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DE3684993D1 - Pufferkompensation in enzymmodofizierten, ionensensitiven vorrichtungen. - Google Patents

Pufferkompensation in enzymmodofizierten, ionensensitiven vorrichtungen.

Info

Publication number
DE3684993D1
DE3684993D1 DE8686309003T DE3684993T DE3684993D1 DE 3684993 D1 DE3684993 D1 DE 3684993D1 DE 8686309003 T DE8686309003 T DE 8686309003T DE 3684993 T DE3684993 T DE 3684993T DE 3684993 D1 DE3684993 D1 DE 3684993D1
Authority
DE
Germany
Prior art keywords
modofied
enzyme
ion
sensitive devices
buffer compensation
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE8686309003T
Other languages
English (en)
Inventor
Mark James Eddowes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Central Research Laboratories Ltd
Original Assignee
Thorn EMI 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 Thorn EMI PLC filed Critical Thorn EMI PLC
Application granted granted Critical
Publication of DE3684993D1 publication Critical patent/DE3684993D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C12Q1/001—Enzyme electrodes
    • 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
    • G01N27/403—Cells and electrode assemblies
    • G01N27/414—Ion-sensitive or chemical field-effect transistors, i.e. ISFETS or CHEMFETS
    • G01N27/4145—Ion-sensitive or chemical field-effect transistors, i.e. ISFETS or CHEMFETS specially adapted for biomolecules, e.g. gate electrode with immobilised receptors

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Molecular Biology (AREA)
  • Zoology (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Analytical Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Genetics & Genomics (AREA)
  • Microbiology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Biophysics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (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)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
DE8686309003T 1985-11-22 1986-11-18 Pufferkompensation in enzymmodofizierten, ionensensitiven vorrichtungen. Expired - Lifetime DE3684993D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858528794A GB8528794D0 (en) 1985-11-22 1985-11-22 Buffer compensation in enzyme

Publications (1)

Publication Number Publication Date
DE3684993D1 true DE3684993D1 (de) 1992-05-27

Family

ID=10588615

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686309003T Expired - Lifetime DE3684993D1 (de) 1985-11-22 1986-11-18 Pufferkompensation in enzymmodofizierten, ionensensitiven vorrichtungen.

Country Status (5)

Country Link
US (1) US4839000A (de)
EP (1) EP0223597B1 (de)
JP (1) JPH0731154B2 (de)
DE (1) DE3684993D1 (de)
GB (1) GB8528794D0 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4963815A (en) * 1987-07-10 1990-10-16 Molecular Devices Corporation Photoresponsive electrode for determination of redox potential
US5118404A (en) * 1989-04-28 1992-06-02 Nec Corporation Enzyme electrode and a method of determining concentration of an analyte in a sample solution
AU671253B2 (en) * 1990-05-02 1996-08-22 University Of Michigan, The Solid state ion sensor with polyurethane membrane
KR930002824B1 (ko) * 1990-08-21 1993-04-10 손병기 감이온 전계효과 트랜지스터를 이용한 바이오 센서용 측정회로
KR940010562B1 (ko) * 1991-09-06 1994-10-24 손병기 Ta_2O_5수소이온 감지막을 갖는 감이온 전계효과 트랜지스터의 제조방법
KR960004971B1 (ko) * 1993-01-15 1996-04-18 경북대학교센서기술연구소 백금전극을 내장한 감이온 전계효과 트랜지스터를 이용한 바이오센서
US7220550B2 (en) * 1997-05-14 2007-05-22 Keensense, Inc. Molecular wire injection sensors
US6060327A (en) * 1997-05-14 2000-05-09 Keensense, Inc. Molecular wire injection sensors
US6699667B2 (en) 1997-05-14 2004-03-02 Keensense, Inc. Molecular wire injection sensors
TW434704B (en) * 1999-06-11 2001-05-16 Univ Nat Yunlin Sci & Tech Device of amorphous WO3 ion sensitive field effect transistor (ISFET) and method for making the same
GB0105831D0 (en) * 2001-03-09 2001-04-25 Toumaz Technology Ltd Method for dna sequencing utilising enzyme linked field effect transistors
US8114591B2 (en) 2001-03-09 2012-02-14 Dna Electronics Ltd. Sensing apparatus and method
US7323091B1 (en) * 2002-09-24 2008-01-29 Orion Research, Inc. Multimode electrochemical sensing array
GB201018224D0 (en) * 2010-10-28 2010-12-15 Dna Electronics Chemical sensing device
US8642371B2 (en) * 2011-04-06 2014-02-04 Shamsoddin Mohajerzadeh Method and system for fabricating ion-selective field-effect transistor (ISFET)
FR3001547B1 (fr) * 2013-01-25 2016-05-06 Veolia Water Solutions & Tech Dispositif de mesure de la valeur du ph comprenant des moyens de calibrage in situ

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3878059A (en) * 1974-05-28 1975-04-15 Univ Iowa State Res Found Inc Method of chelometric titration of metal cations using tungsten bronze electrode
US4020830A (en) * 1975-03-12 1977-05-03 The University Of Utah Selective chemical sensitive FET transducers
NL7511925A (nl) * 1975-10-10 1977-04-13 Electrofact B V Werkwijze en inrichting voor ionen-titratie.
US4230554A (en) * 1978-07-03 1980-10-28 Beckman Instruments, Inc. Apparatus for measuring ions in solution
SE429379B (sv) * 1979-02-26 1983-08-29 Pharmacia Fine Chemicals Ab Autotitreringsmetod for att elektrokemiskt bestemma koncentrationen av en substans i ett fluidum samt anordning for utforande av metoden
JPS5626250A (en) * 1979-08-10 1981-03-13 Olympus Optical Co Ltd Composite chemical sensor
JPS57118152A (en) * 1981-01-14 1982-07-22 Matsushita Electric Ind Co Ltd Enzyme electrode
US4411741A (en) * 1982-01-12 1983-10-25 University Of Utah Apparatus and method for measuring the concentration of components in fluids
JPS58167952A (ja) * 1982-03-29 1983-10-04 Kuraray Co Ltd 水素イオン濃度測定装置
JPS58184540A (ja) * 1982-04-21 1983-10-28 Mitsubishi Electric Corp 生化学センサ及び生化学センサを用いた化合物濃度の測定方法
US4698657A (en) * 1984-02-10 1987-10-06 Sharp Kabushiki Kaisha FET type sensor and a method for driving the same
DE3411448A1 (de) * 1984-03-28 1985-10-10 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren und anordnung zur bestimmung von glucose

Also Published As

Publication number Publication date
US4839000A (en) 1989-06-13
GB8528794D0 (en) 1985-12-24
JPS62130349A (ja) 1987-06-12
EP0223597A2 (de) 1987-05-27
EP0223597B1 (de) 1992-04-22
EP0223597A3 (en) 1990-01-17
JPH0731154B2 (ja) 1995-04-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8327 Change in the person/name/address of the patent owner

Owner name: CENTRAL RESEARCH LABORATORIES LTD., HAYES, MIDDLES

8339 Ceased/non-payment of the annual fee