Researchers at Harvard-affiliated McLean Hospital have shown a new category of "green" nanoparticles comprised of a non-toxic, protein-based nanotechnology that can non-invasively cross the blood brain barrier and is capable ...
Bio & Medicine
May 2, 2012
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One of the ways in which cancer cells evade anticancer therapy is by producing a protein that pumps drugs out of the cell before these compounds can exert their cell-killing effects. A research team at Northwestern University ...
Bio & Medicine
Jan 20, 2012
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Many imaging technologies and their contrast agents — chemicals used during scans to help detect tumors and other problems — involve exposure to radiation or heavy metals, which present potential health risks to ...
Bio & Medicine
Dec 23, 2011
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After demonstrating that light accurately detected pre-cancerous cells in the lining of the esophagus, Duke University bioengineers turned their technology to the colon and have achieved similar results in a series of preliminary ...
Biochemistry
Oct 11, 2011
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(PhysOrg.com) -- Swapping the chemical groups that originally coat iron oxide nanoparticles and making the particles soluble in biological solvents shows great promise for medical applications, such as drug delivery and contrast ...
Bio & Medicine
Aug 17, 2011
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A new family of contrast agents that sneak into bacteria disguised as glucose food can detect bacterial infections in animals with high sensitivity and specificity. These agents -- called maltodextrin-based imaging probes ...
Materials Science
Jul 18, 2011
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(PhysOrg.com) -- X-rays are not the only way: visible and especially infrared light can also be used to image human tissue. The effectiveness of optical imaging processes can be significantly improved with suitable dyes used ...
Bio & Medicine
Mar 23, 2011
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(PhysOrg.com) -- Diagnosis and treatment form the basis of modern medicine. Traditionally, they are two separate steps; however, it doesn’t have to be that way. The term “theranostic” refers to the combination ...
Bio & Medicine
Mar 1, 2011
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(PhysOrg.com) -- Nanoparticles play a significant role in the development of future diagnostic and therapeutic techniques for tumors, for example as transporters for drugs or as contrast agents. Absorption and dispersion ...
Bio & Medicine
Jan 11, 2011
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A nest for nanotubes may help magnetic resonance imaging become better than ever at finding evidence of disease.
Bio & Medicine
Nov 10, 2010
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