Sensor device utilizing carbon nanotubes

Details Sensor device utilizing carbon nanotubes Sensor device utilizing carbon nanotubes

2008-03-11

2008-03-11

Lee, K. Richard (Department: 2832)

Electrical resistors

Resistance value responsive to a condition

Gas, vapor, or moisture absorbing or collecting

C338S014000, C436S169000, C205S501000

Reexamination Certificate

active

07342479

ABSTRACT:
Chemical sensors for detecting analytes in a fluid is disclosed. The chemical sensors include chemically sensitive resistors that utilize carbon nanotubes as a chemically sensitive element. The disclosed sensors additionally utilize polymers which selectively alter or inhibit the chemical sensitivity of the carbon nanotubes. Methods of preparing the sensors as well as methods of their use are also disclosed.

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U.S. Appl. No. 60/378,843, (Electronic Sensing of Biomolecular Processes), pp. 1-7, 4 drawing sheets (FIGs 1a-c and 2) filed May 8, 2002.
Collins, G. Philip, et al., “Extreme Oxygen Sensitivity of Electronic Properties of Carbon Nanotubes,” Science, 287:1801-1804, Mar. 10, 2000.
Cui, Yi, et al., “Nanowire Nanosensors for Highly Sensitiive and Selective Detection of Biological and Chemical Species,” Science, 293:1289-1292, Aug. 17, 2001.
King, Jing, et al., “Nanotube Molecular Wires as Chemical Sensors,” Science, 287:622-625, Jan. 28, 2000.

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