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  • richardmitnick 11:14 pm on February 6, 2023 Permalink | Reply
    Tags: "Magma observed taking an unexpected route beneath volcanoes", , , , Imperial College London (UK),   

    From Imperial College London (UK) : “Magma observed taking an unexpected route beneath volcanoes” 

    From Imperial College London (UK)

    2.6.23
    Caroline Brogan

    Imperial researchers have observed magma taking an unexpected route beneath volcanoes, shedding light on the processes behind eruptions.

    The findings [Science Advances (below)] were based on data from a tectonic plate boundary in the Eastern Caribbean region. The results help us understand what drives the type and rate of volcanic eruptions, as well as the make-up of erupted magma. They could also help us understand why some volcanoes are more active than others, and why volcanic activity changes over time.

    1
    Fig. 1. Seismotectonic context of the Lesser Antilles arc, with S-wave ray-path coverage and path-averaged t*S results.
    The red box on the inset map shows the extent of the main map. Island names are labeled in italic; tectonic features are in bold. Ray-paths in the map (top) and cross-sectional view (bottom) are traced in a three-dimensional (3D) velocity model (42), with ray-path colors showing the path-averaged attenuation operator (t*pathave). Orange paths have strong attenuation; green paths have weak attenuation. The orientation of the 2D model spanning the northern LAA shown in Fig. 2 is given by the red dashed line labeled X-X′. On the cross-sectional view, representative 8-s-long S waveforms on thetransverse component are given for back-arc ray-paths (orange) and a fore-arc path (green) from the same intraslab earthquake at 180 km in depth (details in fig. S1).

    When two huge tectonic plates collide, one plate can sink, or subduct, beneath the other, plunging into Earth’s mantle to release water and melt. As the plates rub together and the melted material rises to form magma, these subduction zones are responsible for some of Earth’s most hazardous earthquakes and explosive volcanic eruptions.

    However, it remains poorly understood how magma forms underground and what controls the exact position of volcanoes on top of the overlying plate.

    Now, a new study published in Science Advances [below] shows how rising magma, which eventually erupts, does not always take the shortest, most direct path available to reach volcanoes at the surface.

    Lead author Dr Stephen Hicks, who undertook the work at Imperial’s Department of Earth Science and Engineering and now works at UCL, said: “Scientific views in this much-debated subject have traditionally fallen into two tribes. Some believe the subducting plate mostly controls where the volcanoes are, and some think the overlying plate plays the biggest role. But in our study, we show that the interplay of these two driving forces over hundreds of millions of years is key to controlling where eruptions occur today.”

    Under pressure

    Subducting oceanic plates act as giant reservoirs, transporting water into the deep Earth. These fluids enter the plate through fractures and faults formed during its birth and where it later bends beneath Earth’s deep ocean trenches. Water gets locked into fractures and bound into minerals within the plate.

    Subducting plates are subjected to high pressures and temperatures as they plunge to between ten and 100 kilometres deep. These extreme conditions cause the locked-in water, and other volatile elements, to be driven off. These fluids, which melt the warm mantle above, are the key ingredient of magma that eventually erupts around arcs of volcanoes at the edges of Earth’s oceans, such as the Pacific Ring of Fire.

    Yet the pathways that fluids and melt take deep within the Earth, from the subducting plate to the volcanic arc, cannot be directly seen nor easily inferred from what is erupted.

    To carry out the study, the researchers used earthquake data to map seismic absorption in 3D, similar to how a CT scan maps the internal structure of our bodies. When seismic energy from earthquakes travels through different materials, the waves either slow down or speed up. Along with these speed changes, the energy of waves also dissipates. Hot and molten rock is particularly attenuating: it zaps energy from seismic waves as they travel through it.

    The team collected seismic data from a subduction zone in the Eastern Caribbean that resulted in the Lesser Antilles’ volcanic islands, by using ocean-bottom seismometers to build an accurate 3D picture of the subsurface.

    Unusually, the study found that the zone of strongest seismic attenuation at depth was offset sideways from beneath the volcanoes. These images led the authors to conclude that once water is expelled from the subducting plate, it is carried further downwards, leading to mantle melting behind the volcanic front. Melt then pools at the base of the overriding plate before it is likely transported back toward the volcanic arc.

    2
    The researchers used earthquake data to map seismic absorption in 3D, similar to how a CT scan maps our bodies.

    Study co-author Professor Saskia Goes, also of the Department of Earth Science and Engineering at Imperial, said: “Our knowledge of fluid and melt pathways has traditionally been focussed on subduction zones around the Pacific. We decided to study the subduction of the Atlantic instead because the oceanic plate there was formed much more slowly, accompanied by more faulting, and it subducts more slowly than in the Pacific. We felt these more extreme conditions would make fluid and melt pathways more imageable using seismic waves.

    “Our findings give us important clues about the processes behind volcanic eruptions, and could help us to better understand where the magma reservoirs below volcanoes get formed and replenished.”

    The published paper results from an international collaboration between scientists from the United Kingdom, the United States, Germany, and Trinidad.

    The study was funded by the Natural Environment Research Council (NERC), part of UKRI – UK Research and Innovation(UK)

    Science Advances
    See the science paper for instructive material with images.

    See the full article here.

    Comments are invited and will be appreciated, especially if the reader finds any errors which I can correct. Use “Reply”.


    five-ways-keep-your-child-safe-school-shootings

    Please help promote STEM in your local schools.

    Stem Education Coalition

    Imperial College London (UK) is a science-based university with an international reputation for excellence in teaching and research. Consistently rated amongst the world’s best universities, Imperial is committed to developing the next generation of researchers, scientists and academics through collaboration across disciplines. Located in the heart of London, Imperial is a multidisciplinary space for education, research, translation and commercialization, harnessing science and innovation to tackle global challenges.

    Imperial College London (legally Imperial College of Science, Technology and Medicine) is a public research university in London. Imperial grew out of Prince Albert’s vision of an area for culture, including the Royal Albert Hall; Imperial Institute; numerous museums and the Royal Colleges that would go on to form the college. In 1907, Imperial College was established by Royal Charter, merging the Royal College of Science; Royal School of Mines; and City and Guilds College. In 1988, the Imperial College School of Medicine was formed by combining with St Mary’s Hospital Medical School. In 2004, Queen Elizabeth II opened the Imperial College Business School.

    The college focuses exclusively on science; technology; medicine; and business. The college’s main campus is located in South Kensington, and it has an innovation campus in White City; a research field station at Silwood Park; and teaching hospitals throughout London. The college was a member of the University of London(UK) from 1908, becoming independent on its centenary in 2007. Imperial has an international community, with more than 59% of students from outside the UK and 140 countries represented on campus. Student, staff, and researcher affiliations include 14 Nobel laureates; 3 Fields Medalists; 2 Breakthrough Prize winners; 1 Turing Award winner; 74 Fellows of the Royal Society; 87 Fellows of the Royal Academy of Engineering; and 85 Fellows of the Academy of Medical Sciences.

    History

    19th century

    The earliest college that led to the formation of Imperial was the Royal College of Chemistry founded in 1845 with the support of Prince Albert and parliament. This was merged in 1853 into what became known as the Royal School of Mines. The medical school has roots in many different schools across London, the oldest of which being Charing Cross Hospital Medical School which can be traced back to 1823 followed by teaching starting at Westminster Hospital in 1834 and St Mary’s Hospital in 1851.

    In 1851 the Great Exhibition was organized as an exhibition of culture and industry by Henry Cole and by Prince Albert- husband of the reigning monarch of the United Kingdom Queen Victoria. An enormously popular and financial success proceeds from the Great Exhibition were designated to develop an area for cultural and scientific advancement in South Kensington. Within the next 6 years the Victoria and Albert Museum and Science Museum had opened joined by new facilities in 1871 for the Royal College of Chemistry and in 1881 for the Royal School of Mines; the opening of the Natural History Museum in 1881; and in 1888 the Imperial Institute.

    In 1881 the Normal School of Science was established in South Kensington under the leadership of Thomas Huxley taking over responsibility for the teaching of the natural sciences and agriculture from the Royal School of Mines. The school was renamed the Royal College of Science by royal consent in 1890. The Central Institution of the City and Guilds of London Institute was opened as a technical education school on Exhibition Road by the Prince of Wales in early 1885.

    20th century

    At the start of the 20th century, there was a concern that Britain was falling behind Germany in scientific and technical education. A departmental committee was set up at the Board of Education in 1904, to look into the future of the Royal College of Science. A report released in 1906 called for the establishment of an institution unifying the Royal College of Science and the Royal School of Mines, as well as – if an agreement could be reached with the City and Guilds of London Institute – their Central Technical College.

    On 8 July 1907 King Edward VII granted a Royal Charter establishing the Imperial College of Science and Technology. This incorporated the Royal School of Mines and the Royal College of Science. It also made provisions for the City and Guilds College to join once conditions regarding its governance were met as well as for Imperial to become a college of The University of London. The college joined the University of London on 22 July 1908 with the City and Guilds College joining in 1910. The main campus of Imperial College was constructed beside the buildings of the Imperial Institute- the new building for the Royal College of Science having opened across from it in 1906 and the foundation stone for the Royal School of Mines building being laid by King Edward VII in July 1909.

    As students at Imperial had to study separately for London degrees in January 1919 students and alumni voted for a petition to make Imperial a university with its own degree awarding powers independent of the University of London. In response the University of London changed its regulations in 1925 so that the courses taught only at Imperial would be examined by the university enabling students to gain a BSc.

    In October 1945 King George VI and Queen Elizabeth visited Imperial to commemorate the centenary of the Royal College of Chemistry which was the oldest of the institutions that united to form Imperial College. “Commemoration Day” named after this visit is held every October as the university’s main graduation ceremony. The college also acquired a biology field station at Silwood Park near Ascot, Berkshire in 1947.

    Following the Second World War, there was again concern that Britain was falling behind in science – this time to the United States. The Percy Report of 1945 and Barlow Committee in 1946 called for a “British MIT”-equivalent backed by influential scientists as politicians of the time including Lord Cherwell; Sir Lawrence Bragg; and Sir Edward Appleton. The University Grants Committee strongly opposed however. So, a compromise was reached in 1953 where Imperial would remain within the university but double in size over the next ten years. The expansion led to a number of new buildings being erected. These included the Hill building in 1957 and the Physics building in 1960 and the completion of the East Quadrangle built in four stages between 1959 and 1965. The building work also meant the demolition of the City and Guilds College building in 1962–63 and the Imperial Institute’s building by 1967. Opposition from the Royal Fine Arts Commission and others meant that Queen’s Tower was retained with work carried out between 1966 and 1968 to make it free standing. New laboratories for biochemistry established with the support of a £350,000 grant from the Wolfson Foundation were opened by the Queen in 1965.

    In 1988 Imperial merged with St Mary’s Hospital Medical School under the Imperial College Act 1988. Amendments to the royal charter changed the formal name of the institution to The Imperial College of Science Technology and Medicine and made St Mary’s a constituent college. This was followed by mergers with the National Heart and Lung Institute in 1995 and the Charing Cross and Westminster Medical School; Royal Postgraduate Medical School; and the Institute of Obstetrics and Gynecology in 1997 with the Imperial College Act 1997 formally establishing the Imperial College School of Medicine.

