All Articles Tagged As: nanotech
A hard probe inserted in the cerebral cortex of a rat model turns nearly as pliable as the surrounding gray matter in minutes, and induces less of the tough scarring that walls off hard probes that do not change, researchers at Case Western Reserve University have found.
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An international team of researchers has invented new artificial muscles strong enough to rotate objects a thousand times their own weight, but with the same flexibility of an elephant's trunk or octopus limbs.
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 | Penn researchers have helped develop a nanotech device that combines carbon nanotubes with olfactory receptor proteins, the cell components in the nose that detect odors. ...> Full Article |
 | A new biomaterial designed for repairing damaged human tissue doesn't wrinkle up when it is stretched. The invention from nanoengineers at the University of California, San Diego marks a significant breakthrough in tissue engineering because it more closely mimics the properties of native human tissue. ...> Full Article |
 | A University of Oregon researcher is on a quest to grow flowers that will help people who've lost their sight by designing nano-sized flowers whose fractal shapes on implants will engage with neurons to carry light to the optic nerve. ...> Full Article |
A new chemical bonding process can add new functions to stainless steel and make it a more useful material for implanted biomedical devices. Developed by an interdisciplinary team at the University of Alberta and Canada's National Institute for Nanotechnology, this new process was developed to address some of the problems associated with the introduction of stainless steel into the human body.
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 | Researchers at Brown University have created nanoscale surfaces for implanted materials that mimic the contours of natural skin. The surfaces attract skin cells that, over time, are shown to build a natural seal against bacterial invasion. The group also created a molecular chain that allows an implant surface to be covered with skin cell-growing proteins, further accelerating skin growth. Results are published in the Journal of Biomedical Materials Research A. ...> Full Article |
 | Clusters of heated, magnetic nanoparticles targeted to cell membranes can remotely control ion channels, neurons and even animal behavior, according to a paper published by University at Buffalo physicists in Nature Nanotechnology. ...> Full Article |
 | A multidisciplinary team of researchers from UCLA, UC Merced, the Pennsylvania State University, Northwestern University, and Japan have observed single-molecule interactions of rotaxanes functioning in their native environment. The team, in research published in the journal ACS Nano, developed a molecular design that firmly attached rotaxanes to a surface, enabling them to be individually examined in their native environment by a scanning tunneling microscope. ...> Full Article |
Mimicking the human nervous system for bionic applications could become a reality with the help of a method developed at Oak Ridge National Laboratory to process carbon nanotubes.
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Using a nanoparticle core, Jie Song, Ph.D., assistant professor at the University of Massachusetts Medical School, has fashioned a new type of tissue and bone scaffolding polymer that addresses a number of long-standing limitations. Research published in Proceedings of the National Academy of Sciences, describes the development of a class of heat-activated smart materials that combine tissue-like properties and strength that are clinically safe to deploy and able to integrate with surrounding tissue.
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 | The popular dietary supplement vitamin E, loaded into special medicated contact lenses, can keep glaucoma medicine near the eye -- where it can treat that common disease -- almost 100 times longer than possible with current commercial lenses, scientists reported here today at the 239th National Meeting of the American Chemical Society. ...> Full Article |
Current body protheses do not last more than 10-15 years. After this time, the operation has to be repeated in order to change prothesis. It is usually problematic as, in general, it is elderly people that use the procedure. Researcher Nere Garmendia, based in the Basque city of Donostia-San Sebastian, has just published her Ph.D., a thesis which may well mean the first step to solving this problem.
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 | The folks who introduced the world to tiny robots demonstrating soccer skills are creating the next level of friendly competition designed to advance microrobotics. The National Institute of Standards and Technology, in collaboration with IEEE, is inviting university and collegiate student teams to participate in the 2010 NIST Mobile Microrobotics Challenge in May 2010. ...> Full Article |
 | Brain implants that can more clearly record signals from surrounding neurons in rats have been created at the University of Michigan. The findings could eventually lead to more effective treatment of neurological disorders such as Parkinson's disease and paralysis. ...> Full Article |
Soft and tough like biological tissue: DNA-wrapped carbon nanotubes
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Biomedical and materials engineers at the University of Michigan have developed a nanotech coating for brain implants that helps the devices operate longer and could improve treatment for deafness, paralysis, blindness, epilepsy and Parkinson's disease.
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Research done by scientists in Italy and Switzerland has shown that carbon nanotubes may be the ideal "smart" brain material. Their results, published Dec. 21 in the advance online edition of the journal Nature Nanotechnology, are a promising step forward in the search to find ways to "bypass" faulty brain wiring.
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Computer science professor and colleagues' creations dance on something smaller than a pin's head
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 | Recent study could lead to new materials that will mimic biological tissues and artificial muscles. ...> Full Article |
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