CA2347594A1 - Glucose sensor - Google Patents

Glucose sensor Download PDF

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Publication number
CA2347594A1
CA2347594A1 CA002347594A CA2347594A CA2347594A1 CA 2347594 A1 CA2347594 A1 CA 2347594A1 CA 002347594 A CA002347594 A CA 002347594A CA 2347594 A CA2347594 A CA 2347594A CA 2347594 A1 CA2347594 A1 CA 2347594A1
Authority
CA
Canada
Prior art keywords
base plate
reaction layer
glucose sensor
electrode
electrode system
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
CA002347594A
Other languages
French (fr)
Other versions
CA2347594C (en
Inventor
Motokazu Watanabe
Keiko Yugawa
Toshihiko Yoshioka
Shiro Nankai
Junko Nakayama
Shoji Miyazaki
Hideyuki Baba
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.)
PHC Holdings Corp
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 CA2347594A1 publication Critical patent/CA2347594A1/en
Application granted granted Critical
Publication of CA2347594C publication Critical patent/CA2347594C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • C12Q1/005—Enzyme electrodes involving specific analytes or enzymes
    • C12Q1/006—Enzyme electrodes involving specific analytes or enzymes for glucose

Abstract

The present invention provides a high-performance glucose sensor having excellent storage stability and an improved response characteristic. This sensor comprises:
an electrically insulating base plate; an electrode system including at least a working electrode and a counter electrode formed on the base plate; and a reaction layer containing at least pyrrolo-quinoline quinone dependent glucose dehydrogenase, formed in contact with or in the vicinity of the electrode system, and the reaction layer contains at least one kind of additive selected from the group consisting of gluconic acid and salts thereof.
CA002347594A 1999-10-05 2000-10-02 Glucose sensor Expired - Lifetime CA2347594C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP28487199 1999-10-05
JP11/284871 1999-10-05
PCT/JP2000/006853 WO2001025776A1 (en) 1999-10-05 2000-10-02 Glucose sensor

Publications (2)

Publication Number Publication Date
CA2347594A1 true CA2347594A1 (en) 2001-04-12
CA2347594C CA2347594C (en) 2006-11-28

Family

ID=17684126

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002347594A Expired - Lifetime CA2347594C (en) 1999-10-05 2000-10-02 Glucose sensor

Country Status (8)

Country Link
US (1) US7005048B1 (en)
EP (1) EP1146332B8 (en)
JP (1) JP3867959B2 (en)
CN (1) CN1184472C (en)
AT (1) ATE313790T1 (en)
CA (1) CA2347594C (en)
DE (1) DE60024965T2 (en)
WO (1) WO2001025776A1 (en)

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Also Published As

Publication number Publication date
CA2347594C (en) 2006-11-28
WO2001025776A1 (en) 2001-04-12
DE60024965D1 (en) 2006-01-26
CN1327536A (en) 2001-12-19
EP1146332B8 (en) 2006-06-07
EP1146332A4 (en) 2004-05-12
ATE313790T1 (en) 2006-01-15
CN1184472C (en) 2005-01-12
DE60024965T2 (en) 2006-07-13
EP1146332B1 (en) 2005-12-21
US7005048B1 (en) 2006-02-28
JP3867959B2 (en) 2007-01-17
EP1146332A1 (en) 2001-10-17

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