    21st century

    In 2003, Imperial was granted degree-awarding powers in its own right by the Privy Council. In 2004, the Imperial College Business School and a new main entrance on Exhibition Road were opened by Queen Elizabeth II. The UK Energy Research Centre was also established in 2004 and opened its headquarters at Imperial. On 9 December 2005, Imperial announced that it would commence negotiations to secede from the University of London. Imperial became fully independent of the University of London in July 2007.

    In April 2011 Imperial and King’s College London joined the UK Centre for Medical Research and Innovation as partners with a commitment of £40 million each to the project. The centre was later renamed The Francis Crick Institute (UK) and opened on 9 November 2016. It is the largest single biomedical laboratory in Europe. The college began moving into the new White City campus in 2016 with the launching of the Innovation Hub. This was followed by the opening of the Molecular Sciences Research Hub for the Department of Chemistry officially opened by Mayor of London- Sadiq Khan in 2019. The White City campus also includes another biomedical centre funded by a £40 million donation by alumnus Sir Michael Uren.

    Research

    Imperial submitted a total of 1,257 staff across 14 units of assessment to the 2014 Research Excellence Framework (REF) assessment. This found that 91% of Imperial’s research is “world-leading” (46% achieved the highest possible 4* score) or “internationally excellent” (44% achieved 3*) giving an overall GPA of 3.36. In rankings produced by Times Higher Education based upon the REF results Imperial was ranked 2nd overall. Imperial is also widely known to have been a critical contributor of the discovery of penicillin; the invention of fiber optics; and the development of holography. The college promotes research commercialization partly through its dedicated technology transfer company- Imperial Innovations- which has given rise to a large number of spin-out companies based on academic research. Imperial College has a long-term partnership with the Massachusetts Institute of Technology that dates back from World War II. The United States is the college’s top collaborating foreign country with more than 15,000 articles co-authored by Imperial and U.S.-based authors over the last 10 years.

    In January 2018 the mathematics department of Imperial and the CNRS-The National Center for Scientific Research[Centre national de la recherche scientifique](FR) launched UMI Abraham de Moivre at Imperial- a joint research laboratory of mathematics focused on unsolved problems and bridging British and French scientific communities. The Fields medallists Cédric Villani and Martin Hairer hosted the launch presentation. The CNRS-Imperial partnership started a joint PhD program in mathematics and further expanded in June 2020 to include other departments. In October 2018, Imperial College launched the Imperial Cancer Research UK Center- a research collaboration that aims to find innovative ways to improve the precision of cancer treatments inaugurated by former Vice President of the United States Joe Biden as part of his Biden Cancer Initiative.

    Imperial was one of the ten leading contributors to the National Aeronautics and Space Administration InSight Mars lander which landed on planet Mars in November 2018, with the college logo appearing on the craft. InSight’s Seismic Experiment for Interior Structure, developed at Imperial, measured the first likely marsquake reading in April 2019. In 2019 it was revealed that the Blackett Laboratory would be constructing an instrument for the European Space (EU) Solar Orbiter in a mission to study the Sun, which launched in February 2020. The laboratory is also designing part of the DUNE/LBNF Deep Underground Neutrino Experiment.

    In early 2020 immunology research at the Faculty of Medicine focused on SARS-CoV-2 under the leadership of Professor Robin Shattock as part of the college’s COVID-19 Response Team including the search of a cheap vaccine which started human trials on 15 June 2020. Professor Neil Ferguson’s 16 March report entitled Impact of non-pharmaceutical interventions (NPIs) to reduce COVID- 19 mortality and healthcare demand was described in a 17 March The New York Times article as the coronavirus “report that jarred the U.S. and the U.K. to action”. Since 18 May 2020 Imperial College’s Dr. Samir Bhatt has been advising the state of New York for its reopening plan. Governor of New York Andrew Cuomo said that “the Imperial College model- as we’ve been following this for weeks- was the best most accurate model.” The hospitals from the Imperial College Healthcare NHS Trust which have been caring for COVID-19 infected patients partnered with Microsoft to use their HoloLens when treating those patients reducing the amount of time spent by staff in high-risk areas by up to 83% as well as saving up to 700 items of PPE per ward, per week.

     
  • richardmitnick 12:19 pm on January 28, 2023 Permalink | Reply
    Tags: "Meteorites reveal likely origin of Earth’s volatile chemicals", "Volatiles" are elements or compounds that change from solid or liquid state into vapour at relatively low temperatures., , , , , , , Imperial College London (UK), Prior to this finding researchers thought that most of Earth’s volatiles came from asteroids that formed closer to the Earth.   

    From Imperial College London (UK) : “Meteorites reveal likely origin of Earth’s volatile chemicals” 

    From Imperial College London (UK)

    1.27.23
    Caroline Brogan

    1
    Zn isotope anomalies for each meteorite group and the BSE, in ε i Zn notation. Data are plotted for different groups of meteorites and the BSE, see the legend. Carbonaceous chondrites (CI, CM, CV, CO chondrites) and non-carbonaceous group meteorites [ECs, including two EHs (high iron), OCs, including H (high iron), L (low iron), and LL (low iron, low metal) chondrites, and IAB complex irons] have complimentary patterns with CCs enriched in 68 Zn and 70 Zn and depleted in 64 Zn. relative to the BSE which has εi Zn = 0. NCs have the opposite pattern, with depletions in 68 Zn and 70 Zn and enrichments in 64 Zn. There is no data for ε 66 Zn and ε 67 Zn because these isotopes are used for internal normalization. The meteorite and BSE data are listed in Table S2; error bars indicate ±2se. Credit: Imperial College London.

    Meteorites have told Imperial researchers the likely far-flung origin of Earth’s volatile chemicals, some of which form the building blocks of life.

    They found that around half the Earth’s inventory of the volatile element zinc came from asteroids originating in the outer Solar System – the part beyond the asteroid belt that includes the planets Jupiter, Saturn, and Uranus. This material is also expected to have supplied other important volatiles such as water.

    “Volatiles” are elements or compounds that change from solid or liquid state into vapour at relatively low temperatures. They include the six most common elements found in living organisms, as well as water. As such, the addition of this material will have been important for the emergence of life on Earth.

    Prior to this finding researchers thought that most of Earth’s volatiles came from asteroids that formed closer to the Earth. The findings reveal important clues about how Earth came to harbour the special conditions needed to sustain life.

    Senior author Professor Mark Rehkämper, of Imperial College London’s Department of Earth Science and Engineering, said: “Our data show that about half of Earth’s zinc inventory was delivered by material from the outer Solar System, beyond the orbit of Jupiter. Based on current models of early Solar System development, this was completely unexpected.”

    Previous research suggested that the Earth formed almost exclusively from inner Solar System material, which researchers inferred was the predominant source of Earth’s volatile chemicals. In contrast, the new findings suggest the outer Solar System played a bigger role than previously thought.

    Professor Rehkämper added: “This contribution of outer Solar System material played a vital role in establishing the Earth’s inventory of volatile chemicals. It looks as though without the contribution of outer Solar System material, the Earth would have a much lower amount of volatiles than we know it today – making it drier and potentially unable to nourish and sustain life.”

    The findings are published in Science [below].

    To carry out the study, the researchers examined 18 meteorites of varying origins – eleven from the inner Solar System, known as non-carbonaceous meteorites, and seven from the outer Solar System, known as carbonaceous meteorites.

    For each meteorite they measured the relative abundances of the five different forms – or isotopes – of zinc. They then compared each isotopic fingerprint with Earth samples to estimate how much each of these materials contributed to the Earth’s zinc inventory. The results suggest that while the Earth only incorporated about ten per cent of its mass from carbonaceous bodies, this material supplied about half of Earth’s zinc.

    The researchers say that material with a high concentration of zinc and other volatile constituents is also likely to be relatively abundant in water, giving clues about the origin of Earth’s water.

    First author on the paper Rayssa Martins, PhD candidate at the Department of Earth Science and Engineering, said: “We’ve long known that some carbonaceous material was added to the Earth, but our findings suggest that this material played a key role in establishing our budget of volatile elements, some of which are essential for life to flourish.”

    Next the researchers will analyze rocks from Mars, which harboured water 4.1 to 3 billion years ago before drying up, and the Moon. Professor Rehkämper said: “The widely held theory is that the Moon formed when a huge asteroid smashed into an embryonic Earth about 4.5 billion years ago. Analyzing zinc isotopes in moon rocks will help us to test this hypothesis and determine whether the colliding asteroid played an important part in delivering volatiles, including water, to the Earth.”

    This work was funded by the Science and Technology Facilities Council (STFC – part of UKRI) and Rayssa Martins is funded by an Imperial College London Presidents’ PhD Scholarship.

    Science

    See the full article here.

    Comments are invited and will be appreciated, especially if the reader finds any errors which I can correct. Use “Reply”.


    five-ways-keep-your-child-safe-school-shootings

    Please help promote STEM in your local schools.

    Stem Education Coalition

    Imperial College London (UK) is a science-based university with an international reputation for excellence in teaching and research. Consistently rated amongst the world’s best universities, Imperial is committed to developing the next generation of researchers, scientists and academics through collaboration across disciplines. Located in the heart of London, Imperial is a multidisciplinary space for education, research, translation and commercialization, harnessing science and innovation to tackle global challenges.

    Imperial College London (legally Imperial College of Science, Technology and Medicine) is a public research university in London. Imperial grew out of Prince Albert’s vision of an area for culture, including the Royal Albert Hall; Imperial Institute; numerous museums and the Royal Colleges that would go on to form the college. In 1907, Imperial College was established by Royal Charter, merging the Royal College of Science; Royal School of Mines; and City and Guilds College. In 1988, the Imperial College School of Medicine was formed by combining with St Mary’s Hospital Medical School. In 2004, Queen Elizabeth II opened the Imperial College Business School.

    The college focuses exclusively on science; technology; medicine; and business. The college’s main campus is located in South Kensington, and it has an innovation campus in White City; a research field station at Silwood Park; and teaching hospitals throughout London. The college was a member of the University of London(UK) from 1908, becoming independent on its centenary in 2007. Imperial has an international community, with more than 59% of students from outside the UK and 140 countries represented on campus. Student, staff, and researcher affiliations include 14 Nobel laureates; 3 Fields Medalists; 2 Breakthrough Prize winners; 1 Turing Award winner; 74 Fellows of the Royal Society; 87 Fellows of the Royal Academy of Engineering; and 85 Fellows of the Academy of Medical Sciences.

    History

    19th century

    The earliest college that led to the formation of Imperial was the Royal College of Chemistry founded in 1845 with the support of Prince Albert and parliament. This was merged in 1853 into what became known as the Royal School of Mines. The medical school has roots in many different schools across London, the oldest of which being Charing Cross Hospital Medical School which can be traced back to 1823 followed by teaching starting at Westminster Hospital in 1834 and St Mary’s Hospital in 1851.

    In 1851 the Great Exhibition was organized as an exhibition of culture and industry by Henry Cole and by Prince Albert- husband of the reigning monarch of the United Kingdom Queen Victoria. An enormously popular and financial success proceeds from the Great Exhibition were designated to develop an area for cultural and scientific advancement in South Kensington. Within the next 6 years the Victoria and Albert Museum and Science Museum had opened joined by new facilities in 1871 for the Royal College of Chemistry and in 1881 for the Royal School of Mines; the opening of the Natural History Museum in 1881; and in 1888 the Imperial Institute.

