Graphite electrode with modified surface

Details Graphite electrode with modified surface Graphite electrode with modified surface

1986-03-13

1989-06-06

Richman, Barry S.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204403, 204290R, 204 72, 128639, C25B 1112, G01N 2726, A61B 504

Patent

active

048369047

ABSTRACT:
An electrode has a graphite surface at least part of which is an edge-plane graphite surface to which Cr(III) complexes are attached by surface C--O groups. The graphite can be polished pyrolytic graphite. The complex coverage can be 5-20%. The complex may comprise proteins, enzyme substrates, specific binding agents, intermediate metabolites or the like, e.g. the protein plastocyanin, so that direct unmediated electrochemistry is possible at the electrode.

REFERENCES:
patent: 4655885 (1987-04-01), Hill et al.
patent: 4711245 (1987-12-01), Higgins et al.
Malpas (1981), J. Electroanal. Chem. 117:347-350.
Malpas (1982), J. Electroanal. Chem. 129:1987-1993.

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