May 28 (Reuters) Swiss researchers are developing a 'nano' valve, can be controlled at the nanoscale micro pipeline in the activities of the individual particles, nanoparticles could be used to study the temperament, helping to develop new materials and drugs. The technology by the Swiss federal institute of technology in Zurich university research team development. Their communique said in a news release, the valves are suitable for a variety of particles, such as metal or semiconductor nanoparticles, virus particles, antibody molecules that can manipulate particles, only 10 nanometers in diameter in areas such as materials, chemical, and biological medicine have effective weapons. At the nanoscale, substance of temper and macro situation is not the same, can't use mechanical valve control its activity. Researchers on silicon etch supernarrow channels, from 300 to 500 nm in diameter will need to install the valve parts, install the electrode on the outside of the 'bottleneck'. Applying specific electric field, which can produces force to channel of the particles, decided whether it can through the bottleneck. Experimental performance, nanoparticles through the bottleneck, at ordinary times of pure water Industrial Valves in the closed state; Applying an electric field can make the particles through the bottleneck, proportionate to open the Industrial Valves. For the nanoparticles in the salt solution, things will, in turn, the valve is opened at ordinary times, after power up close. The exercise researchers with trigeminal pipeline valve, mix in all the way of two kinds of nanometer particles flow to different export, scattered. This means that design the response of the pipeline system and the electric field, can filter, filter particle of certain temperament. They also managed to individual particles guidance to the area between the two valves, locked in the narrow space, it can cut the interference of random particles move baidu optimization rankings, facilitate observation particle temper. Coherent papers published in the new issue of the British journal of nanotechnology, natural. This article by all standing Industrial Valves ( News) Editing and publishing
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