KR20150123335A - 분석물질의 전기화학적 측정을 페일세이프하는 방법들 뿐만 아니라 상기 방법들을 통합한 기기들, 장치들 및 시스템들 - Google Patents
분석물질의 전기화학적 측정을 페일세이프하는 방법들 뿐만 아니라 상기 방법들을 통합한 기기들, 장치들 및 시스템들 Download PDFInfo
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- KR20150123335A KR20150123335A KR1020157028265A KR20157028265A KR20150123335A KR 20150123335 A KR20150123335 A KR 20150123335A KR 1020157028265 A KR1020157028265 A KR 1020157028265A KR 20157028265 A KR20157028265 A KR 20157028265A KR 20150123335 A KR20150123335 A KR 20150123335A
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Abstract
Description
도 2 는 측정기와 바이오센서를 포함한 예시적 분석물질 측정 시스템을 도시한다.
도 3 은 분석물질 측정 기기, 장치 또는 시스템에 의해 이용될 수도 있는 예시적 테스트 시퀀스를 도시한다.
도 4 는 항산화제 (예컨대, 아스코르브산염) 페일세이프 없는 예시적 테스트 결과들의 그래프이다.
도 5 는 항산화제 아스코르브산염 페일세이프를 갖는 예시적 테스트 결과들의 그래프이다.
도 6 은 분석물질 테스트 시스템에 의해 이용될 수도 있는 다른 예시적 테스트 시퀀스를 도시한다.
도 7 은 다른 레벨들의 아스코르브산염을 이용한 다수의 테스트 샘플들에 대한 펄스 DC 전위에 대한 전류 응답들을 도시한다.
도 8 은 0 ㎎/dL ~ 400 ㎎/dL 범위의 아스코르브산염 레벨들과 120 ㎎/dL 의 포도당 레벨을 갖는 일련의 혈액 샘플들에 대한 전류 응답들을 도시한다.
도 9 는 QDI 특성 및 PDA 특성을 강조한 도 8 의 일부분의 보다 상세한 도면을 도시한다.
도 10 은 QDI 피크 전류 (단위; nA) 대 기준 아스코르브산염 (단위; ㎎/dL) 의 그래프이다.
도 11 은 PDA 피크 전류 (단위; nA) 대 기준 아스코르브산염 (단위; ㎎/dL) 의 그래프이다.
Claims (16)
- 항산화제 간섭으로부터 분석물질의 전기화학적 측정을 페일세이프하는 방법으로서,
상기 방법은:
전기화학적 바이오센서에 전기 테스트 시퀀스를 적용하는 단계로서, 상기 바이오센서는:
전극 시스템,
상기 전극 시스템과 전기적으로 통신하는 산화환원 매개체를 포함하는 시약, 및
상기 바이오센서에 제공된 유체 샘플과 접촉하도록 구성된 리셉터클 (receptacle) 을 포함하고,
상기 유체 샘플은 상기 시약과 유동적으로 접촉하고, 상기 테스트 시퀀스는 적어도 하나의 직류 (DC) 블록을 포함하고, 상기 적어도 하나의 DC 블록은 적어도 하나의 회복 전위를 포함하고, 상기 전극 시스템의 폐회로 조건이 상기 적어도 하나의 회복 전위 동안 유지되는, 상기 전기화학적 바이오센서에 전기 테스트 시퀀스를 적용하는 단계;
상기 적어도 하나의 회복 전위로부터의 정보를 포함한, 상기 테스트 시퀀스에 대한 전류 응답 정보를 측정하는 단계; 및
항산화제가 분석물질 농도를 간섭하는지 여부를 결정하기 위해서 분류기 또는 분별기 중 어느 하나를 사용해 통계적 항산화제 페일세이프를 제공하는 단계로서, 상기 통계적 항산화제 페일세이프는 상기 산화환원 매개체에 관련된 적어도 하나의 DC 블록으로부터의 정보를 기반으로 하는, 상기 통계적 항산화제 페일세이프를 제공하는 단계를 포함하는, 항산화제 간섭으로부터 분석물질의 전기화학적 측정을 페일세이프하는 방법. - 제 1 항에 있어서,
상기 DC 블록은 여기 전위와 회복 전위 사이에서 교번하는 펄스 시퀀스를 포함하는, 항산화제 간섭으로부터 분석물질의 전기화학적 측정을 페일세이프하는 방법. - 제 1 항 또는 제 2 항에 있어서,
상기 여기 전위에 대한 여기 전류 응답 및 상기 회복 전위에 대한 회복 전류 응답의 정보를 측정하는 단계; 및
상기 여기 전류 응답 및 상기 회복 전류 응답의 정보를 이용한 유체 샘플의 분석물질 농도를 결정하는 단계로서, 상기 결정하는 단계는 적어도 하나의 간섭물을 보상하는, 상기 유체 샘플의 분석물질 농도를 결정하는 단계를 더 포함하는, 항산화제 간섭으로부터 분석물질의 전기화학적 측정을 페일세이프하는 방법. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
항산화제 결정은 적어도 10/10 오퍼레이션 (operation) 을 제공하기 위해서 이용되는, 항산화제 간섭으로부터 분석물질의 전기화학적 측정을 페일세이프하는 방법. - 제 1 항 내지 제 5 항 중 어느 한 항에 있어서,
