JP6902572B2 - 生物学的微小物体用ペン - Google Patents
生物学的微小物体用ペン Download PDFInfo
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Description
Claims (34)
- マイクロ流体デバイスであって、基板及び前記基板の表面上に配置されたマイクロ流体構造を備えるハウジングを備え、
前記基板及び前記マイクロ流体構造が、第1液状媒体及びそこに懸濁された生物学的微小物体を保持するための内部チャンバを規定し、
前記マイクロ流体構造が、(i)前記第1液状媒体に流路を提供するチャネルと、(ii)複数の有形の保持ペンと、を備え、
前記複数の保持ペンのそれぞれの保持ペンが、筐体と開口とを備え、
前記筐体が、第2液状媒体中に懸濁された生物学的微小物体を保持するように構成された内部空間を囲み、
前記開口が、前記チャネルに向かって開口し、
前記開口が、いずれの部分も、前記チャネルにおける前記第1液状媒体の流れに直接向けられないよう配向され、それにより、前記チャネルが前記第1液状媒体の流れを含み、前記保持ペンが前記第2液状媒体を含むときに、前記第1液状媒体が、前記内部空間中の前記第2液状媒体に直接流入することが妨げられ、前記内部空間中で、前記第1液状媒体と前記第2液状媒体の拡散混合が許容される、
マイクロ流体デバイス。 - 前記複数の保持ペンの少なくとも一つの保持ペンが、前記開口から前記筐体に延伸する内壁を備える、請求項1に記載のマイクロ流体デバイス。
- 前記少なくとも一つの保持ペンの前記内壁が、前記保持ペンの前記開口と、前記保持ペンの前記筐体内の内部収容空間と、の間のバリアを備える、請求項2に記載のマイクロ流体デバイス。
- 前記複数の保持ペンの少なくとも一つの保持ペンが、筐体及び開口を備える内ペンをさらに備え、前記内ペンが、前記少なくとも一つの保持ペンの前記筐体の内部に配置される、請求項1に記載のマイクロ流体デバイス。
- 前記複数の保持ペンの少なくとも一つの保持ペンが、前記少なくとも一つの保持ペンの前記筐体の内部に配置された内壁によって分離された保持空間を備え、
前記保持空間のそれぞれが、前記生物学的微小物体の一つを保持するよう構成された、
請求項1に記載のマイクロ流体デバイス。 - 前記複数の保持ペンが、行に配置され、ヘアピン曲線を有する単一の屈曲するチャネルと直接流体連通する、請求項1から5のいずれか1項に記載のマイクロ流体デバイス。
- 当該マイクロ流体デバイスが、分流チャネルのセットを備え、
前記複数の保持ペンのそれぞれが、前記分流チャネルのセットの一つのチャネルと直接流体連通する、
請求項1から5のいずれか1項に記載のマイクロ流体デバイス。 - 前記基板の内表面に誘電泳動(DEP)電極をさらに備え、
前記DEP電極が選択的に活性化及び非活性化されるよう構成され、
前記複数の保持ペンの前記開口のいずれかにおいて、DEP扉を選択的に作り出すとともに除去する手段をさらに備える、
請求項1から7のいずれか1項に記載のマイクロ流体デバイス。 - 前記基板の内表面に誘電泳動(DEP)電極をさらに備え、
前記DEP電極が選択的に活性化及び非活性化されるよう構成され、
(i)前記DEP電極が、配線による電気的接続を備えるか、
(ii)前記DEP電極が、光導電層を備えるか、又は
(iii)前記DEP電極が、フォトトランジスタを備える、
請求項1から8のいずれか1項に記載のマイクロ流体デバイス。 - 前記DEP電極が光学的に制御される、請求項9に記載のマイクロ流体デバイス。
- 第1電極と、第2電極と、電極活性化基板と、を備える電極機構をさらに備え、
前記第1電極が、前記チャンバを規定する第1壁の一部であり、
前記第2電極及び前記電極活性化基板が、前記チャンバを規定する第2壁の一部である、
請求項1から10のいずれか1項に記載のマイクロ流体デバイス。 - 前記電極活性化基板が、
光導電性材料を備えるか、
半導体集積回路を形成する複数のドープ層、電気絶縁層、及び導電層を備える半導体材料を備えるか、又は
フォトトランジスタを備える、
請求項11に記載のマイクロ流体デバイス。 - 前記チャンバへと続く前記ハウジングへの注入口と、
前記チャンバから続く前記ハウジングからの排出口と、
を有する、請求項1から12のいずれか1項に記載のマイクロ流体デバイス。 - 前記チャネル及び前記複数の保持ペンが、前記注入口及び前記排出口の間の前記チャンバに配置されている、請求項13に記載のマイクロ流体デバイス。
- 前記ハウジングに配置された気体交換器をさらに備える、請求項1から14のいずれか1項に記載のマイクロ流体デバイス。
- 当該マイクロ流体デバイスが、複数の前記チャネルを備え、
