FI91023B - Sensor - Google Patents

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Publication number
FI91023B
FI91023B FI863738A FI863738A FI91023B FI 91023 B FI91023 B FI 91023B FI 863738 A FI863738 A FI 863738A FI 863738 A FI863738 A FI 863738A FI 91023 B FI91023 B FI 91023B
Authority
FI
Finland
Prior art keywords
layer
enzyme
sensor
analyte
film
Prior art date
Application number
FI863738A
Other languages
English (en)
Finnish (fi)
Other versions
FI863738A0 (sv
FI91023C (sv
FI863738L (sv
Inventor
Pankaj Maganlal Vadgama
Stephen Churchouse
William Mullen
Original Assignee
Ici Plc
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 Ici Plc filed Critical Ici Plc
Publication of FI863738A0 publication Critical patent/FI863738A0/sv
Publication of FI863738L publication Critical patent/FI863738L/sv
Publication of FI91023B publication Critical patent/FI91023B/sv
Application granted granted Critical
Publication of FI91023C publication Critical patent/FI91023C/sv

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Classifications

    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12QMEASURING 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
    • C12Q1/00Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
    • C12Q1/001Enzyme electrodes
    • C12Q1/002Electrode membranes
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00Chemistry: molecular biology and microbiology
    • Y10S435/817Enzyme or microbe electrode

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Immunology (AREA)
  • Microbiology (AREA)
  • Molecular Biology (AREA)
  • Biotechnology (AREA)
  • Biophysics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measuring Fluid Pressure (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Claims (8)

1. Sensor av enzym-elektrodtyp för bestämning av ett ämne, som skall analyseras, varvid ämnet, som skall 5 analyseras, kan 1 närvaro av ett enzym omvandlas tili en sädan art, som kan pävisas med en sensor, vilken omfattar en elektrod och en membran, som släpper igenom västkor och lösta ämnen och är anbrlngad me11an elektroden och provet, vilket innehäller ämnet, som skall analyseras, varvid 10 nämnda membran omfattar ett skikt, som innehäller ett el-ler flera enzymer, samt ett materialskikt, som är placerat mellan det enzym-innehällande skiktet och provet, k ä n -netecknad därav, att nämnda materialskikt innehäller ett omräde, genom vilket ämnet, som skall analyse-15 ras, är kapabelt att passera, och vilket är format av po-röst material, som har begränsad genomsläpplighet och porosi tet inom omrädet av 0,001 - 0,5 % och vars genomsnitt-liga pordiameter icke är större än 0,025 pm.
2. Sensor enligt patentkravet 1, känneteck-20 n a d därav, att den innehäller en laminerad membran, som omfattar ett enzym-innehällande skikt placerat mellan ett första materialskikt och ett andra materialskikt, varvid första skiktet är mellan det enzym-innehällande skiktet och elektroden i sensorn.
3. Sensor enligt patentkravet 2, känneteck- n a d därav, att första skiktet i membranen är bildat av polymetylmetakrylat, cellulosaacetat eller polyuretan.
4. Sensor enligt nägot av patentkraven 1-3, kännetecknad därav, att det porösa materialet 30 med begränsad genomsläpplighet är bildat av polykarbonat eller modifierad cellulosa.
5. Sensor enligt nägot av patentkraven 1-4, kännetecknad därav, att det porösa materialet med begränsad genomsläpplighet bildar det totala effektiva 35 omrädet i skiktet, som innehäller det. 14
6. Sensor enligt nägot av patentkraven 1-5, kännetecknad därav, att porerna i det porösa materialet med begränsad genomsläpplighet har en genom-snittlig diameter inom omrädet av 0,01 - 0,025 pm.
7. Sensor enligt nägot av patentkraven 1-6, kännetecknad därav, att det porösa materialet med begränsad genomsläpplighet har en porositet inom omrä-det av 0,005 - 0,025 %.
8. Förfarande för att i ett prov bestämma ett ämne, 10 som skall analyseras, genom att bringa provet i kontakt med yttre skiktet av en membran, som släpper igenom väts-kor och lösta ämnen och innehäller ett eller flera enzy-mer, i närvaro av vilka ämnet, som skall analyseras, kan omvandlas tili en sädan art, som kan pävisas med en sen-15 sor, som innehäller membranen, samt ett eller flera mate-rialskikt, och genom att mätä sensorens respons tili ifrä-gavarande art, kännetecknat därav, att skiktet mellan enzymet och provet i membranen innehäller ett omrä-de, genom vilket ämnet, som skall analyseras, är kapabelt 20 att passera, vilket omräde är bildat av poröst material, som har begränsad genomsläpplighet och porositet inom om-rädet av 0,001 - 0,5 % och vars genomsnittliga pordiameter icke är större än 0,025 pm. tl
FI863738A 1985-09-16 1986-09-16 Sensor FI91023C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8522834 1985-09-16
GB858522834A GB8522834D0 (en) 1985-09-16 1985-09-16 Sensor

Publications (4)

Publication Number Publication Date
FI863738A0 FI863738A0 (sv) 1986-09-16
FI863738L FI863738L (sv) 1987-03-17
FI91023B true FI91023B (sv) 1994-01-14
FI91023C FI91023C (sv) 1994-04-25

Family

ID=10585224

Family Applications (1)

Application Number Title Priority Date Filing Date
FI863738A FI91023C (sv) 1985-09-16 1986-09-16 Sensor

Country Status (17)

Country Link
US (1) US5437973A (sv)
EP (1) EP0216577B1 (sv)
JP (1) JPS6267442A (sv)
AT (1) ATE73842T1 (sv)
AU (1) AU605111B2 (sv)
CA (1) CA1244085A (sv)
DE (1) DE3684394D1 (sv)
DK (1) DK169882B1 (sv)
ES (1) ES2002348A6 (sv)
FI (1) FI91023C (sv)
GB (1) GB8522834D0 (sv)
GR (1) GR862368B (sv)
IE (1) IE71918B1 (sv)
NO (1) NO863686L (sv)
NZ (1) NZ217598A (sv)
PT (1) PT83378B (sv)
ZA (1) ZA867038B (sv)

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Also Published As

Publication number Publication date
AU605111B2 (en) 1991-01-10
DE3684394D1 (en) 1992-04-23
IE862471L (en) 1987-03-16
US5437973A (en) 1995-08-01
ES2002348A6 (es) 1988-08-01
ZA867038B (en) 1987-05-27
FI863738A0 (sv) 1986-09-16
EP0216577B1 (en) 1992-03-18
JPS6267442A (ja) 1987-03-27
GB8522834D0 (en) 1985-10-23
EP0216577A3 (en) 1988-07-20
FI91023C (sv) 1994-04-25
CA1244085A (en) 1988-11-01
NO863686L (no) 1987-03-17
EP0216577A2 (en) 1987-04-01
IE71918B1 (en) 1997-03-12
PT83378B (pt) 1993-05-31
PT83378A (pt) 1987-05-06
DK169882B1 (da) 1995-03-20
FI863738L (sv) 1987-03-17
AU6272986A (en) 1987-03-19
DK444086A (da) 1987-03-17
DK444086D0 (da) 1986-09-16
NZ217598A (en) 1989-10-27
GR862368B (en) 1986-12-23
ATE73842T1 (de) 1992-04-15
NO863686D0 (no) 1986-09-16

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