상기 항산화제 결정은 분석물질 농도 측정 또는 결정을 적어도 부분적으로 리젝트 (reject) 하는, 항산화제 간섭으로부터 분석물질의 전기화학적 측정을 페일세이프하는 방법. - 제 1 항 내지 제 6 항 중 어느 한 항에 있어서,
상기 항산화제 결정은 분석물질 측정 또는 결정을 적어도 부분적으로 보정하는, 항산화제 간섭으로부터 분석물질의 전기화학적 측정을 페일세이프하는 방법. - 제 1 항 내지 제 7 항 중 어느 한 항에 있어서,
항산화제 레벨이 10 ㎎/dL 을 초과하는 것으로 결정되면 상기 페일세이프가 활성화되는, 항산화제 간섭으로부터 분석물질의 전기화학적 측정을 페일세이프하는 방법. - 유체 샘플 중 분석물질의 전기화학적 측정을 페일세이프하는 방법으로서,
상기 방법은:
전기화학적 바이오센서에 전기 테스트 시퀀스를 적용하는 단계로서, 상기 바이오센서는:
전극 시스템,
상기 전극 시스템과 전기적으로 통신하는 산화환원 매개체를 포함하는 시약, 및
상기 바이오센서에 제공된 상기 유체 샘플과 접촉하도록 구성된 리셉터클을 포함하고,
상기 유체 샘플은 상기 시약과 유동적으로 접촉하고, 상기 테스트 시퀀스는 적어도 하나의 직류 (DC) 블록을 포함하고, 상기 적어도 하나의 DC 블록은 두 가지 다른 램프 속도들에서 약 -450 ㎷ ~ 약 +450 ㎷ 사이에서 교번하는 저속 램핑된 이극성 전위 (SRBP) 이고, 상기 전극 시스템의 폐회로 조건은 상기 DC 블록 중 유지되는, 상기 전기화학적 바이오센서에 전기 테스트 시퀀스를 적용하는 단계;
상기 테스트 시퀀스에 대한 응답으로부터 정보를 측정하는 단계; 및
산화환원 매개체의 산화된 형태 (Mox) 대 산화환원 매개체의 환원된 형태 (Mred) 의 비를 기반으로 시약층 헬스 페일세이프를 제공하는 단계로서, 상기 페일세이프는 Mred 가 미리 정해진 레벨을 초과하면 분석물질 농도의 보고를 방지하는, 상기 시약층 헬스 페일세이프를 제공하는 단계를 포함하는, 유체 샘플 중 분석물질의 전기화학적 측정을 페일세이프하는 방법. - 제 9 항에 있어서,
상기 페일세이프는 예상된 Mox 특성이 부족할 때 활성화되는, 유체 샘플 중 분석물질의 전기화학적 측정을 페일세이프하는 방법. - 제 9 항 또는 제 10 항에 있어서,
상기 테스트 시퀀스는 적어도 하나의 교류 (AC) 블록을 더 포함하는, 유체 샘플 중 분석물질의 전기화학적 측정을 페일세이프하는 방법. - 제 9 항 내지 제 11 항 중 어느 한 항에 있어서,
상기 테스트 시퀀스는 제 2 DC 블록을 더 포함하는, 유체 샘플 중 분석물질의 전기화학적 측정을 페일세이프하는 방법. - 제 1 항 내지 제 12 항 중 어느 한 항의 방법을 수행하도록 구성된 분석물질 농도 측정 기기.
- 제 13 항에 있어서,
상기 분석물질 농도 측정 기기는 혈당 측정기인, 분석물질 농도 측정 기기. - 제 1 항 내지 제 12 항 중 어느 한 항의 방법을 수행하도록 구성된 분석물질 농도 결정 시스템.
- 제 15 항에 있어서,
상기 분석물질 농도 결정 시스템은 자체 모니터링 혈당 (SMBG) 시스템인, 분석물질 농도 결정 시스템.
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2014
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- 2014-03-13 CA CA2900883A patent/CA2900883C/en active Active
- 2014-03-13 KR KR1020157028265A patent/KR101732300B1/ko active Active
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EP2972268B1 (en) | 2017-05-24 |
US20150377828A1 (en) | 2015-12-31 |
CA2900883A1 (en) | 2014-09-18 |
PL2972268T3 (pl) | 2017-10-31 |
KR101732300B1 (ko) | 2017-05-02 |
HK1220767A1 (zh) | 2017-05-12 |
CA2900883C (en) | 2017-10-24 |
EP2972268A1 (en) | 2016-01-20 |
CN105283757A (zh) | 2016-01-27 |
JP2016510121A (ja) | 2016-04-04 |
JP6412027B2 (ja) | 2018-10-24 |
US9594052B2 (en) | 2017-03-14 |
CN105283757B (zh) | 2019-04-23 |
ES2634896T3 (es) | 2017-09-29 |
WO2014140172A1 (en) | 2014-09-18 |
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