BR0306588A - Biosensor possuindo eletrodo para determinar a taxa de fluxo de um fluido - Google Patents

Biosensor possuindo eletrodo para determinar a taxa de fluxo de um fluido

Info

Publication number
BR0306588A
BR0306588A BR0306588-0A BR0306588A BR0306588A BR 0306588 A BR0306588 A BR 0306588A BR 0306588 A BR0306588 A BR 0306588A BR 0306588 A BR0306588 A BR 0306588A
Authority
BR
Brazil
Prior art keywords
electrode
flow rate
fluid
sensor
sample
Prior art date
Application number
BR0306588-0A
Other languages
English (en)
Inventor
Shridhara A Karinka
Isabella Moser
Gerhard Jobst
Uwe Tietjen
Panagiota S Petrou
Uwe Herberth
Gerald Urban
Original Assignee
Abbott Lab
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 Abbott Lab filed Critical Abbott Lab
Publication of BR0306588A publication Critical patent/BR0306588A/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
    • G01F1/64—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by measuring electrical currents passing through the fluid flow; measuring electrical potential generated by the fluid flow, e.g. by electrochemical, contact or friction effects
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Immunology (AREA)
  • Electrochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Emergency Medicine (AREA)
  • Biotechnology (AREA)
  • General Physics & Mathematics (AREA)
  • Microbiology (AREA)
  • Molecular Biology (AREA)
  • Fluid Mechanics (AREA)
  • Biophysics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Measuring Volume Flow (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)

Abstract

"BIOSENSOR POSSUINDO ELéTRODO PARA DETERMINAR A TAXA DE FLUXO DE UM FLUIDO". Sensores que são capazes de medir a taxa de fluxo de um fluido que passa sobre os eletrodos do sensor. Nesses sensores, um eletrodo, designado eletrodo de determinação de taxa de fluxo, é utilizado em conjunto com os eletrodos convencionais, por exemplo, o eletrodo de trabalho, o eletrodo de referência e o eletrodo contador, para determinar a taxa de fluxo do fluido. Em um aspecto, essa invenção fornece um sensor para medir a concentração de um material analisável em uma amostra de fluido quando a amostra flui continuamente sobre os eletrodos do sensor, especialmente quando a taxa de fluxo da amostra é relativamente baixa. Em outro aspecto, essa invenção fornece um método de medição da concentração de um material analisável em uma amostra de fluido, onde a taxa de fluxo de amostra varia durante o período de tempo no qual o sensor está no lugar. Em uma modalidade preferida, o sensor emprega quatro eletrodos, isso é, um eletrodo de trabalho, um eletrodo de referência, um eletrodo contador e um eletrodo de determinação de taxa de fluxo. Alternativamente, um único eletrodo que realiza ambas a função do eletrodo de referência e a função do eletrodo contador pode substituir o eletrodo de referência e o eletrodo contador. Adicionalmente, um eletrodo falso ou um eletrodo em branco pode ser utilizado para compensar a interferência das espécies eletroquimicamente ativas. O(s) reagente(s) específico(s) para o material analisável de interesse deve (m) ser depositado (s) no eletrodo de trabalho.
BR0306588-0A 2002-05-14 2003-05-14 Biosensor possuindo eletrodo para determinar a taxa de fluxo de um fluido BR0306588A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/145,837 US6801041B2 (en) 2002-05-14 2002-05-14 Sensor having electrode for determining the rate of flow of a fluid
PCT/US2003/015137 WO2003098165A1 (en) 2002-05-14 2003-05-14 Biosensor having electrode for determining the rate of flow of a liquid

Publications (1)

Publication Number Publication Date
BR0306588A true BR0306588A (pt) 2005-05-10

Family

ID=29418689

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0306588-0A BR0306588A (pt) 2002-05-14 2003-05-14 Biosensor possuindo eletrodo para determinar a taxa de fluxo de um fluido

Country Status (9)

Country Link
US (1) US6801041B2 (pt)
EP (1) EP1514079A1 (pt)
JP (1) JP4632783B2 (pt)
AR (1) AR040008A1 (pt)
AU (1) AU2003234552A1 (pt)
BR (1) BR0306588A (pt)
CA (1) CA2485650C (pt)
TW (1) TW200405933A (pt)
WO (1) WO2003098165A1 (pt)

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