JP7441965B2 - 生体試料内への試薬の浸透を評価するためのir分光法の使用 - Google Patents
生体試料内への試薬の浸透を評価するためのir分光法の使用 Download PDFInfo
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- G—PHYSICS
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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
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- G01N21/552—Attenuated total reflection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- 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
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
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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
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
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Description
Claims (7)
- IR源およびIR検出器に動作可能に接続されたサンプル受容面または界面を画定する結晶を含むATR-IRサンプル測定デバイスを有する分光システムまたはデバイスを構成することと、
サンプル材料を前記ATR-IRサンプル測定デバイス上に配置して、前記サンプル材料を前記サンプル受容面または界面と直接接触させることと、
前記IR源を採用して、前記サンプル材料が前記サンプル受容面または界面に接している間に、前記結晶を通って伝播する内部反射IRビームを生成することと、
前記IR検出器を使用して、前記結晶の減衰IRビームの出力を記録することと、
前記減衰IRビームを使用して1または複数のIRスペクトルを生成または提供することと、
1または複数のIRスペクトルを評価して、前記サンプル材料内の固定物質の存在を示す信号が存在するかどうかを判定することと、
を含み、
前記固定物質は、ホルムアルデヒドであり、
前記サンプル材料は、組織サンプルである、減衰全反射赤外線(Attenuated Total Reflection Infrared:ATR-IR)サンプル材料測定方法。 - サンプル材料を前記ATR-IRサンプル測定デバイス上に配置して、前記サンプル材料を前記サンプル受容面または界面と直接接触させることと、
前記IR源を採用して、前記サンプル材料が前記サンプル受容面または界面に接している間に、前記結晶を通って伝播する内部反射IRビームを生成することと、
前記IR検出器を使用して、前記結晶の減衰IRビームの出力を記録することと、
前記減衰IRビームを使用して1または複数のIRスペクトルを生成または提供することと、
1または複数のIRスペクトルを評価して、前記サンプル材料内の固定物質の存在を示す信号が存在するかどうかを判定することは、
前記サンプル材料の対象領域の周囲またはそれに隣接するさまざまな位置で繰り返し実行される、請求項1に記載の減衰全反射赤外線(ATR-IR)サンプル材料測定方法。 - 前記サンプル材料を配置する前に、前記サンプル材料内の選択された深さ位置で材料を露出させるために前記サンプル材料を切断することをさらに含み、
サンプル材料を配置するステップは、前記サンプル材料を前記ATR-IRサンプル測定デバイス上に配置して、前記選択された深さ位置での露出した材料を前記サンプル受容面または界面と直接接触させることを含む、請求項1に記載の減衰全反射赤外線(ATR-IR)サンプル材料測定方法。 - 前記選択された深さ位置は、前記サンプル材料の厚さの約半分である、請求項3に記載の減衰全反射赤外線(ATR-IR)サンプル材料測定方法。
- 前記サンプル材料を切断した後、前記サンプル材料を配置する前に、前記選択された深さ位置での前記露出した材料を含む前記サンプル材料上の余分な流体を洗浄および除去することをさらに含む、請求項3に記載の減衰全反射赤外線(ATR-IR)サンプル材料測定方法。
- 前記減衰IRビームを使用して1または複数のIRスペクトルを生成または提供するステップは、異なる時間に取られる測定値から得られる測定結果をそれぞれ示すスペクトルパターンの視覚的な表示を生成または提供することを含む、請求項1に記載の減衰全反射赤外線(ATR-IR)サンプル材料測定方法。
- 前記減衰IRビームを使用して1または複数のIRスペクトルを生成または提供するステップは、異なる時間および/または前記サンプル材料上もしくは前記サンプル材料の露出面での異なる位置で取られる測定値から得られる測定結果を示すスペクトルパターンの視覚的な表示を生成または提供することを含む、請求項1に記載の減衰全反射赤外線(ATR-IR)サンプル材料測定方法。
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US16/923,056 | 2020-07-07 | ||
US16/923,056 US11460400B2 (en) | 2020-07-07 | 2020-07-07 | Use of IR spectroscopy to evaluate penetration of reagents into biological specimen |
PCT/US2021/024480 WO2022010550A1 (en) | 2020-07-07 | 2021-03-26 | Use of ir spectroscopy to evaluate penetration of reagents into biological specimen |
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AU (1) | AU2021305812A1 (ja) |
BR (1) | BR112022017368A2 (ja) |
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