    In 1881 the Normal School of Science was established in South Kensington under the leadership of Thomas Huxley taking over responsibility for the teaching of the natural sciences and agriculture from the Royal School of Mines. The school was renamed the Royal College of Science by royal consent in 1890. The Central Institution of the City and Guilds of London Institute was opened as a technical education school on Exhibition Road by the Prince of Wales in early 1885.

    20th century

    At the start of the 20th century, there was a concern that Britain was falling behind Germany in scientific and technical education. A departmental committee was set up at the Board of Education in 1904, to look into the future of the Royal College of Science. A report released in 1906 called for the establishment of an institution unifying the Royal College of Science and the Royal School of Mines, as well as – if an agreement could be reached with the City and Guilds of London Institute – their Central Technical College.

    On 8 July 1907 King Edward VII granted a Royal Charter establishing the Imperial College of Science and Technology. This incorporated the Royal School of Mines and the Royal College of Science. It also made provisions for the City and Guilds College to join once conditions regarding its governance were met as well as for Imperial to become a college of The University of London. The college joined the University of London on 22 July 1908 with the City and Guilds College joining in 1910. The main campus of Imperial College was constructed beside the buildings of the Imperial Institute- the new building for the Royal College of Science having opened across from it in 1906 and the foundation stone for the Royal School of Mines building being laid by King Edward VII in July 1909.

    As students at Imperial had to study separately for London degrees in January 1919 students and alumni voted for a petition to make Imperial a university with its own degree awarding powers independent of the University of London. In response the University of London changed its regulations in 1925 so that the courses taught only at Imperial would be examined by the university enabling students to gain a BSc.

    In October 1945 King George VI and Queen Elizabeth visited Imperial to commemorate the centenary of the Royal College of Chemistry which was the oldest of the institutions that united to form Imperial College. “Commemoration Day” named after this visit is held every October as the university’s main graduation ceremony. The college also acquired a biology field station at Silwood Park near Ascot, Berkshire in 1947.

    Following the Second World War, there was again concern that Britain was falling behind in science – this time to the United States. The Percy Report of 1945 and Barlow Committee in 1946 called for a “British MIT”-equivalent backed by influential scientists as politicians of the time including Lord Cherwell; Sir Lawrence Bragg; and Sir Edward Appleton. The University Grants Committee strongly opposed however. So, a compromise was reached in 1953 where Imperial would remain within the university but double in size over the next ten years. The expansion led to a number of new buildings being erected. These included the Hill building in 1957 and the Physics building in 1960 and the completion of the East Quadrangle built in four stages between 1959 and 1965. The building work also meant the demolition of the City and Guilds College building in 1962–63 and the Imperial Institute’s building by 1967. Opposition from the Royal Fine Arts Commission and others meant that Queen’s Tower was retained with work carried out between 1966 and 1968 to make it free standing. New laboratories for biochemistry established with the support of a £350,000 grant from the Wolfson Foundation were opened by the Queen in 1965.

    In 1988 Imperial merged with St Mary’s Hospital Medical School under the Imperial College Act 1988. Amendments to the royal charter changed the formal name of the institution to The Imperial College of Science Technology and Medicine and made St Mary’s a constituent college. This was followed by mergers with the National Heart and Lung Institute in 1995 and the Charing Cross and Westminster Medical School; Royal Postgraduate Medical School; and the Institute of Obstetrics and Gynecology in 1997 with the Imperial College Act 1997 formally establishing the Imperial College School of Medicine.

    21st century

    In 2003, Imperial was granted degree-awarding powers in its own right by the Privy Council. In 2004, the Imperial College Business School and a new main entrance on Exhibition Road were opened by Queen Elizabeth II. The UK Energy Research Centre was also established in 2004 and opened its headquarters at Imperial. On 9 December 2005, Imperial announced that it would commence negotiations to secede from the University of London. Imperial became fully independent of the University of London in July 2007.

    In April 2011 Imperial and King’s College London joined the UK Centre for Medical Research and Innovation as partners with a commitment of £40 million each to the project. The centre was later renamed The Francis Crick Institute (UK) and opened on 9 November 2016. It is the largest single biomedical laboratory in Europe. The college began moving into the new White City campus in 2016 with the launching of the Innovation Hub. This was followed by the opening of the Molecular Sciences Research Hub for the Department of Chemistry officially opened by Mayor of London- Sadiq Khan in 2019. The White City campus also includes another biomedical centre funded by a £40 million donation by alumnus Sir Michael Uren.

    Research

    Imperial submitted a total of 1,257 staff across 14 units of assessment to the 2014 Research Excellence Framework (REF) assessment. This found that 91% of Imperial’s research is “world-leading” (46% achieved the highest possible 4* score) or “internationally excellent” (44% achieved 3*) giving an overall GPA of 3.36. In rankings produced by Times Higher Education based upon the REF results Imperial was ranked 2nd overall. Imperial is also widely known to have been a critical contributor of the discovery of penicillin; the invention of fiber optics; and the development of holography. The college promotes research commercialization partly through its dedicated technology transfer company- Imperial Innovations- which has given rise to a large number of spin-out companies based on academic research. Imperial College has a long-term partnership with the Massachusetts Institute of Technology that dates back from World War II. The United States is the college’s top collaborating foreign country with more than 15,000 articles co-authored by Imperial and U.S.-based authors over the last 10 years.

    In January 2018 the mathematics department of Imperial and the CNRS-The National Center for Scientific Research[Centre national de la recherche scientifique](FR) launched UMI Abraham de Moivre at Imperial- a joint research laboratory of mathematics focused on unsolved problems and bridging British and French scientific communities. The Fields medallists Cédric Villani and Martin Hairer hosted the launch presentation. The CNRS-Imperial partnership started a joint PhD program in mathematics and further expanded in June 2020 to include other departments. In October 2018, Imperial College launched the Imperial Cancer Research UK Center- a research collaboration that aims to find innovative ways to improve the precision of cancer treatments inaugurated by former Vice President of the United States Joe Biden as part of his Biden Cancer Initiative.

    Imperial was one of the ten leading contributors to the National Aeronautics and Space Administration InSight Mars lander which landed on planet Mars in November 2018, with the college logo appearing on the craft. InSight’s Seismic Experiment for Interior Structure, developed at Imperial, measured the first likely marsquake reading in April 2019. In 2019 it was revealed that the Blackett Laboratory would be constructing an instrument for the European Space (EU) Solar Orbiter in a mission to study the Sun, which launched in February 2020. The laboratory is also designing part of the DUNE/LBNF Deep Underground Neutrino Experiment.

    In early 2020 immunology research at the Faculty of Medicine focused on SARS-CoV-2 under the leadership of Professor Robin Shattock as part of the college’s COVID-19 Response Team including the search of a cheap vaccine which started human trials on 15 June 2020. Professor Neil Ferguson’s 16 March report entitled Impact of non-pharmaceutical interventions (NPIs) to reduce COVID- 19 mortality and healthcare demand was described in a 17 March The New York Times article as the coronavirus “report that jarred the U.S. and the U.K. to action”. Since 18 May 2020 Imperial College’s Dr. Samir Bhatt has been advising the state of New York for its reopening plan. Governor of New York Andrew Cuomo said that “the Imperial College model- as we’ve been following this for weeks- was the best most accurate model.” The hospitals from the Imperial College Healthcare NHS Trust which have been caring for COVID-19 infected patients partnered with Microsoft to use their HoloLens when treating those patients reducing the amount of time spent by staff in high-risk areas by up to 83% as well as saving up to 700 items of PPE per ward, per week.

     
  • richardmitnick 10:20 am on January 11, 2023 Permalink | Reply
    Tags: "Forests recovering from logging act as a source of carbon", , , , , Forests recovering from logging are sources of carbon for years afterward., Imperial College London (UK), The carbon released by soil and rotting wood outpaces the carbon absorbed by new growth., The team found that moderately and heavily logged tropical forest areas are a carbon source., The team found that unlogged forested areas are generally carbon neutral., The team has set up a 52-meter-tall tower above the forest canopy to continuously measure the "flux" of carbon into and out of the forest to see whether it was a net source or sink of carbon.   

    From Imperial College London (UK) Via “phys.org” : “Forests recovering from logging act as a source of carbon” 

    From Imperial College London (UK)

    Via

    “phys.org”

    1.9.23

    1
    Logging extraction in the Bornean rainforest. Credit: Zoe G Davies.

    A new study finds that tropical forests recovering from logging are sources of carbon for years afterward, contrary to previous assumptions.

    Tropical forests that are recovering from having trees removed were thought to be carbon absorbers, as the new trees grow quickly. A new study, led by Imperial College London researchers, turns this idea on its head, showing that the carbon released by soil and rotting wood outpaces the carbon absorbed by new growth.

    The researchers say the result highlights the need for logging practices that minimize collateral damage to improve the sustainability of the industry. The study, which monitored carbon in forests in Malaysian Borneo as part of the Stability of Altered Forest Ecosystem (SAFE) Project, is published today in PNAS [below].

    First author Maria Mills, who began the work at Imperial and completed it at the University of Leicester, said, “Our results show that for the tropical forest we studied, logged areas are a source of carbon even a decade after logging has occurred. This means we need to reassess their role in global carbon budgets—we can no longer apply the blanket assumption that they are carbon sinks.”

    Lead researcher Dr. Terhi Riutta, now at the University of Exeter, said, “A lot of the carbon released in recovering forests is from collateral damage—trees that have died as a result of damage during the logging operations left to rot, and from disturbed soil. Logged forests still have value—we know they have a unique biodiversity—so making sure they are also not releasing extra carbon through better logging practices will boost their sustainability.”

    2
    Eddy covariance flux tower over a heavily logged tropical forest landscape within the Stability of Altered Forest Ecosystem (SAFE) Project (this is the tower used within this study). Credit: Maria Mills.

    Many previous studies of recovering forests have focused on measuring tree growth to estimate the amount of carbon taken from the atmosphere. The new study also measured how much carbon was coming from the ground (soil and dead wood) to calculate the carbon budget from the incoming and outgoing carbon flows for logged and unlogged (old-growth) forest.

    Logged forest plots in the study had experienced logging at different stages over the prior few decades. The measurements were taken between 2011 and 2017.

    To measure the carbon released from the ground, researchers used a portable carbon dioxide monitor to test patches of ground and pieces of deadwood in several plots monthly for several years. The team had also set up a 52-meter-tall tower above the forest canopy to continuously measure the “flux” of carbon into and out of the forest to see whether it was a net source or sink of carbon.

    They found that unlogged forested areas are generally carbon neutral, but that moderately and heavily logged tropical forest areas are a carbon source. They estimate an average carbon source of 1.75 +/- 0.94 metric tons of carbon per hectare within moderately logged plots and 5.23 +/- 1.23 metric tons of carbon per hectare in severely degraded plots, with emissions continuing at these rates for at least one decade after logging.

    Co-author Professor Rob Ewers, from the Department of Life Sciences at Imperial, said, “The measurements from the tower show us whether the forest area is a source or a sink of carbon, and the soil monitoring tells us why this is. From these measurements, we know logged forests are still a source of carbon up to a decade after they have been logged, and that this primarily comes from organic matter in the soil or from rotting wood.”

    The team say carbon monitoring should be conducted in other forests in different regions to build a more accurate picture of how logged forests contribute to global carbon budgets.

