Many substances and nutrients are exchanged across the cell membrane. EPFL scientists have developed a method to observe these exchanges, by taking a highly accurate count of the number of proteins found there. Their research ...
Cell & Microbiology
Jul 27, 2011
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The spreading of a liquid drop on a solid surface is a simple, everyday phenomenon. And while it is known that when a drop of oil is placed on a solid surface, its radius increases as its thickness decreases, the mechanisms ...
General Physics
Jul 1, 2011
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Living cells are virtuosos of chemistry. At any one time, countless chemical reactions are taking place within each cell. For researchers trying to understand how cells function, unraveling this complex chemistry is an ongoing ...
Analytical Chemistry
May 27, 2011
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German researchers at Helmholtz-Zentrum Berlin have developed a new X-ray nanotomography microscope. Using their new system, they can reveal the structures on the smallest components of mammalian cells in three dimensions.
Nanophysics
Nov 19, 2010
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Nanoparticles show promise in solving a host of problems, from pinpointing medical diagnoses to developing alternative forms of energy and creating more durable materials. But scientists have yet to determine exactly how ...
Bio & Medicine
Nov 12, 2010
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(PhysOrg.com) -- Using a system of nanofluidic channels and multicolor fluorescence microscopy, a team of investigators at Cornell University has developed a method that analyzes the binding of DNA and DNA-binding proteins ...
Bio & Medicine
Mar 30, 2010
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(PhysOrg.com) -- The imaging of living cells at the molecular level was barely a dream twenty years ago. Today, however, this dream is close to becoming reality.
Nanomaterials
Mar 26, 2010
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It's been used to dye the Chicago River green on St. Patrick's Day. It's been used to find latent blood stains at crime scenes. And now researchers at Northwestern University have used it to examine the thinnest material ...
Nanomaterials
Dec 23, 2009
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Current methods of detecting breast cancer suffer from low sensitivity, limited spatial resolution, or the need to use complicated and expensive radioisotope-based technologies. A new report from investigators at the Emory-Georgia ...
Bio & Medicine
Jul 21, 2009
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(PhysOrg.com) -- A crucial tool in the evolution of scientific capability in bioscience, the fluorescence microscope has allowed a generation of scientists to study the properties of proteins inside cells. Yet as human capacity ...
Other
May 6, 2009
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