JP2007503217A - 反応培地の空間配列に対し局部化した温度制御 - Google Patents
反応培地の空間配列に対し局部化した温度制御 Download PDFInfo
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Abstract
Description
本発明は、ポリメラーゼ連鎖反応(PCR)が1例である逐次型化学反応に関する。特に本発明は、複数の反応培地で同時に化学反応行い、そして各培地において反応を独立して制御する方法及び装置を開示する。
PCRが、相違する処理工程の間の急激な温度変化にて反応混合物の正確な温度調節を必要とする化学方法の多くの例のひとつである。PCRそれ自体、DNAを増幅する方法であり、すなわち配列を形成する1本鎖から多くのDNA配列の複製物を生成する。
本発明は、反応帯域の空間配列における個別領域の温度を独立して制御する手段を提供し、これにより個々の反応容器(vessels)、毛細管、あるいは集積回路の基板やチップの形式で作成されデバイスの使用を必要とするよりむしろ異なる熱領域が、単一の複数ウエルのプレートに形成されそして保持できるようにする。従って本発明は、2種以上の個々のPCR試験を単一プレートにて行うことができる。本発明の場合PCRの実験が最適であり、そして比較実験の実行を可能にする。
本発明は、反応帯域の空間配列に適用し、そこにおける配列が、線形配列、2次元配列、又は複数の反応帯域の何か固定した物理的配列のうちのいずれかである。これらの配列が保持される容器(receptacles)は、典型的に試料ブロックを指し、その試料が、PCR処理を行う反応混合物である。
壁材料の湿潤性、想定される作動温度範囲にわたる適度な蒸気圧である。
図8dが、この方法で作動する構造を示す。個々に制御された機械プランジャー271が、加熱シンク部272、Peltier デバイス273、および圧縮可能な熱結合部274に圧をかける。選択肢としての構成を図8eに示し、その構成で試料ブロック241又は加熱シンク281が、磁気材料から作成され、異なる圧力とそのための接触度が、加熱シンクの下の個々のコイル282から流れる異なる電流の結果として、異なる磁場をかけることにより行われる。
Claims (21)
- 反応帯域の空間配列の個別領域で独立した温度制御用装置において、
各領域にて分離したモジュールと前記領域に熱結合した複数の熱電気モジュール;
前記熱電気モジュールへ電気的に接続された電源;並びに
前記電源から各熱電気モジュールへの電力強度を独立して制御し、それにより別の領域と独立して各領域の温度を保持する手段;
を含む前記装置。 - 隣接した領域から前記各領域を分離した熱絶縁手段をさらに含む、請求項1記載の装置。
- 前記熱電気モジュールと、前記領域か熱シンク手段のいずれかとの間の熱結合を提供するよう配置された加熱パイプをさらに含む、請求項1記載の装置。
- 前記加熱パイプが、前記熱電気モジュールと前記領域との間の熱結合を提供するよう配置された、請求項2記載の装置。
- 前記加熱パイプが、前記熱電気モジュールと前記熱シンク手段との間を熱結合するよう配置された、請求項2記載の装置。
- 前記各加熱パイプが、熱受容端部、熱分散端部、作用流体、そして前記熱分散端部から前記熱受容端部へ前記作動流体を輸送する流体輸送手段を含む、請求項2記載の装置。
- 前記各加熱パイプが、他の加熱パイプと独立して各加熱パイプにて、前記熱分散端部から熱受容端部へ作動流体の輸送量を独立して制御する、流体輸送制御手段をさらに含む、請求項6記載の装置。
- 全ての熱電気モジュールに単一の共通熱シンクをさらに含む、請求項1記載の装置。
- 各熱電気モジュールに対し個々の熱シンクをさらに含む、請求項1記載の装置。
- 前記熱絶縁手段が空気隙間(air gap)である、請求項1記載の装置。
- 前記熱絶縁手段が、各隣接する領域の対間に配置された熱絶縁材料の固体障害物(barriers)を含む、請求項1記載の装置。
- 前記熱電気モジュールと前記領域との間の前記熱結合が、個々に変動可能な複数の熱結合手段により提供される、請求項1記載の装置。
- 前記個々に変動可能な熱結合手段が、流体培地中へ電気伝導性非磁性粒子の分散、および前記分散部内に局所化したAC電場を形成しこれにより前記粒子間の電気的反発作用を形成する手段、各領域に対しこうした電場の一つを有し、そして前記電場の強度を独立して制御しこれにより各領域へ、前記熱電気モジュール対し独立的に制御された熱結合を提供する手段を含む、請求項12記載の装置。
