Microbioelectrode and method of fabricating the same

Details Microbioelectrode and method of fabricating the same Microbioelectrode and method of fabricating the same

1991-10-22

1993-12-14

Niebling, John

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204415, 435817, 435288, G01N 2726

Patent

active

052699030

ABSTRACT:
Fine particles 1 of an electrically conductive material such as platinum black are being deposited electrolytically on the end surface of an electrically conductive material (base) such as platinum, with immersion of the conductive material in a solution containing both of a conductive material to produce porous deposition 1, e.g. platinum black, and a biofunctional material (biologically active substance) 2 such as an enzyme, so as to produce a microbioelectrode 7 having fine particle layer 1 and biologically active substance 2 incorporated therein, with significantly high surface area. This microbioelectrode can be compact in size and moreover, since the apparent surface area of the fine particles 1 of the conductive material is significantly large and a considerable amount of the biologically active material 2 can be incorporated and immobilized in the conductive fine particles 1, the intended trace target substance can be measured quickly and with high sensitivity even when it is in a trace amount of sample.

REFERENCES:
patent: 4545382 (1985-10-01), Higgins et al.
patent: 4970145 (1990-11-01), Bennetto et al.

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