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Single-walled Carbon Nanotubes
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Single-walled Carbon Nanotubes

July 12, 2010
Single-walled carbon nanotubes can be used as electrical wires on the molecular scale. When a molecule is bound to such a wire, structural changes and chemical binding events modulate the current. The nanotube is sensitive to such events on a single molecule level. The device is used to track the time course of chemistry, molecular recognition, enzymatic activity and nano-catalysis. [Research supported by National Science Foundation grant EF 04-04057.] (Date of Image: July 2008)