WO2003085372A3 - Biosensor membranes composed of polymers containing heterocyclic nitrogens - Google Patents

Biosensor membranes composed of polymers containing heterocyclic nitrogens Download PDF

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Publication number
WO2003085372A3
WO2003085372A3 PCT/US2002/015707 US0215707W WO03085372A3 WO 2003085372 A3 WO2003085372 A3 WO 2003085372A3 US 0215707 W US0215707 W US 0215707W WO 03085372 A3 WO03085372 A3 WO 03085372A3
Authority
WO
WIPO (PCT)
Prior art keywords
membranes
containing heterocyclic
polymers containing
membranes composed
heterocyclic nitrogens
Prior art date
Application number
PCT/US2002/015707
Other languages
French (fr)
Other versions
WO2003085372A8 (en
WO2003085372A2 (en
Inventor
Fei Mao
Hyun Cho
Original Assignee
Therasense 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 Therasense Inc filed Critical Therasense Inc
Priority to DE60226497T priority Critical patent/DE60226497D1/en
Priority to AU2002367855A priority patent/AU2002367855B2/en
Priority to EP02806821A priority patent/EP1466156B1/en
Priority to CA2447871A priority patent/CA2447871C/en
Priority to JP2003582513A priority patent/JP4112499B2/en
Publication of WO2003085372A2 publication Critical patent/WO2003085372A2/en
Publication of WO2003085372A3 publication Critical patent/WO2003085372A3/en
Publication of WO2003085372A8 publication Critical patent/WO2003085372A8/en

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1486—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using enzyme electrodes, e.g. with immobilised oxidase
    • A61B5/14865—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using enzyme electrodes, e.g. with immobilised oxidase invasive, e.g. introduced into the body by a catheter or needle or using implanted sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/14532—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/14546—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring analytes not otherwise provided for, e.g. ions, cytochromes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1468—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using chemical or electrochemical methods, e.g. by polarographic means
    • A61B5/1473—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using chemical or electrochemical methods, e.g. by polarographic means invasive, e.g. introduced into the body by a catheter
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • 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
    • C12Q1/002—Electrode membranes
    • 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
    • C12Q1/004—Enzyme electrodes mediator-assisted
    • 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

Abstract

Novel membranes comprising various polymers containing heterocyclic nitrogen groups are described. These membranes are usefully employed in electrochemical sensors, such as amperometric biosensors. More particularly, these membranes effectively regulate a flux of analyte to a measurement electrode in an electrochemical sensor, thereby improving the functioning of the electrochemical sensor over a significant range of analyte concentrations. Electrochemical sensors equipped with such membranes are also described.
PCT/US2002/015707 2001-05-15 2002-05-15 Biosensor membranes composed of polymers containing heterocyclic nitrogens WO2003085372A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE60226497T DE60226497D1 (en) 2001-05-15 2002-05-15 COMPOSITE BIOSESORM MEMBRANES CONSISTING OF HETEROCYCLIC NITROGENATOME-CONTAINING POLYMERS
AU2002367855A AU2002367855B2 (en) 2001-05-15 2002-05-15 Biosensor membranes composed of polymers containing heterocyclic nitrogens
EP02806821A EP1466156B1 (en) 2001-05-15 2002-05-15 Biosensor membranes composed of polymers containing heterocyclic nitrogens
CA2447871A CA2447871C (en) 2001-05-15 2002-05-15 Biosensor membranes composed of polymers containing heterocyclic nitrogens
JP2003582513A JP4112499B2 (en) 2001-05-15 2002-05-15 Biosensor membranes made of polymers containing heterocyclic nitrogen

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US29121501P 2001-05-15 2001-05-15
US60/291,215 2001-05-15
US10/146,518 2002-05-14
US10/146,518 US6932894B2 (en) 2001-05-15 2002-05-14 Biosensor membranes composed of polymers containing heterocyclic nitrogens

Publications (3)

Publication Number Publication Date
WO2003085372A2 WO2003085372A2 (en) 2003-10-16
WO2003085372A3 true WO2003085372A3 (en) 2004-08-12
WO2003085372A8 WO2003085372A8 (en) 2004-10-21

Family

ID=26844006

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/015707 WO2003085372A2 (en) 2001-05-15 2002-05-15 Biosensor membranes composed of polymers containing heterocyclic nitrogens

Country Status (10)

Country Link
US (13) US6932894B2 (en)
EP (3) EP1927602B1 (en)
JP (1) JP4112499B2 (en)
CN (1) CN1639206A (en)
AT (2) ATE540986T1 (en)
AU (1) AU2002367855B2 (en)
CA (2) CA2699247C (en)
DE (1) DE60226497D1 (en)
ES (1) ES2377331T3 (en)
WO (1) WO2003085372A2 (en)

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