KR101477815B1 - 게이트형 전압 전류 측정법 - Google Patents
게이트형 전압 전류 측정법 Download PDFInfo
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- KR101477815B1 KR101477815B1 KR20087010438A KR20087010438A KR101477815B1 KR 101477815 B1 KR101477815 B1 KR 101477815B1 KR 20087010438 A KR20087010438 A KR 20087010438A KR 20087010438 A KR20087010438 A KR 20087010438A KR 101477815 B1 KR101477815 B1 KR 101477815B1
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Abstract
Description
| 분석물 | 효소 | 매개물질 |
| 글루코오스 | 글루코오스 산화효소 | 페리시안 화합물(ferricyanide) |
| 글루코오스 | 글루코오스 탈수소효소 | 페리시안 화합물 |
| 콜레스테롤 | 클레스테롤(cholesterol) 산화효소 | 페리시안 화합물 |
| 유산염(lactate) | 유산염 산화효소 | 페리시안 화합물 |
| 요산(uric acid) | 요산 분해 효소(uricase) | 페리시안 화합물 |
| 알코올 | 알코올 분해효소 | 페닐렌디아민(phenylenediamine) |
| 산화 환원 효소(시약 층) | 분석물 |
| 글루코오스 탈수소효소(glucose dehydrogenase) | β-글루코오스 |
| 글루코오스 산화효소(glucose oxidase) | β-글루코오스 |
| 콜레스테롤 에스테라아제(cholesterol esterase); 콜레스테롤 산화효소(cholesterol oxidase) |
콜레스테롤 |
| 지방 단백질 리파아제(Lipoprotain lipase); 글리세롤 키나아제(glycerol kinase); 글리세롤-3-인삼염 산화효소(glycerol-3-phosphate oxidase) |
트리글리세리드 (triglycerides) |
| 유산염 산화효소(lactate oxidase); 유산염 탈수소효소(lactate dehydrogenase); 디아포라제(diaphorase) |
유산염 |
| 파이루베이트 산화효소(pyruvate oxidase) | 파이루베이트 |
| 알코올 산화효소 | 알코올 |
| 빌리루빈 산화효소(bilirubin oxidase) | 빌리루빈 |
| 유리카제(uricase) | 요산 |
| 글루타티온 환원효소(glutathione reductase) | NAD(P)H |
| 탄소 일산화물 산화환원효소(carbon monoxide oxidoreductase) | 탄소 일산화물 |
Claims (48)
- 적어도 2 듀티 사이클을 가진 펄스 시퀀스를 시료에 인가하되, 각 듀티 사이클은 여기와 이완을 포함하고, 여기는 시간에 따라 변화되는 전위를 포함하며, 그리고 이완은 0.1에서 3초이고 여기 최대치에서 적어도 1/2의 전류 감소를 포함하는 단계;상기 여기 중의 적어도 하나로부터 결과 전류를 측정하는 단계; 및상기 결과 전류의 적어도 하나로부터 시료에서의 분석물의 농도를 결정하는 단계;를 포함하는 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제1항에 있어서,상기 이완은 여기 최대치에서의 전류 흐름 이하의 적어도 하나의 크기 순으로의 전류 흐름 감소를 포함하는 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제1항에 있어서,상기 이완은 영(0) 전류 흐름 상태로의 전류 감소를 포함하는 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제1항에 있어서,상기 여기는 0.1~1.5 초인 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제1항에 있어서,상기 이완은 0.1~2 초인 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제1항에 있어서,상기 펄스 시퀀스는 90초 내에서 적어도 3 듀티 사이클을 포함하는 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제1항에 있어서,상기 펄스 시퀀스는 5초 내에서 적어도 3 듀티 사이클을 포함하는 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제1항에 있어서,상기 시료에서의 분석물의 농도를 결정하는 단계는 2~50 초에 완료하는 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제1항에 있어서,상기 펄스 시퀀스는 터미널 리드 펄스를 더 포함하는 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제1항에 있어서,워킹 전극 상의 확산 배리어 층과 카운터 전극을 포함하는 센서 스트립에 펄스 시퀀스를 인가하는 단계를 더 포함하는 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제1항에 있어서,매개물질 백그라운드로 인한 바이어스(bias)가 있는 시료에서의 분석물의 농도를 결정하는 단계를 더 포함하고, 상기 바이어스는 적어도 2 듀티 사이클이 없는 펄스 시퀀스로부터 측정된 결과 전류에 대한 응답으로 결정된 분석물의 농도의 결정 시의 매개물질 백그라운드로 인한 바이어스 보다 작은 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제1항에 있어서,상기 시료는 생물학적 유체를 포함하는 액체인 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제1항에 있어서,상기 분석물은 글루코오스인 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제1항에 있어서,상기 여기는 적어도 2 mV/sec로 선형적으로 변화하는 전위를 포함하는 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제14항에 있어서,상기 여기는 선형, 순환, 비순환 