University of Illinois researchers have shown that by tuning the properties of laser light illuminating arrays of metal nanoantennas, these nano-scale structures allow for dexterous optical tweezing as well as size-sorting ...
General Physics
Jan 12, 2012
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(PhysOrg.com) -- Not to pick up electrons, but tweezers made of electrons. A recent paper by researchers from the National Institute of Standards and Technology (NIST) and the University of Virginia (UVA) demonstrates that ...
General Physics
Nov 9, 2011
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Physicists at the Technische Universitaet Muenchen (TUM) are opening a new window into the life of biological cells, using a technique that lets them grab the ends of a single protein molecule and pull, making continuous, ...
General Physics
Oct 27, 2011
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Researchers at UC Santa Barbara have developed a new and highly efficient way to characterize the structure of polymers at the nanoscale – effectively designing a routine analytical tool that could be used by industries ...
General Physics
Oct 19, 2011
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(PhysOrg.com) -- Engineers at Harvard have created a device that may make it easier to isolate and study tiny particles such as viruses.
General Physics
Sep 26, 2011
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Scientists reveal in more detail than ever before how white blood cells kill diseased tissue using deadly granules, in research published today in PLoS Biology.
Cell & Microbiology
Sep 14, 2011
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(PhysOrg.com) -- The long running debate on whether cell phones are capable of damaging human tissue and causing health problems received new fuel from a paper published at arXiv by theoretical biologist Bill Bruno from Los ...
(PhysOrg.com) -- Simply stretching DNA can silence a gene, scientists at the UA have discovered. The finding could point to a previously unknown gene control mechanism.
Biotechnology
Mar 21, 2011
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Tiny gold particles are good for transferring heat and could be a promising tool for creating localized heating in, for example, a living cell. In new experiments, German researchers at the Niels Bohr Institute have measured ...
Nanomaterials
Jan 17, 2011
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Tractor beams, energy rays that can move objects, are a science fiction mainstay. But now they are becoming a reality -- at least for moving very tiny objects.
General Physics
Sep 8, 2010
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