An elaborate system of leads spreads across our hearts. These leads – the heart's electrical system – control our pulse and coordinate contraction of the heart chambers. While the structure of the human heart has been ...
Other
Sep 14, 2012
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(Phys.org)—Nanoengineers at the University of California, San Diego have developed a novel technology that can fabricate, in mere seconds, microscale three dimensional (3D) structures out of soft, biocompatible hydrogels. ...
Nanophysics
Sep 13, 2012
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Fluorescent nanoparticles loaded with organic light-emitting dyes are expected to transform live-animal imaging technologies. Compared to inorganic quantum dots, these optically stable materials are non-toxic and can easily ...
Bio & Medicine
Jul 18, 2012
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(Phys.org) -- The vast majority of cells that appear to be on a one-way track to death after exposure to toxins can bounce back completely after those toxins are removed, Johns Hopkins scientists report in a new study. The ...
Cell & Microbiology
Jul 3, 2012
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Cambridge researchers have developed a new technique for measuring and mapping gene and cell activity through fluorescence in living plant tissue.
Cell & Microbiology
Apr 5, 2012
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(PhysOrg.com) -- A new method for creating nanofibers made of proteins, developed by researchers at Polytechnic Institute of New York University (NYU-Poly), promises to greatly improve drug delivery methods for the treatment ...
Nanomaterials
Feb 29, 2012
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Imagine if there were electronics able to prevent epileptic seizures before they happen. Or electronics that could be placed on the surface of a beating heart to monitor its functions. The problem is that such devices are ...
Engineering
Jan 30, 2012
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Bionic eyes and limbs made television's six million dollar man an icon, but new research suggests our existing biological structure already exhibits a valuable electrical property. Scientists have found that arteries react ...
General Physics
Jan 30, 2012
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(PhysOrg.com) -- Damaged human heart muscle cannot be regenerated. Scar tissue grows in place of the damaged muscle cells. Scientists from the Max Planck Institute for Heart and Lung Research in Bad Nauheim are seeking to ...
Biochemistry
Jan 30, 2012
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Damaged heart tissue is not known for having much inherent capacity for repair. But now, scientists are closing in on signals that may be able to coax the heart into producing replacement cardiac muscle cells. Using a zebrafish ...
Biochemistry
Dec 22, 2011
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