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proteins News
Light offers read-and-write access to brain cells
OXFORD, UK – A new set of methods allows experimental interaction with biological systems composed of many interacting cell types, such as neural circuits in the brain. Researchers at the University of Oxford have used light to manipulate the memories of fruit flies, allowing them to learn from mistakes they never made and to pinpoint the nerve cells that make them do so.“Remote-controlling these cells and turning them on using light creates an illusion in the brain of the fly that it is experiencing...
QDs Improve Medical Imaging
GAITHERSBURG, Md., Nov. 19, 2009 – Changes in a living cell that take place over a long period of time are difficult to scrutinize and require high-spatial-resolution imaging. But new research now makes it possible to analyze activities that occur over hours or even days inside...
Diffract-and-Destroy Imaging
BERKELEY, Calif., July 30, 2009 – A particle gun that fires liquid droplets less than a millionth of a meter in diameter, faster than hundreds of thousands of times a second, is poised to revolutionize biological imaging. Tested at Berkeley Lab’s Advanced Light Source and soon to be...
QD Core Given Gold Shell
SEATTLE, July 28, 2009 -- Nanoparticles have been developed to perform a wide range of medical uses, from imaging tumors to carrying drugs to delivering pulses of heat to destroy tumor cells. But rather than settling for just one of these, researchers at the University of...
Cell Interactions Revealed
EUGENE, Ore., July 23, 2009 -- New findings that suggest putting lipids and other cell membrane components on manufactured surfaces to control like-charge attraction could lead to new classes of self-assembling materials for use in precision optics, nanotechnology, electronics...
3-D MRI Extends to Nanoscale
SAN JOSE, Calif., Jan. 13, 2009 – The creation of a microscopy tool with ultrahigh resolution, combined with an advanced 3-D image reconstruction technique, has enabled scientists to demonstate magnetic resonance imaging (MRI) on biological objects such as viruses. The achievement...
TEM Probes Between Atoms
HAMILTON, Ontario, Oct. 20, 2008 -- A powerful, $15 million transmission electron microscope (TEM) that has an atomic-level probing capability comparable to the galaxy peering power of the Hubble Space Telescope has been installed in the new Canadian Centre for Electron Microscopy at...
Multicolor STORM Images Cells
CAMBRIDGE, Mass., Aug. 21, 2007 -- A colorful new palette of fluorescent tags, when combined with superresolution advances, promise to provide a better view of life at the molecular level by allowing proteins to be labeled and tracked simultaneously within cells with nanometer...
Purdue Awarded $100M for Biomed Research
WEST LAFAYETTE, Ind., March 16, 2007 -- The Mann Foundation for Biomedical Engineering has announced a $100 million gift to endow an Alfred Mann Institute at Purdue University. The university-based institute is designed to enable the commercialization of innovative biomedical technologies...
'Googling' Brain Proteins with 3-D Goggles
RICHLAND, Wash., Feb. 16, 2007 -- The Allen Brain Atlas, a genome-wide map of the mouse brain on the Internet, has been hailed as “Google of the brain.” The atlas now has a companion of the brain’s working molecules, a sort of pop-up book of the proteins, or...
Nanoparticle Used to Discover Disease-Causing Proteins
WEST LAFAYETTE, Ind., Feb. 12, 2007 -- A complex molecule and snake venom may provide a more reliable way to diagnose human diseases and develop new drugs. Purdue University researchers bound a complex nanomolecule, called a dendrimer, with a glowing identification tag that was...
Biological Switch Created from Spinach Molecule
ATHENS, Ohio, Sept. 6, 2006 -- Scientists have transformed a spinach molecule of chlorophyll-a into a complex biological switch that has possible future applications for green energy, technology and medicine. The study offers the first detailed image of chloropyhll-a -- the...
Optically Switchable Material Could Solve Sticky Problem
Troy, N.Y., June 19, 2006 -- Changing a surface from sticky to slippery could now be as easy as flipping a molecular light switch. Researchers have created an "optically switchable" material that alters its surface characteristics when exposed to ultraviolet (UV) light. The new...
Technique Monitors Oxidative Stress
May 1, 2003 — Julio F. Turrens and his colleagues at the University of South Alabama in Mobile are exposing liposomes, amino acids and proteins such as bovine serum albumin to different peroxides to identify the wavelengths that are associated with oxidative...
Farfield Sensors Ltd.
Jan 1, 2003 — The AnaLight Bio200 from Farfield Sensors Ltd. features patented sensing technology for real-time analysis of the structure, function and conformational changes of proteins. The Salford, UK, company says the device eliminates the ambiguities of...
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May 2024
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