    Science paper:
    PNAS
    See the science paper for instructive material with images.

    See the full article here.

    Comments are invited and will be appreciated, especially if the reader finds any errors which I can correct. Use “Reply”.


    five-ways-keep-your-child-safe-school-shootings

    Please help promote STEM in your local schools.

    Stem Education Coalition

    Imperial College London (UK) is a science-based university with an international reputation for excellence in teaching and research. Consistently rated amongst the world’s best universities, Imperial is committed to developing the next generation of researchers, scientists and academics through collaboration across disciplines. Located in the heart of London, Imperial is a multidisciplinary space for education, research, translation and commercialization, harnessing science and innovation to tackle global challenges.

    Imperial College London (legally Imperial College of Science, Technology and Medicine) is a public research university in London. Imperial grew out of Prince Albert’s vision of an area for culture, including the Royal Albert Hall; Imperial Institute; numerous museums and the Royal Colleges that would go on to form the college. In 1907, Imperial College was established by Royal Charter, merging the Royal College of Science; Royal School of Mines; and City and Guilds College. In 1988, the Imperial College School of Medicine was formed by combining with St Mary’s Hospital Medical School. In 2004, Queen Elizabeth II opened the Imperial College Business School.

    The college focuses exclusively on science; technology; medicine; and business. The college’s main campus is located in South Kensington, and it has an innovation campus in White City; a research field station at Silwood Park; and teaching hospitals throughout London. The college was a member of the University of London(UK) from 1908, becoming independent on its centenary in 2007. Imperial has an international community, with more than 59% of students from outside the UK and 140 countries represented on campus. Student, staff, and researcher affiliations include 14 Nobel laureates; 3 Fields Medalists; 2 Breakthrough Prize winners; 1 Turing Award winner; 74 Fellows of the Royal Society; 87 Fellows of the Royal Academy of Engineering; and 85 Fellows of the Academy of Medical Sciences.

    History

    19th century

    The earliest college that led to the formation of Imperial was the Royal College of Chemistry founded in 1845 with the support of Prince Albert and parliament. This was merged in 1853 into what became known as the Royal School of Mines. The medical school has roots in many different schools across London, the oldest of which being Charing Cross Hospital Medical School which can be traced back to 1823 followed by teaching starting at Westminster Hospital in 1834 and St Mary’s Hospital in 1851.

    In 1851 the Great Exhibition was organized as an exhibition of culture and industry by Henry Cole and by Prince Albert- husband of the reigning monarch of the United Kingdom Queen Victoria. An enormously popular and financial success proceeds from the Great Exhibition were designated to develop an area for cultural and scientific advancement in South Kensington. Within the next 6 years the Victoria and Albert Museum and Science Museum had opened joined by new facilities in 1871 for the Royal College of Chemistry and in 1881 for the Royal School of Mines; the opening of the Natural History Museum in 1881; and in 1888 the Imperial Institute.

    In 1881 the Normal School of Science was established in South Kensington under the leadership of Thomas Huxley taking over responsibility for the teaching of the natural sciences and agriculture from the Royal School of Mines. The school was renamed the Royal College of Science by royal consent in 1890. The Central Institution of the City and Guilds of London Institute was opened as a technical education school on Exhibition Road by the Prince of Wales in early 1885.

    20th century

    At the start of the 20th century, there was a concern that Britain was falling behind Germany in scientific and technical education. A departmental committee was set up at the Board of Education in 1904, to look into the future of the Royal College of Science. A report released in 1906 called for the establishment of an institution unifying the Royal College of Science and the Royal School of Mines, as well as – if an agreement could be reached with the City and Guilds of London Institute – their Central Technical College.

    On 8 July 1907 King Edward VII granted a Royal Charter establishing the Imperial College of Science and Technology. This incorporated the Royal School of Mines and the Royal College of Science. It also made provisions for the City and Guilds College to join once conditions regarding its governance were met as well as for Imperial to become a college of The University of London. The college joined the University of London on 22 July 1908 with the City and Guilds College joining in 1910. The main campus of Imperial College was constructed beside the buildings of the Imperial Institute- the new building for the Royal College of Science having opened across from it in 1906 and the foundation stone for the Royal School of Mines building being laid by King Edward VII in July 1909.

    As students at Imperial had to study separately for London degrees in January 1919 students and alumni voted for a petition to make Imperial a university with its own degree awarding powers independent of the University of London. In response the University of London changed its regulations in 1925 so that the courses taught only at Imperial would be examined by the university enabling students to gain a BSc.

    In October 1945 King George VI and Queen Elizabeth visited Imperial to commemorate the centenary of the Royal College of Chemistry which was the oldest of the institutions that united to form Imperial College. “Commemoration Day” named after this visit is held every October as the university’s main graduation ceremony. The college also acquired a biology field station at Silwood Park near Ascot, Berkshire in 1947.

    Following the Second World War, there was again concern that Britain was falling behind in science – this time to the United States. The Percy Report of 1945 and Barlow Committee in 1946 called for a “British MIT”-equivalent backed by influential scientists as politicians of the time including Lord Cherwell; Sir Lawrence Bragg; and Sir Edward Appleton. The University Grants Committee strongly opposed however. So, a compromise was reached in 1953 where Imperial would remain within the university but double in size over the next ten years. The expansion led to a number of new buildings being erected. These included the Hill building in 1957 and the Physics building in 1960 and the completion of the East Quadrangle built in four stages between 1959 and 1965. The building work also meant the demolition of the City and Guilds College building in 1962–63 and the Imperial Institute’s building by 1967. Opposition from the Royal Fine Arts Commission and others meant that Queen’s Tower was retained with work carried out between 1966 and 1968 to make it free standing. New laboratories for biochemistry established with the support of a £350,000 grant from the Wolfson Foundation were opened by the Queen in 1965.

    In 1988 Imperial merged with St Mary’s Hospital Medical School under the Imperial College Act 1988. Amendments to the royal charter changed the formal name of the institution to The Imperial College of Science Technology and Medicine and made St Mary’s a constituent college. This was followed by mergers with the National Heart and Lung Institute in 1995 and the Charing Cross and Westminster Medical School; Royal Postgraduate Medical School; and the Institute of Obstetrics and Gynecology in 1997 with the Imperial College Act 1997 formally establishing the Imperial College School of Medicine.

    21st century

    In 2003, Imperial was granted degree-awarding powers in its own right by the Privy Council. In 2004, the Imperial College Business School and a new main entrance on Exhibition Road were opened by Queen Elizabeth II. The UK Energy Research Centre was also established in 2004 and opened its headquarters at Imperial. On 9 December 2005, Imperial announced that it would commence negotiations to secede from the University of London. Imperial became fully independent of the University of London in July 2007.

    In April 2011 Imperial and King’s College London joined the UK Centre for Medical Research and Innovation as partners with a commitment of £40 million each to the project. The centre was later renamed The Francis Crick Institute (UK) and opened on 9 November 2016. It is the largest single biomedical laboratory in Europe. The college began moving into the new White City campus in 2016 with the launching of the Innovation Hub. This was followed by the opening of the Molecular Sciences Research Hub for the Department of Chemistry officially opened by Mayor of London- Sadiq Khan in 2019. The White City campus also includes another biomedical centre funded by a £40 million donation by alumnus Sir Michael Uren.

    Research

    Imperial submitted a total of 1,257 staff across 14 units of assessment to the 2014 Research Excellence Framework (REF) assessment. This found that 91% of Imperial’s research is “world-leading” (46% achieved the highest possible 4* score) or “internationally excellent” (44% achieved 3*) giving an overall GPA of 3.36. In rankings produced by Times Higher Education based upon the REF results Imperial was ranked 2nd overall. Imperial is also widely known to have been a critical contributor of the discovery of penicillin; the invention of fiber optics; and the development of holography. The college promotes research commercialization partly through its dedicated technology transfer company- Imperial Innovations- which has given rise to a large number of spin-out companies based on academic research. Imperial College has a long-term partnership with the Massachusetts Institute of Technology that dates back from World War II. The United States is the college’s top collaborating foreign country with more than 15,000 articles co-authored by Imperial and U.S.-based authors over the last 10 years.

    In January 2018 the mathematics department of Imperial and the CNRS-The National Center for Scientific Research[Centre national de la recherche scientifique](FR) launched UMI Abraham de Moivre at Imperial- a joint research laboratory of mathematics focused on unsolved problems and bridging British and French scientific communities. The Fields medallists Cédric Villani and Martin Hairer hosted the launch presentation. The CNRS-Imperial partnership started a joint PhD program in mathematics and further expanded in June 2020 to include other departments. In October 2018, Imperial College launched the Imperial Cancer Research UK Center- a research collaboration that aims to find innovative ways to improve the precision of cancer treatments inaugurated by former Vice President of the United States Joe Biden as part of his Biden Cancer Initiative.

    Imperial was one of the ten leading contributors to the National Aeronautics and Space Administration InSight Mars lander which landed on planet Mars in November 2018, with the college logo appearing on the craft. InSight’s Seismic Experiment for Interior Structure, developed at Imperial, measured the first likely marsquake reading in April 2019. In 2019 it was revealed that the Blackett Laboratory would be constructing an instrument for the European Space (EU) Solar Orbiter in a mission to study the Sun, which launched in February 2020. The laboratory is also designing part of the DUNE/LBNF Deep Underground Neutrino Experiment.

    In early 2020 immunology research at the Faculty of Medicine focused on SARS-CoV-2 under the leadership of Professor Robin Shattock as part of the college’s COVID-19 Response Team including the search of a cheap vaccine which started human trials on 15 June 2020. Professor Neil Ferguson’s 16 March report entitled Impact of non-pharmaceutical interventions (NPIs) to reduce COVID- 19 mortality and healthcare demand was described in a 17 March The New York Times article as the coronavirus “report that jarred the U.S. and the U.K. to action”. Since 18 May 2020 Imperial College’s Dr. Samir Bhatt has been advising the state of New York for its reopening plan. Governor of New York Andrew Cuomo said that “the Imperial College model- as we’ve been following this for weeks- was the best most accurate model.” The hospitals from the Imperial College Healthcare NHS Trust which have been caring for COVID-19 infected patients partnered with Microsoft to use their HoloLens when treating those patients reducing the amount of time spent by staff in high-risk areas by up to 83% as well as saving up to 700 items of PPE per ward, per week.

     
  • richardmitnick 9:07 pm on November 9, 2022 Permalink | Reply
    Tags: "Spiderweb-like lasers can emit light in controlled colours", , Imperial College London (UK), , , Network lasers are made from a mesh of nanoscale optical fibres that are fused together to form a web-like network., , The system could be used in new sensing and computing applications.   

    From Imperial College London (UK) : “Spiderweb-like lasers can emit light in controlled colours” 

    From Imperial College London (UK)

    11.9.22
    Hayley Dunning

    1

    Researchers have created a laser system based on a network like a spider’s web, which can be precisely controlled to produce different light colours.

    The system, invented by a team led by researchers at Imperial College London with partners in Italy and Switzerland, could be used in new sensing and computing applications. The team are already collaborating with research and industrial partners across Europe to explore applications in machine learning.

    In traditional lasers, light bounces between two mirrors in a material that amplifies the light until it reaches a certain threshold. Laser light is produced in narrow beams that are stable over long distances. However, the light is usually only produced in one frequency, corresponding to a single colour.

