Shortly after a mouse embryo starts to form, some of its stem cells undergo a dramatic metabolic shift to enter the next stage of development, Seattle researchers report today. These stem cells start using and producing energy ...
Cell & Microbiology
Mar 23, 2012
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One in eight women in the United States will develop breast cancer. Of those, many will undergo surgery to remove the tumor and will require some kind of breast reconstruction afterward, often involving implants. Cancer is ...
Bio & Medicine
Mar 23, 2012
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A polymer is a mesh of chains, which slowly break over time due to the pressure from ordinary wear and tear. When a polymer is squeezed, the pressure breaks chemical bonds and produces free radicals: ions with unpaired electrons, ...
Polymers
Mar 2, 2012
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New research has established the "miracle material" called graphene as the world's thinnest known coating for protecting metals against corrosion. Their study on this potential new use of graphene appears in ACS Nano.
Nanomaterials
Feb 22, 2012
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A novel approach in the study of the development of mammalian embryos was today reported in the journal Nature Communications. The research, from the laboratory of Professor Magdalena Zernicka-Goetz of the University of Cambridge, ...
Cell & Microbiology
Feb 14, 2012
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A team of engineers and physicians have made a surprising discovery that offers a target for designing new materials for hip implants that are less susceptible to the joint's normal wear and tear.
Materials Science
Dec 22, 2011
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(PhysOrg.com) -- Pacemakers and other implanted medical devices require electric current to operate. Changing the battery requires an additional operation, which is an added stress on the patient. A Japanese team led by Eijiro ...
Nanophysics
Dec 1, 2011
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Researchers from North Carolina State University and Purdue University have shown that the semiconductor material gallium nitride (GaN) is non-toxic and is compatible with human cells – opening the door to the material's ...
Materials Science
Oct 24, 2011
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(PhysOrg.com) -- A brain implant developed at the University of Michigan uses the body's skin like a conductor to wirelessly transmit the brain's neural signals to control a computer, and may eventually be used to reactivate ...
Engineering
Jun 16, 2011
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Millions of Americans have implantable medical devices, from pacemakers and defibrillators to brain stimulators and drug pumps; worldwide, 300,000 more people receive them every year. Most such devices have wireless connections, ...
Engineering
Jun 13, 2011
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