KR100712380B1 - 전기 화학 어세이의 타이밍을 개시하는 샘플 검출 방법 - Google Patents
전기 화학 어세이의 타이밍을 개시하는 샘플 검출 방법 Download PDFInfo
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- KR100712380B1 KR100712380B1 KR1020000032952A KR20000032952A KR100712380B1 KR 100712380 B1 KR100712380 B1 KR 100712380B1 KR 1020000032952 A KR1020000032952 A KR 1020000032952A KR 20000032952 A KR20000032952 A KR 20000032952A KR 100712380 B1 KR100712380 B1 KR 100712380B1
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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
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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
Abstract
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Claims (15)
- 병렬 위치된 작용 전극 및 기준 전극을 포함하는 유형의 전기 화학 진단 스트립에 인가되는 생체 유체의 샘플 내의 에널리트(analyte) 농도를 측정하는 방법으로서,(a) 상기 작용 전극과 기준 전극 사이에 미리 결정된 일정 전류원을 인가하는 단계,(b) 상기 전극들 간의 전위차를 모니터하는 단계,(c) 상기 샘플을 상기 스트립에 인가하는 단계,(d) 상기 전위차가 미리 결정된 임계 전압 아래로 강하할 때를 주목하여 샘플 검출 시간을 결정하는 단계,(e) 미리 결정된 일정 전압을 상기 샘플에 인가하는 단계,(f) 상기 일정 전압을 인가한 후 미리 결정된 시간에 전기적 응답을 측정하는 단계, 및(g) 상기 측정된 전기적 응답을 사용하여 상기 에널리트 농도를 계산하는 단계를 포함하는, 에널리트 농도 측정 방법.
- 제 1 항에 있어서,상기 측정된 전기적 응답은 상기 미리 결정된 시간에 상기 샘플을 통과하는 전류인, 에널리트 농도 측정 방법.
- 제 1 항에 있어서,상기 측정된 전기적 응답은 상기 샘플 검출 시간부터 미리 결정된 시간까지 상기 샘플을 통과한 전하인, 에널리트 농도 측정방법.
- 제 1 항에 있어서,상기 미리 결정된 시간 후에 제 2 미리 결정된 전압을 인가하고 상기 제 2 미리 결정된 전압을 인가한 후에 제 2 전기적 응답을 측정하는 단계를 더 포함하는, 에널리트 농도 측정 방법.
- 제 4 항에 있어서,상기 제 2 전기적 응답은 상기 샘플을 통과하는 전류의 감쇄 속도인, 에널리트 농도 측정 방법.
- 제 4 항에 있어서,상기 제 2 전기적 응답은 상기 제 2 전압이 인가된 후 미리 결정된 시간 간격 동안 상기 샘플을 통과하는 전하인, 에널리트 농도 측정 방법.
- 진단 스트립의 작용 전극과 기준 전극 사이에 인가된 생체 유체 샘플 내의 에널리트 농도를 측정하는 계측기로서,(a) 상기 작용 전극과 기준 전극 사이에 미리 결정된 전류를 인가하는 수단,(b) 상기 전극들 간의 전위차를 모니터하는 수단,(c) 샘플 검출을 지시하기 위해 상기 전위차가 미리 결정된 임계 전압 아래로 강하할 때를 결정하는 수단,(d) 샘플 검출에 응답하여 미리 결정된 일정 전압을 상기 샘플에 인가하는 수단,(e) 결과로서 생긴 전기적 응답을 측정하는 수단, 및(f) 상기 측정된 전기적 응답을 사용하여 상기 에널리트 농도를 계산하는 수단을 포함하는, 에널리트 농도 측정 계측기.
- 제 7 항에 있어서,상기 결과로서 생긴 전기적 응답을 측정하는 수단은 전류계인, 에널리트 농도 측정 계측기.
- 제 7 항에 있어서,상기 결과로서 생긴 전기적 응답을 측정하는 수단은 전량계(coulometer)인, 에널리트 농도 측정 계측기.