    Network lasers work differently and are made from a mesh of nanoscale optical fibres that are fused together to form a web-like network. Light travels along the fibres and interferes in such a way to create hundreds of colours simultaneously. However, the colours are mixed in a complex fashion and emitted at random in all directions.

    Now, in research published in Nature Communications [below], scientists have developed a method to precisely control a network laser so that it only emits a single colour or colour combination at a time. The system works by shining unique ‘illumination patterns’ on the network laser, with each precise pattern inducing a different laser colour, or combination of colours.

    Chip-based applications

    The illumination patterns are created using a digital micromirror device (DMD), which is a computer-controlled device with thousands of mirrors. The DMD is optimised by an algorithm that selects the best pattern for a particular laser colour.

    The team say the new network laser systems could have many applications, particularly as they can be integrated into chips. For example, they could be used as highly secure hardware keys, where the illumination patterns become the secure keys that generate the password in the form of the laser spectrum.

    Because the lasers are also highly sensitive to the correct illumination patterns, the network lasers could be used as sensors that can track even small changes on surrounding surfaces.

    2

    The system is the result of a five-year collaboration between Imperial’s Departments of Physics and Mathematics, spearheaded by postdoctoral researchers Dhruv Saxena and Alexis Arnaudon, one in each Department. The research team produced tools to optimize the illumination patterns based on physical modelling and theory, and demonstrated them in action.

    Maths and physics coming together

    Co-author Professor Riccardo Sapienza, from the Department of Physics at Imperial College London, said: “We have combined the mathematics of network theory with laser science to tame these complex lasers. We believe this will be at the heart of light processing on chips and we are testing it now as a machine learning hardware.”

    Co-author Professor Mauricio Barahona, from the Department of Mathematics at Imperial, said: “This is an example where we saw maths and physics coming together, showing how the properties of a network can affect and help control the lasing process. The next big challenge is to design networks and illumination patterns to control the temporal profile of the laser light and encode information in it.”

    The researchers are part of the EU Horizon 2020 project CORAL (COntrolling network RAndom Lasers on chip), together with IBM Zurich, to drive the emerging field of network lasers towards commercialisation. The research was also funded by the UK EPSRC.

    Science paper:
    Nature Communications
    See the science paper for detailed material with images.

    See the full article here.


    five-ways-keep-your-child-safe-school-shootings

    Please help promote STEM in your local schools.

    Stem Education Coalition

    Imperial College London (UK) is a science-based university with an international reputation for excellence in teaching and research. Consistently rated amongst the world’s best universities, Imperial is committed to developing the next generation of researchers, scientists and academics through collaboration across disciplines. Located in the heart of London, Imperial is a multidisciplinary space for education, research, translation and commercialization, harnessing science and innovation to tackle global challenges.

    Imperial College London (legally Imperial College of Science, Technology and Medicine) is a public research university in London. Imperial grew out of Prince Albert’s vision of an area for culture, including the Royal Albert Hall; Imperial Institute; numerous museums and the Royal Colleges that would go on to form the college. In 1907, Imperial College was established by Royal Charter, merging the Royal College of Science; Royal School of Mines; and City and Guilds College. In 1988, the Imperial College School of Medicine was formed by combining with St Mary’s Hospital Medical School. In 2004, Queen Elizabeth II opened the Imperial College Business School.

    The college focuses exclusively on science; technology; medicine; and business. The college’s main campus is located in South Kensington, and it has an innovation campus in White City; a research field station at Silwood Park; and teaching hospitals throughout London. The college was a member of the University of London(UK) from 1908, becoming independent on its centenary in 2007. Imperial has an international community, with more than 59% of students from outside the UK and 140 countries represented on campus. Student, staff, and researcher affiliations include 14 Nobel laureates; 3 Fields Medalists; 2 Breakthrough Prize winners; 1 Turing Award winner; 74 Fellows of the Royal Society; 87 Fellows of the Royal Academy of Engineering; and 85 Fellows of the Academy of Medical Sciences.

    History

    19th century

    The earliest college that led to the formation of Imperial was the Royal College of Chemistry founded in 1845 with the support of Prince Albert and parliament. This was merged in 1853 into what became known as the Royal School of Mines. The medical school has roots in many different schools across London, the oldest of which being Charing Cross Hospital Medical School which can be traced back to 1823 followed by teaching starting at Westminster Hospital in 1834 and St Mary’s Hospital in 1851.

    In 1851 the Great Exhibition was organized as an exhibition of culture and industry by Henry Cole and by Prince Albert- husband of the reigning monarch of the United Kingdom Queen Victoria. An enormously popular and financial success proceeds from the Great Exhibition were designated to develop an area for cultural and scientific advancement in South Kensington. Within the next 6 years the Victoria and Albert Museum and Science Museum had opened joined by new facilities in 1871 for the Royal College of Chemistry and in 1881 for the Royal School of Mines; the opening of the Natural History Museum in 1881; and in 1888 the Imperial Institute.

    In 1881 the Normal School of Science was established in South Kensington under the leadership of Thomas Huxley taking over responsibility for the teaching of the natural sciences and agriculture from the Royal School of Mines. The school was renamed the Royal College of Science by royal consent in 1890. The Central Institution of the City and Guilds of London Institute was opened as a technical education school on Exhibition Road by the Prince of Wales in early 1885.

    20th century

    At the start of the 20th century, there was a concern that Britain was falling behind Germany in scientific and technical education. A departmental committee was set up at the Board of Education in 1904, to look into the future of the Royal College of Science. A report released in 1906 called for the establishment of an institution unifying the Royal College of Science and the Royal School of Mines, as well as – if an agreement could be reached with the City and Guilds of London Institute – their Central Technical College.

    On 8 July 1907 King Edward VII granted a Royal Charter establishing the Imperial College of Science and Technology. This incorporated the Royal School of Mines and the Royal College of Science. It also made provisions for the City and Guilds College to join once conditions regarding its governance were met as well as for Imperial to become a college of the University of London. The college joined the University of London on 22 July 1908 with the City and Guilds College joining in 1910. The main campus of Imperial College was constructed beside the buildings of the Imperial Institute- the new building for the Royal College of Science having opened across from it in 1906 and the foundation stone for the Royal School of Mines building being laid by King Edward VII in July 1909.

    As students at Imperial had to study separately for London degrees in January 1919 students and alumni voted for a petition to make Imperial a university with its own degree awarding powers independent of the University of London. In response the University of London changed its regulations in 1925 so that the courses taught only at Imperial would be examined by the university enabling students to gain a BSc.

    In October 1945 King George VI and Queen Elizabeth visited Imperial to commemorate the centenary of the Royal College of Chemistry which was the oldest of the institutions that united to form Imperial College. “Commemoration Day” named after this visit is held every October as the university’s main graduation ceremony. The college also acquired a biology field station at Silwood Park near Ascot, Berkshire in 1947.

    Following the Second World War, there was again concern that Britain was falling behind in science – this time to the United States. The Percy Report of 1945 and Barlow Committee in 1946 called for a “British MIT”-equivalent backed by influential scientists as politicians of the time including Lord Cherwell; Sir Lawrence Bragg; and Sir Edward Appleton. The University Grants Committee strongly opposed however. So, a compromise was reached in 1953 where Imperial would remain within the university but double in size over the next ten years. The expansion led to a number of new buildings being erected. These included the Hill building in 1957 and the Physics building in 1960 and the completion of the East Quadrangle built in four stages between 1959 and 1965. The building work also meant the demolition of the City and Guilds College building in 1962–63 and the Imperial Institute’s building by 1967. Opposition from the Royal Fine Arts Commission and others meant that Queen’s Tower was retained with work carried out between 1966 and 1968 to make it free standing. New laboratories for biochemistry established with the support of a £350,000 grant from the Wolfson Foundation were opened by the Queen in 1965.

    In 1988 Imperial merged with St Mary’s Hospital Medical School under the Imperial College Act 1988. Amendments to the royal charter changed the formal name of the institution to The Imperial College of Science Technology and Medicine and made St Mary’s a constituent college. This was followed by mergers with the National Heart and Lung Institute in 1995 and the Charing Cross and Westminster Medical School; Royal Postgraduate Medical School; and the Institute of Obstetrics and Gynecology in 1997 with the Imperial College Act 1997 formally establishing the Imperial College School of Medicine.

    21st century

    In 2003, Imperial was granted degree-awarding powers in its own right by the Privy Council. In 2004, the Imperial College Business School and a new main entrance on Exhibition Road were opened by Queen Elizabeth II. The UK Energy Research Centre was also established in 2004 and opened its headquarters at Imperial. On 9 December 2005, Imperial announced that it would commence negotiations to secede from the University of London. Imperial became fully independent of the University of London in July 2007.

    In April 2011 Imperial and King’s College London joined the UK Centre for Medical Research and Innovation as partners with a commitment of £40 million each to the project. The centre was later renamed The Francis Crick Institute (UK) and opened on 9 November 2016. It is the largest single biomedical laboratory in Europe. The college began moving into the new White City campus in 2016 with the launching of the Innovation Hub. This was followed by the opening of the Molecular Sciences Research Hub for the Department of Chemistry officially opened by Mayor of London- Sadiq Khan in 2019. The White City campus also includes another biomedical centre funded by a £40 million donation by alumnus Sir Michael Uren.

    Research

    Imperial submitted a total of 1,257 staff across 14 units of assessment to the 2014 Research Excellence Framework (REF) assessment. This found that 91% of Imperial’s research is “world-leading” (46% achieved the highest possible 4* score) or “internationally excellent” (44% achieved 3*) giving an overall GPA of 3.36. In rankings produced by Times Higher Education based upon the REF results Imperial was ranked 2nd overall. Imperial is also widely known to have been a critical contributor of the discovery of penicillin; the invention of fiber optics; and the development of holography. The college promotes research commercialization partly through its dedicated technology transfer company- Imperial Innovations- which has given rise to a large number of spin-out companies based on academic research. Imperial College has a long-term partnership with the Massachusetts Institute of Technology that dates back from World War II. The United States is the college’s top collaborating foreign country with more than 15,000 articles co-authored by Imperial and U.S.-based authors over the last 10 years.

    In January 2018 the mathematics department of Imperial and the CNRS-The National Center for Scientific Research[Centre national de la recherche scientifique](FR) launched UMI Abraham de Moivre at Imperial- a joint research laboratory of mathematics focused on unsolved problems and bridging British and French scientific communities. The Fields medallists Cédric Villani and Martin Hairer hosted the launch presentation. The CNRS-Imperial partnership started a joint PhD program in mathematics and further expanded in June 2020 to include other departments. In October 2018, Imperial College launched the Imperial Cancer Research UK Center- a research collaboration that aims to find innovative ways to improve the precision of cancer treatments inaugurated by former Vice President of the United States Joe Biden as part of his Biden Cancer Initiative.

    Imperial was one of the ten leading contributors to the National Aeronautics and Space Administration InSight Mars lander which landed on planet Mars in November 2018, with the college logo appearing on the craft. InSight’s Seismic Experiment for Interior Structure, developed at Imperial, measured the first likely marsquake reading in April 2019. In 2019 it was revealed that the Blackett Laboratory would be constructing an instrument for the European Space (EU) Solar Orbiter in a mission to study the Sun, which launched in February 2020. The laboratory is also designing part of the DUNE/LBNF Deep Underground Neutrino Experiment.

