JPH11509311A - 電気化学電池 - Google Patents
電気化学電池Info
- Publication number
- JPH11509311A JPH11509311A JP9502421A JP50242197A JPH11509311A JP H11509311 A JPH11509311 A JP H11509311A JP 9502421 A JP9502421 A JP 9502421A JP 50242197 A JP50242197 A JP 50242197A JP H11509311 A JPH11509311 A JP H11509311A
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- electrode
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- electrochemical cell
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- 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
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- 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
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- 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
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Analytical Chemistry (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Genetics & Genomics (AREA)
- General Engineering & Computer Science (AREA)
- Biophysics (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Hematology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- Emergency Medicine (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
- Fuel Cell (AREA)
- Primary Cells (AREA)
- Optical Measuring Cells (AREA)
- Secondary Cells (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 作用電極と、この作用電極から所定距離隔たった対電極とを包含する種類 の電気化学電池においてレドックス・スペシーズの還元形態(または酸化形態) の濃度を測定する方法であって、 (1)電極間に電位差を印加する段階と、 (2)スペシーズの還元形態の電気酸化(または酸化形態の電気還元)の率を 拡散制御するように作用電極の電位を選定する段階と、 (3)対電極からの反応生成物が作用電極に到達するように作用電極と対電極 の間隔を選定する段階と、 (4)電位の印加後で、安定状態の達成前に時間関数として電流を測定する段 階と、 (5)安定状態電流の大きさを判断する段階と、 (6)電流経時変化および安定状態電流の大きさから、拡散係数またはスペシ ーズの還元形態(または酸化形態)の濃度あるいはこれら両方を示す値を得る段 階と を包含することを特徴とする方法。 2. 請求の範囲第1項記載の方法において、電気化学反応生成物の安定状態濃 度分布をテスト期間中に作用電極と対電極の間で達成することを特徴とする方法 。 3. 請求の範囲第1項または第2項記載の方法において、電極が500μm未 満隔たっていることを特徴とする方法。 4. 請求の範囲第1項から第3項までのいずれか1つに記載の方法において、 レドックス・スペシーズがメディエイタであり、このメディエイタの還元形態( または酸化形態)の濃度が検体の濃度を示し、メディエイタの還元形態(または 酸化形態)の拡散係数の値が検体濃度の測定のための前駆値として測定されるこ とを特徴とする方法。 5. 請求の範囲第1項から第4項までのいずれか1つに記載の方法において、 安定状態電流を安定状態電流の初期値に近似させることによって推断し、測定電 流対時間データと理論カーブの間の矛盾を測定し、もしあったな らばその矛盾の程度を用いて安定状態電流のより良い推定値を得ることを特徴と する方法。 6. 請求の範囲第1項から第3項までのいずれか1つに記載の方法において、 レドックス・スペシーズが検体であることを特徴とする方法。 7. 請求の範囲第1項から第3項までのいずれか1つに記載の方法において、 レドックス・スペシーズがメディエイタであることを特徴とする方法。 8. 請求の範囲第1項から第7項までのいずれか1つに記載の方法において、 電池が作用電極、対電極および別体の参照電極を包含することを特徴とする方法 。 9. 請求の範囲第1項から第8項までのいずれか1つに記載の方法において、 電極間の間隔を、所望時間内に安定状態電流を得るように選定することを特徴と する方法。 10.実質的に実施例の任意のものを参照しながら説明した方法。 11.請求の範囲第1項に記載の方法で使用するための装置であって、多孔性膜 と、この膜の片側にある作用電極と、この膜の反対側にある対電極とを包含し、 前記両電極がそれらの間の膜ゾーンと共に電気化学電池を構成しており、膜が電 池から側方へサンプル堆積領域まで延びており、このサンプル堆積領域が膜の厚 さよりも大きい距離だけ電池ゾーンから隔たっていることを特徴とする装置。 