Oxygen electrode, biosensor and processes for manufacturing same

Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing liquid or solid sample

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Details

422 8202, 4352875, 4352877, 435817, G01N 27404

Patent

active

055891330

ABSTRACT:
An oxygen electrode comprising a plastic sheet, two or three electrode patterns formed on the plastic sheet, a paraffin layer formed on the peripheral portion of the plastic sheet for delineating a sensitive area, a carrier sheet impregnated with an electrolyte and placed on the central portion or the sensitive area of the plastic sheet, and a gas permeable membrane covering the carrier sheet and the paraffin layer. A biosensor may be also provided by further providing a microorganism or enzyme-immobilized layer on the gas permeable membrane of the above oxygen electrode.

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patent: 4975175 (1990-10-01), Karube et al.
patent: 4999582 (1991-03-01), Parks et al.
patent: 5001048 (1991-03-01), Taylor et al.
patent: 5156810 (1992-10-01), Ribi

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