JP4991688B2 - 流体分離装置 - Google Patents
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- B01L3/502761—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 specially adapted for handling suspended solids or molecules independently from the bulk fluid flow, e.g. for trapping or sorting beads, for physically stretching molecules
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Description
・Integrating advanced functionality in a microfabricated high-throughput fluorescent-activated cell sorter, A. Wolff, I. Peter-Nielsen, U. Larsen, P. Friis, G. Goranovic, C. Poulsen, J. Kutter, P. Telleman, Lab-on-a-ship, 3, 2003, 22-27,
・Lab-on-a-chip-based separation and detection technology for life science applications, B. H. Weigl and K. Hedine, American Biotechnology Laboratory, January 2002, 28-30,
・A microfabricated fluorescence-activated cell sorter, A. Y. Fu, Ch. Spenser, A. Scherer, F. Arnold and S. Quake, Nature Biotechnology, vol. 17, November 1999, 1109-1111.
・A microfabrication-based dynamic array cytometer, J. Voldman, M. L. Gray, M. Toner and M. A. Schmidt, Analytical Chemistry, 74, 2002, 3984-3990,
・Microfluidic device for single-cell analysis, A. R. Wheeler, W. R. Throndset, RJ. Whelan, A. M. Leach, R. N. Zare, Y.H. Liao, K. Farrell, I.D. Manger and A. Daridon, Analytical Chemistry, 75, 2003, 3581-3586,
・Microfluidic device for high throughput chemical analysis of cells, M. A. McClain, C. T. Culbertson, S.C. Jacobson, N. L. Allbritton, C. E. Sims and M. Ramsey, Analytical Chemistry, 75, 2003, 5646-5655,
・Passively driven integrated microfluidic system for separation of motile sperm, B. S. Cho, T. G. Schuster, X. Zhu, D. Chang, G. D. Smith and S. Takayama, Analytical Chemistry, 75, 2003, 1671-1675,
・Microfluidic optical sorting, M. MacDonald, G. Spalding and K. Dholakaia, Nature 426, 2003, 421-424,
・Microfluidic diffusion-based separation and detection, B. H. Weigl and P. Yager, Science, vol. 283 1999, 346-347.
