KR20160006701A - 전혈 샘플에 대해 혈장 중 분석물의 농도를 직접 측정하는 방법 - Google Patents
전혈 샘플에 대해 혈장 중 분석물의 농도를 직접 측정하는 방법 Download PDFInfo
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Abstract
■ 전혈 샘플의 헤마토크리트 수준을 측정하는 단계;
■ 상기 전혈 샘플에서 분석물 양을 직접 측정하는 단계; 및
■ 하기 관계:
로서, 여기서, 는 분석물 양의 보정값이고, 는 분석물 양의 측정값이고, 는 헤마토크리트 수준의 측정값이고, 는 불확정 값으로서 분석물 양의 측정값 및 헤마토크리트 수준의 측정값 을 가지고 상기 분석물에 의존하는 이의 다항식 계수를 가지는 1차 이상의 비상수 다항식인 것인 관계에 따라 분석물 양의 보정값을 계산하는 단계
를 포함한다.
Description
■ 도 1a 내지 1g 는 ELISA 또는 ELFA 타입의 종래 기술 "샌드위치" 분석물 농도 측정을 도시하는 단순도이고;
■ 도 2 는 본 발명에 다른 방법을 도시하는 흐름도이고;
■ 도 3 은 D-다이머에 적용된 다항식 보정 모델을 결정하고 검증하는데 사용된 샘플의 농도 및 헤마토크리트 수준 동질성을 도시하는 플롯이고;
■ 도 4 는 혈장의 D-다이머 농도의 측정치에 따라, 본 발명에 따른 보정 없이 전혈에서 측정된 D-다이머 농도를 도시하는 플롯이고;
■ 도 5 는 혈장에서 측정된 D-다이머 농도에 따라, 본 발명 및 종래 기술의 보정에 따라 수득된 상대 보정 오차의 검증 세트의 샘플에 대한 플롯이고;
■ 도 6 은 혈장에서 측정된 D-다이머 농도에 따라, 본 발명에 따라 보정된 D-다이머 농도의 검증 세트의 샘플에 대한 플롯이고;
■ 도 7 은 혈장에서 측정된 D-다이머 농도에 따라, 종래 기술에 따라 보정된 D-다이머 농도의 플롯이고;
■ 도 8 은 심장 트로포닌 I (TnI) 의 정량화의 맥락에서 적용된 다항식 보정 모델을 결정하는데 사용된 샘플의 농도 및 헤마토크리트 수준 동질성을 도시하는 결정 및 검증 세트의 샘플에 대한 플롯이고;
■ 도 9 는 혈장 샘플에서 측정된 TnI 농도에 따라, 본 발명에 따른 보정 없이 전혈 샘플에서 측정된 TnI 농도를 도시하는 플롯이고;
■ 도 10 은 혈장에서 측정된 TnI 농도에 따라, 본 발명 및 종래 기술의 보정에 따라 수득된 상대 보정 오차의 검증 세트의 샘플에 대한 플롯이고;
■ 도 11 은 혈장에서 측정된 TnI 농도에 따라, 본 발명에 따라 보정된 TnI 농도의 플롯이고;
■ 도 12 는 혈장에서 측정된 TnI 농도에 따라, 종래 기술에 따라 보정된 TnI 농도의 플롯이다.
