Many plants produce compounds that serve as a defense against predators or pathogens. Some are also used by humans for a variety of beneficial purposes, such as in medicines. As recently as the early 1990s, a unique class ...
Cell & Microbiology
Dec 12, 2011
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(PhysOrg.com) -- Researchers are making progress in developing a system that measures the mechanical properties of living cells, a technology that could be used to diagnose human disease and better understand biological processes.
Bio & Medicine
Nov 21, 2011
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Upconversion emission materials are ideal for bioimaging due to its effectiveness as contrast agents for the detection of cancer cells, more so when the background emission of non-cancerous tissues can be minimised. These ...
Nanomaterials
Nov 14, 2011
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(PhysOrg.com) -- Solar cells, the heart of the photovoltaic industry, must be tested for mechanical strength, oxidized, annealed, purified, diffused, etched, and layered.
Energy & Green Tech
Oct 25, 2011
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(PhysOrg.com) -- A group of researchers working in Japan has devised a means of creating dual segmented nanotubes where each segment has separate and distinct semiconducting properties. The team describes how they were able ...
As microbes grow increasingly resistant to existing antibiotics, scientists are looking in new directions for drug development. A new paper, published Oct. 19 in the online journal PLoS ONE, reports the synthesis and testing ...
Biochemistry
Oct 20, 2011
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Fifteen small sundew plants perch on a window sill, collecting sunlight and eating meat in the lab of Mingjun Zhang on the University of Tennessee's Knoxville campus. Sundew plants are carnivores, consuming insects by capturing ...
Bio & Medicine
Oct 18, 2011
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"It's not brain surgery" is a phrase often uttered to dismiss a job's difficulty, but when the task actually is removing a brain tumor, even the slightest mistake could have serious health consequences. To help surgeons in ...
Bio & Medicine
Oct 12, 2011
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Scientists have discovered how cells detect tissue damage and modify their repair properties accordingly. The findings, published today [6 October] in the journal Developmental Cell, could open up new opportunities for improving ...
Biochemistry
Oct 6, 2011
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(PhysOrg.com) -- Two Lehigh physicists have developed an imaging technique that makes it possible to directly observe light-emitting excitons as they diffuse in a new material that is being explored for its extraordinary ...
General Physics
Aug 12, 2011
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