- 제 7 항에 있어서,제 2 미리 결정된 전압을 상기 샘플에 인가하는 수단 및 제 2 결과로서 생긴 전기적 응답을 측정하는 수단을 더 포함하는, 에널리트 농도 측정 계측기.
- 제 10 항에 있어서,상기 제 2 결과로서 생긴 전기적 응답을 측정하는 수단은 전류계인, 에널리트 농도 측정 계측기.
- 제 10 항에 있어서,상기 제 2 결과로서 생긴 전기적 응답을 측정하는 수단은 전량계인, 에널리트 농도 측정 계측기.
- 병렬 위치된 작용 전극 및 기준 전극을 포함하는 유형의 전기 화학 진단 스트립에 인가되는 생체 유체의 샘플 내의 에널리트 농도를 측정하는 방법으로서,(a) 상기 작용 전극과 기준 전극 사이에 미리 결정된 일정 전류원을 인가하는 단계,(b) 상기 전극들 사이의 전위차를 모니터하는 단계,(c) 상기 샘플을 상기 스트립에 인가하는 단계,(d) 상기 전위차가 미리 결정된 임계 전압 아래로 강하할 때를 주목하여 샘플 검출 시간을 결정하는 단계,(e) 미리 결정된 일정 전압을 상기 샘플에 인가하는 단계,(f) 제 1 미리 결정된 시간 후에 제 2 미리 결정된 전압을 상기 샘플에 인가하는 단계,(g) 상기 제 1 미리 결정된 시간 후 미리 결정된 시간에 전기적 응답을 측정하는 단계, 및(h) 상기 측정된 전기적 응답을 사용하여 상기 에널리트 농도를 계산하는 단계를 포함하는, 에널리트 농도 측정 방법.
- 제 13 항에 있어서,상기 측정된 전기적 응답은 상기 샘플을 통과하는 전류의 감쇄 속도인, 에널리트 농도 측정 방법.
- 제 13 항에 있어서,상기 측정된 전기적 응답은 상기 제 2 미리 결정된 전압이 인가된 후 미리 결정된 시간 간격 동안 상기 샘플을 통과하는 전하인, 에널리트 농도 측정 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/333,793 US6193873B1 (en) | 1999-06-15 | 1999-06-15 | Sample detection to initiate timing of an electrochemical assay |
US09/333,793 | 1999-06-15 |
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KR20010066848A KR20010066848A (ko) | 2001-07-11 |
KR100712380B1 true KR100712380B1 (ko) | 2007-05-02 |
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KR1020000032952A KR100712380B1 (ko) | 1999-06-15 | 2000-06-15 | 전기 화학 어세이의 타이밍을 개시하는 샘플 검출 방법 |
Country Status (23)
Country | Link |
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US (1) | US6193873B1 (ko) |
EP (1) | EP1067384B1 (ko) |
JP (1) | JP4573400B2 (ko) |
KR (1) | KR100712380B1 (ko) |
CN (1) | CN1160563C (ko) |
AR (1) | AR024351A1 (ko) |
AT (1) | ATE256869T1 (ko) |
AU (1) | AU761438B2 (ko) |
BR (1) | BRPI0002963B8 (ko) |
CA (1) | CA2311431C (ko) |
DE (1) | DE60007229T2 (ko) |
DK (1) | DK1067384T3 (ko) |
ES (1) | ES2212969T3 (ko) |
HK (2) | HK1032820A1 (ko) |
HU (1) | HUP0002275A3 (ko) |
ID (1) | ID26387A (ko) |
IL (1) | IL136700A (ko) |
MY (1) | MY126044A (ko) |
NO (1) | NO20003045L (ko) |
PT (1) | PT1067384E (ko) |
RU (1) | RU2238548C2 (ko) |
SG (1) | SG80681A1 (ko) |
TW (1) | TW510970B (ko) |
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1999
- 1999-06-15 US US09/333,793 patent/US6193873B1/en not_active Expired - Lifetime
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2000
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2001
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