Stanford researchers develop high-speed, low cost filter

Eco Factor: Quick clean the filter the water with electricity nanostructures

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Our world is facing the development of serious diseases such as cholera, typhoid and hepatitis through dirty, dangerous water. In an attempt to resolve the researchers Stanford University developed a new fast, cheap filter just plain cotton cloth immersed in high-tech silver broth full of carbon nanotubes and nanowires, which can be easily implemented for water purification.

Unlike conventional filters, which physically trap bacteria, a new filter allows them to flow through the water, but kill them using an electric field, that runs through the highly conductive nano-coated cotton. Their experience, a team of Escherichia coli exposed to 20 volts direct current in the filter for a few seconds. The result was surprising, more than 98 percent of bacteria killed during the process.

Scientists say that the new filter is about 80,000 times faster than conventional trapping bacteria. In order to provide a cheaper alternative in the world, the team used a very small quantity of silver nanowires, making the cost almost negligible. Current required to kill only a few milliamps strong, which can be easily supplied by a small solar panel or a couple 12-volt batteries.

By: Physorg Via: Stanford researchers develop high-speed, low cost filterRelated Posting Search Result:The use of stem cell research to help develop new routes RabbitsFor the first time, scientists were able to develop the whole joint from stem cells, although rabbits are not humans. ...Industry develops the first theme Canadas hemp composite bodied EVEco Factor: Zero emission electric car of a bio-composite materials. Motive Industries announced that the c...Children adopted by same-sex couples Thriving : ResearcherChildren adopted by gay or lesbian parents' development as well as adopted by heterosexual couples, a new study fo... Stanford researchers develop high-speed, low cost filterBy: blue63

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