및 그들의 조합으로 이루어지는 그룹으로부터 선택되는 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제14항에 있어서,상기 여기 동안 적어도 2개의 결과 전류 값이 기록되는 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제1항에 있어서,상기 여기는 비순환이고 시료내의 분석물의 농도에 반응하는 측정가능한 종의 역방향 산화 피크(reverse oxidation peak) 또는 역방향 환원 피크(reverse reduction peak)를 제외하는 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제17항에 있어서,시료에서의 분석물의 농도에 반응하지 않는 측정가능한 종으로부터의 바이어스가 있는 시료에서의 분석물의 농도를 결정하는 단계를 더 포함하고, 상기 바이어스는 순환 여기를 포함하는 펄스 시퀀스에 대한 반응으로 결정된 시료에서의 분석물의 농도의 결정 시의 시료의 분석물의 농도에 반응하지 않는 측정가능한 종으로부터의 바이어스보다 작은 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제1항에 있어서,상기 여기는 비순환이고 역방향 전류 피크의 개시 전에 종료하는 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제1항에 있어서,상기 여기는 비순환이고 시료내의 분석물의 농도에 반응하는 측정가능한 종의 순방향 및 역방향 산화 환원 피크를 제외하는 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제1항에 있어서,상기 여기는 비순환이고 산화 환원 반응 쌍의 확산 제한 전류 영역 내인 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제1항에 있어서,상기 결과 전류의 적어도 하나로부터 시료에서의 분석물의 농도를 결정하는 단계 전에 그 결과 전류로부터 적어도 하나의 윤곽 프로파일을 결정하는 단계를 더 포함하는 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제1항에 있어서,세미-적분, 세미-도함수 및 도함수로 이루어지는 그룹에서 선택된 적어도 하나의 데이터 처리를 상기 결과 전류에 적용하는 단계를 더 포함하는 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제1항에 있어서,상기 전류로부터 복수의 교정 상수 세트(calibration set)를 결정하는 단계를 더 포함하는 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제24항에 있어서,상기 복수의 교정 상수 세트로부터 펄스 시퀀스의 듀티 사이클의 개수를 결정하는 단계를 더 포함하는 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제24항에 있어서,상기 시료에서의 분석물 농도를 결정하는 단계는 상기 복수의 교정 상수 세트로부터 얻은 복수의 농도 값을 평균하는 단계를 포함하는 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제1항에 있어서,적어도 하나의 결과 전류를 기 선택된 값과 비교하는 단계; 및 상기 비교 단계로부터 시료를 수용하는 센서 스트립이 시료가 언더-필(under-fill)되는 지의 여부를 결정하는 단계를 더 포함하는 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제1항에 있어서,순방향 및 역방향 스캔 결과 전류로부터 비율(ratio)을 결정하는 단계; 및 센서 스트립의 활성 이온화제 내용물(content)을 결정하는 단계를 더 포함하는 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제28항에 있어서,상기 비율은 상기 활성 이온화제의 공지된 양에 미리 상관되어 있는 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제28항에 있어서,상기 센서 스트립의 활성 이온화제 내용물에 대응하여 교정 슬로프(calibration slope)를 변경하는 단계를 더 포함하는 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제1항에 있어서,상기 듀티 사이클의 여기/이완 시간 비율은 0.3~0.2인 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제31항에 있어서,정확도가 있는 시료에서의 분석물의 농도를 결정하는 단계를 더 포함하고, 상기 정확도는 0.3 이상의 듀티 사이클의 여기/이완 시간 비율을 갖는 펄스 시퀀스로부터의 결과 전류에 대응하여 결정된 시료에서의 분석물의 농도의 정확도 보다 더 큰 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제1항에 있어서,매개물질 백그라운드로 인한 바이어스(bias)가 있는 시료에서의 분석물의 농도를 결정하는 단계를 더 포함하고, 상기 바이어스는 적어도 2 듀티 사이클 미만을 갖는 펄스 시퀀스로부터의 결과 전류에 대응하여 결정된 분석물의 농도의 결정 시의 매개물질 백그라운드로 인한 바이어스보다 작은 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제1항에 있어서,적어도 2 듀티 사이클 동안 기록된 결과 전류로부터 복수의 교정 상수 세트를 결정하는 단계; 및 시료에서 분석물의 결정된 농도에 대응하는 펄스 시퀀스의 존속 구간을 결정하는 단계를 더 포함하는 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제1항에 있어서,적어도 하나의 결과 전류를 기 선택된 값과 비교하는 단계;상기 비교로부터 센서 스트립이 언더-필(under-fill)되는 지의 여부를 결정하는 단계; 및센서 스트립이 언더-필 되었다면 센서 스트립에 부가 시료를 추가하는 시그널링을 발생하는 단계를 더 포함하는 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 제35항에 있어서,상기 시그널링은 5초 미만으로 발생하는 것을 특징으로 하는 시료에서 분석물의 농도를 결정하는 전압 전류 측정 방법.
