JP6367717B2 - 誘発されたキャビテーションによって駆動される高速オンデマンド型液滴生成および単一細胞封入 - Google Patents
誘発されたキャビテーションによって駆動される高速オンデマンド型液滴生成および単一細胞封入 Download PDFInfo
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Description
本出願は、その全体が参照によって本明細書中に組み込まれる、2012年2月9日出願の特許文献1の恩恵および優先権を主張する。
本発明は、米国航空宇宙局によって認定された認可番号第NCC2−1364号;米国国立衛生研究所によって認定された認可番号第Y018228号;ならびに全米科学財団によって認定された認可番号第0747950号、同第0852701号および同第0901154号で政府支援のもとでなされた。政府は本発明において一定の権利を有する。
以下の実施例が例示のために提案されるが、クレームされた発明に限定されない。
パルスレーザー誘発キャビテーションにより駆動される液滴生成
PLDGにより生成された液滴の体積の制御
PLDGにより生産された液滴のサイズの一貫性
PLDGによる液滴における封入
312 第2流体
320 第1流体チャネル
322 第1流体
410 第3流体チャネル
412 第3流体
415 第2流体チャネル
417 第2流体
420 第1流体チャネル
510 第3流体チャネル
512 第3流体
515 第2流体チャネル
517 第2流体
520 第1流体チャネル
522 第1流体
535 アパーチャ
610 第3流体チャネル
612 第3流体
615 第2流体チャネル
617 第2流体
620 第1流体チャネル
622 第1流体
635 可撓性膜
670 第2流体
710 第3流体チャネル
712 第3流体
715 第2流体チャネル
717 第2流体
720 第1流体チャネル
416、516、716 粒子または細胞
330、430、530、630 開口部
340、440、540、640、740 指向性エネルギー源
350、450、550、650、750 ミラー
355、455、555、655、755 レンズ
360、460、560、660、760 気泡
370、380、470、480、570、580、680、770、780 液滴
Claims (14)
- デバイスにおいて制御された体積を有する液滴を生成するための方法であって:
第1流体を含む第1流体管路、
第2流体を含む第2流体管路、
第3流体を含む第3流体管路、
前記第1流体管路と前記第2流体管路との間に挿入された可撓性膜、および
前記第2流体管路と前記第3流体管路との間の開口部
を提供するステップと、
前記第1流体管路中で、前記可撓性膜の一部分を前記第2流体管路中に弾性変形させるキャビテーション気泡を生成させるステップであって、前記可撓性膜の前記一部分の前記弾性変形は、前記開口部を超えて前記第3流体管路中に制御された体積の前記第2流体を押し出すために十分な速度を前記第2流体の一部に付与し、前記第3流体管路中に液滴を形成するステップと、を備える方法。 - 前記第2流体および前記第3流体が非混和性流体である、請求項1記載の方法。
- 前記キャビテーション気泡が、ある体積の第1流体レーザーパルスの照射によって生成される、請求項1又は2記載の方法。
- 前記第2流体管路中の流体をモニタリングし、そのようなモニタリングによって生じたデータをコントローラに伝達するステップをさらに含み、前記コントローラが、パルスレーザーによって放射されるパルスの発生のタイミング、パルスレーザーによって放射されるパルスの発生の周波数、パルスレーザーによって放射されるパルスの波長、パルスレーザーによって放射されるパルスのエネルギー、およびパルスレーザーによって放射されるパルスの照準または場所の少なくとも1つを制御する、請求項3記載の方法。
- 前記第2流体が粒子又は細胞を含み、前記粒子又は細胞は押し出された前記液滴中に封入される、請求項1から4のいずれか一項に記載の方法。
- 複数の別個のさらなるキャビテーション気泡を少なくとも1000Hzの周波数で生成させるステップをさらに含む、請求項1から4のいずれか一項に記載の方法。
- 前記液滴の体積が約500ナノリットル以下、または約200pL以下である、請求項1記載の方法。
- 前記方法を1kHz以上の周波数で繰り返す、請求項1記載の方法。
- 制御された体積を有する液滴を生成するためのデバイスであって:
第1流体管路;
第2流体管路;
第3流体管路;
前記第1流体管路と前記第2流体管路との間に挿入された可撓性膜であって、前記第1流体管路中の流体における気泡の形成が、前記可撓性膜の一部を弾性変形させる力を誘導するように配置された、前記可撓性膜;
前記第2流体管路と前記第3流体管路との間の開口部であって、前記可撓性膜の一部の弾性変形が第2流体に対して力を誘発し、それによって前記開口部を通って前記第2流体管路から前記第3流体管路中に制御された体積の前記第2流体を押し出し、前記第3流体管路中に液滴を形成するように配置された、前記開口部;および
前記第1流体管路中の前記流体における前記気泡の一時的形成を誘発するエネルギーを方向づけるように動作可能に構成されたコントローラ
を含む、デバイス。 - 前記コントローラによって、前記エネルギーがプログラム可能なタイミングで方向づけられることが可能になる、請求項9記載のデバイス。
- 前記デバイスは、前記エネルギーを発生させるためのパルスレーザーを備える、請求項9記載のデバイス。
- 前記コントローラが、パルスレーザーによって放射されるパルスの発生のタイミング、パルスレーザーによって放射されるパルスの発生の周波数、パルスレーザーによって放射されるパルスの波長、パルスレーザーによって放射されるパルスのエネルギー、およびパルスレーザーによって放射されるパルスの照準または場所の少なくとも1つを調節する、請求項11記載のデバイス。
- 前記第2または前記第3流体管路をモニタリングするように構成され、モニターからのデータをコントローラに転送するようにさらに構成されたモニターをさらに含む、請求項9記載のデバイス。
- 前記コントローラが、前記第3流体管路への前記第2流体の指定された体積を制御するようにさらに構成され、前記指定された体積が、少なくとも部分的に、前記モニターからの前記データによって決定される、請求項13記載のデバイス。
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CN104321652B (zh) | 2017-03-15 |
CA2864138A1 (en) | 2013-08-15 |
AU2016234996A1 (en) | 2016-10-20 |
CN106732223A (zh) | 2017-05-31 |
KR20150016929A (ko) | 2015-02-13 |
CN106732223B (zh) | 2019-09-24 |
EP2812709A2 (en) | 2014-12-17 |
JP2015508705A (ja) | 2015-03-23 |
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AU2016234996B2 (en) | 2018-12-06 |
EP3410124B1 (en) | 2020-09-09 |
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