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Swiss scientists demonstrate mind-controlled robot (Update)

(AP) -- Swiss scientists have demonstrated how a partially paralyzed person can control a robot by thought alone, a step they hope will one day allow immobile people to interact with their surroundings through ...

Technology / Hi Tech & Innovation

created Apr 24, 2012 | popularity 5 / 5 (4) | comments 0

New coating for hip implants could prevent premature failure

Every year, more than a million Americans receive an artificial hip or knee prosthesis. Such implants are designed to last many years, but in about 17 percent of patients who receive a total joint replacement, ...

Nanotechnology / Nanomaterials

created Apr 19, 2012 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Embryonic stem cells shift metabolism in cancer-like way upon implanting in uterus

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 ...

Biology / Cell & Microbiology

created Mar 23, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

'Bed-of-nails' breast implant deters cancer cells

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. ...

Nanotechnology / Bio & Medicine

created Mar 23, 2012 | popularity 3.9 / 5 (7) | comments 0 | with audio podcast

Squeezing polymers produces chemical energy but raises doubts about implant safety

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, ...

Chemistry / Polymers

created Mar 02, 2012 | popularity 3.7 / 5 (3) | comments 2 | with audio podcast

Graphene is thinnest known anti-corrosion coating

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 ...

Nanotechnology / Nanomaterials

created Feb 22, 2012 | popularity 4.7 / 5 (11) | comments 3 | with audio podcast

Scientists now able to view critical aspects of mammalian embryonic development using new technique

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 ...

Biology / Cell & Microbiology

created Feb 14, 2012 | popularity not rated yet | comments 0 | with audio podcast

Abbott cuts 700 jobs from device and testing unit

(AP) -- Medical device and drugmaker Abbott Laboratories said Wednesday it will lay off 700 employees as part of ongoing restructuring efforts.

Technology / Business

created Jan 25, 2012 | popularity not rated yet | comments 0

Lubricant in metal-on-metal hip implants found to be graphite, not proteins

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.

Chemistry / Materials Science

created Dec 22, 2011 | popularity 5 / 5 (4) | comments 4 | with audio podcast

Shine a light instead of changing the battery

(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 ...

Nanotechnology / Nanophysics

created Dec 01, 2011 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Cobblestones fool innate immunity

Coating the surface of an implant such as a new hip or pacemaker with nanosized metallic particles reduces the risk of rejection, and researchers at the University of Gothenburg, Sweden, can now explain why: they fool the ...

Nanotechnology / Bio & Medicine

created Nov 29, 2011 | popularity 5 / 5 (2) | comments 0

Shrimp-like crustacean found to make gooey underwater silk

(PhysOrg.com) -- Fritz Vollrath and colleagues from Oxford University have been analyzing the gooey material produced by tiny amphipods known as Crassicorophium bonellii, a small shrimp-like creature that p ...

Biology / Plants & Animals

created Nov 23, 2011 | popularity 4.7 / 5 (3) | comments 2 | with audio podcast report

Research finds gallium nitride is non-toxic, biocompatible - holds promise for implants

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 ...

Chemistry / Materials Science

created Oct 24, 2011 | popularity 5 / 5 (2) | comments 3 | with audio podcast

Nanotechnology holds promise for safer breast implants

A new review published in WIREs Nanomedicine and Nanobiotechnology explores how nanotechnology may be used to develop safer breast implants as an alternative to silicone rubber, minimizing health complications.

Nanotechnology / Bio & Medicine

created Oct 03, 2011 | popularity 5 / 5 (1) | comments 0

Cloaking magnetic fields: The first 'antimagnet' device developed

Spanish researchers have designed what they believe to be a new type of magnetic cloak, which shields objects from external magnetic fields, while at the same time preventing any magnetic internal fields from ...

Physics / General Physics

created Sep 23, 2011 | popularity 4.3 / 5 (15) | comments 14 | with audio podcast