JP7280390B2 - レーザマイクロアレイチップスキャナの濃度勾配蛍光校正シート及び校正方法 - Google Patents
レーザマイクロアレイチップスキャナの濃度勾配蛍光校正シート及び校正方法 Download PDFInfo
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- JP7280390B2 JP7280390B2 JP2021572844A JP2021572844A JP7280390B2 JP 7280390 B2 JP7280390 B2 JP 7280390B2 JP 2021572844 A JP2021572844 A JP 2021572844A JP 2021572844 A JP2021572844 A JP 2021572844A JP 7280390 B2 JP7280390 B2 JP 7280390B2
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- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
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- G01N21/274—Calibration, base line adjustment, drift correction
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- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/645—Specially adapted constructive features of fluorimeters
- G01N21/6456—Spatial resolved fluorescence measurements; Imaging
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- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/645—Specially adapted constructive features of fluorimeters
- G01N21/6452—Individual samples arranged in a regular 2D-array, e.g. multiwell plates
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- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/645—Specially adapted constructive features of fluorimeters
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Description
[表1]実施形態における3つの群の走査パラメータの蛍光体ドット信号値
Claims (7)
- ガラス基板と前記ガラス基板の表面上に配置された無機ナノ蛍光液格子とを含み、
前記無機ナノ蛍光液格子が多数の無機ナノ蛍光液副格子を含み、各無機ナノ蛍光液副格子の無機蛍光混合液滴がA行×B列に配置され、前記無機ナノ蛍光液副格子内の同一行における無機ナノ蛍光液滴の溶液濃度が同一であり、2つの隣接する行の無機ナノ蛍光液滴の溶液濃度が傾斜的に倍数で増減し、Aが5-20、Bが10-40であるレーザマイクロアレイチップスキャナの濃度勾配蛍光校正シートが被試験スキャナを校正するために利用され、前記無機ナノ蛍光液副格子内の1行目の無機ナノ蛍光液滴が指標マークとされ、
各被試験スキャナが少なくとも3つの群の異なる走査パラメータによって校正され、前記少なくとも3つの群の異なる走査パラメータは互いにレーザ強度が異なり、
前記無機ナノ蛍光液副格子内の各無機ナノ蛍光液滴における蛍光体ドット信号値が対応する溶液濃度の単一の測定値とされ、前記濃度勾配蛍光校正シートが標準スキャナで走査された後、対応する各無機ナノ蛍光液滴における蛍光体ドット信号値の対数値を横座標とし、又、前記濃度勾配蛍光校正シートが被試験スキャナで走査された後、対応する各無機ナノ蛍光液滴における蛍光体ドット信号値の対数値を縦座標とすることで図が作成され、調査を通して曲線間の線形関係の相関係数R 2 が得られ、
前記相関係数R 2 を得るに当たって、信号飽和を有する蛍光体ドットは前記少なくとも3つの群の異なる走査パラメータから抽出された蛍光体ドット信号値から除去され、
前記相関係数R 2 がいずれも所定値より大きい場合、前記被試験スキャナが正常な校正結果を有し、良好な状態で使用できることが示されることを特徴とするレーザマイクロアレイチップスキャナの校正方法。 - 各群の前記走査パラメータの前記相関係数R2が0.90より大きいことを特徴とする請求項1に記載のレーザマイクロアレイチップスキャナの校正方法。
- 前記ガラス基板がその表面上を化学的に修飾又はポリマー膜で被覆されている前記濃度勾配蛍光校正シートを使用することを特徴とする請求項1又は2に記載のレーザマイクロアレイチップスキャナの校正方法。
- 前記無機ナノ蛍光液格子が前記ガラス基板上に均一に分布及び配置された8個以下の前記無機ナノ蛍光液副格子を含む前記濃度勾配蛍光校正シートを使用することを特徴とする請求項1又は2に記載のレーザマイクロアレイチップスキャナの校正方法。
- 隣接する前記無機ナノ蛍光液副格子間のアレイ間隔が同一であり、隣接する前記無機ナノ蛍光液副格子間のドット間隔が同一であり、かつ350μm以上である前記濃度勾配蛍光校正シートを使用することを特徴とする請求項1、2又は4に記載のレーザマイクロアレイチップスキャナの校正方法。
- 前記無機ナノ蛍光液副格子内の1行目の無機ナノ蛍光液滴及び最終行の無機ナノ蛍光液滴の溶液濃度が最大であり、2行目の無機ナノ蛍光液滴から、最後から2番目の無機ナノ蛍光液滴まで、溶液濃度が正の倍数で増加する線形関係を有し、同一の前記無機ナノ蛍光液副格子内の溶液の濃度勾配が12濃度勾配以下である前記濃度勾配蛍光校正シートを使用することを特徴とする請求項1又は2に記載のレーザマイクロアレイチップスキャナの校正方法。
- 1行目の無機ナノ蛍光液滴及び最終行の無機ナノ蛍光液滴の蛍光体ドット信号値が最大65535であり、2行目の無機ナノ蛍光液滴の蛍光体ドット信号値が1000~3000であり、最後から2番目の無機ナノ蛍光液滴の蛍光体ドット信号値が60000~65535である前記濃度勾配蛍光校正シートを使用することを特徴とする請求項6に記載のレーザマイクロアレイチップスキャナの校正方法。
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CN110865058A (zh) | 2019-11-21 | 2020-03-06 | 成都博奥独立医学实验室有限公司 | 激光微阵列芯片扫描仪的浓度梯度荧光校准片及校准方法 |
CN111751339B (zh) * | 2020-06-23 | 2023-03-28 | 成都博奥晶芯生物科技有限公司 | 一种微阵列芯片激光共焦扫描仪的校准方法 |
CN112342276B (zh) * | 2020-11-09 | 2024-05-24 | 成都博奥独立医学实验室有限公司 | 核酸二级结构非特异荧光吸附用于微流控芯片检测的方法 |
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