これら装置は安価であり、分析に試薬及び材料をほとんど使用しない。
長手方向軸に沿って延びる少なくとも1つのマイクロチャネルであって、第1の横軸に沿って測定される幅と、その第1の横軸に対して垂直な第2の横軸に沿って測定される厚みとを呈する横断面を有し、前記幅は前記厚みよりも大きく、第2の横軸に沿って下壁及び上壁を有する、マイクロチャネルと、
マイクロチャネルと流体連通する、少なくとも第1の入口、第2の入口、及び第3の入口であって、第2の入口は、第2の横軸に沿って第1の入口と第3の入口との間に配される、その第1の入口、第2の入口、及び第3の入口と
を備える、流体分離装置を提供する。
上記に明記した装置内で、そのマイクロチャネルに沿って上記第2の入口を介して、好ましくは連続的に、種を含有する物質を循環させるステップと、
種を含有する物質が、マイクロチャネルの下壁及び上壁から離隔したシートの形態で、マイクロチャネルの少なくとも一部分にわたって流れるように、1つ又は複数のキャリア流体を、上記第1の入口及び上記第2の入口を介してマイクロチャネルに沿って好ましくは連続的に流すステップと
を含むことを特徴とする。
長手方向軸に沿って延びる少なくとも1つのマイクロチャネルであって、第1の横軸に沿って測定される幅と、その第1の横軸に対して垂直な第2の横軸に沿って測定される厚みと呈する横断面を有し、前記幅は前記厚みよりも大きく、第2の横軸に沿って下壁及び上壁を有する、マイクロチャネルと、
マイクロチャネルと流体連通する、少なくとも第1の入口及び第2の入口と、
第1の入口と第2の入口を分離する、少なくとも1つの横分離壁であって、当該分離壁は、第2の入口が、第2の横軸に沿って測定されるゼロではない距離だけ上記下壁及び上記上壁の一方から隔てられるように配され、第2の入口は特に分離壁に隣接する、横分離壁とを備え、
流体分離装置は、流路の少なくとも一部を形成するカットアウトを有する少なくとも1つのシートを有し、当該シートは少なくとも2つのプレート間に挟まれる、流体分離装置を提供する。
長手方向軸に沿って延びる少なくとも1つのマイクロチャネルであって、第1の横軸に沿って測定される幅と、その第1の横軸に対して垂直な第2の横軸に沿って測定される厚みとを呈する横断面を有し、前記幅は前記厚みよりも大きく、第2の横軸に沿って下壁及び上壁を有する、マイクロチャネルと、
マイクロチャネルと流体連通する、少なくとも第1の入口及び第2の入口と、
第1の入口と第2の入口を分離する、少なくとも1つの横分離壁であって、当該分離壁は、第2の入口が、第2の横軸に沿って測定されるゼロではない距離だけ上記下壁及び上記上壁の一方から隔てられるように配され、第2の入口は特に分離壁に隣接する、横分離壁とを備え、
当該方法は、流路の少なくとも一部を形成するカットアウトを有するシートを少なくとも2つのプレート間に配置するステップを含む、方法を提供する。
Claims (28)
- 物質流体とキャリア流体との流束を接触させる流体分離装置(1、65、72)であって、
長手方向軸(X)に沿って延びる少なくとも1つのマイクロチャネル(2、66)であって、第1の横軸(Y)に沿って測定される幅と、該第1の横軸(Y)に対して垂直な第2の横軸(Z)に沿って測定される厚みとを呈する横断面を有し、前記幅は前記厚みよりも大きく、前記第2の横軸に沿って下壁(3)及び上壁(4)を有する、該マイクロチャネルと、
前記マイクロチャネル(2)の入口と流体連通する、少なくとも第1の入口(7)、第2の入口(8)、及び第3の入口(9)であって、前記第2の入口(8)は、前記第2の横軸(Z)に沿って前記第1の入口(7)と前記第3の入口(9)との間に配され、前記第1の入口(7)及び第3の入口(9)は前記キャリア流体を導入するためのものであって、前記第2の入口(8)は前記物質流体を導入するためのものである、該第1の入口(7)、該第2の入口(8)、及び該第3の入口(9)と、
前記第1の入口と前記第2の入口、及び前記第2の入口と前記第3の入口をそれぞれ分離する、少なくとも第1の横分離壁(10)及び第2の横分離壁(11)であって、前記第1の横分離壁(10)及び前記第2の横分離壁(11)は、前記第2の入口(8)が、前記第2の横軸(Z)に沿って測定されるゼロではない距離だけ前記下壁(3)及び前記上壁(4)のそれぞれから隔てられるように配される、該第1の横分離壁(10)及び該第2の横分離壁(11)と
