JP5637613B2 - 核酸増幅反応器 - Google Patents
核酸増幅反応器 Download PDFInfo
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- B01J2219/00718—Type of compounds synthesised
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- B01L2300/08—Geometry, shape and general structure
- B01L2300/0861—Configuration of multiple channels and/or chambers in a single devices
- B01L2300/0864—Configuration of multiple channels and/or chambers in a single devices comprising only one inlet and multiple receiving wells, e.g. for separation, splitting
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Description
図1は、第1の実施形態に係る核酸増幅反応器の模式図である。図2は、図1の線II−IIにおける核酸増幅反応器の基板の略図的断面図である。図1及び2を参照しながら、第1の実施形態に係る核酸増幅反応器1について説明する。
行列Mにしたがって配置されたプライマーセットの組み合わせによって、三種類以上のテンプレートを列ベクトルCで表される量比で含む未知試料にリアルタイムPCRを施した結果としてシグナルSが得られる。このときの装置関数を行列Aで表記することにすると、この関係は次式のように書ける。
このとき、関係式は次の式(3)のように表される。
上記の第1の実施形態においては、熱可塑性ハイドロゲル50がマグネシウム塩を含む場合について説明した。但し、本発明は、この形態に限定されない。図6は、第2の実施形態に係る核酸増幅反応器の基板の略図的断面図である。図6に示すように、第2の実施形態において、核酸増幅反応器1は、反応チャンバー20に塗布されており、マグネシウム塩を含む熱可塑性ハイドロゲル60をさらに備える。マグネシウム塩を含む熱可塑性ハイドロゲル60としては、熱可塑性ハイドロゲル50と同じものが使用できる。
下記の条件となるように(1)〜(9)を55℃下で混合して、PCR反応液(合計20μL)を調製した。
(2)10×PCRバッファー 2μL
(3)MgCl2水溶液(25mM) 1.2μL(終濃度1.5mM)
(4)dNTPs(2.5mM) 1.6μL(終濃度0.2mM)
(5)フォアワード−プライマー(100pmole) 0.2μL(終濃度1pmole)
(6)リバース−プライマー(100pmole) 0.2μL(終濃度1pmole)
(7)rTth DNAポリメラーゼ 0.1μL
(8)1×SYBR Green I 0.5μL
(9)アガロース(岩井化学薬品株式会社社製のアガロースME)0.2μL
95℃まで昇温したのち30秒間保持し、DNAを1本鎖に変性(denature)させる。初回の昇温時に、ゲルが融解し、サンプルと混じり合う。補助的にピエゾバイブレータで振動を加えてもよい。
60℃程度(オリゴヌクレオチドプライマーによって若干異なる)にまで急速冷却し、そのまま30秒間保持して操作1で得られた1本鎖DNAとオリゴヌクレオチドプライマーとをアニーリングさせる。
72℃まで再び加熱し、10秒間維持する。なお、この温度では、オリゴヌクレオチドプライマーの分離が起きない。この温度は、DNAポリメラーゼの活性に適した温度帯であり、実験目的により、60℃〜72℃程度に設定する。
アガロースの代わりに、同量の純水を用いたこと以外は、実施例1と同様にして、サンプルのDNA断片を増幅させた。DNA断片の量とサイクル数との関係を示したグラフを図5に示す。
10…基板
20…反応チャンバー
20a…内壁
30…マイクロ流路
30a,30b…開口部
31…秤量部
40…パッシブバルブ
50,60…熱可塑性ハイドロゲル
Claims (6)
- DNAポリメラーゼ、オリゴヌクレオチドプライマーセット、ヌクレオチド及びゲル化剤を含む熱可塑性ハイドロゲルが塗布された反応チャンバーと、
マイクロ流路と、
前記マイクロ流路に接続されており、前記反応チャンバーに対して設けられた秤量部と、
前記秤量部と前記反応チャンバーとを接続しているパッシブバルブと、
を備え、
前記反応チャンバーを7個以上有し、
前記7個以上の反応チャンバーのそれぞれには、相互に異なる3種類以上のオリゴヌクレオチドプライマーセットから選ばれる1種以上を含む熱可塑性ハイドロゲルが塗布されており、
前記7個以上の反応チャンバーのそれぞれに塗布された熱可塑性ハイドロゲルに含まれるオリゴヌクレオチドプライマーセットは、2値循環擬似乱数系列に従って選択されている、核酸増幅反応器。 - 前記核酸増幅反応器は、前記反応チャンバーの内壁から前記核酸増幅反応器の外壁に至るように設けられた金属材をさらに備える、請求項1に記載の拡散増幅反応器。
- 前記熱可塑性ハイドロゲルのゲルからゾルへの転移温度であるゲル−ゾル転移温度が90℃以下であり、前記熱可塑性ハイドロゲルのゾルからゲルへの転移温度であるゾル−ゲル転移温度が55℃以下である、請求項1又は2に記載の核酸増幅反応器。
- 前記熱可塑性ハイドロゲルが、レポーター試薬をさらに含む、請求項1〜3のいずれか一項に記載の核酸増幅反応器。
- 前記7個以上の反応チャンバーのそれぞれに塗布されており、マグネシウム塩を含む熱可塑性ハイドロゲルをさらに備える、請求項1〜4のいずれか一項に記載の核酸増幅反応器。
- 前記秤量部が、前記7個以上の反応チャンバーのそれぞれに対して設けられている、請求項1〜5のいずれか一項に記載の核酸増幅反応器。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2012/001442 WO2013128493A1 (en) | 2012-03-02 | 2012-03-02 | Nucleic acid amplification reactor |
