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1. (WO1999013100) ELECTRODE WITH THIN WORKING LAYER

Pub. No.:    WO/1999/013100    International Application No.:    PCT/US1998/018275
Publication Date: Mar 18, 1999 International Filing Date: Sep 3, 1998
IPC: C12Q 1/00
G01N 27/30
G01N 33/487
Applicants: ABBOTT LABORATORIES
Inventors: FORROW, Nigel, J.,
DAYLIFF, Simon, W.
Title: ELECTRODE WITH THIN WORKING LAYER
Abstract:
Disclosed is an improved electrode for use in an electrochemical sensor for measuring an analyte in a sample. The electrode includes a thin working layer whose thickness is from 2 to 10 microns. Also disclosed is an electrode strip that includes an electrode with a thin working layer. Typically, the thin working layer includes an enzyme and a redox mediator. In an electrode for measuring glucose, the enzyme can be glucose oxidase and the redox mediator can be ferrocene.