JP6757400B2 - 成分測定装置、成分測定方法及び成分測定プログラム - Google Patents
成分測定装置、成分測定方法及び成分測定プログラム Download PDFInfo
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- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
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Description
2:成分測定チップ
10:ハウジング
10a:本体部
10b:チップ装着部
11:表示部
12:取り外しレバー
13:電源ボタン
14:操作ボタン
21:ベース部材
22:発色試薬(試薬)
23:流路
24:供給部
25:カバー部材
26:イジェクトピン
60:演算部
62:メモリ
63:電源回路
64:測定光学系
66:発光部
67a〜67d:第1光源〜第4光源
68:第5光源
70:発光制御回路
72:受光部
74:受光制御回路
76:測定指示部
77:濃度測定部
78:吸光度取得部
84:吸光度補正部
85:実測値データ
86:補正係数データ
90:検量線データ
100:成分測定装置セット
D1〜D5:第1実測値〜第5実測値
S:チップ装着空間
W1:長波長域
W2:短波長域
W3:半値全幅域に対応する波長範囲
X:混合物
λ1〜λ5:第1波長〜第5波長
Claims (15)
- 血液中の被測定成分と試薬との呈色反応により呈色した色素成分を含む混合物の光学的特性に基づいて前記血液中の被測定成分を測定する成分測定装置であって、
散乱光の情報と、赤血球中の還元ヘモグロビンと酸化ヘモグロビンとの比率と、に基づいて、測定波長における前記混合物の吸光度の実測値を補正する成分測定装置。 - 前記実測値を第5実測値とした場合に、
前記色素成分の吸光度スペクトルにおけるピーク波長域の半値全幅域に対応する波長範囲に属する前記測定波長よりも長波長域に属する第1波長及び第2波長それぞれにおける前記混合物の吸光度である第1実測値及び第2実測値、前記半値全幅域に対応する前記波長範囲に属する前記測定波長よりも短波長域に属する第3波長及び第4波長それぞれにおける前記混合物の吸光度である第3実測値及び第4実測値、並びに、前記測定波長における前記混合物の吸光度である前記第5実測値、を取得する吸光度取得部と、
前記第5実測値を、前記第1実測値〜第4実測値を用いて補正する吸光度補正部と、を備え、
前記第3波長として、還元ヘモグロビンと酸化ヘモグロビンとの吸収係数の差が、所定値以下となる波長を用いると共に、前記第4波長として、前記吸収係数の差が、前記所定値より大きくなる波長を用いる、請求項1に記載の成分測定装置。 - 前記第3波長として、還元ヘモグロビンの吸収係数に対する酸化ヘモグロビンの吸収係数の比率が、所定の閾値以上となる波長を用いると共に、前記第4波長として、還元ヘモグロビンの吸収係数に対する酸化ヘモグロビンの吸収係数の比率が、前記所定の閾値未満となる波長を用いる、請求項2に記載の成分測定装置。
- 前記第3波長として、還元ヘモグロビンの吸収係数と酸化ヘモグロビンの吸収係数とが等しい波長を用いる、請求項2又は3に記載の成分測定装置。
- 前記第3波長は、520nm〜550nmの範囲又は565nm〜585nmの範囲に属する、請求項2乃至4のいずれか1つに記載の成分測定装置。
- 前記第4波長は、550nmより大きく、かつ、565nm未満の範囲に属する、又は、585nmより大きく、かつ、600nm未満の範囲に属する、請求項5に記載の成分測定装置。
- 前記所定値を第1の所定値とした場合に、
前記第1波長として、還元ヘモグロビンと酸化ヘモグロビンとの吸収係数の差が、第2の所定値以下となる波長を用いると共に、前記第2波長として、前記第2の所定値より大きくなる波長を用いる、請求項2乃至6のいずれか1つに記載の成分測定装置。 - 前記所定の閾値を第1閾値とした場合に、
前記第1波長として、還元ヘモグロビンの吸収係数に対する酸化ヘモグロビンの吸収係数の比率が、前記第1閾値以上、かつ、第2閾値以下となる波長を用いると共に、前記第2波長として、還元ヘモグロビンの吸収係数に対する酸化ヘモグロビンの吸収係数の比率が、前記第1閾値未満となる波長、又は、前記第2閾値より大きくなる波長を用いる、請求項3に記載の成分測定装置。 - 前記第1波長として、還元ヘモグロビンの吸収係数と酸化ヘモグロビンの吸収係数とが等しい波長を用いる、請求項7又は8に記載の成分測定装置。
- 前記第1波長は、790nm〜810nmの範囲に属する、請求項7乃至9のいずれか1つに記載の成分測定装置。
- 前記第2波長は、前記色素成分の吸光度が、前記測定波長における前記色素成分の吸光度の10%以下となる波長に属する、請求項7乃至10のいずれか1つに記載の成分測定装置。
- 前記第2波長は、前記色素成分の吸光度が、前記測定波長における前記色素成分の吸光度の0%となる波長である、請求項11に記載の成分測定装置。
- 前記測定波長は、600nm以上、かつ、700nm以下の範囲に属する、請求項1乃至12のいずれか1つに記載の成分測定装置。
- 血液中の被測定成分と試薬との呈色反応により呈色した色素成分を含む混合物の光学的特性に基づいて前記血液中の被測定成分を測定する成分測定方法であって、
散乱光の情報と、赤血球中の還元ヘモグロビンと酸化ヘモグロビンとの比率と、に基づいて、測定波長における前記混合物の吸光度の実測値を補正する成分測定方法。 - 血液中の被測定成分と試薬との呈色反応により呈色した色素成分を含む混合物の光学的特性に基づいて前記血液中の被測定成分を測定するための成分測定プログラムであって、
散乱光の情報と、赤血球中の還元ヘモグロビンと酸化ヘモグロビンとの比率と、に基づいて、測定波長における前記混合物の吸光度の実測値を補正することを、成分測定装置に実行させる成分測定プログラム。
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CN108872227B (zh) * | 2018-08-30 | 2021-07-06 | 河南省科学院高新技术研究中心 | 一种快速鉴别温县铁棍山药的试剂及其鉴别方法 |
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