The body's immune system exists to identify and destroy foreign objects, whether they are bacteria, viruses, flecks of dirt or splinters. Unfortunately, nanoparticles designed to deliver drugs, and implanted devices like ...
Bio & Medicine
Feb 21, 2013
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(Phys.org)—Carbon nanotubes resemble asbestos fibers in their form. Unfortunately, long, pure nanotubes also seem to have asbestos-like pathogenicity. In the journal Angewandte Chemie, a European research team has now reported ...
Nanomaterials
Jan 21, 2013
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The Wip1 protein is important for survival, but mutations that inactivate it carry some surprising features. "A lack of Wip1 results in an excessive immune reaction to infectious organisms, in some cases killing the host," ...
Cell & Microbiology
Dec 19, 2012
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(Phys.org)—Scientists at The Scripps Research Institute (TSRI) have discovered the first selective inhibitors of an important set of enzymes. The new inhibitors, and chemical probes based on them, now can be used to study ...
Biochemistry
Oct 31, 2012
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(Phys.org)—Macrophages are heavy hitters of the immune system. Their name literally means "to eat large objects." They are critical members of the body's defense team, such as in the lungs where they ingest invading microorganisms ...
Cell & Microbiology
Oct 5, 2012
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One of the challenges in treating cancer, whether using nanotechnology or not, is that tumors can often be inaccessible to the therapies designed to kill them. Mostafa El-Sayed, of the Georgia Institute of Technology, and ...
Bio & Medicine
Aug 17, 2012
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A new computational model developed by a team of Virginia Tech researchers and published in PLoS Computational Biology provides a framework to better understand responses of macrophage cells of the human immune system.
Biotechnology
Jun 25, 2012
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Researchers at Cambridge University have shed new light on a common food poisoning bug. Using real-time video microscopy, coupled with mathematical modelling, they have changed our assumptions about Salmonella and how it ...
Cell & Microbiology
Apr 25, 2012
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Scientists have found why a certain type of bacteria, harmless in healthy people, is so deadly to patients with cystic fibrosis.
Cell & Microbiology
Apr 23, 2012
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The theory that pigeons' famous skill at navigation is down to iron-rich nerve cells in their beaks has been disproved by a new study published in Nature.
Plants & Animals
Apr 11, 2012
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