A team of researchers from three medical institutions in Guangzhou, China, have found that iron oxide nanoparticles (INOPS) are a useful contrast agent for in vivo magnetic resonance tracking of transplanted human endothelial ...
Bio & Medicine
Dec 20, 2012
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(Phys.org) -- Researchers at the National Institute of Standards and Technology (NIST) and the University of Massachusetts Amherst (UMass) have provided the first evidence that engineered nanoparticles are able to accumulate ...
Bio & Medicine
Apr 18, 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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(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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(PhysOrg.com) -- Many rockets, satellites, and spacecraft are driven by hydrazine, sometimes with an oxidizing agent like nitric acid or dinitrogen tetroxide. When filling tanks with these highly toxic substances, technicians ...
Materials Science
May 27, 2011
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Researchers at Oregon State University have found a way to use magnetic "nanobeads" to help detect chemical and biological agents, with possible applications in everything from bioterrorism to medical diagnostics, environmental ...
Nanophysics
Apr 26, 2011
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(PhysOrg.com) -- Researchers at MIT, the Japan Synchrotron Radiation Research Institute (JASRI), and the University of California at Davis have succeeded in characterizing the dinitrosyl iron complexes (DNICs) produced during ...
Biochemistry
Dec 7, 2010
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When researchers tested three different labeling agents on three different stem cell populations to determine what effect the labeling agents had on stem cell phenotype, biological behavior and migration abilities, they found ...
Cell & Microbiology
Nov 1, 2010
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Researchers in Freiburg, Germany, have developed a highly-sensitive, miniaturized mobile ozone sensor which can be used not only in air, but also in water and in the vicinity of explosive gases.
Engineering
Jan 18, 2010
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