JP2013543116A - エラー検出を有するグルコースの電気化学的測定法 - Google Patents
エラー検出を有するグルコースの電気化学的測定法 Download PDFInfo
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- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/66—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving blood sugars, e.g. galactose
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Abstract
【選択図】なし
Description
GO(red)+2Fe(CN)63−→GO(ox)+2Fe(CN)64−(B)
Gはヘマトクリット値補正されたグルコース濃度であり、
I1は第1の検査電流であり、
I2は第2の検査電流であり、
I3は第3の検査電流であり、
I4は第2の検査電流であり、
I5は第3の検査電流であり、
a及びbは、実験により導き出されるチューニングパラメータであり、
切片は、
勾配は、
IWE1@tn=第2(second)の作用電極で時間tnにサンプリングした電流、
tn〜1.1秒、好ましくは1.12秒、及び
K〜本明細書の特定の実施形態では1〜2、好ましくは1.4である。
Claims (17)
- テストストリップと、マイクロプロセッサを含む検査回路を有する計測器とを有するシステムを用いてグルコース濃度を測定する方法であって、
前記テストストリップの参照電極と試薬層でコーティングされた第2の作用電極との間、及び前記参照電極と試薬層でコーティングされた第1の作用電極との間の化学反応を開始させる工程と、
前記第1及び前記第2の作用電極の一方の一次検査電流及び二次検査電流を測定する工程と、
前記一次検査電流と前記二次検査電流との差がゼロ未満かどうかを判定する工程と、
真と判定された場合には、前記の複数の検査電流に基づいてグルコース濃度を導出し、真でない場合にはエラーを戻す工程と、を含む方法。 - 前記一次検査電流が、サンプリングステップのほぼ開始時にサンプリングされた電流を含む、請求項1に記載の方法。
- 前記二次検査電流が、前記サンプリングステップの開始後約0.8秒でサンプリングされた電流を含む、請求項1に記載の方法。
- 前記第2及び前記第1の作用電極のそれぞれからサンプリングしたそれぞれの三次検査電流から電流比を決定する工程と、
前記第2の作用電極と前記第1の作用電極との前記電流比が約Kより大きい場合には、導出ステップを飛び越えて進む工程と、を更に含む、請求項1に記載の方法。 - Kが約1〜約2の定数を有する、請求項4に記載の方法。
- Kが約1.4の定数を有する、請求項4に記載の方法。
- テストストリップと、マイクロプロセッサを含む検査回路を有する計測器とを有するシステムを用いてグルコース濃度を測定する方法であって、
前記テストストリップの参照電極と試薬層でコーティングされた第2の作用電極との間、及び前記参照電極と試薬層でコーティングされた第1の作用電極との間の化学反応を開始させる工程と、
血液試料を前記テストストリップに適用した後に、複数の検査電流をサンプリングする工程と、
前記第2及び前記第1の作用電極のそれぞれからサンプリングしたそれぞれの三次検査電流から電流比を決定する工程と、
前記第2の作用電極と前記第1の作用電極との電流比がK未満であるかどうか質問し、真である場合、前記複数の検査電流に基づいてグルコース濃度を導出し、真でない場合には、エラーを戻す工程と、を含む方法。 - 前記第1及び前記第2の作用電極の一方の一次検査電流及び二次検査電流を測定する工程と、
前記一次検査電流と前記二次検査電流との差が約ゼロ未満かどうかを判定する工程と、
真と判定された場合には、導出ステップを終了させる工程と、を更に含む、請求項7に記載の方法。 - テストストリップと、マイクロプロセッサを含む検査回路を有する計測器とを有するシステムを用いてグルコース濃度を測定する方法であって、
前記テストストリップの参照電極と試薬層でコーティングされた第2の作用電極との間、及び前記参照電極と試薬層でコーティングされた第1の作用電極との間の化学反応を開始させる工程と、
前記第1及び前記第2の作用電極の一方の一次検査電流及び二次検査電流を測定する工程と、
前記一次検査電流と前記二次検査電流との差がゼロ未満かどうかを判定する工程と、
前記第2及び前記第1の作用電極のそれぞれからサンプリングしたそれぞれの三次検査電流から電流比を決定する工程と、
前記第2及び前記第1の作用電極のそれぞれからサンプリングしたそれぞれの三次検査電流から得た電流比が、約Kより大きいかどうか評価する工程と、