12.請求の範囲第11項記載の装置において、電気化学電池が試液を収容して いることを特徴とする装置。 13.請求の範囲第11項または第12項に記載の装置において、電気化学電池 がメディエイタを収容していることを特徴とする装置。 14.請求の範囲第11項から第13項のいずれか1つに記載の装置において、 膜が電気化学電池とサンプル堆積領域の中間に酵素を収容していることを特徴と する装置。 15.請求の範囲第11項から第14項のいずれか1つに記載の装置において、 さらに、サンプル堆積領域付近にpHバッファを設けたことを特徴と する装置。 16.請求の範囲第15項記載の装置において、さらに、作用電極付近にpHバ ッファを設けたことを特徴とする装置。 17.請求の範囲第11項記載の装置において、第2作用電極および膜の第2作 用電極と反対の側にある第2対/参照電極とによって構成された膜の第2電気化 学電池ゾーンを包含することを特徴とする装置。 18.請求の範囲第17項記載の装置において、第2電気化学電池ゾーンが第1 電池ゾーンとサンプル堆積領域またはターゲット領域の中間に位置していること を特徴とする装置。 19.請求の範囲第11項から第18項のいずれか1つに記載の装置において、 非圧縮時の膜の厚さが500μm未満であることを特徴とする装置。 20.請求の範囲第11項から第19項のいずれか1つに記載の装置において、 作用電極が、金、銀、プラチナ、パラジウム、イリジウム、鉛、その合金からな るグループから選定した金属であることを特徴とする装置。 21.電気化学電池においてレドックス・スペシーズの濃度を測定する装置であ って、 作用電極および対電極(または対/参照電極)を有する電気化学電池と、 前記電極間に電位差を印加する手段と、 経時電流変化を測定する手段と を包含する装置において、 作用電極が500μm未満だけ対電極から隔たっている ことを特徴とする装置。 22.作用電極と、対電極と、検体を内部に流入させる開口とを包含し、作用電 極が500μmだけ対電極から隔たっていることを特徴とする中空の電気化学電 池。 23.請求の範囲第21項または第22項に記載の電気化学電池において、電極 が100〜200μm隔たっていることを特徴とする電気化学電池。 24.請求の範囲第21項から第23項のうちいずれか1つに記載の電気 化学電池において、電極が互いに対面していることを特徴とする電気化学電池。 25.請求の範囲第21項から第24項のうちいずれか1つに記載の電気化学電 池において、電極がほぼ一致する面積を有することを特徴とする電気化学電池。 26.請求の範囲第21項から第25項のうちいずれか1つに記載の電気化学電 池において、作用電極、対電極および別体の参照電極を包含することを特徴とす る電気化学電池。 27.請求の範囲第21項から第26項のうちいずれか1つに記載の電気化学電 池において、1.5マイクロリットル未満の有効電池容積を有することを特徴と する電気化学電池。 28.実質的に実施例のいずれかを参照しながら説明した装置。 29.請求の範囲第11項から第28項のうちいずれか1つに記載の装置であっ て、血液中のグルコースの濃度を測定するのに使用することを特徴とする装置。 30.請求の範囲第1項から第10項までのいずれか1つに記載の方法において 、ヘマトクリット濃度を測定するのに使用することを特徴とする方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU3639 | 1995-06-19 | ||
AUPN3639A AUPN363995A0 (en) | 1995-06-19 | 1995-06-19 | Electrochemical cell |
PCT/AU1996/000365 WO1997000441A1 (en) | 1995-06-19 | 1996-06-19 | Electrochemical cell |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007102675A Division JP2007225619A (ja) | 1995-06-19 | 2007-04-10 | 電気化学的セル |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH11509311A true JPH11509311A (ja) | 1999-08-17 |
JP4018748B2 JP4018748B2 (ja) | 2007-12-05 |
Family
ID=3787980
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50242197A Expired - Lifetime JP4018748B2 (ja) | 1995-06-19 | 1996-06-19 | 電気化学的セル |
JP2007102675A Pending JP2007225619A (ja) | 1995-06-19 | 2007-04-10 | 電気化学的セル |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007102675A Pending JP2007225619A (ja) | 1995-06-19 | 2007-04-10 | 電気化学的セル |
Country Status (14)
Country | Link |
---|---|
US (1) | US6284125B1 (ja) |
EP (3) | EP0873514B1 (ja) |
JP (2) | JP4018748B2 (ja) |
KR (3) | KR100483093B1 (ja) |