    In early 2020 immunology research at the Faculty of Medicine focused on SARS-CoV-2 under the leadership of Professor Robin Shattock as part of the college’s COVID-19 Response Team including the search of a cheap vaccine which started human trials on 15 June 2020. Professor Neil Ferguson’s 16 March report entitled Impact of non-pharmaceutical interventions (NPIs) to reduce COVID- 19 mortality and healthcare demand was described in a 17 March The New York Times article as the coronavirus “report that jarred the U.S. and the U.K. to action”. Since 18 May 2020 Imperial College’s Dr. Samir Bhatt has been advising the state of New York for its reopening plan. Governor of New York Andrew Cuomo said that “the Imperial College model- as we’ve been following this for weeks- was the best most accurate model.” The hospitals from the Imperial College Healthcare NHS Trust which have been caring for COVID-19 infected patients partnered with Microsoft to use their HoloLens when treating those patients reducing the amount of time spent by staff in high-risk areas by up to 83% as well as saving up to 700 items of PPE per ward, per week.

     
  • richardmitnick 8:00 pm on May 4, 2022 Permalink | Reply
    Tags: "Scientists engineer new tools to electronically control gene expression", , , Electricity holds the solution., , Imperial College London (UK),   

    From Imperial College London (UK) : “Scientists engineer new tools to electronically control gene expression” 

    From Imperial College London (UK)

    04 May 2022
    Ayesha Khan

    1
    Researchers have created an improved method for turning genes on and off using electrical signals.

    Researchers, led by experts at Imperial College London, have developed a new method that allows gene expression to be precisely altered by supplying and removing electrons.

    This could help control biomedical implants in the body or reactions in large ‘bioreactors’ that produce drugs and other useful compounds. Current stimuli used to initiate such reactions are often unable to penetrate materials or pose risk of toxicity – electricity holds the solution.

    Gene expression is the process by which genes are ‘activated’ to produce new molecules and other downstream effects in cells. In organisms, it is regulated by regions of the DNA called promoters. Some promoters, called inducible promoters, can respond to different stimuli, such as light, chemicals and temperature.

    Using electricity to control gene expression has opened a new field of research and while such electrogenetic systems have been previously identified they have lacked precision during the presence or absence of electrical signals, limiting their applications. The newly proposed system, with engineered promoters, allows such accuracy to be obtained for the first time using electrical stimulus in bacteria.

    The research is published today in Science Advances.

    Flick of a switch

    Co-lead author Joshua Lawrence said: “A major issue in synthetic biology is that it is hard to control biological systems in the way we control artificial ones. If we want to get a cell to produce a specific chemical at a certain time we can’t just change a setting on a computer – we have to add a chemical or change the light conditions.

    “The tools we’ve created as part of this project will enable researchers to control the gene expression and behaviour of cells with electrical signals instead without any loss in performance.

    “We hope that by further developing these tools we really will be able to control biological systems with a flick of a switch.”

    In this research, the PsoxS promoter was redesigned to respond more strongly to electrical stimuli, provided by the delivery of electrons. The newly engineered PsoxS promoters were able not only to activate gene expression but also repress it.

    Electrically stimulated gene expression has so far been difficult to conduct in the presence of oxygen, limiting its use in real-life applications. The new method is viable in the presence of oxygen, meaning it can be replicated across different species of bacteria and used in applications such as medical implants and bioindustrial processes.

    Electrochemical tools can be adjusted for different tasks by tuning them to a specific level, via change in electrode potential.

    Glowing bacteria

    Biomedical implants often use a stimulus to produce a certain drug or hormone in the body. Not all stimuli are suitable; light is unable to penetrate the human body and chemical ingestion can lead to toxicity. Electric stimuli can be administered via electrodes, giving direct and safe delivery.

    For large bioreactors (sometimes the size of a building), that produce chemicals, drugs or fuels, the large volume of culture can be difficult to penetrate with light and expensive to feed with chemical inducers, so delivery of electrons provides a solution.

    For their proof-of-concept study, the researchers took the ‘glowing’ protein from jellyfish, and used the new promoter and electrons to induce its expression in bacteria, making the cells glow only when the system was ‘on’. In a different configuration of the system, researchers created a bacteria that was glowing when the system was ‘off’ and stopped glowing when the system was ‘on’.

    2
    Illustration of how the system works. Credit: Imperial College London.

    Dr Rodrigo Ledesma Amaro, lecturer at Imperial College London and leader of the RLAlab research group said, “The project originated as a blue sky idea during a synthetic biology student competition.

    “Thanks to strong dedication, years of work and a great team effort, that initial idea was turned into a reality and we now have a variety of new technologies to use electricity to control the fate of cells.”

    Building a library

    The team are now planning on developing different promoters that will act to induce different downstream factors, so that simultaneous electrical signals can express different genes, independent of one another. Building a larger library of promoters and downstream factors means the current system can be adapted for use in yeast, plants and animals.

    Dr Ledesma-Amaro, from the Department of Bioengineering at Imperial, supervised the research that was carried out by Joshua Lawrence, currently at The University of Cambridge (UK) and Yutong Yin, currently at The University of Oxford (UK).

    The research is the result of a larger collaboration of experts from across Imperial’s Departments of Chemistry, Life Sciences and Bioengineering, the Imperial College Translation & Innovation Hub, Cambridge University and The University of Milan [Università degli Studi di Milano Statale] (IT).

    See the full article here.


    five-ways-keep-your-child-safe-school-shootings

    Please help promote STEM in your local schools.

    Stem Education Coalition

    Imperial College London (UK) is a science-based university with an international reputation for excellence in teaching and research. Consistently rated amongst the world’s best universities, Imperial is committed to developing the next generation of researchers, scientists and academics through collaboration across disciplines. Located in the heart of London, Imperial is a multidisciplinary space for education, research, translation and commercialization, harnessing science and innovation to tackle global challenges.

    Imperial College London (legally Imperial College of Science, Technology and Medicine) is a public research university in London. Imperial grew out of Prince Albert’s vision of an area for culture, including the Royal Albert Hall; Imperial Institute; numerous museums and the Royal Colleges that would go on to form the college. In 1907, Imperial College was established by Royal Charter, merging the Royal College of Science; Royal School of Mines; and City and Guilds College. In 1988, the Imperial College School of Medicine was formed by combining with St Mary’s Hospital Medical School. In 2004, Queen Elizabeth II opened the Imperial College Business School.

    The college focuses exclusively on science; technology; medicine; and business. The college’s main campus is located in South Kensington, and it has an innovation campus in White City; a research field station at Silwood Park; and teaching hospitals throughout London. The college was a member of the University of London(UK) from 1908, becoming independent on its centenary in 2007. Imperial has an international community, with more than 59% of students from outside the UK and 140 countries represented on campus. Student, staff, and researcher affiliations include 14 Nobel laureates; 3 Fields Medalists; 2 Breakthrough Prize winners; 1 Turing Award winner; 74 Fellows of the Royal Society; 87 Fellows of the Royal Academy of Engineering; and 85 Fellows of the Academy of Medical Sciences.

    History

    19th century

    The earliest college that led to the formation of Imperial was the Royal College of Chemistry founded in 1845 with the support of Prince Albert and parliament. This was merged in 1853 into what became known as the Royal School of Mines. The medical school has roots in many different schools across London, the oldest of which being Charing Cross Hospital Medical School which can be traced back to 1823 followed by teaching starting at Westminster Hospital in 1834 and St Mary’s Hospital in 1851.

    In 1851 the Great Exhibition was organised as an exhibition of culture and industry by Henry Cole and by Prince Albert- husband of the reigning monarch of the United Kingdom Queen Victoria. An enormously popular and financial success proceeds from the Great Exhibition were designated to develop an area for cultural and scientific advancement in South Kensington. Within the next 6 years the Victoria and Albert Museum and Science Museum had opened joined by new facilities in 1871 for the Royal College of Chemistry and in 1881 for the Royal School of Mines; the opening of the Natural History Museum in 1881; and in 1888 the Imperial Institute.

    In 1881 the Normal School of Science was established in South Kensington under the leadership of Thomas Huxley taking over responsibility for the teaching of the natural sciences and agriculture from the Royal School of Mines. The school was renamed the Royal College of Science by royal consent in 1890. The Central Institution of the City and Guilds of London Institute was opened as a technical education school on Exhibition Road by the Prince of Wales in early 1885.

    20th century

    At the start of the 20th century, there was a concern that Britain was falling behind Germany in scientific and technical education. A departmental committee was set up at the Board of Education in 1904, to look into the future of the Royal College of Science. A report released in 1906 called for the establishment of an institution unifying the Royal College of Science and the Royal School of Mines, as well as – if an agreement could be reached with the City and Guilds of London Institute – their Central Technical College.

    On 8 July 1907 King Edward VII granted a Royal Charter establishing the Imperial College of Science and Technology. This incorporated the Royal School of Mines and the Royal College of Science. It also made provisions for the City and Guilds College to join once conditions regarding its governance were met as well as for Imperial to become a college of the University of London. The college joined the University of London on 22 July 1908 with the City and Guilds College joining in 1910. The main campus of Imperial College was constructed beside the buildings of the Imperial Institute- the new building for the Royal College of Science having opened across from it in 1906 and the foundation stone for the Royal School of Mines building being laid by King Edward VII in July 1909.

    As students at Imperial had to study separately for London degrees in January 1919 students and alumni voted for a petition to make Imperial a university with its own degree awarding powers independent of the University of London. In response the University of London changed its regulations in 1925 so that the courses taught only at Imperial would be examined by the university enabling students to gain a BSc.

    In October 1945 King George VI and Queen Elizabeth visited Imperial to commemorate the centenary of the Royal College of Chemistry which was the oldest of the institutions that united to form Imperial College. “Commemoration Day” named after this visit is held every October as the university’s main graduation ceremony. The college also acquired a biology field station at Silwood Park near Ascot, Berkshire in 1947.

    Following the Second World War, there was again concern that Britain was falling behind in science – this time to the United States. The Percy Report of 1945 and Barlow Committee in 1946 called for a “British MIT”-equivalent backed by influential scientists as politicians of the time including Lord Cherwell; Sir Lawrence Bragg; and Sir Edward Appleton. The University Grants Committee strongly opposed however. So a compromise was reached in 1953 where Imperial would remain within the university but double in size over the next ten years. The expansion led to a number of new buildings being erected. These included the Hill building in 1957 and the Physics building in 1960 and the completion of the East Quadrangle built in four stages between 1959 and 1965. The building work also meant the demolition of the City and Guilds College building in 1962–63 and the Imperial Institute’s building by 1967. Opposition from the Royal Fine Arts Commission and others meant that Queen’s Tower was retained with work carried out between 1966 and 1968 to make it free standing. New laboratories for biochemistry established with the support of a £350,000 grant from the Wolfson Foundation were opened by the Queen in 1965.

    In 1988 Imperial merged with St Mary’s Hospital Medical School under the Imperial College Act 1988. Amendments to the royal charter changed the formal name of the institution to The Imperial College of Science Technology and Medicine and made St Mary’s a constituent college. This was followed by mergers with the National Heart and Lung Institute in 1995 and the Charing Cross and Westminster Medical School; Royal Postgraduate Medical School; and the Institute of Obstetrics and Gynaecology in 1997 with the Imperial College Act 1997 formally establishing the Imperial College School of Medicine.