- 前記個々に変動可能な熱結合手段は、熱伝導性が磁場にて変化する磁気流体、および前記磁気流体内に局所的に磁場を形成する手段、各領域にこうした磁場の一つを有し、そして前記局所的に磁場の強度を独立して制御し、それにより各領域へ熱電気モジュール対し独立して制御された熱結合を提供するための手段を含む、請求項12記載の装置。
- 前記個々に変動可能な熱結合手段が、前記領域の方へ熱電気モジュールを進行(urge)するよう局所的に圧力をかけ、そして前記局所的に圧力強度を独立して制御する手段、これにより前記熱電気モジュールへ独立して制御した熱結合を、各領域に提供する独立制御手段を含む、請求項12記載の装置。
- 局所的に圧力をかける前記手段が、前記磁気材料、および局所的に磁場を前記磁気材料へかける手段、並びに前記独立した制御手段が前記局所的に磁場を独立して制御する手段を含む、請求項15記載の装置。
- 局所的に圧力をかける前記手段が、圧電素子および前記圧電素子のそれぞれに電圧をかける手段、並びに前記独立した制御手段が前記電圧を独立して制御する手段を含む、請求項15記載の装置。
- 前記反応帯域の空間配列(array)が、固定された平面配置(array)に結合された複数のウエルにて定義される請求項1記載の装置。
- 前記ウエルが、熱伝導壁を有し、そして熱絶縁材料のフィラメントにて接続された個別の上部を開口した受容体部(receptacles)の、請求項18記載の装置。
- 前記ウエルのそれぞれが曲がった断面形状(profile)を有する、請求項18記載の装置。
- 前記ウエルのそれぞれが、弾性的に閉鎖した底部を有し、そして前記装置が、前記ウエルに対し形状及び空間配置に相補的凹み部(indentations)を伴う熱伝導性支持ブロックを含むが、前記ウエルが前記支持ブロックに対し圧縮された時、前記突き出し部が前記弾性閉鎖部に対し圧縮し、それにより前期突き出し部周辺に前記弾性閉鎖部を伸張し、前記突き出し部に相当する量だけ増大する内部表面積を前記各ウエルに提供するよう、配置された各凹み部(indentation)内の突き出し部を除く、請求項18記載の装置。
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- 2004-05-20 JP JP2006533292A patent/JP4705035B2/ja not_active Expired - Lifetime
- 2004-05-20 AU AU2004243070A patent/AU2004243070B2/en not_active Ceased
- 2004-05-20 EP EP04752947.4A patent/EP1641563B1/en not_active Expired - Lifetime
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Also Published As
Publication number | Publication date |
---|---|
EP1641563B1 (en) | 2018-08-29 |
US20150258547A1 (en) | 2015-09-17 |
EP1641563A2 (en) | 2006-04-05 |
WO2004105947A3 (en) | 2005-12-22 |
US8945881B2 (en) | 2015-02-03 |
CA2523040A1 (en) | 2004-12-09 |
AU2004243070B2 (en) | 2010-04-15 |
DE04752947T1 (de) | 2006-11-16 |
CA2523040C (en) | 2012-01-17 |
US20100099581A1 (en) | 2010-04-22 |
US9623414B2 (en) | 2017-04-18 |
US20050009070A1 (en) | 2005-01-13 |
WO2004105947A2 (en) | 2004-12-09 |
US20170239663A1 (en) | 2017-08-24 |
AU2004243070A1 (en) | 2004-12-09 |
JP4705035B2 (ja) | 2011-06-22 |
EP1641563A4 (en) | 2012-01-18 |
US7771933B2 (en) | 2010-08-10 |
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