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JP2014521306A JP2014521306A (ja) | 2014-08-28 |
JP5637613B2 true JP5637613B2 (ja) | 2014-12-10 |
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JP2013554718A Expired - Fee Related JP5637613B2 (ja) | 2012-03-02 | 2012-03-02 | 核酸増幅反応器 |
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US (1) | US20150175948A1 (ja) |
EP (1) | EP2820116A4 (ja) |
JP (1) | JP5637613B2 (ja) |
WO (1) | WO2013128493A1 (ja) |
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JP6936057B2 (ja) * | 2017-06-28 | 2021-09-15 | 積水化学工業株式会社 | マイクロ流体デバイス及び反応システム |
AU2018392919B2 (en) | 2017-12-21 | 2021-04-15 | Illumina Cambridge Limited | Flow cells with hydrogel coating |
Family Cites Families (10)
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JP2005037368A (ja) * | 2003-05-12 | 2005-02-10 | Yokogawa Electric Corp | 化学反応用カートリッジおよびその作製方法および化学反応用カートリッジ駆動システム |
RU2394915C2 (ru) * | 2006-03-24 | 2010-07-20 | Александр Борисович Четверин | Бесконтактные способы обнаружения молекулярных колоний, наборы реагентов и устройство для их осуществления |
JP4141494B2 (ja) * | 2006-10-19 | 2008-08-27 | 積水化学工業株式会社 | マイクロ分析測定装置及びそれを用いたマイクロ分析測定方法 |
US20080101992A1 (en) * | 2006-10-27 | 2008-05-01 | Konica Minolta Medical & Graphic, Inc. | Microchip and Microchip Inspection System |
JP2008134227A (ja) * | 2006-10-27 | 2008-06-12 | Konica Minolta Medical & Graphic Inc | マイクロチップおよびマイクロチップ検査システム |
JP5225294B2 (ja) | 2007-03-02 | 2013-07-03 | コーベット リサーチ プロプライエタリー リミテッド | 核酸増幅のための装置および方法 |
GB0818609D0 (en) * | 2008-10-10 | 2008-11-19 | Univ Hull | apparatus and method |
JP2011045278A (ja) * | 2009-08-26 | 2011-03-10 | Olympus Corp | 核酸増幅用の試薬入り反応容器 |
JP5573335B2 (ja) * | 2010-04-28 | 2014-08-20 | 株式会社島津製作所 | 磁性体粒子操作デバイス及び磁性体粒子操作方法 |
GB2483858A (en) * | 2010-09-21 | 2012-03-28 | Univ Hull | Amplifying nucleic acids using microfluidic device to perform PRC |
-
2012
- 2012-03-02 US US14/382,310 patent/US20150175948A1/en not_active Abandoned
- 2012-03-02 JP JP2013554718A patent/JP5637613B2/ja not_active Expired - Fee Related
- 2012-03-02 WO PCT/JP2012/001442 patent/WO2013128493A1/en active Application Filing
- 2012-03-02 EP EP12869833.9A patent/EP2820116A4/en not_active Withdrawn
Also Published As
Publication number | Publication date |
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EP2820116A1 (en) | 2015-01-07 |
JP2014521306A (ja) | 2014-08-28 |
US20150175948A1 (en) | 2015-06-25 |
WO2013128493A1 (en) | 2013-09-06 |
EP2820116A4 (en) | 2016-01-20 |
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