CN (7) | CN1325908C (ja) |
AT (1) | ATE237131T1 (ja) |
AU (2) | AUPN363995A0 (ja) |
CA (3) | CA2222525C (ja) |
DE (2) | DE69627378T2 (ja) |
DK (1) | DK0873514T3 (ja) |
ES (1) | ES2193242T3 (ja) |
HK (1) | HK1107147A1 (ja) |
PT (1) | PT873514E (ja) |
WO (1) | WO1997000441A1 (ja) |
Cited By (3)
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JP2002368384A (ja) * | 2001-06-11 | 2002-12-20 | Toppan Printing Co Ltd | 配線基板または半導体回路の製造方法 |
JP2005506528A (ja) * | 2001-10-10 | 2005-03-03 | ライフスキャン・インコーポレイテッド | 電気化学セル |
JP2005513500A (ja) * | 2001-12-21 | 2005-05-12 | オックスフォード バイオセンサーズ リミテッド | マイクロバンド電極 |
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- 1996-06-19 CN CNB021227675A patent/CN1325908C/zh not_active Expired - Lifetime
- 1996-06-19 CN CN200510079591.7A patent/CN1727885A/zh active Pending
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- 1996-06-19 CN CN02122766.7A patent/CN1265193C/zh not_active Expired - Lifetime
- 1996-06-19 KR KR10-2003-7011440A patent/KR100483093B1/ko not_active IP Right Cessation
- 1996-06-19 CA CA002573423A patent/CA2573423C/en not_active Expired - Lifetime
- 1996-06-19 EP EP96917287A patent/EP0873514B1/en not_active Expired - Lifetime
- 1996-06-19 US US08/981,385 patent/US6284125B1/en not_active Expired - Lifetime
- 1996-06-19 ES ES96917287T patent/ES2193242T3/es not_active Expired - Lifetime
- 1996-06-19 WO PCT/AU1996/000365 patent/WO1997000441A1/en active IP Right Grant
- 1996-06-19 CN CN96194874.4A patent/CN1184471C/zh not_active Expired - Lifetime
- 1996-06-19 JP JP50242197A patent/JP4018748B2/ja not_active Expired - Lifetime
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- 1996-06-19 AU AU59922/96A patent/AU712939B2/en not_active Expired
- 1996-06-19 EP EP07121573A patent/EP1925934A3/en not_active Withdrawn
- 1996-06-19 CN CNB021227683A patent/CN100350241C/zh not_active Expired - Lifetime
- 1996-06-19 DK DK96917287T patent/DK0873514T3/da active
- 1996-06-19 KR KR1019970709488A patent/KR100568650B1/ko not_active IP Right Cessation
- 1996-06-19 CA CA002538966A patent/CA2538966C/en not_active Expired - Lifetime
- 1996-06-19 CN CN200510072636.8A patent/CN1690701A/zh active Pending
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2007
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JP4672189B2 (ja) * | 2001-06-11 | 2011-04-20 | 凸版印刷株式会社 | 配線基板または半導体回路の製造方法 |
JP2005506528A (ja) * | 2001-10-10 | 2005-03-03 | ライフスキャン・インコーポレイテッド | 電気化学セル |
KR100955587B1 (ko) * | 2001-10-10 | 2010-04-30 | 라이프스캔, 인코포레이티드 | 전기화학 전지 |
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