JP2002503334A - 粒子の分離と分析用のマイクロフローシステム - Google Patents
粒子の分離と分析用のマイクロフローシステムInfo
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- JP2002503334A JP2002503334A JP51213998A JP51213998A JP2002503334A JP 2002503334 A JP2002503334 A JP 2002503334A JP 51213998 A JP51213998 A JP 51213998A JP 51213998 A JP51213998 A JP 51213998A JP 2002503334 A JP2002503334 A JP 2002503334A
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Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 粒子を含有する流体の流れをフローチャンネルに案内する部材に画定され たフローチャンネルと、 流体をフローチャンネルに導入するためフローチャンネルの一端に位置した第 1の入口手段と、 流体をフローチャンネルから排出するためフローチャンネルの他端に位置した 第1出口手段とを有する部材を具備し、 粒子を含有する流体の流れが、一時に1つの粒子がフローチャンネルの断面を 通過するように制御され、かつ部材は、フローチャンネルに存在しかつフローチ ャンネルを横切る場に影響される粒子が場の方向に偏向されるように、フローチ ャンネルの縦軸に実質的に垂直である場に位置される粒子分離用のマイクロフロ ーシステム。 2. 部材が、さらに、フローチャンネルの縦軸に実質的に垂直な場を発生する ためのフローチャンネルに隣近した場発生手段を有する請求項1によるマイクロ フローシステム。 3. さらに、フローチャンネル内で測定容量内にある粒子のパラメータをモニ ターし、モニターしたパラメータに対応する出力信号を出すフローチャンネルに 位置したモニター手段を有する請求項1又は2によるマイクロフローシステム。 4. モニター手段が、フローチャンネル内の測定容量内にある粒子の光学パラ メータをモニターし、光学パラメータに対応する出力信号を出す光学検出手段か らなる請求項3によるマイ クロフローシステム。 5. モニター手段が、フローチャンネルの特定容量内の磁性粒子の磁性パラメ ータの測定用のハルセンサーからなる請求項3又は4によるマイクロフローシス テム。 6. さらに、モニター手段の出力信号に応じて場発生手段により発生した場の 強度を制御する場発生制御手段を備え、粒子がモニター手段によってモニターさ れたパラメータ値に従って分離される請求項3〜5の何れかによるマイクロフロ ーシステム。 7. 粒子を含有する流体流のチャンネルにおけるレイノルズ数が、0.01〜500 の範囲、好ましくは0.05〜50の範囲、特に0.1〜25の範囲である前記請求項の何 れかによるマイクロフローシステム。 8. フローチャンネルの最低断面積が0.004〜0.11mm2の範囲である請求項1〜 6の何れかによるマイクロフローシステム。 9. さらに、フローチャンネルで偏向された粒子を排出する第2出口手段を備 える前記請求項の何れかによるマイクロフローシステム。 10. 場発生手段が磁石からなる前記請求項の何れかによるマイクロフローシ ステム。 11. 場発生手段が、さらに磁場の焦点化のためにフローチャンネルに位置し たフェライト部材からなる請求項10によるマイクロフローシステム。 12. 場発生手段が電極からなる前記請求項の何れかによる マイクロフローシステム。 13. 場発生手段のフローチャンネルに対する位置が、フローチャンネルに対 する場の強度を調整するために調整可能である前記請求項の何れかによるマイク ロフローシステム。 14. さらに、フローチャンネル内にある粒子の時間を調整するための流速調 整手段を備える前記請求項の何れかによるマイクロフローシステム。 15. さらに、フローチャンネルを覆うカバーを備える請求項の何れかによる マイクロフローシステム。 16. カバーが、フローチャンネルを光学的にモニターできる透明又は半透明 カバーである請求項15によるマイクロフローシステム。 17. さらに、第1案内バッファーを導入する第2入口手段を備え、粒子を含 有する流体流のフローチャンネルを経る断面と通路が、第1案内バッファー流に よって調整される前請求項の何れかによるマイクロフローシステム。 18. さらに、第2案内バッファーを導入する第3入口手段を備え、粒子を含 有する流体流のフローチャンネルを経る断面と通路が、粒子を含有する流体流を 囲む第1と第2案内バッファー流によって調整される請求項17によるマイクロ フローシステム。 19. 粒子を含有する流体流の巾と位置が、流体流量と案内バッファー流量の 容量比の調整によって制御される請求項18によるマイクロフローシステム。 20. 偏向した粒子が生細胞からなる前請求項の何れかにるマイクロフローシ ステム。 21. 偏向した粒子が、ビーズ、ミクロスフェア、染色体、小器官、生体分子 又はタンパク質からなる前請求項の何れかによるマイクロフローシステム。 22. 偏向した粒子が、磁性的に、発色的に又は蛍光的に染色される前請求項 の何れかによるマイクロフローシステム。 23. フローチャンネルに対する場への異なる磁化率によって分離された粒子 を排出する複数の出口を備える前請求項の何れかによるマイクロフローシステム 。 24. 部材が、さらに前処理及び/又は後処理機能を備える前請求項の何れか によるマイクロフローシステム。 25. 前処理機能が、粒子からなる流体を調製又は予備反応させる培養手段か らなる請求項24によるマイクロフローシステム。 26. 前処理機能が、磁性、蛍光又は発色染色の手段からなる請求項24又は 25によるマイクロフローシステム。 27. 後処理機能が、偏向した粒子を回収又は濃縮する手段からなる請求項2 4によるマイクロフローシステム。 28. 後処理機能が、偏向した粒子を1以上の試薬と接触させる手段からなる 請求項24によるマイクロフローシステム。 29. 