- 시료에서 분석물의 농도를 결정하기 위하여, 센서 스트립을 수용하도록 하는 포켓용 측정 디바이스로서,적어도 두 개의 접점;적어도 하나의 디스플레이; 및상기 적어도 두 개의 접점들과 상기 적어도 하나의 디스플레이 사이에서 전기 통신을 확립하는 전기회로를 포함하여 구성되고,상기 전기회로는 전기 충전기 및 컴퓨터로 읽기 가능한 저장매체와 전기통신하는 프로세서를 포함하며,상기 프로세서는 상기 전기 충전기로부터 상기 적어도 두 개의 접점으로 적어도 두 개의 듀티 사이클로 이루어지는 펄스 시퀀스를 인가하도록 동작할 수 있으며,상기 각 듀티 사이클은 여기와 이완을 포함하고, 상기 여기는 시간에 따라 변화하는 전위를 포함하며, 상기 이완 동안, 상기 전기 충전기는 0.1~3 초 동안 여기 최대치의 적어도 1/2의 전류 감소에 의해 상기 적어도 두 개의 접점으로의 전류 흐름을 감소하며,상기 프로세서는 상기 적어도 두 개의 접점에서 적어도 하나의 전류 프로파일을 측정하도록 동작할 수 있고,상기 프로세서는 상기 적어도 하나의 전류 프로파일에 대응하여 상기 시료에서 분석물 농도를 결정하도록 동작할 수 있는 것을 특징으로 하는 포켓용 측정 디바이스.
- 제37항에 있어서,상기 프로세서는 상기 시료에서 분석물을 결정하기 위하여 상기 전류 프로파일에 세미-적분, 세미-도함수 및 도함수로 이루어진 그룹에서 선택된 적어도 하나의 데이터 처리를 적용하도록 동작할 수 있는 것을 특징으로 하는 포켓용 측정 디바이스.
- 제37항에 있어서,상기 이완 동안 상기 전기 충전기는 여기 최대치에서 전류 흐름과 관련하는 적어도 하나의 크기 순으로 상기 적어도 두 개의 접점으로의 전류를 감소하는 것을 특징으로 하는 포켓용 측정 디바이스.
- 제37항에 있어서,상기 이완 동안 상기 프로세서는 상기 전기 충전기가 상기 적어도 두 개의 접점 사이의 회로를 개방하도록 지시하는 것을 특징으로 하는 포켓용 측정 디바이스.
- 제37항에 있어서,상기 프로세서는 다수의 전류 프로파일로부터 획득된 다수의 농도 값의 평균을 구하도록 동작할 수 있는 것을 특징으로 하는 포켓용 측정 디바이스.
- 제37항에 있어서,상기 프로세서는 상기 적어도 두 개의 접점과 전기적으로 통하는 센서 스트립이 시료에 언더-필되는지를 결정하도록, 컴퓨터로 읽기 가능한 저장 매체로부터 기 선택된 값과 적어도 하나의 전류 프로파일로부터의 적어도 하나의 전류를 비교할 수 있게 동작하는 것을 특징으로 하는 포켓용 측정 디바이스.
- 제42항에 있어서,상기 프로세서는 부가 시료를 부가하도록 사용자를 지시하는 디스플레이에 신호하도록 동작할 수 있는 것을 특징으로 하는 포켓용 측정 디바이스.
- 제37항에 있어서,상기 프로세서는 비율을 결정하도록 순방향과 역방향 스캔 결과 전류를 비교하고, 그 비율로부터 상기 적어도 두 개의 접점과 전기적으로 통하는 센서 스트립의 활성 이온화제 내용물을 결정하도록 동작할 수 있는 것을 특징으로 하는 포켓용 측정 디바이스.
- 제44항에 있어서,상기 프로세서는 센서 스트립의 활성 이온화제 내용물에 대응하여 컴퓨터로 읽기 가능한 저장 매체로부터 교정 상수 슬로프(calibration slope)를 변경하도록 동작할 수 있는 것을 특징으로 하는 포켓용 측정 디바이스.
- 제37항에 있어서,상기 프로세서와 상기 전기 충전기는 0.3~0.2의 듀티 사이클의 여기/이완 비율을 유지하도록 동작할 수 있는 것을 특징으로 하는 포켓용 측정 디바이스.
- 삭제
- 삭제
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