を備える、流体分離装置。 - マイクロチャネルの前記幅/厚みの比が2よりも大きいことを特徴とする、請求項1に記載の流体分離装置。
- 前記マイクロチャネル(2、66)は略矩形である横断面を呈することを特徴とする、請求項1又は2に記載の流体分離装置。
- 前記3つの入口(7、8、9)の少なくとも1つは、少なくとも前記マイクロチャネルの幅程の幅を呈することを特徴とする、請求項1〜3のいずれか一つに記載の流体分離装置。
- 前記3つの入口の少なくとも1つは、前記マイクロチャネルの前記下壁及び前記上壁の一方に開口し、前記3つの入口の別の1つは、前記マイクロチャネルの前記下壁及び前記上壁の他方に開口していることを特徴とする、請求項1〜4のいずれか一つに記載の流体分離装置。
- 前記第1の入口及び前記第3の入口は互いに対面して配置されることを特徴とする、請求項1〜5のいずれか一つに記載の流体分離装置。
- 前記少なくとも3つの入口は全て、前記マイクロチャネルの前記下壁又は前記上壁のいずれかに開口していることを特徴とする、請求項1〜4のいずれか一つに記載の流体分離装置。
- 前記第1の入口及び前記第3の入口は、前記マイクロチャネルの前記長手方向軸に沿って互いに対してずれていることを特徴とする、請求項6を除いた請求項1〜7のいずれか一つに記載の流体分離装置。
- 前記第2の入口(8)は、前記マイクロチャネル(2)の前記長手方向軸(X)に平行に該マイクロチャネル(2)に開口していることを特徴とする、請求項1〜8のいずれか一つに記載の流体分離装置。
- 前記第2の入口(8)は、前記分離壁(10、11)の少なくとも一方に隣接するか、又は該少なくとも一方から上流にあることを特徴とする、請求項1〜9のいずれか一つに記載の流体分離装置。
- 前記流体分離装置は、前記3つの入口の1つと関連づけられる少なくとも1つの供給オリフィス(21、25)を有し、前記供給オリフィスはダクトを介して該入口と流体連通し、前記供給オリフィスは、前記ダクトの先端に隣接する該ダクトに開口していることを特徴とする、請求項1〜10のいずれか一つに記載の流体分離装置。
- 前記流体分離装置は、前記マイクロチャネルと流体連通する少なくとも第1の出口(50)及び第2の出口(51)を有し、該第1の出口(50)及び第2の出口(51)は、前記第2の横軸(Z)に沿って測定されるゼロではない高さの横分離壁(52)によって互いに隔てられていることを特徴とする、請求項1〜11のいずれか一つに記載の流体分離装置。
- 前記第1の出口(50)及び前記第2の出口(51)は、前記マイクロチャネルの前記長手方向軸に沿って互いにずれていることを特徴とする、請求項12に記載の流体分離装置。
- 前記第1の出口(50)及び前記第2の出口(51)は互いに対面して配されることを特徴とする、請求項12に記載の流体分離装置。
- 前記流体分離装置は、第3の出口(53)を更に備え、前記第2の出口は、前記第2の横軸に沿って前記第1の出口と前記第3の出口との間に配されることを特徴とし、前記第1の出口と前記第2の出口、及び前記第2の出口と前記第3の出口は、前記第2の横軸に沿って測定されるゼロではない高さのそれぞれの横分離壁(52、53)によって互いに隔てられていることを特徴とする、請求項12〜14のいずれか一つに記載の流体分離装置。
- 前記流体分離装置は、前記出口の1つと関連づけられる少なくとも1つの出口オリフィスを有し、該オリフィスはダクトを介して該出口と流体連通し、前記ダクトは先端に向かって先細になっている部分を有し、前記出口オリフィスは、前記先端に隣接する前記ダクトに開口していることを特徴とする、請求項12〜15のいずれか一つに記載の流体分離装置。
- 前記流体分離装置は、前記マイクロチャネルの少なくとも一部分内に、少なくとも1つの横方向の力場を生ずるように配されることを特徴とする、請求項1〜16のいずれか一つに記載の流体分離装置。
- 前記流体分離装置は、前記マイクロチャネルを少なくとも部分的に形成する少なくとも1つのシート(43)又は少なくとも2つのシートのスタックを含み、前記シート又は該シートのスタックは、少なくとも2つのプレート(32)間に挟まれることを特徴とする、請求項1〜17のいずれか一つに記載の流体分離装置。