    21st century

    In 2003, Imperial was granted degree-awarding powers in its own right by the Privy Council. In 2004, the Imperial College Business School and a new main entrance on Exhibition Road were opened by Queen Elizabeth II. The UK Energy Research Centre was also established in 2004 and opened its headquarters at Imperial. On 9 December 2005, Imperial announced that it would commence negotiations to secede from the University of London. Imperial became fully independent of the University of London in July 2007.

    In April 2011 Imperial and King’s College London joined the UK Centre for Medical Research and Innovation as partners with a commitment of £40 million each to the project. The centre was later renamed the Francis Crick Institute and opened on 9 November 2016. It is the largest single biomedical laboratory in Europe. The college began moving into the new White City campus in 2016 with the launching of the Innovation Hub. This was followed by the opening of the Molecular Sciences Research Hub for the Department of Chemistry officially opened by Mayor of London- Sadiq Khan in 2019. The White City campus also includes another biomedical centre funded by a £40 million donation by alumnus Sir Michael Uren.

    Research

    Imperial submitted a total of 1,257 staff across 14 units of assessment to the 2014 Research Excellence Framework (REF) assessment. This found that 91% of Imperial’s research is “world-leading” (46% achieved the highest possible 4* score) or “internationally excellent” (44% achieved 3*) giving an overall GPA of 3.36. In rankings produced by Times Higher Education based upon the REF results Imperial was ranked 2nd overall. Imperial is also widely known to have been a critical contributor of the discovery of penicillin; the invention of fiber optics; and the development of holography. The college promotes research commercialisation partly through its dedicated technology transfer company- Imperial Innovations- which has given rise to a large number of spin-out companies based on academic research. Imperial College has a long-term partnership with the Massachusetts Institute of Technology(US) that dates back from World War II. The United States is the college’s top collaborating foreign country with more than 15,000 articles co-authored by Imperial and U.S.-based authors over the last 10 years.

    In January 2018 the mathematics department of Imperial and the CNRS-The National Center for Scientific Research[Centre national de la recherche scientifique](FR) launched UMI Abraham de Moivre at Imperial- a joint research laboratory of mathematics focused on unsolved problems and bridging British and French scientific communities. The Fields medallists Cédric Villani and Martin Hairer hosted the launch presentation. The CNRS-Imperial partnership started a joint PhD program in mathematics and further expanded in June 2020 to include other departments. In October 2018, Imperial College launched the Imperial Cancer Research UK Center- a research collaboration that aims to find innovative ways to improve the precision of cancer treatments inaugurated by former Vice President of the United States Joe Biden as part of his Biden Cancer Initiative.

    Imperial was one of the ten leading contributors to the National Aeronautics and Space Administration(US) InSight Mars lander which landed on planet Mars in November 2018, with the college logo appearing on the craft. InSight’s Seismic Experiment for Interior Structure, developed at Imperial, measured the first likely marsquake reading in April 2019. In 2019 it was revealed that the Blackett Laboratory would be constructing an instrument for the European Space Agency [Agence spatiale européenne](EU) Solar Orbiter in a mission to study the Sun, which launched in February 2020. The laboratory is also designing part of the DUNE/LBNF Deep Underground Neutrino Experiment(US).

    In early 2020 immunology research at the Faculty of Medicine focused on SARS-CoV-2 under the leadership of Professor Robin Shattock as part of the college’s COVID-19 Response Team including the search of a cheap vaccine which started human trials on 15 June 2020. Professor Neil Ferguson’s 16 March report entitled Impact of non-pharmaceutical interventions (NPIs) to reduce COVID- 19 mortality and healthcare demand was described in a 17 March The New York Times article as the coronavirus “report that jarred the U.S. and the U.K. to action”. Since 18 May 2020 Imperial College’s Dr. Samir Bhatt has been advising the state of New York for its reopening plan. Governor of New York Andrew Cuomo said that “the Imperial College model- as we’ve been following this for weeks- was the best most accurate model.” The hospitals from the Imperial College Healthcare NHS Trust which have been caring for COVID-19 infected patients partnered with Microsoft to use their HoloLens when treating those patients reducing the amount of time spent by staff in high-risk areas by up to 83% as well as saving up to 700 items of PPE per ward, per week.

     
  • richardmitnick 1:02 pm on April 25, 2022 Permalink | Reply
    Tags: "Cheaper hydrogen fuel cell could mean better green energy options", An iron boost, , , Imperial College London (UK), Imperial researchers have developed a hydrogen fuel cell that uses iron instead of rare and costly platinum enabling greater use of the technology., Scientists used a unique synthetic method called transmetallation to avoid forming iron clusters during synthesis., The team’s innovation was to produce a catalyst where all the iron was dispersed as single atoms within an electrically conducting carbon matrix.   

    From Imperial College London (UK) : “Cheaper hydrogen fuel cell could mean better green energy options” 

    From Imperial College London (UK)

    25 April 2022
    Hayley Dunning

    1
    Imperial researchers have developed a hydrogen fuel cell that uses iron instead of rare and costly platinum enabling greater use of the technology.

    Hydrogen fuel cells convert hydrogen to electricity with water vapour as the only by-product, making them an attractive green alternative for portable power, particularly for vehicles.

    However, their widespread use has been hampered in part by the cost of one of the primary components. To facilitate the reaction that produces the electricity, the fuel cells rely on a catalyst made of platinum, which is expensive and scarce.

    Now, a European team led by Imperial College London researchers has created a catalyst using only iron, carbon, and nitrogen – materials that are cheap and readily available – and shown that it can be used to operate a fuel cell at high power. Their results are published today in Nature Catalysis.

    Lead researcher Professor Anthony Kucernak, from the Department of Chemistry at Imperial, said: “Currently, around 60% of the cost of a single fuel cell is the platinum for the catalyst. To make fuel cells a real viable alternative to fossil-fuel-powered vehicles, for example, we need to bring that cost down.

    “Our cheaper catalyst design should make this a reality, and allow deployment of significantly more renewable energy systems that use hydrogen as fuel, ultimately reducing greenhouse gas emissions and putting the world on a path to net-zero emissions.”

    An iron boost

    The team’s innovation was to produce a catalyst where all the iron was dispersed as single atoms within an electrically conducting carbon matrix. Single-atom iron has different chemical properties than bulk iron, where all the atoms are clustered together, making it more reactive.

    These properties mean the iron boosts the reactions needed in the fuel cell, acting as a good substitute for platinum. In lab tests, the team showed that a single-atom iron catalyst has performance approaching that of platinum-based catalysts in a real fuel cell system.

    As well as producing a cheaper catalyst for fuel cells, the method the team developed to create could be adapted for other catalysts for other processes, such as chemical reactions using atmospheric oxygen as a reactant instead of expensive chemical oxidants, and in the treatment of wastewater using air to remove harmful contaminants.

    Unique synthetic method

    First author Dr Asad Mehmood, from the Department of Chemistry at Imperial, said: “We have developed a new approach to make a range of ‘single atom’ catalysts that offer an opportunity to allow a range of new chemical and electrochemical processes.

    “Specifically, we used a unique synthetic method, called transmetallation, to avoid forming iron clusters during synthesis. This process should be beneficial to other scientists looking to prepare a similar type of catalyst.”

    The team collaborated with UK fuel cell catalyst manufacturer Johnson Matthey to test the catalyst in appropriate systems and hope to scale up their new catalyst so it can be used in commercial fuel cells. In the meantime, they are working to improve the stability of the catalyst, so it matches platinum in durability as well as performance.

    See the full article here.


    five-ways-keep-your-child-safe-school-shootings

    Please help promote STEM in your local schools.

    Stem Education Coalition

    Imperial College London (UK) is a science-based university with an international reputation for excellence in teaching and research. Consistently rated amongst the world’s best universities, Imperial is committed to developing the next generation of researchers, scientists and academics through collaboration across disciplines. Located in the heart of London, Imperial is a multidisciplinary space for education, research, translation and commercialization, harnessing science and innovation to tackle global challenges.

    Imperial College London (legally Imperial College of Science, Technology and Medicine) is a public research university in London. Imperial grew out of Prince Albert’s vision of an area for culture, including the Royal Albert Hall; Imperial Institute; numerous museums and the Royal Colleges that would go on to form the college. In 1907, Imperial College was established by Royal Charter, merging the Royal College of Science; Royal School of Mines; and City and Guilds College. In 1988, the Imperial College School of Medicine was formed by combining with St Mary’s Hospital Medical School. In 2004, Queen Elizabeth II opened the Imperial College Business School.

    The college focuses exclusively on science; technology; medicine; and business. The college’s main campus is located in South Kensington, and it has an innovation campus in White City; a research field station at Silwood Park; and teaching hospitals throughout London. The college was a member of the University of London(UK) from 1908, becoming independent on its centenary in 2007. Imperial has an international community, with more than 59% of students from outside the UK and 140 countries represented on campus. Student, staff, and researcher affiliations include 14 Nobel laureates; 3 Fields Medalists; 2 Breakthrough Prize winners; 1 Turing Award winner; 74 Fellows of the Royal Society; 87 Fellows of the Royal Academy of Engineering; and 85 Fellows of the Academy of Medical Sciences.

    History

    19th century

    The earliest college that led to the formation of Imperial was the Royal College of Chemistry founded in 1845 with the support of Prince Albert and parliament. This was merged in 1853 into what became known as the Royal School of Mines. The medical school has roots in many different schools across London, the oldest of which being Charing Cross Hospital Medical School which can be traced back to 1823 followed by teaching starting at Westminster Hospital in 1834 and St Mary’s Hospital in 1851.

    In 1851 the Great Exhibition was organised as an exhibition of culture and industry by Henry Cole and by Prince Albert- husband of the reigning monarch of the United Kingdom Queen Victoria. An enormously popular and financial success proceeds from the Great Exhibition were designated to develop an area for cultural and scientific advancement in South Kensington. Within the next 6 years the Victoria and Albert Museum and Science Museum had opened joined by new facilities in 1871 for the Royal College of Chemistry and in 1881 for the Royal School of Mines; the opening of the Natural History Museum in 1881; and in 1888 the Imperial Institute.

    In 1881 the Normal School of Science was established in South Kensington under the leadership of Thomas Huxley taking over responsibility for the teaching of the natural sciences and agriculture from the Royal School of Mines. The school was renamed the Royal College of Science by royal consent in 1890. The Central Institution of the City and Guilds of London Institute was opened as a technical education school on Exhibition Road by the Prince of Wales in early 1885.

    20th century

    At the start of the 20th century, there was a concern that Britain was falling behind Germany in scientific and technical education. A departmental committee was set up at the Board of Education in 1904, to look into the future of the Royal College of Science. A report released in 1906 called for the establishment of an institution unifying the Royal College of Science and the Royal School of Mines, as well as – if an agreement could be reached with the City and Guilds of London Institute – their Central Technical College.

    On 8 July 1907 King Edward VII granted a Royal Charter establishing the Imperial College of Science and Technology. This incorporated the Royal School of Mines and the Royal College of Science. It also made provisions for the City and Guilds College to join once conditions regarding its governance were met as well as for Imperial to become a college of the University of London. The college joined the University of London on 22 July 1908 with the City and Guilds College joining in 1910. The main campus of Imperial College was constructed beside the buildings of the Imperial Institute- the new building for the Royal College of Science having opened across from it in 1906 and the foundation stone for the Royal School of Mines building being laid by King Edward VII in July 1909.

