CA2236314A1 - Method and apparatus for correcting ambient temperature effect in biosensors - Google Patents

Method and apparatus for correcting ambient temperature effect in biosensors

Info

Publication number
CA2236314A1
CA2236314A1 CA002236314A CA2236314A CA2236314A1 CA 2236314 A1 CA2236314 A1 CA 2236314A1 CA 002236314 A CA002236314 A CA 002236314A CA 2236314 A CA2236314 A CA 2236314A CA 2236314 A1 CA2236314 A1 CA 2236314A1
Authority
CA
Canada
Prior art keywords
ambient temperature
biosensors
measured
analyte concentration
temperature effect
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
CA002236314A
Other languages
French (fr)
Other versions
CA2236314C (en
Inventor
Dijia Huang
Brenda L. Tudor
Kin-Fai Yip
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.)
Bayer Healthcare LLC
Original Assignee
Bayer Corp
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 Bayer Corp filed Critical Bayer Corp
Publication of CA2236314A1 publication Critical patent/CA2236314A1/en
Application granted granted Critical
Publication of CA2236314C publication Critical patent/CA2236314C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C12Q1/005—Enzyme electrodes involving specific analytes or enzymes
    • C12Q1/006—Enzyme electrodes involving specific analytes or enzymes for glucose
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/28—Electrolytic cell components
    • G01N27/30—Electrodes, e.g. test electrodes; Half-cells
    • G01N27/327—Biochemical electrodes, e.g. electrical or mechanical details for in vitro measurements
    • G01N27/3271—Amperometric enzyme electrodes for analytes in body fluids, e.g. glucose in blood
    • G01N27/3274—Corrective measures, e.g. error detection, compensation for temperature or hematocrit, calibration
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/14—Heterocyclic carbon compound [i.e., O, S, N, Se, Te, as only ring hetero atom]
    • Y10T436/142222—Hetero-O [e.g., ascorbic acid, etc.]
    • Y10T436/143333—Saccharide [e.g., DNA, etc.]
    • Y10T436/144444—Glucose

Abstract

A method and apparatus are provided for correcting ambient temperature effect in biosensors. An ambient temperature value is measured. A sample is applied to the biosensors, then a current generated in the test sample is measured. An observed analyte concentration value is calculated from the current through a standard response curve. The observed analyte concentration is then modified utilizing the measured ambient temperature value to thereby increase the accuracy of the analyte determination. The analyte concentration value can be calculated by solving the following equation:
CA002236314A 1997-05-12 1998-04-29 Method and apparatus for correcting ambient temperature effect in biosensors Expired - Fee Related CA2236314C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/854,440 1997-05-12
US08/854,440 US6391645B1 (en) 1997-05-12 1997-05-12 Method and apparatus for correcting ambient temperature effect in biosensors

Publications (2)

Publication Number Publication Date
CA2236314A1 true CA2236314A1 (en) 1998-11-12
CA2236314C CA2236314C (en) 2004-02-10

Family

ID=25318702

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002236314A Expired - Fee Related CA2236314C (en) 1997-05-12 1998-04-29 Method and apparatus for correcting ambient temperature effect in biosensors

Country Status (11)

Country Link
US (1) US6391645B1 (en)
EP (3) EP2264451A1 (en)
JP (1) JP4124513B2 (en)
AT (1) ATE424558T1 (en)
AU (1) AU729232B2 (en)
CA (1) CA2236314C (en)
DE (1) DE69840614D1 (en)
DK (1) DK0878713T3 (en)
ES (1) ES2321348T3 (en)
NZ (1) NZ329792A (en)
TW (1) TW565695B (en)

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Also Published As

Publication number Publication date
DE69840614D1 (en) 2009-04-16
NZ329792A (en) 1999-02-25
CA2236314C (en) 2004-02-10
EP0878713B1 (en) 2009-03-04
DK0878713T3 (en) 2009-06-02
ES2321348T3 (en) 2009-06-04
EP2048499A1 (en) 2009-04-15
EP0878713A2 (en) 1998-11-18
EP0878713A3 (en) 2004-06-23
EP2264451A1 (en) 2010-12-22
US6391645B1 (en) 2002-05-21
JP4124513B2 (en) 2008-07-23
TW565695B (en) 2003-12-11
JPH10318963A (en) 1998-12-04
ATE424558T1 (en) 2009-03-15
AU729232B2 (en) 2001-01-25
AU6481898A (en) 1998-11-12

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Effective date: 20070430