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BREAKING Oct. 19, 4:32 PM EDT— U.S. Secretary of Defense Hagel ordered his Northern Command Commander, Gen. Chuck Jacoby, to "prepare and train a 30-person expeditionary medical support team that could, if required, provide short-notice assistance to civilian medical professionals in the United States." The team will consist of 20 critical care nurses, five doctors
KurzweilAI news made popular 8 hours ago by Thoughtbot
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(Wyss Institute for Biologically Inspired Engineering at Harvard) For the last 20 years, scientists have tried to design large DNA crystals with precisely prescribed depth and complex features -- a design quest just fulfilled by a team at Harvard's Wyss Institute for Biologically Inspired Engineering. The team built 32 DNA crystals with precisely-defined depth and an assortment of sophisticated three-dimensional features, an advance reported in Na... More
Eurekalert.org news made popular 8 hours ago by Thoughtbot
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(University of Massachusetts at Amherst) UMass Amherst physicists working with Derek Lovley and colleagues report in the current issue of Nature Nanotechnology that they've used a new imaging technique, electrostatic force microscopy, to resolve the biological debate with evidence from physics, showing that electric charges do indeed propagate along microbial nanowires just as they do in carbon nanotubes, a highly conductive man-made material.
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Challenging reassurances by CDC director Tom Frieden, M.D. Thursday in congressional testimony, a group of infectious disease experts has suggested that conventional U.S. medical centers are unprepared and ill equipped to manage Ebola, in an open-access article published Thursday in Annals of Internal Medicine. The authors recommend that a national network of specialized containment and treatment
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Teachers in the UK, Holland, Turkey, Greece and China were presented with seven "neuromyths" and asked whether they believe them to be true. A quarter or more of teachers in the UK and Turkey believe a student’s brain would shrink if they drank less than six to eight glasses of water a day, while around
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Researchers from the Institute for Integrated Cell-Material Sciences (iCeMS) at Kyoto University have developed a novel but simple technique called "diffusion driven layer-by-layer assembly" to construct graphene into porous three-dimensional structures for applications in devices such as batteries and supercapacitors. Their study was recently published in the journal Nature Communications. The problem they addressed is
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Biomedical engineering researchers have developed a drug delivery system consisting of nanoscale “cocoons” made of DNA that target cancer cells and trick the cells into absorbing the cocoon before unleashing anticancer drugs. The work was done by researchers at North Carolina State University and the University of North Carolina at Chapel Hill. “This drug delivery
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(Massachusetts Institute of Technology) New circuit design could unlock the power of experimental superconducting computer chips.
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Researchers from Columbia Engineering and Georgia Institute of Technology reported Wednesday (Oct. 15) that they have made the first experimental observation of piezoelectricity (generation of electricity from mechanical stress) and the piezotronic effect (using piezoelectricity as a semiconductor gate to control current flow in a device) in an atomically thin material, molybdenum disulfide (MoS2) —
KurzweilAI news made popular 3 days ago by Thoughtbot
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Open-source solar-powered 3D printers could bring 3D printing to remote areas, Professor Joshua Pearce at Michigan Technological University has proposed. One version features an array of solar photovoltaic panels and a stand-alone printer that could be stationed in a sunny schoolyard and print anything from consumer toys to science lab equipment. The second system is smaller and fits
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Researchers at the Department of Energy’s Oak Ridge National Laboratory (ORNL) have demonstrated a additive manufacturing method for controlling the structure and properties of metal components at the microscale with precision unmatched by conventional manufacturing processes. “We can now control local material properties, which will change the future of how we engineer metallic components,” said
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(University of Texas at Arlington) UT Arlington engineering professors have received a $451,781 Air Force Office of Scientific Research grant to examine the material surface at the micro- and nano-scale level that will provide clues for predicting fatigue in aircraft parts.