Claims (13)
- 전혈 샘플에서 분석물의 양을 측정하는 방법으로서,
상기 방법은
■ 전혈 샘플의 헤마토크리트 수준 (haematocrit level) 을 측정하는 단계;
■ 상기 전혈 샘플에서 분석물 양을 직접 측정하는 단계; 및
■ 하기 관계:
로서, 여기서, 는 분석물 양의 보정값이고, 는 분석물 양의 측정값이고, 는 헤마토크리트 수준의 측정값이고, 는 불확정 값으로서 분석물 양의 측정값 및 헤마토크리트 수준의 측정값 을 가지고 상기 분석물에 의존하는 이의 다항식 계수를 가지는 1차 이상의 비상수 다항식 (non-constant polynomial) 인 것인 관계에 따라 분석물 양의 보정값을 계산하는 단계
를 포함하는 것을 특징으로 하는 방법. - 전혈 샘플에서 분석물의 농도를 측정하는 방법으로서,
상기 방법은
■ 전혈 샘플의 헤마토크리트 수준을 측정하는 단계;
■ 상기 전혈 샘플에서 분석물 양을 직접 측정하고, 상기 양의 측정값을 상기 샘플의 용적으로 나눔으로써 상기 양의 측정값을 농도로 변환시키는 단계; 및
■ 하기 관계:
로서, 여기서, 는 분석물 양의 보정값이고, 는 분석물 양의 측정값이고, 는 헤마토크리트 수준의 측정값이고, 는 불확정 값으로서 분석물 농도의 측정값 및 헤마토크리트 수준의 측정값 을 가지고 상기 분석물에 의존하는 이의 다항식 계수를 가지는 1차 이상의 비상수 다항식인 것인 관계에 따라 분석물 농도의 보정값을 계산하는 단계
를 포함하는 것을 특징으로 하는 방법. - 청구항 1 내지 청구항 9 중 어느 한 항에 있어서, 상기 분석물 양/농도는 ELISA 타입, ELFA 타입 또는 면역포획 타입 (immunocapture type) 의 면역검정 기술에 따라 측정되는 것을 특징으로 하는 방법.
- 전혈 샘플에서 혈장 중 분석물의 양을 측정하기 위한 장치로서,
상기 장치는
■ 전혈 샘플을 수용하기 위한 수단;
■ 상기 전혈 샘플에서 총 분석물 양을 측정하기 위한 수단;
■ 하기 관계:
로서, 여기서, 는 분석물 양의 보정값이고, 는 분석물 양의 측정값이고, 는 헤마토크리트 수준의 측정값이고, 는 불확정 값으로서 분석물 양의 측정값 및 헤마토크리트 수준의 측정값 을 가지고 상기 분석물에 의존하는 이의 다항식 계수를 가지는 1차 이상의 비상수 다항식인 것인 관계에 따라 분석물 양의 보정값을 계산하기 위한 수단
을 포함하는 것을 특징으로 하는 장치. - 전혈 샘플에서 혈장 중 분석물의 농도를 측정하기 위한 장치로서,
상기 장치는
■ 전혈 샘플을 수용하기 위한 수단;
■ 상기 전혈 샘플에서 총 분석물 양을 측정하기 위한 수단;
■ 상기 분석물 양을 농도로 변환시키기 위한 수단;
■ 전혈 샘플에서의 헤마토크리트 수준을 입력하거나 측정하기 위한 수단;
■ 하기 관계:
로서, 여기서, 는 분석물 농도의 보정값이고, 는 상기 양의 측정값 및 샘플 용적으로부터 계산된 분석물 농도이고, 는 헤마토크리트 수준의 측정값이고, 는 불확정 값으로서 상기 양의 측정값으로부터 수득된 분석물 농도 및 헤마토크리트 수준의 측정값 을 가지고 상기 분석물에 의존하는 이의 다항식 계수를 가지는 1차 이상의 비상수 다항식인 것인 관계에 따라 분석물 농도의 보정값을 계산하기 위한 수단
을 포함하는 것을 특징으로 하는 장치. - 청구항에 있어서, 상기 장치는 청구항 3 내지 청구항 10 중 어느 한 항의 방법을 실시할 수 있는 것을 특징으로 하는 장치.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1354276A FR3005505B1 (fr) | 2013-05-13 | 2013-05-13 | Procede de mesure de la concentration plasmatique d'un analyte directement sur un echantillon de sang total |
| FR1354276 | 2013-05-13 | ||
| PCT/FR2014/051086 WO2014184476A1 (fr) | 2013-05-13 | 2014-05-12 | Procede de mesure de la concentration plasmatique d'un analyte directement sur un echantillon de sang total |
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| US (2) | US10132800B2 (ko) |
| EP (1) | EP2997381B1 (ko) |
| JP (1) | JP6482532B2 (ko) |
| KR (1) | KR102192057B1 (ko) |
| CN (1) | CN105378483B (ko) |
| AU (1) | AU2014267078B2 (ko) |