    As students at Imperial had to study separately for London degrees in January 1919 students and alumni voted for a petition to make Imperial a university with its own degree awarding powers independent of the University of London. In response the University of London changed its regulations in 1925 so that the courses taught only at Imperial would be examined by the university enabling students to gain a BSc.

    In October 1945 King George VI and Queen Elizabeth visited Imperial to commemorate the centenary of the Royal College of Chemistry which was the oldest of the institutions that united to form Imperial College. “Commemoration Day” named after this visit is held every October as the university’s main graduation ceremony. The college also acquired a biology field station at Silwood Park near Ascot, Berkshire in 1947.

    Following the Second World War, there was again concern that Britain was falling behind in science – this time to the United States. The Percy Report of 1945 and Barlow Committee in 1946 called for a “British MIT”-equivalent backed by influential scientists as politicians of the time including Lord Cherwell; Sir Lawrence Bragg; and Sir Edward Appleton. The University Grants Committee strongly opposed however. So a compromise was reached in 1953 where Imperial would remain within the university but double in size over the next ten years. The expansion led to a number of new buildings being erected. These included the Hill building in 1957 and the Physics building in 1960 and the completion of the East Quadrangle built in four stages between 1959 and 1965. The building work also meant the demolition of the City and Guilds College building in 1962–63 and the Imperial Institute’s building by 1967. Opposition from the Royal Fine Arts Commission and others meant that Queen’s Tower was retained with work carried out between 1966 and 1968 to make it free standing. New laboratories for biochemistry established with the support of a £350,000 grant from the Wolfson Foundation were opened by the Queen in 1965.

    In 1988 Imperial merged with St Mary’s Hospital Medical School under the Imperial College Act 1988. Amendments to the royal charter changed the formal name of the institution to The Imperial College of Science Technology and Medicine and made St Mary’s a constituent college. This was followed by mergers with the National Heart and Lung Institute in 1995 and the Charing Cross and Westminster Medical School; Royal Postgraduate Medical School; and the Institute of Obstetrics and Gynaecology in 1997 with the Imperial College Act 1997 formally establishing the Imperial College School of Medicine.

    21st century

    In 2003, Imperial was granted degree-awarding powers in its own right by the Privy Council. In 2004, the Imperial College Business School and a new main entrance on Exhibition Road were opened by Queen Elizabeth II. The UK Energy Research Centre was also established in 2004 and opened its headquarters at Imperial. On 9 December 2005, Imperial announced that it would commence negotiations to secede from the University of London. Imperial became fully independent of the University of London in July 2007.

    In April 2011 Imperial and King’s College London joined the UK Centre for Medical Research and Innovation as partners with a commitment of £40 million each to the project. The centre was later renamed the Francis Crick Institute and opened on 9 November 2016. It is the largest single biomedical laboratory in Europe. The college began moving into the new White City campus in 2016 with the launching of the Innovation Hub. This was followed by the opening of the Molecular Sciences Research Hub for the Department of Chemistry officially opened by Mayor of London- Sadiq Khan in 2019. The White City campus also includes another biomedical centre funded by a £40 million donation by alumnus Sir Michael Uren.

    Research

    Imperial submitted a total of 1,257 staff across 14 units of assessment to the 2014 Research Excellence Framework (REF) assessment. This found that 91% of Imperial’s research is “world-leading” (46% achieved the highest possible 4* score) or “internationally excellent” (44% achieved 3*) giving an overall GPA of 3.36. In rankings produced by Times Higher Education based upon the REF results Imperial was ranked 2nd overall. Imperial is also widely known to have been a critical contributor of the discovery of penicillin; the invention of fiber optics; and the development of holography. The college promotes research commercialisation partly through its dedicated technology transfer company- Imperial Innovations- which has given rise to a large number of spin-out companies based on academic research. Imperial College has a long-term partnership with the Massachusetts Institute of Technology(US) that dates back from World War II. The United States is the college’s top collaborating foreign country with more than 15,000 articles co-authored by Imperial and U.S.-based authors over the last 10 years.

    In January 2018 the mathematics department of Imperial and the CNRS-The National Center for Scientific Research[Centre national de la recherche scientifique](FR) launched UMI Abraham de Moivre at Imperial- a joint research laboratory of mathematics focused on unsolved problems and bridging British and French scientific communities. The Fields medallists Cédric Villani and Martin Hairer hosted the launch presentation. The CNRS-Imperial partnership started a joint PhD program in mathematics and further expanded in June 2020 to include other departments. In October 2018, Imperial College launched the Imperial Cancer Research UK Center- a research collaboration that aims to find innovative ways to improve the precision of cancer treatments inaugurated by former Vice President of the United States Joe Biden as part of his Biden Cancer Initiative.

    Imperial was one of the ten leading contributors to the National Aeronautics and Space Administration(US) InSight Mars lander which landed on planet Mars in November 2018, with the college logo appearing on the craft. InSight’s Seismic Experiment for Interior Structure, developed at Imperial, measured the first likely marsquake reading in April 2019. In 2019 it was revealed that the Blackett Laboratory would be constructing an instrument for the European Space Agency [Agence spatiale européenne](EU) Solar Orbiter in a mission to study the Sun, which launched in February 2020. The laboratory is also designing part of the DUNE/LBNF Deep Underground Neutrino Experiment(US).

    In early 2020 immunology research at the Faculty of Medicine focused on SARS-CoV-2 under the leadership of Professor Robin Shattock as part of the college’s COVID-19 Response Team including the search of a cheap vaccine which started human trials on 15 June 2020. Professor Neil Ferguson’s 16 March report entitled Impact of non-pharmaceutical interventions (NPIs) to reduce COVID- 19 mortality and healthcare demand was described in a 17 March The New York Times article as the coronavirus “report that jarred the U.S. and the U.K. to action”. Since 18 May 2020 Imperial College’s Dr. Samir Bhatt has been advising the state of New York for its reopening plan. Governor of New York Andrew Cuomo said that “the Imperial College model- as we’ve been following this for weeks- was the best most accurate model.” The hospitals from the Imperial College Healthcare NHS Trust which have been caring for COVID-19 infected patients partnered with Microsoft to use their HoloLens when treating those patients reducing the amount of time spent by staff in high-risk areas by up to 83% as well as saving up to 700 items of PPE per ward, per week.

     
  • richardmitnick 10:08 am on January 12, 2021 Permalink | Reply
    Tags: "Rare quadruple-helix DNA found in living human cells with glowing probes", , , , DAOTA-M2, G-quadruplexes, Imperial College London (UK),   

    From Imperial College London (UK): “Rare quadruple-helix DNA found in living human cells with glowing probes” 


    From Imperial College London (UK)

    08 January 2021
    Hayley Dunning

    New probes allow scientists to see four-stranded DNA interacting with molecules inside living human cells, unravelling its role in cellular processes.

    1
    © Imperial College London.

    DNA usually forms the classic double helix shape of two strands wound around each other. While DNA can form some more exotic shapes in test tubes, few are seen in real living cells.

    However, four-stranded DNA, known as G-quadruplex, has recently been seen forming naturally in human cells. Now, in new research published today in Nature Communications, a team led by Imperial College London scientists have created new probes that can see how G-quadruplexes are interacting with other molecules inside living cells.

    G-quadruplexes are found in higher concentrations in cancer cells, so are thought to play a role in the disease. The probes reveal how G-quadruplexes are ‘unwound’ by certain proteins, and can also help identify molecules that bind to G-quadruplexes, leading to potential new drug targets that can disrupt their activity.

    Needle in a haystack

    One of the lead authors, Ben Lewis, from the Department of Chemistry at Imperial, said: “A different DNA shape will have an enormous impact on all processes involving it – such as reading, copying, or expressing genetic information.

    “Evidence has been mounting that G-quadruplexes play an important role in a wide variety of processes vital for life, and in a range of diseases, but the missing link has been imaging this structure directly in living cells.”

    G-quadruplexes are rare inside cells, meaning standard techniques for detecting such molecules have difficulty detecting them specifically. Ben Lewis describes the problem as “like finding a needle in a haystack, but the needle is also made of hay”.

    To solve the problem, researchers from the Vilar and Kuimova groups in the Department of Chemistry at Imperial teamed up with the Vannier group from the Medical Research Council’s London Institute of Medical Sciences.

    2
    Fluorescence lifetime imaging microscopy map of nuclear DNA in live cells stained with the new probe. Colours represent fluorescence lifetimes between 9 (red) and 13 (blue) nanoseconds.

    They used a chemical probe called DAOTA-M2, which fluoresces (lights up) in the presence of G-quadruplexes, but instead of monitoring the brightness of fluorescence, they monitored how long this fluorescence lasts. This signal does not depend on the concentration of the probe or of G-quadruplexes, meaning it can be used to unequivocally visualise these rare molecules.

    Dr Marina Kuimova, from the Department of Chemistry at Imperial, said: “By applying this more sophisticated approach we can remove the difficulties which have prevented the development of reliable probes for this DNA structure.”

    Looking directly in live cells

    The team used their probes to study the interaction of G-quadruplexes with two helicase proteins – molecules that ‘unwind’ DNA structures. They showed that if these helicase proteins were removed, more G-quadruplexes were present, showing that the helicases play a role in unwinding and thus breaking down G-quadruplexes.

    Dr Jean-Baptiste Vannier, from the MRC London Institute of Medical Sciences and the Institute of Clinical Sciences at Imperial, said: “In the past we have had to rely on looking at indirect signs of the effect of these helicases, but now we take a look at them directly inside live cells.”

    They also examined the ability of other molecules to interact with G-quadruplexes in living cells. If a molecule introduced to a cell binds to this DNA structure, it will displace the DAOTA-M2 probe and reduce its lifetime, i.e. how long the fluorescence lasts.

    This allows interactions to be studied inside the nucleus of living cells, and for more molecules, such as those which are not fluorescent and can’t be seen under the microscope, to be better understood.

    Professor Ramon Vilar, from the Department of Chemistry at Imperial, explained: “Many researchers have been interested in the potential of G-quadruplex binding molecules as potential drugs for diseases such as cancers. Our method will help to progress our understanding of these potential new drugs.”

    Peter Summers, another lead author from the Department of Chemistry at Imperial, said: “This project has been a fantastic opportunity to work at the intersection of chemistry, biology and physics. It would not have been possible without the expertise and close working relationship of all three research groups.”

    The three groups intend to continue working together to improve the properties of their probe and to explore new biological problems and shine further light on the roles G-quadruplexes play inside our living cells. The research was funded by Imperial’s Excellence Fund for Frontier Research.

    See the full article here .


    five-ways-keep-your-child-safe-school-shootings

    Please help promote STEM in your local schools.

    Stem Education Coalition

    Imperial College London (UK) is a science-based university with an international reputation for excellence in teaching and research. Consistently rated amongst the world’s best universities, Imperial is committed to developing the next generation of researchers, scientists and academics through collaboration across disciplines. Located in the heart of London, Imperial is a multidisciplinary space for education, research, translation and commercialisation, harnessing science and innovation to tackle global challenges.

     
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