JPH11512316A - 化学シグナル非透過性マスク - Google Patents
化学シグナル非透過性マスクInfo
- Publication number
- JPH11512316A JPH11512316A JP9511924A JP51192497A JPH11512316A JP H11512316 A JPH11512316 A JP H11512316A JP 9511924 A JP9511924 A JP 9511924A JP 51192497 A JP51192497 A JP 51192497A JP H11512316 A JPH11512316 A JP H11512316A
- Authority
- JP
- Japan
- Prior art keywords
- mask
- working electrode
- chemical signal
- chemical
- signal
- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1486—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using enzyme electrodes, e.g. with immobilised oxidase
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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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/20—Applying electric currents by contact electrodes continuous direct currents
- A61N1/30—Apparatus for iontophoresis, i.e. transfer of media in ionic state by an electromotoric force into the body, or cataphoresis
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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
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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
- C12Q1/002—Electrode membranes
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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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Zoology (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Immunology (AREA)
- Microbiology (AREA)
- Biochemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Genetics & Genomics (AREA)
- Analytical Chemistry (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Medical Informatics (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Optics & Photonics (AREA)
- Emergency Medicine (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Materials For Medical Uses (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.以下のものを備える、化学シグナルの観測を目的とする観測装置において使 用するためのアセンブリ: a)化学シグナルの標的領域を有する第1の面を有するイオン伝導性材料、およ び b)化学シグナルに対して実質的に非透過性であることを特徴とするマスクであ って、そのマスクの面を通じ、イオン伝導性材料を通じて化学シグナル標的領域 に向かって輸送される化学シグナルが、実質的に、化学シグナル標的領域に対し て実質的に垂直な方向に輸送される化学シグナルのみであるように、第1の材料 面の反対側にある第2のイオン伝導性材料面に配置されたマスク。 2.標的領域に対して実質的に垂直な方向に化学シグナルが流れる開口部をマス クが有し、マスクの外周が、マスク開口部の反対側にある第1の材料面に配置さ れた触媒面の外周を超えており、マスク内の該開口部が標的領域の外周と等しい かその内側に外接するような周囲長を有する、請求項1記載のアセンブリ。 3.マスクが固体であり標的領域が環状である、請求項1記載のアセンブリ。 4.イオン伝導性材料にグルコース酸化酵素が含まれ、化学シグナルがグルコー スである、請求項1記載のアセンブリ。 5.上部および底部を有するセンサーハウジングであって、底部が底部の内部に 底部開口部を規定するセンサーハウジング、 上部と底部との間に配置された化学シグナル非透過性マスクであって、底部開 口部の表面積よりも大きいかそれと等しい表面積を有し、マスク開口部を規定し 、マスク開口部と底部開口部とが直線上に並ぶように配置されたマスク、および センサーハウジングの上部に配置された作用電極、 を備える、化学シグナル観測装置とともに用いるためのセンサーアセンブリであ って、 センサーアセンブリを閉じた場合に、第1のヒドロゲル面がマスクと接触し、 作用電極が第1のヒドロゲル面の反対側にある第2のヒドロゲル面と接触するよう に上部が底部の真上に配置されるように、ヒドロゲルの使用前にセンサーハウジ ングの底部と上部との間に挿入され、その作用電極が底部の開口部の正反対に配 置された、センサーアセンブリ。 6.ヒドロゲル表面と接触するマスク面、マスクと接触するヒドロゲル面、およ び電極と接触する面のそれぞれの表面積が約0.5cm2から10cm2の範囲であり、マ スクの厚さが約0.5ミルから10ミルの範囲であり、ヒドロゲルの厚さが約10ミル から50ミルの範囲であって、センサーアセンブリの全体の厚さが約5ミルから60ミ ルの範囲である、請求項5記載のセンサーアセンブリ。 7.