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Nanotechnology / Bio & Medicine news 1234

Scientists overcome nanotech hurdle

August 13, 2008 | User rating: 4.3 / 5 after 18 vote(s) | User comments: 6

When you make a new material on a nanoscale how can you see what you have made? A team lead by a Biotechnology and Biological Sciences research Council (BBSRC) fellow has made a significant step toward overcoming this major ...


Carbon Nanotube-Coated Electrodes Improve Brain Readouts

August 12, 2008 | User rating: 4.5 / 5 after 20 vote(s) | User comments: 5

A research group has significantly improved the quality of brain-function measurements by coating metal neural electrodes with carbon nanotubes. Their work could potentially allow scientists to learn more ...


Nanoparticles Detect Telomerase Activity

July 24, 2008 | User rating: 4.3 / 5 after 12 vote(s) | User comments: 4

Telomerase, an enzyme that prevents chromosomes from shortening when they divide, is widely suspected of playing a key role in making cancer cells immortal. Though researchers have developed a variety of methods for measuring ...


Nanoparticles + light = dead tumor cells

July 29, 2008 | User rating: 4.5 / 5 after 33 vote(s) | User comments: 3

Medical physicists at the University of Virginia have created a novel way to kill tumor cells using nanoparticles and light. The technique, devised by Wensha Yang, an instructor in radiation oncology at the University of ...


Study Details How Platinum Nanocages 'Cook' Cancer Cells

August 15, 2008 | User rating: 4.9 / 5 after 20 vote(s) | User comments: 2

Platinum-based anticancer agents have a long history as proven therapeutic agents, but their toxicity and short lifetime in the body and the ability of tumors to develop resistance to these drugs limit the ultimate utility ...


Nanotechnology: Learning from past mistakes

July 21, 2008 | User rating: 3.6 / 5 after 5 vote(s) | User comments: 1

A new expert analysis in Nature Nanotechnology questions whether industry, government and scientists are successfully applying lessons learned from past technologies to ensure the safe and responsible development of ...


Slipping through cell walls, nanotubes deliver high-potency punch to cancer tumors in mice

August 14, 2008 | User rating: 4.6 / 5 after 18 vote(s) | User comments: 1

(PhysOrg.com) -- The problem with using a shotgun to kill a housefly is that even if you get the pest, you'll likely do a lot of damage to your home in the process. Hence the value of the more surgical flyswatter.