JP4947520B2 - 生体小分子の検出方法及び装置 - Google Patents
生体小分子の検出方法及び装置 Download PDFInfo
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- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
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- G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
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- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Description
同式において、C1、C2は前記偏光ビームスプリッタ等の光学系や試料Sの透過率により定まる定数、φは前記参照光L1と前記測定光L2の光路長差による位相差、fbは前記参照光L1と前記測定光L2の周波数差である。この(1)式より、前記干渉光強度S1の変化(前記励起光を照射しない或いはその光強度が小さいときとその光強度が大きいときとの差)から、前記位相差φの変化が求まることがわかる。前記信号処理装置38は、(1)式に基づいて前記位相差φの変化を算出する。
L2 測定光
Le 励起光
S 試料
10 励起系(励起光照射系)
12 励起光源
20 測定系(測定装置)
22 測定光源
26A ミラー
26B ミラー
28 偏光ビームスプリッタ
36 光検出器
38 信号処理装置
40 試料収容部
41 基台
42 マイクロアレイ(試料収容器)
44 マニピュレータ(移送手段)
46 自動分注装置
47 ヒータ(温度調節機構)
50 マイクロリアクタ(試料収容器)
56 ヒータ(温度調節機構)
60 流路
61N 第1供給部
61P 第2供給部
64 合流流路
65 反応部
66 光照射部
68 試料排出部
Claims (8)
- 試料中の生体小分子を検出するための方法であって、
前記生体小分子と相互作用可能なアプタマーを含む試料に対して励起光を照射するステップと、
前記励起光の照射により前記試料内に生ずる光熱効果の測定信号を生成するステップと、
前記励起光を照射した後の前記測定信号の時間減衰率に基づいて前記試料中での前記生体小分子と前記アプタマーとの相互作用の発生の有無を判断することにより前記生体小分子の有無を検出するステップとを含むことを特徴とする生体小分子の検出方法。 - 請求項1記載の生体小分子の検出方法であって、
前記の測定信号を生成するステップは、前記試料に前記励起光とは別の測定光を透過させてこの透過した測定光の位相変化を測定する操作を含むことを特徴とする生体小分子の検出方法。 - 試料中の生体小分子を検出するための装置であって、
前記生体小分子と相互作用可能なアプタマーを含む試料を収容するための試料収容部と、
前記試料収容部に収容される試料に対して励起光を照射する励起光照射系と、
前記励起光の照射により前記試料内に生ずる光熱効果の測定信号を生成する測定装置とを含み、
前記測定装置は、前記励起光照射系により前記試料に励起光が照射された後の前記測定信号の時間減衰率に関するデータを作成し、その作成したデータに基づいて前記試料中での前記生体小分子とそのアプタマーとの相互作用の有無を判断することにより前記生体小分子の有無を検出する信号処理装置を含むことを特徴とする生体小分子の検出装置。 - 請求項3記載の生体小分子の検出装置において、
前記測定装置は、前記試料に前記励起光とは別の測定光を透過させてこの透過した測定光の位相変化を測定することを特徴とする生体小分子の検出装置。 - 請求項4記載の生体小分子の検出装置において、
前記測定装置は、測定用光源と、この測定用光源から発せられる測定光を前記試料収容部に収容された試料に透過させ、この透過した測定光と参照光とを干渉させる光学系と、その干渉した光の強度を検出する光検出器とを含むことを特徴とする生体小分子の検出装置。 - 請求項3〜5のいずれかに記載の生体小分子の検出装置において、
前記試料収容部は、前記試料を収容する試料収容器と、この試料収容器内の試料を前記生体小分子とそのアプタマーとの反応温度に調節する温度調節機構と、その加熱された試料を前記励起光の照射位置まで移送する移送手段とを含むことを特徴とする生体小分子の検出装置。 - 請求項6記載の生体小分子の検出装置において、
前記移送手段は、前記試料収容器を、この試料収容器内に前記試料を注入するための注入位置と、その注入された試料の温度を前記温度調節機構により調節するための温度調節位置と、前記励起光の照射位置の順に移送することを特徴とする生体小分子の検出装置。 - 請求項6記載の生体小分子の検出装置において、
前記試料収容器は、前記試料を流すための流路を有し、この流路は、その上流側から順に、前記生体小分子の検出の対象である第1液体及び当該生体小分子のアプタマーを含む
第2液体がそれぞれ導入される第1導入部及び第2導入部と、その導入された第1液体と第2液体とを合流させて混合する混合部と、その混合液の温度を前記温度調節機構により調節して前記生体小分子と前記アプタマーとの反応を行わせるための反応部と、前記励起光が照射される励起光照射部とを有することを特徴とする生体小分子の検出装置。
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JP2007176313A JP4947520B2 (ja) | 2007-07-04 | 2007-07-04 | 生体小分子の検出方法及び装置 |
