Nanotube Biosensor Layered Like Lasagna.

Yuehe Lin and Guodong Liu of the Pacific Northwest National Laboratory have developed a technique to force a variety of enzymes to self-assemble layer-by-layer on a carbon nanotube. In the future, this technique may be used to develop an ultra sensitive "biosensor layered like a lasagna":

One promising application of carbon nanotubes (CNTs) involves their use in the construction of chemical sensors and biosensors. In the present work, highly sensitive amperometric biosensors for glucose, choline, organophosphate pesticides and nerve agents based on self-assembly of enzymes on CNT electrode have been developed.

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