JP2009538731A - ミクロ流体回路のドロップを処理する方法 - Google Patents
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Abstract
【解決手段】 本発明は、ミクロ流体回路のドロップを処理する方法に関し、ドロップが流れる少なくとも1つのマイクロチャネル(12)を具備し、レーザー(26)が移送液体(F3)の前記ドロップのインターフェースに、または、前記ドロップのインターフェースに向けられ、ドロップの選別、より大きいドロップからナノドロップを形成、またはコンタクトのドロップ(60、64)を融合させ、および、前記ドロップに含まれる流体の間の反応を起こすことを特徴とする。
【選択図】
Description
-ドロップ認識の、および、回路に植設される電極の制御のコンピュータループによってあらかじめ可能となるだけの、異なる性質のドロップの選別をすることと、
-従来の技術の手段で可能でなかった液体が他のものに、または、他のものによって反応するときに、ナノドロップを形成し、および、異なる流体を含むドロップを融合し、一連のマイクロリアクタを形成することと、を具備する。
Claims (16)
- 第1の流体と、前記第1の流体に含まれる少なくとも第2の流体のドロップとを含んでいる少なくとも1つのマイクロチャネルを具備し、レーザービームを前記ドロップのインターフェース、および、前記第1の流体のドロップのインターフェースに焦点を合わせることによってミクロ流体回路のドロップを処理する方法であって、
この方法は、
前記インターフェース上のレーザービームの焦点を合わせることによる前記流体の表面張力の熱感度を使用して、それらが異なる流体を含むときに、それらのドロップを選別し、それらをナノドロップに細分し、それらを融合することを具備し、
選択されたレーザービームの波長が前記ドロップに含まれる前記第2の流体によって、または、前記第1の流体、および、この波長を透過するマイクロチャネルの構成材料のそれぞれのドロップに含まれる異なる流体によって吸収される、方法。 - 前記第1の流体にある前記第2の流体のドロップを選別するために、前記レーザービームをY字型の管の上流に向けられた先端を具備する頂点から上流に焦点を合わせる際に、レーザービームの焦点が、この先端の端部と、前記ドロップの前記偏差の方向の反対側の前記マイクロチャネルの壁との間に位置づけらる、請求項1に係る方法。
- 前記レーザービームによって前記ドロップのインターフェースに伝えられるパワーをセットすることによって、前記第1の流体にある異なる流体のドロップを選別することを具備する請求項1又は2に係る方法。
- 適切な表面活性プロダクトをそれらの流体に加えることによって前記流体の表面張力を修正することを具備する請求項1〜3のいずれか1項に係る方法。
- 前記マイクロチャネルの表面上に前記レーザービームを吸収する材料の点を堆積させ、前記ドロップが選別されて流れるときに、この点上に前記レーザービームを向けることを具備する先行する請求項のいずれか1項に係る方法。
- 1つのドロップをナノドロップに細分するために、前記レーザービームを表面活性プロダクトを含んでいる他の流体の流れのその下流のインターフェースに焦点を合わせることによって前記ドロップを固定することと、
この流体の流れによって前記ドロップをナノドロップに分離することとを具備する請求項1に係る方法。 - 前記細分されるドロップは、表面活性プロダクトを含む前記流体の流れによって、マイクロチャネルに移送され、
前記レーザービームの焦点は、このマイクロチャネルの、および、ナノドロップが偏差された別のマイクロチャネルの接合のすぐ近くに位置づけられている請求項6に係る方法。 - 前記ドロップを生成する流体を含んでいるマイクロチャネルの、および、少なくとも表面活性プロダクトを含む流体が流れるマイクロチャネルの接合するところに、細分されるドロップを形成し、および、固定することとを具備する請求項6または7に係る方法。
- 異なる流体を含んでいる2つのドロップを融合させるために、別の流体の流れにおいて互いにドロップを接触させ、そして、前記レーザービームをドロップのインターフェースに焦点を合わせることを具備する請求項1に係る方法。
- 前記マイクロチャネルのドロップの移送を、このドロップの下流のインターフェースに前記レーザービームの焦点に合わせることによって、ブロックすることと、
第1のドロップの異なる流体を含んでいる別のドロップの到着まで、移送するドロップをブロックすることと、そして、
前記レーザービームを2つのドロップのインターフェースに焦点を合わせることとを具備する請求項9に係る方法。 - 前記ドロップに含まれる流体は、混和性を有する請求項9または10に係る方法。
- 前記ドロップに含まれる流体は、融合されたドロップがマイクロリアクタを形成するように、互いに反応する請求項9〜11のいずれか1項に係る方法。
- ドロップが融合するときに、混合された試薬の量を変えるために、融合されるドロップのサイズを変化することを具備する請求項12に係る方法。
- 融合されるドロップのうちの少なくとも1つは、少なくとも2つの異なる流体を含み、前記レーザービームがドロップに焦点に合わせるときに、互いに混合される請求項9〜13のいずれか1項に係る方法。
- 2つの融合されるドロップに含まれる流体の反応は、それらのドロップに焦点に合われるレーザービームによって起こされる請求項12〜14のいずれか1項に係る方法。
- 融合するドロップの流体の反応をモニタリングすることであって、連続であるか不連続な方法で、顕微鏡でそれらのドロップを調査することによって、少なくともミクロ流体回路のそれらのドロップによって導かれる経路の部分を、モニタリングすることを具備する請求項12〜15のいずれか1項に係る方法。
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FR0604819A FR2901717A1 (fr) | 2006-05-30 | 2006-05-30 | Procede de traitement de gouttes dans un circuit microfluidique. |
PCT/FR2007/000838 WO2007138178A2 (fr) | 2006-05-30 | 2007-05-16 | Procede de traitement de gouttes dans un circuit microfluidique |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2015532424A (ja) * | 2012-10-08 | 2015-11-09 | エコール ポリテクニック | 生物学的材料を含有する溶液を処理および分析するためのマイクロ流体工程ならびにこれに対応するマイクロ流体回路 |
JP2020525276A (ja) * | 2017-06-30 | 2020-08-27 | サントル ナシオナル ドゥ ラ ルシェルシェ シアンティフィクCentre National De La Recherche Scientifique | 物体を操作するための方法及び装置 |
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WO2007138178A3 (fr) | 2008-07-24 |
JP5166407B2 (ja) | 2013-03-21 |
EP2574401B1 (fr) | 2014-06-04 |
FR2901717A1 (fr) | 2007-12-07 |
US20090090422A1 (en) | 2009-04-09 |
KR101423633B1 (ko) | 2014-07-25 |
EP2021127A2 (fr) | 2009-02-11 |
EP2574401A1 (fr) | 2013-04-03 |
US8206994B2 (en) | 2012-06-26 |
KR20090017656A (ko) | 2009-02-18 |
WO2007138178A2 (fr) | 2007-12-06 |
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