- 平行なマイクロチャネル(66)のアレイを有することを特徴とする、請求項1〜18のいずれか一つに記載の流体分離装置。
- 請求項1〜19のいずれか一つに記載の装置内に、種を含有する物質を前記第2の入口を介して前記マイクロチャネルに沿って流すステップと、
前記種を含有する前記物質が、前記マイクロチャネルの下壁及び上壁から離隔したシートの形態で前記マイクロチャネルの少なくとも一部分にわたって流れるように、1つ又は複数のキャリア流体を、前記第1の入口及び前記第3の入口を介して前記マイクロチャネルに沿って流すステップと
を含むことを特徴とする、方法。 - 少なくとも前記マイクロチャネル内に流れが確立している間に、該マイクロチャネルを、少なくとも1つの横方向の力場に配置するステップを含む、請求項20に記載の方法。
- 流体力学的浮力、又はせん断により誘導される流体力学的拡散の作用下で、前記種を移動させるステップを含む、請求項20又は21に記載の方法。
- 種を選別する方法、診断方法又は分析方法、精製方法、種を富化し又は除く方法、種を合成する方法、種の物理特性又は化学特性を変える方法、薬剤を探索する方法、混合する方法、拡散係数を測定する方法のうち少なくとも1つの用途において使用されることを特徴とする、請求項20又は21に記載の方法。
- 前記第2の入口(8)は、前記分離壁の少なくとも一方に隣接する、請求項1に記載の流体分離装置。
- 前記ダクトは、該ダクトの先端から拡がる末広部分(16、19)を有している、請求項11に記載の流体分離装置。
- 前記供給オリフィスは、前記ダクトに対して垂直に開口している、請求項11又は25に記載の流体分離装置。
- 前記出口オリフィスは、前記ダクトに対して垂直に開口している、請求項16に記載の流体分離装置。
- 微小流体装置である流体分離装置(1、65、72、80)を作製する方法であって、該装置は、
長手方向軸(X)に沿って延びる少なくとも1つのマイクロチャネル(2、66)であって、第1の横軸(Y)に沿って測定される幅と、該第1の横軸(Y)に対して垂直な第2の横軸(Z)に沿って測定される厚みとを呈する横断面を有し、前記幅は前記厚みよりも大きく、前記第2の横軸に沿って下壁(3)及び上壁(4)を有する、該マイクロチャネルと、
前記マイクロチャネル(2)の入口と流体連通する、少なくとも第1の入口(7)、第2の入口(8)、及び第3の入口(9)であって、前記第2の入口(8)は、前記第2の横軸(Z)に沿って前記第1の入口(7)と前記第3の入口(9)との間に配され、前記第1の入口(7)及び第3の入口(9)は前記キャリア流体を導入するためのものであって、前記第2の入口(8)は前記物質流体を導入するためのものである、該第1の入口(7)、該第2の入口(8)、及び該第3の入口(9)と、
前記第1の入口と前記第2の入口、及び前記第2の入口と前記第3の入口をそれぞれ分離する、少なくとも第1の横分離壁(10)及び第2の横分離壁(11)であって、前記第1の横分離壁(10)及び前記第2の横分離壁(11)は、前記第2の入口(8)が、前記第2の横軸(Z)に沿って測定されるゼロではない距離だけ前記下壁(3)及び前記上壁(4)のそれぞれから隔てられるように配される、該第1の横分離壁(10)及び該第2の横分離壁(11)とを備え、
該方法は、流路の少なくとも一部を形成するカットアウトを有するシートを少なくとも2つのプレート間に配置するステップを含む、方法。
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FR2882939A1 (fr) | 2006-09-15 |
EP1869427B1 (fr) | 2014-03-05 |
CA2600754A1 (fr) | 2006-09-14 |
FR2882939B1 (fr) | 2007-06-08 |
WO2006095117A1 (fr) | 2006-09-14 |
EP1869427A1 (fr) | 2007-12-26 |
US20080067128A1 (en) | 2008-03-20 |
US7897044B2 (en) | 2011-03-01 |
CA2600754C (fr) | 2014-05-06 |
JP2008533460A (ja) | 2008-08-21 |
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