JP2002503336A - 微量流通システムおよびその使用方法 - Google Patents
微量流通システムおよびその使用方法Info
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- JP2002503336A JP2002503336A JP54973398A JP54973398A JP2002503336A JP 2002503336 A JP2002503336 A JP 2002503336A JP 54973398 A JP54973398 A JP 54973398A JP 54973398 A JP54973398 A JP 54973398A JP 2002503336 A JP2002503336 A JP 2002503336A
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Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.微量流通デバイスであって、 検出領域および流出口を備えた主流通経路と; 前記検出領域においてまたは前記検出領域よりも上流側において、90°より も小さな上流側開き角度でもって前記主流通経路に対して合流する、少なくとも 2つの流入経路と; を具備することを特徴とする微量流通デバイス。 2.請求項1記載の微量流通デバイスにおいて、 2つの流入経路を具備していることを特徴とする微量流通デバイス。 3.請求項1記載の微量流通デバイスにおいて、 3つの流入経路を具備していることを特徴とする微量流通デバイス。 4.請求項3記載の微量流通デバイスにおいて、 前記主流通経路は、該主流通経路に対しての前記各流入経路の各合流箇所のと ころにまたはそこよりも下流側に、少なくとも1つの検出領域を備えていること を特徴とする微量流通デバイス。 5.請求項1記載の微量流通デバイスにおいて、 前記主流通経路は、およそ深さ0.1μm×幅0.1μm〜およそ深さ1mm ×幅2mmとされていることを特徴とする微量流通デバイス。 6.請求項1記載の微量流通デバイスにおいて、 第1流入経路は、およそ深さ0.1μm×幅0.1μm〜およそ深さ1mm× 幅2mmとされていることを特徴とする微量流通デバイス。 7.請求項1記載の微量流通デバイスにおいて、 さらに、流通誘起力を印加するための手段を具備していることを特徴とする微量 流通デバイス。 8.請求項6記載の微量流通デバイスにおいて、 前記流通誘起力が、電気力であることを特徴とする微量流通デバイス。 9.請求項6記載の微量流通デバイスにおいて、 前記流通誘起力が、負の流体圧力または正の流体圧力であることを特徴とする 微量流通デバイス。 10.請求項9記載の微量流通デバイスにおいて、 負の流体圧力または正の流体圧力が、前記流出口に印加されることを特徴とす る微量流通デバイス。 11.請求項1記載の微量流通デバイスにおいて、 少なくとも1つの前記流入経路および前記主流通経路内に、細胞を含有してい ることを特徴とする微量流通デバイス。 12.請求項1記載の微量流通デバイスにおいて、 前記主流通経路内に、白血球、カルシウム色素、および、候補化合物を含有し ていることを特徴とする微量流通デバイス。 13.請求項1に記載された微量流通デバイスを複数具備してなる観測デバイス であって、 前記複数の微量流通デバイスのそれぞれの検出領域を共有していることを特徴 とする観測デバイス。 14.請求項13記載の観測デバイスにおいて、 前記複数の微量流通デバイスのそれぞれの前記主流通経路どうしが、前記共有 検出領域において、実質的に互いに平行とされていることを特徴とする観測デバ イス。 15.請求項1に記載された微量流通デバイスを複数具備してなる観測デバイス であって、 前記複数の微量流通デバイスのそれぞれの前記主流通経路どうしが、それぞれ の検出領域において、実質的に互いに平行とされていることを特徴とする観測デ バイス。 16.細胞に対しての候補化合物の効果を微量流通デバイス内において観測する ための方法であって、 (a)検出領域および流出口を備えた主流通経路と、前記検出領域においてま たは前記検出領域よりも上流側において前記主流通経路に対して合流する少なく とも2つの流入経路と、を備えた微量流通デバイスを準備し; (b)少なくとも1つの細胞を、第1流入経路に導入するとともに、前記候補 化合物を、第2流入経路に導入し; (c)前記流出口に向けての、前記細胞の流れおよび前記候補化合物の流れを 誘起し; (d)前記第2流入経路と前記主流通経路との合流箇所において、前記細胞と 前記候補化合物とを混合し; (e)前記細胞に対しての前記候補化合物の効果を、前記検出領域において観 測する; ことを特徴とする方法。 17.請求項16記載の方法において、 前記微量流通デバイスが、3つの流入経路を備え、 第2候補化合物が、第3流入経路に導入されることを特徴とする方法。 18.請求項16記載の方法において、 前記細胞が前記検出領域内に位置している時に、前記流れを停止させることを 特徴とする方法。 19.請求項17記載の方法において、 前記主流通経路が複数の検出領域を備えているとともに、各検出領域が、前記 主流通経路に対しての前記各流入経路の各合流箇所のところにまたはそこよりも 下流側に位置している場合に、 複数の検出領域の各々において観測を行うことを特徴とする方法。 20.請求項16記載の方法において、 研究されるべき前記候補化合物が、細胞活性化剤であるとともに、前記細胞が 、リンパ球であることを特徴とする方法。 21.請求項17記載の方法において、 細胞が第1流入経路に導入され、細胞活性化剤が第2流入経路に導入され、候 補化合物が第3流入経路に導入されることを特徴とする方法。 22.請求項21記載の方法において、 研究されるべき前記候補化合物が抑制剤であり、前記細胞がリンパ球であるこ とを特徴とする方法。 23.