US12/667,585 US8310676B2 (en) | 2007-07-04 | 2008-07-03 | Method and apparatus for detecting small biomolecules |
PCT/JP2008/062055 WO2009005117A1 (ja) | 2007-07-04 | 2008-07-03 | 生体小分子の検出方法及び装置 |
EP08777807A EP2180313A4 (en) | 2007-07-04 | 2008-07-03 | METHOD AND DEVICE FOR DETECTING A BIOMICROMOLEKÜLS |
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EP (1) | EP2180313A4 (ja) |
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WO (1) | WO2009005117A1 (ja) |
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JP5033820B2 (ja) * | 2009-02-03 | 2012-09-26 | 株式会社日立ハイテクノロジーズ | 全反射顕微鏡装置、及び蛍光試料分析方法 |
JP5967687B2 (ja) * | 2009-07-17 | 2016-08-10 | Necソリューションイノベータ株式会社 | スフィンゴシルホスホリルコリンに結合するアプタマー分子 |
KR101886432B1 (ko) * | 2011-12-23 | 2018-09-07 | 엘지디스플레이 주식회사 | 유기전계발광표시장치 및 이의 제조 방법 |
US10542918B2 (en) | 2013-10-23 | 2020-01-28 | Verily Life Sciences Llc | Modulation of a response signal to distinguish between analyte and background signals |
US9504405B2 (en) | 2013-10-23 | 2016-11-29 | Verily Life Sciences Llc | Spatial modulation of magnetic particles in vasculature by external magnetic field |
KR101531158B1 (ko) * | 2014-03-13 | 2015-06-25 | 연세대학교 산학협력단 | 광열효과를 이용한 헤모글로빈 농도측정장치 및 그 방법 |
US9874554B1 (en) | 2014-07-16 | 2018-01-23 | Verily Life Sciences Llc | Aptamer-based in vivo diagnostic system |
JP2016114532A (ja) * | 2014-12-17 | 2016-06-23 | 株式会社日立製作所 | 光熱変換分光分析装置 |
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US20050250094A1 (en) | 2003-05-30 | 2005-11-10 | Nanosphere, Inc. | Method for detecting analytes based on evanescent illumination and scatter-based detection of nanoparticle probe complexes |
US7167325B2 (en) | 2004-02-11 | 2007-01-23 | Agilent Technologies, Inc. | Flexured athermalized pseudokinematic mount |
JP4119411B2 (ja) * | 2004-09-17 | 2008-07-16 | 株式会社神戸製鋼所 | 光熱変換測定装置及びその方法 |
WO2006033348A1 (ja) * | 2004-09-22 | 2006-03-30 | National University Corporation Tokyo University Of Agriculuture And Technology | 標識酵素 |
JP4519675B2 (ja) | 2005-02-18 | 2010-08-04 | 株式会社日立ハイテクノロジーズ | 液体クロマトグラフ質量分析方法及び液体クロマトグラフ質量分析装置 |
US20070282308A1 (en) | 2006-05-30 | 2007-12-06 | Benjamin Bell | Septum compression rings |
JP4878223B2 (ja) * | 2006-06-16 | 2012-02-15 | 国立大学法人東京農工大学 | 核酸と蛋白質の相互作用の検出方法及び装置 |
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US20110007317A1 (en) | 2011-01-13 |
US8310676B2 (en) | 2012-11-13 |
EP2180313A1 (en) | 2010-04-28 |
WO2009005117A1 (ja) | 2009-01-08 |
JP2009014496A (ja) | 2009-01-22 |
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