前記判定する工程又は前記評価する工程の一方又は両方が真である場合にはエラーを戻し、真でない場合には、前記複数の検査電流に基づいてグルコース濃度を導出する工程と、を含む方法。 - 前記複数の測定された又はサンプリングされた検査電流が、第1、第2、第3、第4、及び第5の検査電流を有し、Kが約1.0〜約1.4の値を有する、請求項1、7、又は9のいずれか一項に記載の方法。
- 前記第1の検査電流が、前記測定の開始後約0.98〜約1.00秒で測定された検査電流を有する、請求項10に記載の方法。
- 前記第2の電流が、前記測定の開始後約1.98〜約2.00秒で測定された検査電流を有する、請求項10に記載の方法。
- 前記第3の電流が、前記測定の開始後約2.43〜約2.45秒で測定された検査電流を含む、請求項10に記載の方法。
- 前記第4の電流が、前記測定の開始後約2.61〜約2.63秒で測定された検査電流を含む、請求項10に記載の方法。
- 前記第5の電流が、前記測定の開始後約2.70〜約2.72秒で測定された検査電流を含む、請求項10に記載の方法。
- 第1のチューニングパラメータが約9.9〜約10.2の値を有し、第2のチューニングパラメータが約10.8〜約11.2の値を有する、請求項16に記載の方法。
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US9435762B2 (en) * | 2013-06-27 | 2016-09-06 | Lifescan Scotland Limited | Fill error trap for an analyte measurement determined from a specified sampling time derived from a sensed physical characteristic of the sample containing the analyte |
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KR102179203B1 (ko) * | 2018-07-09 | 2020-11-16 | 주식회사 필로시스 | 혈당 센싱 데이터 판별 방법 및 장치 |
KR102226295B1 (ko) * | 2019-10-15 | 2021-03-10 | 주식회사 비바이오 | 생체물질 센싱용 스트립 및 그 제조 방법 |
CN114002292B (zh) * | 2021-11-02 | 2024-03-08 | 深圳清华大学研究院 | 一种唾液血糖校正装置及方法 |
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RU2577366C2 (ru) | 2016-03-20 |
CN103237897B (zh) | 2015-11-25 |
CN105181776A (zh) | 2015-12-23 |
RU2013119604A (ru) | 2014-11-10 |
EP2770063B1 (en) | 2017-04-19 |
AU2011309958B2 (en) | 2015-11-26 |
CN105181776B (zh) | 2018-09-18 |
CA3059188A1 (en) | 2012-04-05 |
ES2628537T3 (es) | 2017-08-03 |
WO2012042211A3 (en) | 2012-05-24 |
EP2622092A2 (en) | 2013-08-07 |
CA2811565A1 (en) | 2012-04-05 |
EP2770063A1 (en) | 2014-08-27 |
CN103237897A (zh) | 2013-08-07 |
WO2012042211A2 (en) | 2012-04-05 |
AU2011309958A1 (en) | 2013-05-02 |
ES2552454T3 (es) | 2015-11-30 |
BR112013007158A2 (pt) | 2016-06-14 |
CA2811565C (en) | 2019-12-17 |
EP2622092B1 (en) | 2015-08-12 |
US9618517B2 (en) | 2017-04-11 |
KR20140005156A (ko) | 2014-01-14 |
JP5964835B2 (ja) | 2016-08-03 |
HK1188256A1 (zh) | 2014-04-25 |
HK1201566A1 (en) | 2015-09-04 |
US20130217053A1 (en) | 2013-08-22 |
KR101966611B1 (ko) | 2019-04-09 |
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