Sunday, April 1, 2012

Graphene Nanosensor Monitors Bacteria in Your Mouth

Graphene Nanosensor Monitors Bacteria in Your Mouth: Graphene-based-wireless-bacteria-detection
A team of scientists from Tufts University and Princeton University have developed a wireless bacteria detection technology which can be interfaced with a number of surfaces, including biological substrates, such as the enamel of a tooth.  The researchers used graphene to achieve a very high degree of sensitivity. By printing the graphene onto water soluble silk, the sensor could then be easily transferred to biological surfaces. A patterned resonator coil design on the printed sensor acts as a passive antenna to enable power and wireless communication with the sensor.
Most recently, the researchers have demonstrated their sensor by attaching it to a tooth for monitoring of respiration and bacteria detection in saliva.Their findings have  been reported in the March 27 online edition of Nature Communications.
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