粒子を含有する流体流をフローチャンネルに案内する部材の中で画定さ れたフローチャンネルと、 流体をフローチャンネルに導入するためフローチャンネルの 一端に位置した第1入口手段と、 流体をフローチャンネルから排出するためフローチャンネルの他端に位置した 第1と第2出口手段と、 そこで、粒子を含有する流体流は、一時に1つの粒子がフローチャンネルの断 面を通過するように制御され、 フローチャンネル内の測定容量内にある粒子のパラメータをモニターし、モニ ターされたパラメータに対応する出力信号を与えるフローチャンネルに位置した モニター手段と、 第1及び第2出口手段それぞれの流体の通過をモニター手段の出口信号に応じ て制御し、それより粒子がモニター手段によってモニターされたパラメータ値に よって分離される制御手段を有する部材を具備する粒子分離用のマイクロフロー システム。 30. 粒子を含有する液体流をフローチャンネルに案内する部材中で画定され たフローチャンネルと、 流体をフローチャンネルに導入するためのフローチャンネルの一端に位置した 入口手段と、 フローチャンネルの縦軸に実質的に沿った場を発生させ、それによって粒子が チャンネルに沿って場に吸引され、場への磁化率と移動性に従って分布される、 フローチャンネルの他端に隣近して位置する場発生手段を有する部材を具備する ことからなる粒子分離用のマイクロフローシステム。 31. 流体流をフローチャンネルに案内するため部材中に画定されたフローチ ャンネルと、粒子をフローチャンネルに導入 する第1入口手段と、流体をフローチャンネルから排出する第1出口手段及び流 体がフローチャンネルに存在する間に複数の成分を分析できる、フローチャンネ ルに位置し固定化した試薬からなる複数のアッセイ部位を有する部材を具備する ことからなる、流体成分を分析するマイクロフローシステム。 32. さらに、対応するアッセイ部位に隣近した場を発生させるためアッセイ 部位の少なくとも幾つかに隣近して位置する場発生手段を備え、それによって、 フローチャンネルに存在し、選択されたアッセイ部位で発生した場に影響される 試薬が、選択されたアッセイ部位に吸引されかつ固定されるか、選択されたアッ セイ部位から拒絶される請求項31によるマイクロフローシステム。 33. 部材が、平行又は一連に配置された複数のフローチャンネルを有し、そ の各々がアッセイ部位を有し、それによって粒子を含有する流体が多数のアッセ イ部位と接触される請求項31又は32によるマイクロフローシステム。 34. 粒子を含有する流体流を一時に1つの粒子がフローチャンネルの断面を 通過するようにフローチャンネルに案内し、フローチャンネルを、フローチャン ネルの縦軸に実質的に垂直である場に位置させ、それによりフローチャンネルに 存在し、フローチャンネルを横切る場に影響される粒子が、場の方向に偏向され 流体から分離される 工程からなる粒子を分離する方法。 35. 胎児細胞と母体細胞を含有する流体中で胎児細胞を磁 性的に選択染色し、胎児細胞を含有する流体流を一時に1つの胎児細胞がフロー チャンネルの断面を通過するようにフローチャンネルに案内し、フローチャンネ ルを、フローチャンネルの縦軸に実質的に垂直である磁場に位置させ、フローチ ャンネルに存在する磁性的に染色した胎児細胞が磁場の方向に偏向される工程か らなる、母体細胞から胎児細胞を分離する方法。 36. 癌細胞と他の細胞を含有する流体中の癌細胞を磁性的に選択染色し、癌 細胞を含有する流体流を、一時に1つの癌細胞がフローチャンネルの断面を通過 するようにフローチャンネルに案内し、フローチャンネルをフローチャンネルの 縦軸に実質的に垂直である磁場に位置させ、フローチャンネルに存在する磁性的 に染色された癌細胞を磁場の方向に偏向させる工程からなる、他の細胞から癌細 胞を分離する方法。 37. 粒子を含有する流体流を、一時に1つの粒子がフローチャンネル(流体 を排出する第1と第2の出口手段を備える)の断面を通過するようにフローチャ ンネルに案内し、 フローチャンネル内の測定容量内にある粒子のパラメータをモニターし、 モニターしたパラメータ値にそれぞれ応じて第1及び第2出口手段の流体の通 過を制御し、それによって粒子をモニターしたパラメータ値に従って分離できる 工程からなる粒子を分離する方法。 38. 粒子を含有する流体をフローチャンネルに導入し、流体を複数のアッセ イ部位を有するチャンネルに流し、各アッセ イ部位は固定化試薬からなり、それによって流体がチャンネル中に存在する間に 複数の成分を分析できる工程からなる、流体成分の分析方法。 39. 選択した試薬の固定化のためのアッセイ部位の選択した表面を調製し、 対応する選択したアッセイ部位に隣近して選択した試薬を分配し、選択した部位 に隣近して場を発生させ、それによって、発生した場で選択したアッセイ部位の 表面に試薬を吸引かつ接触させ、接触でその表面に固定化する工程からなる、フ ローチャンネルにおける固定化試薬からなるアッセイ部位を形成する方法。
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US20070207548A1 (en) | 2007-09-06 |
EP0925494B1 (en) | 2001-12-19 |
NO991051D0 (no) | 1999-03-03 |
WO1998010267A1 (en) | 1998-03-12 |
DK0925494T3 (da) | 2002-07-01 |
EP0925494A1 (en) | 1999-06-30 |
DE69709377T2 (de) | 2002-08-14 |
US6432630B1 (en) | 2002-08-13 |
CA2264389A1 (en) | 1998-03-12 |
DE69709377D1 (de) | 2002-01-31 |
US7138269B2 (en) | 2006-11-21 |
AU4113297A (en) | 1998-03-26 |
NO317958B1 (no) | 2005-01-17 |
ATE211258T1 (de) | 2002-01-15 |
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US20030044832A1 (en) | 2003-03-06 |
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