CA2296608A1 - Densitometer, test piece for the densitometer, biosensor system, and method for forming terminal of the test piece - Google Patents

Densitometer, test piece for the densitometer, biosensor system, and method for forming terminal of the test piece Download PDF

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Publication number
CA2296608A1
CA2296608A1 CA002296608A CA2296608A CA2296608A1 CA 2296608 A1 CA2296608 A1 CA 2296608A1 CA 002296608 A CA002296608 A CA 002296608A CA 2296608 A CA2296608 A CA 2296608A CA 2296608 A1 CA2296608 A1 CA 2296608A1
Authority
CA
Canada
Prior art keywords
test strip
measuring apparatus
densitometer
test piece
component
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
CA002296608A
Other languages
French (fr)
Other versions
CA2296608C (en
Inventor
Shoji Kawanaka
Yoshinobu Tokuno
Kohei Ishida
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.)
Arkray Inc
PHC 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
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Application filed by Individual filed Critical Individual
Publication of CA2296608A1 publication Critical patent/CA2296608A1/en
Application granted granted Critical
Publication of CA2296608C publication Critical patent/CA2296608C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G01N27/403—Cells and electrode assemblies
    • G01N27/414—Ion-sensitive or chemical field-effect transistors, i.e. ISFETS or CHEMFETS
    • 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
    • G01N27/3272—Test elements therefor, i.e. disposable laminated substrates with electrodes, reagent and channels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/483—Physical analysis of biological material
    • G01N33/487—Physical analysis of biological material of liquid biological material
    • G01N33/4875—Details of handling test elements, e.g. dispensing or storage, not specific to a particular test method
    • G01N33/48771—Coding of information, e.g. calibration data, lot number

Abstract

The present invention provides a test strip and concentration measuring apparatus, a biosensor system and a method for forming terminals of the test strip, whereby a component can be measured by fitting the test strip to the component. A type judgement electrode is provided separately from a positive electrode and a negative electrode in a measuring apparatus so as to judge the insertion of a test strip with the measuring apparatus. Thus only when a test strip matching the measuring apparatus is inserted, the type judgement electrode electrically connected to a terminal of the test strip, enabling the measuring apparatus to measure a component in a liquid test sample. A measuring apparatus detects a change in calibration curve information selection for selecting calibration curve information corresponding to a production lot of the test strip to compensate for error in a measured concentration value.
CA002296608A 1997-07-22 1998-07-15 Densitometer, test piece for the densitometer, biosensor system, and method for forming terminal of the test piece Expired - Lifetime CA2296608C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP9/195866 1997-07-22
JP19586697 1997-07-22
PCT/JP1998/003170 WO1999005516A1 (en) 1997-07-22 1998-07-15 Densitometer, test piece for the densitometer, biosensor system, and method for forming terminal of the test piece

Publications (2)

Publication Number Publication Date
CA2296608A1 true CA2296608A1 (en) 1999-02-04
CA2296608C CA2296608C (en) 2004-10-12

Family

ID=16348300

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002296608A Expired - Lifetime CA2296608C (en) 1997-07-22 1998-07-15 Densitometer, test piece for the densitometer, biosensor system, and method for forming terminal of the test piece

Country Status (16)

Country Link
US (2) US6599406B1 (en)
EP (5) EP2006669A3 (en)
JP (1) JP3859239B2 (en)
KR (1) KR100675463B1 (en)
CN (1) CN1129792C (en)
AT (1) ATE427483T1 (en)
AU (1) AU725457B2 (en)
BR (2) BR9810794B1 (en)
CA (1) CA2296608C (en)
DE (1) DE69840703D1 (en)
EA (1) EA002856B1 (en)
ES (1) ES2323393T3 (en)
NZ (1) NZ502011A (en)
PT (1) PT1024358E (en)
TR (1) TR200000200T2 (en)
WO (1) WO1999005516A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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US8888974B2 (en) 2002-07-02 2014-11-18 Panasonic Healthcare Holdings, Co., Ltd Biosensor, biosensor chip and biosensor device

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