前記複数のチャネルのそれぞれが、複数の前記保持ペンに流体連通する、請求項1から15のいずれか1項に記載のマイクロ流体デバイス。 - 前記ハウジングの全て又は一部が、気体透過性である、請求項1から16のいずれか1項に記載のマイクロ流体デバイス。
- 前記ペン中の前記微小物体の生物活動を監視するセンサをさらに備える、請求項1から17のいずれか1項に記載のマイクロ流体デバイス。
- 前記複数の保持ペンのそれぞれが、前記チャネルに向かう一つの開口を有する、請求項1から18のいずれか1項に記載のマイクロ流体デバイス。
- 生物学的微小物体の処理方法であって、
請求項1から19のいずれか1項に記載のマイクロ流体デバイスの保持ペンの内部空間に、個々の生物学的微小物体を能動的に配置することと、
ある期間にわたって、前記マイクロ流体デバイスをとおる第1液状媒体の流れを提供することと、
前記流れを提供する間、前記流れから前記保持ペンの内部空間への前記第1液状媒体の直接流入を妨げることと、
を含む方法。 - 前記妨げることが、前記保持ペンの前記内部空間中で、前記流れからの前記第1液状媒体と前記第2液状媒体の拡散混合を許容することを含む、請求項20に記載の方法。
- 前記ある期間、前記保持ペン中の前記微小物体の特徴を監視することをさらに含む、請求項20又は21に記載の方法。
- 前記特徴が、前記保持ペン中の前記微小物体の生物活動である、請求項22に記載の方法。
- 前記生物活動がクローニングを含み、
前記監視することが、前記保持ペン中の前記微小物体の前記クローニングを監視することを含む、
請求項23に記載の方法。 - 前記生物活動が、分泌物を分泌することを含み、
前記監視することが、前記保持ペン中の前記微小物体の前記分泌物を監視することを含む、
請求項23に記載の方法。 - 前記特徴が、前記保持ペン中の前記微小物体の生物学的状態である、請求項22に記載の方法。
- 前記第1液状媒体が前記第2液状媒体とは異なる種類の液状媒体である、請求項20から26のいずれか1項に記載の方法。
- 前記マイクロ流体デバイス中の複数の前記微小物体から、所定の特徴を有する微小物体のサブセットを選択することをさらに含み、
前記能動的に配置することが、前記保持ペン中に前記微小物体の前記選択されたサブセットのみを配置することを含む、
請求項20から27のいずれか1項に記載の方法。 - 前記複数の微小物体が、前記マイクロ流体デバイスの共通の場所にあり、
前記選択することが、前記共通の場所において前記選択されたサブセット中の前記微小物体の各1つを選択することを含み、
前記能動的に配置することが、前記選択されたサブセット中の前記微小物体の各一つを、前記共通の場所から前記保持ペンの一つに個々に移動させることを含む、
請求項28に記載の方法。 - 前記能動的に配置することが、前記保持ペンのそれぞれに、前記個々の微小物体の1つのみを配置することを含む、請求項20から29のいずれか1項に記載の方法。
- 前記能動的に配置することが、前記個々の微小物体に対する誘電泳動(DEP)力を作りだすDEP電極を活性化することを含む、請求項20から30のいずれか1項に記載の方法。
- 前記DEP電極を活性化することが、パターン化された光で前記DEP電極を活性化することを含む、請求項31に記載の方法。
- 前記提供することが、前記期間の間、前記保持ペン中に前記個々の微小物体を維持しながら、前記保持ペンの開口によって、前記第1液状媒体を流すことを含む、請求項20から32のいずれか1項に記載の方法。
- 前記配置することが、前記保持ペンの一つの複数の異なる保持空間のそれぞれに、複数の異なる種類の前記微小物体のそれぞれを配置することを含む、請求項20から33のいずれか1項に記載の方法。
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US9227200B2 (en) | 2011-06-03 | 2016-01-05 | The Regents Of The University Of California | Microfluidic devices with flexible optically transparent electrodes |
CN103998394B (zh) | 2011-08-01 | 2016-08-17 | 德诺弗科学公司 | 细胞捕获系统和使用方法 |
US10626435B2 (en) | 2012-03-28 | 2020-04-21 | Northeastern University | Nanofluidic device for isolating, growing, and characterizing microbial cells |
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