CA2199491A1 - Optically readable strip for analyte detection having on-strip orientation index - Google Patents

Optically readable strip for analyte detection having on-strip orientation index

Info

Publication number
CA2199491A1
CA2199491A1 CA002199491A CA2199491A CA2199491A1 CA 2199491 A1 CA2199491 A1 CA 2199491A1 CA 002199491 A CA002199491 A CA 002199491A CA 2199491 A CA2199491 A CA 2199491A CA 2199491 A1 CA2199491 A1 CA 2199491A1
Authority
CA
Canada
Prior art keywords
strip
orientation index
analyte detection
optically readable
test strip
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
CA002199491A
Other languages
French (fr)
Other versions
CA2199491C (en
Inventor
Harshad I. Patel
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
Harshad I. Patel
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23168269&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2199491(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Harshad I. Patel, George M. Daffern, Lifescan, Inc. filed Critical Harshad I. Patel
Publication of CA2199491A1 publication Critical patent/CA2199491A1/en
Application granted granted Critical
Publication of CA2199491C publication Critical patent/CA2199491C/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
    • G01N21/86—Investigating moving sheets
    • 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
    • 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
    • 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
    • G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
    • G01N33/54366—Apparatus specially adapted for solid-phase testing
    • 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

Abstract

A test strip is provided for determining the presence or quantity of an analyte in a liquid by inserting the strip into an optical reading apparatus. The test strip is provided with an orientation index zone having a reflectance that contrasts with the reflectance of areas contiguous thereto and such orientation index zone is employed to affirm that the test strip has not been inserted upside down with respect to the apparatus.
CA002199491A 1994-09-08 1995-09-07 Optically readable strip for analyte detection having on-strip orientation index Expired - Lifetime CA2199491C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/302,560 1994-09-08
US08/302,560 US6335203B1 (en) 1994-09-08 1994-09-08 Optically readable strip for analyte detection having on-strip orientation index
PCT/US1995/012090 WO1996007907A1 (en) 1994-09-08 1995-09-07 Optically readable strip for analyte detection having on-strip orientation index

Publications (2)

Publication Number Publication Date
CA2199491A1 true CA2199491A1 (en) 1996-03-14
CA2199491C CA2199491C (en) 2007-06-05

Family

ID=23168269

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002199491A Expired - Lifetime CA2199491C (en) 1994-09-08 1995-09-07 Optically readable strip for analyte detection having on-strip orientation index

Country Status (15)

Country Link
US (3) US6335203B1 (en)
EP (1) EP0779983B2 (en)
JP (1) JP3452067B2 (en)
KR (1) KR100350821B1 (en)
CN (1) CN1134664C (en)
AT (1) ATE186780T1 (en)
AU (1) AU688979B2 (en)
CA (1) CA2199491C (en)
DE (1) DE69513409T2 (en)
DK (1) DK0779983T4 (en)
ES (1) ES2140712T5 (en)
GR (1) GR3032610T3 (en)
MX (1) MX9701791A (en)
NO (1) NO971011L (en)
WO (1) WO1996007907A1 (en)

Families Citing this family (165)

* Cited by examiner, † Cited by third party
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US6491870B2 (en) 2002-12-10
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ATE186780T1 (en) 1999-12-15
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CA2199491C (en) 2007-06-05

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