JP4993494B2 - 蛍光検出方法 - Google Patents
蛍光検出方法 Download PDFInfo
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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
- G01N21/62—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
- G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
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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
- G01N21/62—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
- G01N21/6408—Fluorescence; Phosphorescence with measurement of decay time, time resolved fluorescence
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/447—Systems using electrophoresis
- G01N27/44704—Details; Accessories
- G01N27/44717—Arrangements for investigating the separated zones, e.g. localising zones
- G01N27/44721—Arrangements for investigating the separated zones, e.g. localising zones by optical means
- G01N27/44726—Arrangements for investigating the separated zones, e.g. localising zones by optical means using specific dyes, markers or binding molecules
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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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N2021/0346—Capillary cells; Microcells
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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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N21/05—Flow-through cuvettes
-
- 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
- G01N21/62—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
- G01N21/6458—Fluorescence microscopy
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- Health & Medical Sciences (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Description
Le 励起光
Lk 蛍光
Lk0 マイクロチップ自体から発生する蛍光
Ur 検出された蛍光強度
Ur0 マイクロチップ自体から発生する蛍光強度
Uc バックグランドの影響が低減された蛍光強度
10 マイクロチップ
11 同等のマイクロチップ
Claims (8)
- 蛍光標識された生体試料が供給されたマイクロチップに励起光を照射することにより発生する蛍光の蛍光強度を検出する蛍光検出方法において、
前記マイクロチップと同等のマイクロチップ自体から発生する蛍光の蛍光強度を励起光の照射開始から蛍光強度が十分に減衰するまで検出し、
該検出された蛍光強度の経時変化を記憶し、
前記マイクロチップに励起光を照射すると共に、該マイクロチップに前記生体試料を前記マイクロチップ自体から発生する蛍光の蛍光強度が十分に減衰する前に供給し、
前記マイクロチップから発生する蛍光の蛍光強度を励起光の照射開始から前記生体試料が前記マイクロチップに供給された後まで検出し、
前記記憶された前記同等のマイクロチップ自体から発生する蛍光の蛍光強度が十分に減衰するまでの経時変化の値を、前記生体試料が供給された前記マイクロチップから検出された蛍光強度から減算することにより、該生体試料が前記励起光に照射されて発生した蛍光の蛍光強度を検出することを特徴とする蛍光検出方法。 - 前記マイクロチップと同等のマイクロチップ自体から発生する蛍光の蛍光強度を励起光の照射開始から蛍光強度が十分に減衰するまで検出して、該蛍光強度の経時変化を記憶する工程を、複数の材質の異なるマイクロチップについて実施して複数種類の経時変化を記憶し、該複数種類の経時変化の中から、使用されているマイクロチップの材質に基づいて、前記減算する経時変化を選択して前記減算を行うことを特徴とする請求項1に記載の蛍光検出方法。
- 蛍光標識された生体試料が供給されたマイクロチップに励起光を照射することにより発生する蛍光の蛍光強度を検出する蛍光検出方法において、
前記マイクロチップに励起光を照射すると共に、該マイクロチップに前記生体試料を前記マイクロチップ自体から発生する蛍光の蛍光強度が十分に減衰する前に供給し、
前記マイクロチップから発生する蛍光の蛍光強度を励起光の照射開始から前記生体試料が前記マイクロチップに供給された後まで検出し、