以下の段階を含む、哺乳動物被験者の血流中に存在する化学シグナルの量を 測定する方法: 哺乳動物被験者の皮膚と、a)化学シグナル非透過性マスクであって、マスク中 に開口部が規定され、皮膚と接触する第1の面を有するマスク、b)第1のマスク面 の第2の面と接触した第1の面を有するイオン伝導性材料、およびc)第1のイオン 伝導性材料面の反対側にある第2のイオン伝導性材料と接触した作用電極であっ て、マスク開口部の正反対側のイオン伝導性材料の上に配置された作用電極、を 備えたセンサーアセンブリとを接触させる段階、 被験者の血流からの化学シグナルを、被験者の皮膚を通じて、マスクに規定さ れた開口部の中へ、およびイオン伝導性材料を通じての、作用電極の触媒面に対 する実質的に軸方向へ輸送する段階、および 作用電極の触媒面での化学シグナルの電気シグナルへの触媒変換によって作用 電極で発生した電気シグナルであって、作用電極で発生した該電気シグナルが哺 乳動物被験者の血流中に存在する化学シグナルの量と相関している電気シグナル を観測する段階。 8.以下のものを含む、化学シグナルの観測に用いるためのアセンブリ: (a)水、電解質および酵素を含むイオン伝導性材料、 (b)白金、パラジウム、ニッケルならびにその酸化物、二酸化物および合金か らなる群より選択される材料を含む触媒面を有し、その触媒面がイオン伝導性材 料の第1の面と接触している作用電極、ならびに (c)第1のイオン伝導性材料面の反対側および電極(b)の触媒面の反対側にある 、イオン伝導性材料(a)の第2の面に配置された化学シグナル非透過性マスクであ って、作用電極(b)の外周と等しいかそれを超える外周を有し、その内部に、作 用電極の外周と等しいかまたはその内側に外接している周辺を有する開口部を備 える 極の外周と等しいかまたはその内側に外接している周辺を有する開口部を備える マスク。 9.以下のものを含む、化学シグナルの観測を目的とする観測装置において用い るためのアセンブリ: a)イオン伝導性材料、および b)化学シグナルに対して非透過性であることを特徴とし、イオン伝導性材料と 化学シグナルの供給源との間に配置されたマスクであって、 化学シグナルの供給源から電極の触媒面へと輸送される化学シグナルを測定する 作用電極に対して同心円的であり、さらに、マスクの面を通過する化学シグナル が触媒面に対して実質的に垂直な様式で供給源から触媒面へと輸送される化学シ グナルであるマスク。 10.イオン伝導性材料がその中に酵素を有するヒドロゲルであって、その触媒面 が、白金、パラジウム、ニッケル、その酸化物、その二酸化物およびその合金か らなる群より選択される材料を含む、請求項2記載のパッチアセンブリ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/527,061 US5735273A (en) | 1995-09-12 | 1995-09-12 | Chemical signal-impermeable mask |
US08/527,061 | 1995-09-12 | ||
PCT/US1996/011776 WO1997010356A1 (en) | 1995-09-12 | 1996-07-16 | Chemical signal-impermeable mask |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH11512316A true JPH11512316A (ja) | 1999-10-26 |
JP3366646B2 JP3366646B2 (ja) | 2003-01-14 |
Family
ID=24099938
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51192497A Expired - Lifetime JP3366646B2 (ja) | 1995-09-12 | 1996-07-16 | 化学シグナル非透過性マスク |
Country Status (13)
Country | Link |
---|---|
US (7) | US5735273A (ja) |
EP (1) | EP0876501B1 (ja) |
JP (1) | JP3366646B2 (ja) |
KR (1) | KR100438509B1 (ja) |
AT (1) | ATE200305T1 (ja) |
AU (1) | AU703849B2 (ja) |
CA (1) | CA2229509C (ja) |
DE (1) | DE69612398T2 (ja) |
DK (1) | DK0876501T3 (ja) |
ES (1) | ES2155615T3 (ja) |
GR (1) | GR3036141T3 (ja) |
PT (1) | PT876501E (ja) |
WO (1) | WO1997010356A1 (ja) |
Cited By (1)
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JP2012068263A (ja) * | 2000-03-17 | 2012-04-05 | Sontra Medical Inc | 体液の非侵襲性のサンプリングおよび分析のためのシステム、方法およびデバイス |
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US5735273A (en) | 1998-04-07 |
KR19990044567A (ko) | 1999-06-25 |
ATE200305T1 (de) | 2001-04-15 |
WO1997010356A1 (en) | 1997-03-20 |
KR100438509B1 (ko) | 2004-11-16 |
AU6497396A (en) | 1997-04-01 |
DE69612398T2 (de) | 2001-07-12 |
US20030120138A1 (en) | 2003-06-26 |
PT876501E (pt) | 2001-07-31 |
DE69612398D1 (de) | 2001-05-10 |
US20020062073A1 (en) | 2002-05-23 |
ES2155615T3 (es) | 2001-05-16 |
AU703849B2 (en) | 1999-04-01 |
US6370410B2 (en) | 2002-04-09 |
US20010020125A1 (en) | 2001-09-06 |
JP3366646B2 (ja) | 2003-01-14 |
US5827183A (en) | 1998-10-27 |
US6529755B2 (en) | 2003-03-04 |
EP0876501A1 (en) | 1998-11-11 |
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