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National Institutes of Health News
Nature’s ’Light Switch’ Decoded
UPTON, N.Y., June 2, 2010 — Scientists at the US Department of Energy’s (DoE) Brookhaven National Laboratory and collaborators at the University of Wisconsin, Madison, have deciphered the structure of a molecular ‘switch’ much like the one plants use to sense the light that triggers new growth. Their findings help explain how the switch works and could be used to design new ways to modify plant growth. Previous studies showed that the light-sensing structure, called a phytochrome, exists in two...
Tiny Glass Slivers Conduct Current
ANN ARBOR, Mich., June 2, 2010 — Tiny glass slivers made by a laser have been found to conduct electrical currents nondestructively. In the macroscale world, materials called conductors effectively transmit electricity and materials called insulators or dielectrics don't,...
NanoImaging Receives $200K SBIR Grant
SAN DIEGO, April 23, 2010 — NanoImaging Services Inc. has received a Small Business Innovation Research (SBIR) grant from the National Institutes of Health through the National Center for Research Resources to develop a new method for quantitative characterization of...
Imaging a Heart’s First Beat
HOUSTON, April 16, 2010 — Through high-resolution, non-invasive imaging, scientists are documenting the formation of the mammalian heart and are capturing video of the embryonic heart before it begins beating. Kirill Larin, assistant professor of biomedical engineering in...
Gold-Silver Nanocages Improve Imaging
WEST LAFAYETTE, Ind., April 13, 2010 — An experimental ultrasensitive medical imaging technique that uses pulsed laser and tiny metallic “nanocages” might enable both the early detection and treatment of disease. The system works by shining near-infrared laser pulses through...
Stretchable Electronics — Good for the Heart
EVANSTON, Ill., March 26, 2010 — Flexible and stretchable electronics that can map waves of electrical activity in the heart with better resolution and speed than that of conventional cardiac monitoring technology have been demonstrated. Researchers from Northwestern University,...
The Year in Stimulus Funding: The impact of the American Recovery and Reinvestment Act on biomedical research
Mar 23, 2010 — Dr. Francis S. Collins had, as they say, his work cut out for him. In early August 2009, the former head of the Human Genome Project was sworn in as the 16th director of the NIH and thus was charged with overseeing what President Obama would later...
The struggle to keep research real
Feb 28, 2010 — Beneath a scientist’s lab coat beats a human heart. So it should be no surprise that researchers sometimes fudge – or outright fake – their data. Often, this manipulation takes the form of a doctored image. Michael Kalichman, director of the...
Defining How Photons Touch Flesh
SAN FRANCISCO, Jan. 29, 2010 – The discussion started out strangely, then gathered steam. Steven Jacques, SPIE Fellow and professor of biomedical optics at Oregon Health & Science University in Portland waited quietly at the front of the conference room as it slowly filled....
Virtual Brain Surgery
BALTIMORE, Nov. 24, 2009 – Jin U. Kang, an electrical engineer at Johns Hopkins University, has spent years tinkering with lasers and optical fiber – studying what happens when light strikes matter. Now, he has built a tool to help brain surgeons locate and get a clear look...
What's New with PCR
Sep 1, 2009 — Polymerase chain reaction (PCR), the workhorse of biological analysis, is used in areas ranging from criminal investigations and disease diagnosis to biological research. For example, it is the test that determines whether a strand of hair found at...
Light Controls Cell Movement
CHAPEL HILL, NC, Aug., 19, 2009 – A new technique developed by Dr. Klaus Hahn and colleagues at the University of North Carolina at Chapel Hill uses light to manipulate the activity of a protein at precise times and places within a living cell, providing a new tool for scientists...
Carbon Design Receives Grant
Aug 12, 2009 — Carbon Design Innovations Inc., a carbon nanotube device manufacturer located in Burlingame, Calif., has received a $390,000 grant from the National Institutes of Health (NIH) Small Business Innovation Research (SBIR) Program. The grant will fund...
Light Powers DNA Nanomotor
GAINESVILLE, Fla., June 11, 2009 — A new mechanism created by chemists transforms light into motion, albeit at an extremely small scale. The team from the University of Florida built a new type of "molecular nanomotor" driven only by photons, or particles of light. While it is...
Lasers Induce Brain Waves
CAMBRIDGE, Mass., April 27, 2009 – Researchers at MIT used a new technology called optogenetics, which combines genetic engineering with light to manipulate the activity of individual nerve cells, to induce gamma waves in mouse brains. The resulting information about neuron function...
Ulissi Wins DoE Fellowship
Mar 31, 2009 — Zachary Ulissi, a University of Delaware senior double majoring in chemical engineering and physics, has received a Department of Energy (DoE) Computational Science Graduate Fellowship that will total $250,000 over the next four years. During his...
Tool Aims to Reduce Biopsies
BOZEMAN, Mont., March 30, 2009 -- A handheld microscope that uses laser light to form an image of the skin's cellular structure could someday reduce the number of biopsies needed to diagnose skin cancer. Biopsies -- invasive, often painful procedures to remove skin samples for...
Indiana U Licenses MS Technology
Mar 11, 2009 — The Indiana University Research and Technology Corp. in Bloomington has granted Indianapolis-based Prosolia Inc. the option to license technology that could be suitable for medical, forensic and scientific applications. A grant from the National...
Imaging Macular Degeneration
ROCHESTER, NY, Feb. 27, 2009 – There is a layer of “dark cells” in the retina that is responsible for maintaining the health of the light-sensing cells in our eyes. These dark cells have now been imaged in a living retina for the first time. The ability to see this nearly...
Light Spots Cellular Suicide
DURHAM, N.C., Feb. 2, 2009 – Bioengineers now are using scattered light to help determine whether cancer cells are responding to chemotherapy. The new technology, developed by bioengineers at Duke University, is helping clinicians more precisely detect within a matter of hours...
Cell Imaging with Liquid Stem
NASHVILLE, Tenn., Jan. 21, 2009 – A new imaging method has emerged that allows scientists to see cell molecules more clearly. Niels de Jonge and colleagues at Vanderbilt University and Oak Ridge National Laboratory (ORNL) have discovered a technique for imaging whole cells in...
Light Spots Cellular Suicide
DURHAM, N.C., Jan. 29, 2009 – Bioengineers now are using scattered light to help determine whether cancer cells are responding to chemotherapy. The new technology, developed by bioengineers at Duke University, is helping clinicians more precisely detect within a matter of...
Strained Quantum Dots Shine
ATLANTA, Ga., Dec. 8, 2008 – Quantum dots, tiny luminescent particles made of semiconductors, hold promise for detecting and treating cancer earlier, however there are limitations related to their size and possible toxicity. Scientists at Emory University and the Georgia...
Gold Nanostars Shine Bright
DURHAM, NC, Nov. 7, 2008 – Tiny gold stars, smaller than a billionth of a meter, may hold the promise for new approaches to medical diagnoses or testing for environmental contaminants. Bioengineers at Duke University have indicated that of all the shapes studied to date,...
Lasers Mending Broken Hearts
CAMBRIDGE, Mass., Nov. 4, 2008 – A new scaffold approach developed by a team of researchers from the Massachusetts Institute of Technology (MIT) could one day be used to mend a broken heart. The idea is that living heart cells or stem cells seeded onto an accordion-like honeycomb...
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September 2024
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