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Is That Bacteria Dead Yet? Nano and Laser Technology Packed Into Small Device Tests Antibiotic Treatment in Minutes, Ecole Polytechnique Federale de Lausanne Study


7/1/2013 7:48:31 AM

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Researchers at EPFL have built a matchbox-sized device that can test for the presence of bacteria in a couple of minutes, instead of up to several weeks. A nano-lever vibrates in the presence of bacterial activity, while a laser reads the vibration and translates it into an electrical signal that can be easily read -- the absence of a signal signifies the absence of bacteria. Thanks to this method, it is quick and easy to determine if a bacteria has been effectively treated by an antibiotic, a crucial medical tool especially for resistant strains. Easily used in clinics, it could also prove useful for testing chemotherapy treatment.

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