BRPI0002963A - processo e dispositivo medidor eletroquímico para medir uma concentração de analito em uma amostra. - Google Patents

processo e dispositivo medidor eletroquímico para medir uma concentração de analito em uma amostra.

Info

Publication number
BRPI0002963A
BRPI0002963A BRPI0002963A BRPI0002963A BRPI0002963A BR PI0002963 A BRPI0002963 A BR PI0002963A BR PI0002963 A BRPI0002963 A BR PI0002963A BR PI0002963 A BRPI0002963 A BR PI0002963A BR PI0002963 A BRPI0002963 A BR PI0002963A
Authority
BR
Brazil
Prior art keywords
sample
electrochemical
gap
current
measuring
Prior art date
Application number
BRPI0002963A
Other languages
English (en)
Inventor
Timothy J Ohara
Maria Teodorczyk
Mahyar Z Kermani
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
Application filed by Lifescan Inc filed Critical Lifescan Inc
Publication of BRPI0002963A publication Critical patent/BRPI0002963A/pt
Publication of BRPI0002963B1 publication Critical patent/BRPI0002963B1/pt
Publication of BRPI0002963B8 publication Critical patent/BRPI0002963B8/pt

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
    • 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
    • G01N27/3273—Devices therefor, e.g. test element readers, circuitry

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Biochemistry (AREA)
  • Molecular Biology (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Hematology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)

Abstract

patente de invenção: "detecção de amostra para iniciar a temporização de um ensaio eletroquímico". um ensaio eletroquímico inclui um método para determinar com grande precisão o momento no qual uma amostra aplicada cobre uma folga entre os eletrodos de uma célula eletroquímica. o método envolve aplicar uma pequena corrente constante através da folga, enquanto monitorando a diferença de potencial entre os eletrodos. o momento no qual a amostra cobre a folga é marcado por uma queda brusca no potencial. uma voltagem constante é aplicada após a amostra ser detectada, e a corrente e/ou a carga através da amostra é monitorada por um período de tempo. da corrente ou da carga medida, a concentração do analisado de interesse pode ser calculada.
BRPI0002963 1999-06-15 2000-06-15 processo e dispositivo medidor eletroquímico para medir uma concentração de analito em uma amostra. BRPI0002963B8 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/333,793 US6193873B1 (en) 1999-06-15 1999-06-15 Sample detection to initiate timing of an electrochemical assay

Publications (3)

Publication Number Publication Date
BRPI0002963A true BRPI0002963A (pt) 2002-02-13
BRPI0002963B1 BRPI0002963B1 (pt) 2011-09-20
BRPI0002963B8 BRPI0002963B8 (pt) 2021-07-06

Family

ID=23304277

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0002963 BRPI0002963B8 (pt) 1999-06-15 2000-06-15 processo e dispositivo medidor eletroquímico para medir uma concentração de analito em uma amostra.

Country Status (23)

Country Link
US (1) US6193873B1 (pt)
EP (1) EP1067384B1 (pt)
JP (1) JP4573400B2 (pt)
KR (1) KR100712380B1 (pt)
CN (1) CN1160563C (pt)
AR (1) AR024351A1 (pt)
AT (1) ATE256869T1 (pt)
AU (1) AU761438B2 (pt)
BR (1) BRPI0002963B8 (pt)
CA (1) CA2311431C (pt)
DE (1) DE60007229T2 (pt)
DK (1) DK1067384T3 (pt)
ES (1) ES2212969T3 (pt)
HK (2) HK1032820A1 (pt)
HU (1) HUP0002275A3 (pt)
ID (1) ID26387A (pt)
IL (1) IL136700A (pt)
MY (1) MY126044A (pt)
NO (1) NO20003045L (pt)
PT (1) PT1067384E (pt)
RU (1) RU2238548C2 (pt)
SG (1) SG80681A1 (pt)
TW (1) TW510970B (pt)

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