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Home > News > Protein recognition tapped to build nanotube FETs

January 8th, 2004

Protein recognition tapped to build nanotube FETs

Molecular self-assembly assisted by DNA and protein recognition might provide a route to complex logic and memory circuits built with nanotubes, a project in Haifa, Israel, suggests. The project at the Technion-Israel Institute of Technology has so far fabricated a field-effect transistor on a silicon substrate consisting of a single-walled carbon nanotube attached to gold electrodes. A DNA “scaffold” was used to precisely align the nanotube on the substrate, and an array of proteins attached to the nanotube provided a mask for building attached gold electrodes.


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