CA2199494A1 - Optically readable strip for analyte detection having on-strip standard - Google Patents

Optically readable strip for analyte detection having on-strip standard

Info

Publication number
CA2199494A1
CA2199494A1 CA002199494A CA2199494A CA2199494A1 CA 2199494 A1 CA2199494 A1 CA 2199494A1 CA 002199494 A CA002199494 A CA 002199494A CA 2199494 A CA2199494 A CA 2199494A CA 2199494 A1 CA2199494 A1 CA 2199494A1
Authority
CA
Canada
Prior art keywords
strip
standard
reflectance
reaction zone
analyte detection
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
CA002199494A
Other languages
French (fr)
Other versions
CA2199494C (en
Inventor
David P. Matzinger
George M. Daffern
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.)
LifeScan Inc
Original Assignee
David P. Matzinger
George M. Daffern
Lifescan, Inc.
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 David P. Matzinger, George M. Daffern, Lifescan, Inc. filed Critical David P. Matzinger
Publication of CA2199494A1 publication Critical patent/CA2199494A1/en
Application granted granted Critical
Publication of CA2199494C publication Critical patent/CA2199494C/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
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/8483—Investigating reagent band
    • 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
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/52—Use of compounds or compositions for colorimetric, spectrophotometric or fluorometric investigation, e.g. use of reagent paper and including single- and multilayer analytical elements
    • 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
    • C12Q1/54—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving glucose or galactose
    • 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
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/52—Use of compounds or compositions for colorimetric, spectrophotometric or fluorometric investigation, e.g. use of reagent paper and including single- and multilayer analytical elements
    • G01N33/521—Single-layer analytical elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/8483—Investigating reagent band
    • G01N2021/8488—Investigating reagent band the band presenting reference patches

Abstract

A test strip is provided for having liquid applied thereto and for determining the presence or quantity of an analyte in such liquid.
Specifically, the test strip comprises a reaction zone which varies in reflectance as a function of the quantity of analyte present in the applied liquid. The strip is to be inserted into an optical reading apparatus. A
standard zone is positioned on the strip so as to lead the reaction zone as the strip is inserted into the reading apparatus. The apparatus may then be provided with optical means for sequentially determining the reflectance value of the standard zone as the strip is being inserted into its fully inserted position in the apparatus and the reflectance value of the reaction zone after the strip has been inserted. The apparatus is further provided with means for calculating the presence and/or quantity of analyte in question as a function of the standard zone reflectance and the reaction zone reflectance.
CA002199494A 1994-09-08 1995-09-08 Optically readable strip for analyte detection having on-strip standard Expired - Lifetime CA2199494C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US30216094A 1994-09-08 1994-09-08
US08/302,160 1994-09-08
PCT/US1995/012156 WO1996007908A1 (en) 1994-09-08 1995-09-08 Optically readable strip for analyte detection having on-strip standard

Publications (2)

Publication Number Publication Date
CA2199494A1 true CA2199494A1 (en) 1996-03-14
CA2199494C CA2199494C (en) 2007-11-06

Family

ID=23166523

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002199494A Expired - Lifetime CA2199494C (en) 1994-09-08 1995-09-08 Optically readable strip for analyte detection having on-strip standard

Country Status (15)

Country Link
US (1) US5780304A (en)
EP (1) EP0779984B1 (en)
JP (1) JP3488925B2 (en)
KR (1) KR100354581B1 (en)
CN (1) CN1109895C (en)
AT (1) ATE209355T1 (en)
AU (1) AU709992B2 (en)
CA (1) CA2199494C (en)
DE (1) DE69524108T2 (en)
DK (1) DK0779984T3 (en)
ES (1) ES2168389T3 (en)
MX (1) MX9701792A (en)
NO (1) NO319708B1 (en)
PT (1) PT779984E (en)
WO (1) WO1996007908A1 (en)

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