請求項16記載の方法において、 前記主流通経路および前記各流入経路が、タンパク質、糖タンパク質、リン脂 質、親水性ポリマー、および、疎水性ポリマーからなるグループの中から選択さ れた物質でコーティングされていることを特徴とする方法。 24.請求項23記載の方法において、 前記主流通経路および前記各流入経路が、タンパク質でコーティングされてい ることを特徴とする方法。 25.請求項23記載の方法において、 前記流れを、電気力によって誘起することを特徴とする方法。 26.請求項24記載の方法において、 前記流れを、正の流体圧力または負の流体圧力によって誘起することを特徴と する方法。 27.リンパ球におけるカルシウム流を研究するための方法であって、 (a)検出領域を備えた主流通経路と、前記検出領域よりも上流側において前 記主流通経路に対して順次的に合流する少なくとも2つの流入経路と、前記検出 領域よりも下流側に配置された流出口と、を備えた徴量流通デバイスを準備し; (b)リンパ球を第1流入経路に導入するとともに、活性化剤を第2流入経路 に導入し; (c)前記流出口に向けての、前記リンパ球の流れおよび前記活性化剤の流れ を誘起し; (d)前記第2流入経路と前記主流通経路との合流箇所において、前記リンパ 球と前記活性化剤とを混合し; (e)前記リンパ球に対しての前記活性化剤の効果を観測する; ことを特徴とする方法。 28.請求項27記載の方法において、 前記微量流通デバイスが、3つの流入経路を備え、 候補化合物を第3流入経路に導入し、 前記検出領域において、前記リンパ球に対しての前記候補化合物の効果を観測 することを特徴とする方法。 29.白血球のローリングを研究するための方法であって、 (a)検出領域および流出口を備えた主流通経路であるとともに、前記検出領 域における壁には細胞付着性分子が取り付けられている主流通経路と、前記検出 領域のところにおいてまたは前記検出領域よりも上流側において前記主流通経路 に対して順次的に合流する少なくとも2つの流入経路と、を備えた微量流通デバ イスを準備し; (b)少なくとも1つの白血球を、第1流入経路に導入し; (c)少なくとも1つの白血球と候補化合物とを、第2流入経路に導入し; (d)前記主流通経路内において前記白血球の流れおよび前記候補化合物の流 れを誘起し; (e)前記白血球と前記細胞付着性分子とを相互作用させ; (f)前記候補化合物の存在下においてまたはそれがない状態において、前記 検出領域において前記白血球のローリングを観測する; ことを特徴とする方法。 30.請求項29記載の方法において、 前記微量流通デバイスが、約30μm〜約500μmという断面積とされた主 流通経路を備えていることを特徴とする方法。 31.請求項29記載の方法において、 前記微量流通デバイスが、さらに、第3流入経路を備え、 緩衝剤を、この第3流入経路に導入することを特徴とする方法。 32.請求項1記載のデバイスにおいて、 前記主流通経路の断面積が、場所によって変化していることを特徴とするデバ イス。 33.請求項32記載のデバイスにおいて、 前記断面積変化が、細胞拘束領域を形成していることを特徴とするデバイス。 34.請求項32記載のデバイスにおいて、 前記断面積変化が、堰によってもたらされていることを特徴とするデバイス。
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US08/858,087 US6632619B1 (en) | 1997-05-16 | 1997-05-16 | Microfluidic system and methods of use |
US4702497P | 1997-05-19 | 1997-05-19 | |
US60/047,024 | 1997-05-19 | ||
US08/858,087 | 1997-05-19 | ||
PCT/CA1998/000481 WO1998052691A1 (en) | 1997-05-16 | 1998-05-15 | Microfluidic system and methods of use |
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JP54973398A Ceased JP2002503336A (ja) | 1997-05-16 | 1998-05-15 | 微量流通システムおよびその使用方法 |
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US (1) | US6900021B1 (ja) |
EP (1) | EP0981408B1 (ja) |
JP (1) | JP2002503336A (ja) |
AT (1) | ATE264717T1 (ja) |
AU (1) | AU734957B2 (ja) |
CA (1) | CA2286601A1 (ja) |
DE (1) | DE69823347T2 (ja) |
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Also Published As
Publication number | Publication date |
---|---|
CA2286601A1 (en) | 1998-11-26 |
US6900021B1 (en) | 2005-05-31 |
WO1998052691A1 (en) | 1998-11-26 |
DE69823347D1 (de) | 2004-05-27 |
DE69823347T2 (de) | 2005-05-12 |
AU7421898A (en) | 1998-12-11 |
EP0981408A1 (en) | 2000-03-01 |
EP0981408B1 (en) | 2004-04-21 |
ATE264717T1 (de) | 2004-05-15 |
AU734957B2 (en) | 2001-06-28 |
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