Surface functionalized and derivatized electroactive polymers wi

Details Surface functionalized and derivatized electroactive polymers wi Surface functionalized and derivatized electroactive polymers wi

1991-10-04

1994-10-04

Naff, David M.

Chemistry: molecular biology and microbiology

Measuring or testing process involving enzymes or...

204403, 435 25, 435180, 435181, 435817, 436531, 436532, C12Q 100, C12Q 126, C12N 1108, G01N 33545

Patent

active

053525744

ABSTRACT:
New variants of electroactive and optoactive polymers are formed from the surface chemical modification and derivization of free-standing and substrate-supported polymer films. The free-standing or substrate-supported films are chemically modified at or near their surfaces to introduce hydrophilic and/or reactive functional groups, such as carboxylic acids, hydroxyls, and amines. Surface derivatization of the modified polymer film is achieved through the specific attachment of bioactive, immunoactive, electroactive, and catalytic agents to the surface of the electroactive or optoactive polymer film. In one embodiment, a polymer selected from polyacetylene, polypyrrole, polyanilane and polythiophene is modified to contain functional groups and an indicator reagent is covalently coupled to the functional groups. When an analyte in a sample reacts with the indicator reagent, electrical conductivity of the polymer is changed and presence of the analyte is indicated by the change in electrical conductivity.

REFERENCES:
patent: 4352884 (1982-06-01), Nakashima et al.
patent: 4371612 (1983-02-01), Matsumoto et al.
patent: 4622362 (1986-11-01), Rembaum
patent: 4721601 (1988-01-01), Wrighton et al.
patent: 4839017 (1989-06-01), Taniguchi et al.

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