該検出により得られた該マイクロチップから発生する蛍光の蛍光強度の初期の経時変化に基づいて、該マイクロチップから発生する蛍光の蛍光強度が十分に減衰するまでの経時変化を予測し、
該予測された前記マイクロチップから発生する蛍光の蛍光強度が十分に減衰するまでの経時変化の値を、前記生体試料が供給された前記マイクロチップから検出された蛍光強度から減算することにより、該生体試料が前記励起光に照射されて発生した蛍光の蛍光強度を検出することを特徴とする蛍光検出方法。 - 前記経時変化の予測を、前記マイクロチップから発生する蛍光の蛍光強度の初期の経時変化に基づいて、指数関数により近似することにより行うことを特徴とする請求項3に記載の蛍光検出方法。
- 前記経時変化の予測を、前記マイクロチップから発生する蛍光の蛍光強度の初期の経時変化に基づいて、べき級数により近似することにより行うことを特徴とする請求項3に記載の蛍光検出方法。
- 前記経時変化の予測を、前記マイクロチップから発生する蛍光の蛍光強度の初期の経時変化に基づいて、対数関数により近似することにより行うことを特徴とする請求項3に記載の蛍光検出方法。
- 前記経時変化の予測を、前記マイクロチップから発生する蛍光の蛍光強度の初期の経時変化に基づいて、分数関数により近似することにより行うことを特徴とする請求項3に記載の蛍光検出方法。
- 前記経時変化の予測を、前記マイクロチップから発生する蛍光の蛍光強度の初期の経時変化に基づいて、複数種類のマイクロチップが励起光に照射されて発生する蛍光の蛍光強度を励起光の照射開始から蛍光強度が十分に減衰するまで検出して得た複数種類の経時変化の中から選択することにより行うことを特徴とする請求項3に記載の蛍光検出方法。
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JP2007255403A JP4993494B2 (ja) | 2007-09-28 | 2007-09-28 | 蛍光検出方法 |
US12/680,106 US8283640B2 (en) | 2007-09-28 | 2008-09-24 | Fluorescence detection method |
PCT/JP2008/002642 WO2009041032A1 (ja) | 2007-09-28 | 2008-09-24 | 蛍光検出方法 |
EP08833299.4A EP2194372B1 (en) | 2007-09-28 | 2008-09-24 | Fluorescence detection method |
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CN103018218A (zh) * | 2011-11-10 | 2013-04-03 | 浙江理工大学 | 一种用于洗涤剂洗涤效果检测和评价的荧光分析方法 |
CA3018582A1 (en) * | 2016-03-25 | 2017-09-28 | Bioceryx Inc. | Apparatuses and methods for assessing target sequence numbers |
CN107748148A (zh) * | 2017-09-04 | 2018-03-02 | 江苏大学 | 基于石墨烯氧化物双氨基固定多t序列检测汞离子的方法 |
JP7282307B2 (ja) * | 2019-05-20 | 2023-05-29 | 株式会社島津製作所 | 応力発光データ処理装置、応力発光データ処理方法、応力発光測定装置および応力発光試験システム |
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US6485625B1 (en) * | 1995-05-09 | 2002-11-26 | Curagen Corporation | Apparatus and method for the generation, separation, detection, and recognition of biopolymer fragments |
US6333501B1 (en) * | 2000-01-27 | 2001-12-25 | Perkin-Elmer Corporation | Methods, apparatus, and articles of manufacture for performing spectral calibration |
JP2002181708A (ja) * | 2000-12-14 | 2002-06-26 | Asahi Techno Glass Corp | マイクロアレイチップの読取方法及びその装置 |
JP2003084002A (ja) | 2001-06-27 | 2003-03-19 | Fuji Photo Film Co Ltd | 蛍光検出におけるバックグラウンドの低減方法 |
JP4701739B2 (ja) * | 2005-02-17 | 2011-06-15 | パナソニック株式会社 | 蛍光測定装置 |
JP4864519B2 (ja) * | 2006-04-11 | 2012-02-01 | 浜松ホトニクス株式会社 | 光測定装置、光測定方法、及び光測定プログラム |
JP2008122297A (ja) * | 2006-11-14 | 2008-05-29 | Fujitsu Ltd | 蛍光検出装置および蛍光検出方法 |
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EP2194372A1 (en) | 2010-06-09 |
JP2009085756A (ja) | 2009-04-23 |
US20100258740A1 (en) | 2010-10-14 |
WO2009041032A1 (ja) | 2009-04-02 |
US8283640B2 (en) | 2012-10-09 |
EP2194372B1 (en) | 2013-11-06 |
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