CA2069946A1 - Redox mediator reagent and biosensor - Google Patents

Redox mediator reagent and biosensor

Info

Publication number
CA2069946A1
CA2069946A1 CA2069946A CA2069946A CA2069946A1 CA 2069946 A1 CA2069946 A1 CA 2069946A1 CA 2069946 A CA2069946 A CA 2069946A CA 2069946 A CA2069946 A CA 2069946A CA 2069946 A1 CA2069946 A1 CA 2069946A1
Authority
CA
Canada
Prior art keywords
biosensor
reagent
redox mediator
analyte
electrodes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2069946A
Other languages
French (fr)
Other versions
CA2069946C (en
Inventor
Klaus H. Pollmann
Martin T. Gerber
Kent M. Kost
P. Douglas Walling
Joseph E. Bateson
M. Luann Ochs
Lance S. Kuhn
Chi-Neng A. Han
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Roche Diagnostics Operations Inc
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2069946A1 publication Critical patent/CA2069946A1/en
Application granted granted Critical
Publication of CA2069946C publication Critical patent/CA2069946C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
    • C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
    • C12Q1/001—Enzyme electrodes
    • C12Q1/004—Enzyme electrodes mediator-assisted
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00—Chemistry: molecular biology and microbiology
    • Y10S435/817—Enzyme or microbe electrode

Abstract

The invention provides an amperometric biosensor for detecting the concentration of an analyte in a fluid sample. The biosensor (1) has a working (4) and a counter electrode (5) fixed to an insulator material (7). A biosensor reagent (11) is placed in a well (9) so that is covers substantially all of the exposed surfaces (10) of the electrodes (4,5). For testing, a sample containing the analyte is added to the reagent well (9), the reaction allowed to go to completion, a potential difference applied to the electrodes (4,5) and the diffusion limited current is measured.
CA002069946A 1989-12-15 1990-12-14 Redox mediator reagent and biosensor Expired - Lifetime CA2069946C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US45167189A 1989-12-15 1989-12-15
US07/451,671 1989-12-15
PCT/US1990/007374 WO1991009139A1 (en) 1989-12-15 1990-12-14 Redox mediator reagent and biosensor

Publications (2)

Publication Number Publication Date
CA2069946A1 true CA2069946A1 (en) 1991-06-16
CA2069946C CA2069946C (en) 1999-01-26

Family

ID=23793225

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002069946A Expired - Lifetime CA2069946C (en) 1989-12-15 1990-12-14 Redox mediator reagent and biosensor

Country Status (10)

Country Link
US (1) US5288636A (en)
EP (1) EP0505494B1 (en)
JP (1) JP3171444B2 (en)
KR (1) KR0171222B1 (en)
AT (1) ATE124990T1 (en)
AU (1) AU634863B2 (en)
CA (1) CA2069946C (en)
DE (1) DE69020908T2 (en)
ES (1) ES2075955T3 (en)
WO (1) WO1991009139A1 (en)

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