WO2002022855A3 - Test-strips with positively charged membranes for tetrazolium based assays - Google Patents

Test-strips with positively charged membranes for tetrazolium based assays Download PDF

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Publication number
WO2002022855A3
WO2002022855A3 PCT/US2001/028169 US0128169W WO0222855A3 WO 2002022855 A3 WO2002022855 A3 WO 2002022855A3 US 0128169 W US0128169 W US 0128169W WO 0222855 A3 WO0222855 A3 WO 0222855A3
Authority
WO
WIPO (PCT)
Prior art keywords
analyte
test strips
positively charged
strips
sample
Prior art date
Application number
PCT/US2001/028169
Other languages
French (fr)
Other versions
WO2002022855A2 (en
Inventor
Tianmei Ouyang
Yeung Siu Yu
Original Assignee
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
Priority to CA002422010A priority Critical patent/CA2422010A1/en
Application filed by Lifescan Inc filed Critical Lifescan Inc
Priority to AT01968705T priority patent/ATE310832T1/en
Priority to JP2002527297A priority patent/JP2004509618A/en
Priority to IL15471301A priority patent/IL154713A0/en
Priority to AU8893501A priority patent/AU8893501A/en
Priority to KR10-2003-7003589A priority patent/KR20030065475A/en
Priority to EP01968705A priority patent/EP1317563B1/en
Priority to DE60115261T priority patent/DE60115261T2/en
Priority to MXPA03002078A priority patent/MXPA03002078A/en
Publication of WO2002022855A2 publication Critical patent/WO2002022855A2/en
Publication of WO2002022855A3 publication Critical patent/WO2002022855A3/en
Priority to NO20031116A priority patent/NO20031116L/en
Priority to HK03106177A priority patent/HK1053856A1/en

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
    • C12Q1/26—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving oxidoreductase
    • 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
    • G01N33/523—Single-layer analytical elements the element being adapted for a specific analyte
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00—Chemistry: molecular biology and microbiology
    • Y10S435/975—Kit

Abstract

Test strips and methods for their use in the detection of an analyte in a sample are provided. The subject test strips are characterized by at least including a water soluble tetrazolium salt on a surface of a positively charged substrate. In many embodiments, the water soluble tetrazolium salt is present as part of an analyte oxidizing signal producing system, which system includes one or more of the following additional components: an analyte oxidizing enzyme, e.g., an analyte dehydrogenase or an analyte oxidase; an electron transfer agent; and an enzyme cofactor. Also provided are systems and kits incorporating the subject test strips. The subject test strips, systems and kits find use in the measurement of a wide variety of analytes in a sample, such as a physiological sample, e.g., blood or a fraction thereof.
PCT/US2001/028169 2000-09-12 2001-09-07 Test-strips with positively charged membranes for tetrazolium based assays WO2002022855A2 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
KR10-2003-7003589A KR20030065475A (en) 2000-09-12 2001-09-07 Test strips with positively charged membranes for tetrazolium based assays
AT01968705T ATE310832T1 (en) 2000-09-12 2001-09-07 TEST STRIPS WITH POSITIVELY CHARGED MEMBRANES FOR TETRAZOLIUM BASED ASSAY
JP2002527297A JP2004509618A (en) 2000-09-12 2001-09-07 Test strip for detecting the presence of reduced cofactors in a sample and methods of use thereof
IL15471301A IL154713A0 (en) 2000-09-12 2001-09-07 Test strips for detecting the presence of a reduced cofactor in a sample and methods for using the same
AU8893501A AU8893501A (en) 2000-09-12 2001-09-07 Test strips for detecting the presence of a reduced cofactor in a sample and methods for using the same
CA002422010A CA2422010A1 (en) 2000-09-12 2001-09-07 Test strips for detecting the presence of a reduced cofactor in a sample and methods for using the same
EP01968705A EP1317563B1 (en) 2000-09-12 2001-09-07 Test-strips with positively charged membranes for tetrazolium based assays
DE60115261T DE60115261T2 (en) 2000-09-12 2001-09-07 TEST STRIPS WITH POSITIVE-LOADED MEMBRANES FOR TETRAZOLIUM BASED ASSAYS
MXPA03002078A MXPA03002078A (en) 2000-09-12 2001-09-07 Test-strips with positively charged membranes for tetrazolium based assays.
NO20031116A NO20031116L (en) 2000-09-12 2003-03-11 Test strips for detecting the presence of a reduced cofactor in a sample and methods for using them
HK03106177A HK1053856A1 (en) 2000-09-12 2003-08-28 Test-strips with positively charged membranes for tetrazolium based assays

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/659,938 US6420128B1 (en) 2000-09-12 2000-09-12 Test strips for detecting the presence of a reduced cofactor in a sample and method for using the same
US09/659,938 2000-09-12

Publications (2)

Publication Number Publication Date
WO2002022855A2 WO2002022855A2 (en) 2002-03-21
WO2002022855A3 true WO2002022855A3 (en) 2002-07-18

Family

ID=24647453

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/028169 WO2002022855A2 (en) 2000-09-12 2001-09-07 Test-strips with positively charged membranes for tetrazolium based assays

Country Status (21)

Country Link
US (2) US6420128B1 (en)
EP (1) EP1317563B1 (en)
JP (1) JP2004509618A (en)
KR (1) KR20030065475A (en)
CN (1) CN1561397A (en)
AR (1) AR030650A1 (en)
AT (1) ATE310832T1 (en)
AU (1) AU8893501A (en)
CA (1) CA2422010A1 (en)
CZ (1) CZ2003705A3 (en)
DE (1) DE60115261T2 (en)
DK (1) DK1317563T3 (en)
ES (1) ES2250472T3 (en)
HK (1) HK1053856A1 (en)
IL (1) IL154713A0 (en)
MX (1) MXPA03002078A (en)
MY (1) MY119106A (en)
NO (1) NO20031116L (en)
PL (1) PL363222A1 (en)
RU (1) RU2288273C2 (en)
WO (1) WO2002022855A2 (en)

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Also Published As

Publication number Publication date
JP2004509618A (en) 2004-04-02
KR20030065475A (en) 2003-08-06
NO20031116L (en) 2003-05-09
PL363222A1 (en) 2004-11-15
NO20031116D0 (en) 2003-03-11
RU2288273C2 (en) 2006-11-27
MXPA03002078A (en) 2003-06-24
CZ2003705A3 (en) 2004-01-14
DK1317563T3 (en) 2006-03-20
US6420128B1 (en) 2002-07-16
AR030650A1 (en) 2003-08-27
CN1561397A (en) 2005-01-05
DE60115261D1 (en) 2005-12-29
DE60115261T2 (en) 2006-07-27
MY119106A (en) 2005-03-31
AU8893501A (en) 2002-03-26
ATE310832T1 (en) 2005-12-15
EP1317563B1 (en) 2005-11-23
IL154713A0 (en) 2003-10-31
ES2250472T3 (en) 2006-04-16
US20020132282A1 (en) 2002-09-19
HK1053856A1 (en) 2003-11-07
CA2422010A1 (en) 2002-03-21
EP1317563A2 (en) 2003-06-11
WO2002022855A2 (en) 2002-03-21

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