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| EP4522985A1 (en) * | 2022-05-10 | 2025-03-19 | Radiometer Medical ApS | Determining an amount of analyte in plasma based on a measurement of an amount of analyte in a whole-blood sample |
| WO2025003087A1 (en) | 2023-06-26 | 2025-01-02 | Radiometer Medical Aps | Apparatus for measuring an amount of analyte in a biological sample |
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| JP2002071685A (ja) * | 2000-09-01 | 2002-03-12 | Horiba Ltd | テオフィリン測定装置 |
| KR20090079821A (ko) * | 2008-01-17 | 2009-07-22 | 라이프스캔, 인코포레이티드 | 샘플에서 어날라이트를 측정하기 위한 시스템 및 방법 |
| JP2009243955A (ja) * | 2008-03-28 | 2009-10-22 | Sekisui Chem Co Ltd | 血液凝固関連マーカー濃度の測定方法 |
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| JP2000262298A (ja) | 1999-03-15 | 2000-09-26 | Fuji Photo Film Co Ltd | 全血中のグルコース濃度もしくはコレステロール濃度の定量方法 |
| JP4299597B2 (ja) * | 2002-07-29 | 2009-07-22 | シスメックス株式会社 | 血液分析装置及び方法 |
| ES2375288T3 (es) | 2006-10-05 | 2012-02-28 | Lifescan Scotland Limited | Procedimiento para determinar concentraciones de analito corregidas con hematocrito. |
| EP3438661B1 (en) * | 2007-12-10 | 2022-08-03 | Ascensia Diabetes Care Holdings AG | Slope-based compensation |
| CA2810601C (en) | 2010-09-13 | 2020-02-18 | Adam Craggs | Analyte measurement method and system with hematocrit compensation |
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- 2014-05-12 WO PCT/FR2014/051086 patent/WO2014184476A1/fr not_active Ceased
- 2014-05-12 CN CN201480028010.4A patent/CN105378483B/zh active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002071685A (ja) * | 2000-09-01 | 2002-03-12 | Horiba Ltd | テオフィリン測定装置 |
| KR20090079821A (ko) * | 2008-01-17 | 2009-07-22 | 라이프스캔, 인코포레이티드 | 샘플에서 어날라이트를 측정하기 위한 시스템 및 방법 |
| JP2009243955A (ja) * | 2008-03-28 | 2009-10-22 | Sekisui Chem Co Ltd | 血液凝固関連マーカー濃度の測定方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2997381B1 (fr) | 2018-04-11 |
| JP6482532B2 (ja) | 2019-03-13 |
| FR3005505A1 (fr) | 2014-11-14 |
| JP2016519316A (ja) | 2016-06-30 |
| US20160116463A1 (en) | 2016-04-28 |
| CN105378483A (zh) | 2016-03-02 |
| CN105378483B (zh) | 2018-08-14 |
| AU2014267078A1 (en) | 2015-11-12 |
| FR3005505B1 (fr) | 2015-05-01 |
| WO2014184476A1 (fr) | 2014-11-20 |
| KR102192057B1 (ko) | 2020-12-16 |
| AU2014267078B2 (en) | 2018-06-28 |
| US10132800B2 (en) | 2018-11-20 |
| US11747328B2 (en) | 2023-09-05 |
| EP2997381A1 (fr) | 2016-03-23 |
| US20190056387A1 (en) | 2019-02-21 |
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