Eurekalert.org news made popular 3 days ago by Thoughtbot
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(The Optical Society) Scientists have demonstrated, for the first time, a new type of mirror that forgoes a familiar shiny metallic surface and instead reflects infrared light by using an unusual magnetic property of a non-metallic metamaterial. Using nanoscale antennas, researchers are able to capture and harness electromagnetic radiation in ways that have tantalizing potential in new classes of chemical sensors, solar cells, lasers, and other o... More
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(Institute for Integrated Cell-Material Sciences, Kyoto University) Researchers in Japan have developed a novel yet simple technique, called 'diffusion driven layer-by-layer assembly,' to construct graphene into porous three-dimensional structures for applications in devices such as batteries and supercapacitors. Their study was recently published in the journal Nature Communications.
Eurekalert.org news made popular 3 days ago by Thoughtbot
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(Washington University in St. Louis) To help laser systems overcome loss, operators often pump the system with an overabundance of photons to achieve optical gain. But now engineers at Washington University in St. Louis have shown a new way to reverse or eliminate such loss by, ironically, adding loss to a laser system to actually reap energy gains. In other words, they've invented a way to win by losing.
Eurekalert.org news made popular 3 days ago by Thoughtbot
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(Chalmers University of Technology) Particle physicists have a hard time identifying all the elementary particles created in their particle accelerators. But now researchers at Chalmers University of Technology have designed a material that makes it much easier to distinguish the particles. The material manipulates the Cherenkov radiation from particles with high momentum so that they get a distinct light cone angle.
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(People for the Ethical Treatment of Animals) The PETA International Science Consortium's nanotechnology expert will present a poster titled 'A Tiered-Testing Strategy for Nanomaterial Hazard Assessment' at the Topical Scientific Workshop -- Regulatory Challenges in Risk Assessment of Nanomaterials being organized by the European Chemicals Agency on Oct. 23-24 in Helsinki.
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A team of Harvard scientists and engineers has developed a new surface coating for medical devices that in tests repelled blood from more than 20 medically relevant substrates and also suppressed biofilm formation. The study was reported in Nature Biotechnology. Avoiding blood clotting and bacterial infcction The problem they addressed was that any device implanted
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The "nose" (sensors on the antennas) of the common (drosophila melanogaster) could soon be used to detect illegal drugs and explosives, based on new research that has revealed the fly’s impressive ability to detect a wide range of smells, as described in an open-access paper published today (October 15) in the  journal Bioinspiration and Biomimetics.
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UC Berkeley scientists have taken proteins from nerve cells and used them to create a “smart” material that is extremely sensitive to its environment. This marriage of materials science and biology could give birth to a flexible, sensitive coating that is easy and cheap to manufacture in large quantities. The work, published Oct. 14 in
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MIT researchers have developed a detailed settlement-analysis tool to assess the feasibility of the Mars One plans to establish the first human colony on Mars by 2025,  finding that new technologies will be needed to keep humans alive on Mars. Mars One —  considered by some to be essentially a Dutch-made reality TV show —
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(Columbia University School of Engineering and Applied Science) Researchers from Columbia Engineering and the Georgia Institute of Technology report today that they have made the first experimental observation of piezoelectricity and the piezotronic effect in an atomically thin material, molybdenum disulfide, MoS2, resulting in a unique electric generator and mechanosensation devices that are optically transparent, extremely light, and very bendab... More
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(University of Copenhagen - Niels Bohr Institute) Charles Marcus, who is a professor and head of the Center for Quantum Devices at the Niels Bohr Institute at the University of Copenhagen, has been awarded the prize for 'Research Excellence in Nanotechnology' by the nanoscience center, NBIC at the University of Pennsylvania, USA. It is an international prize and is given in recognition of outstanding research in nanotechnology.
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(University of Massachusetts Medical School) An international group of scientists led by Gang Han, PhD, at the University of Massachusetts Medical School, has combined a new type of nanoparticle with an FDA-approved photodynamic therapy to effectively kill deep-set cancer cells in vivo with minimal damage to surrounding tissue and fewer side effects than chemotherapy. This promising new treatment strategy could expand the current use of photodynam... More
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(University of Illinois College of Engineering) Nanomedicines consisting of nanoparticles for targeted drug delivery to specific tissues and cells offer new solutions for cancer diagnosis and therapy. In a recent study, researchers from the University of Illinois systematically evaluated the size-dependent biological profiles of three monodisperse drug-silica nanoconjugates to determine the optimum particle size for tissue penetration and tumor in... More
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