JP2020014461A - 粒子懸濁液から単粒子を分離する装置及び方法 - Google Patents
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Abstract
Description
上述した従来技術の制限は、単一細胞の分離に関して生じるだけでなく、他の種類の生物学的粒子、又は環境調査などにおける非生物学的粒子の分離など他の粒子分離技術においても同様に生じる。
上述した従来技術の制限は、単一細胞の分離に関して生じるだけでなく、他の種類の生物学的粒子、又は環境調査などにおける非生物学的粒子の分離など他の粒子分離技術においても同様に生じる。
2 懸濁液試料
3 希釈液
4 第1の部分
5 第2の部分
10 液滴ディスペンサ装置
11 ディスペンサ頭部
12 液滴ディスペンサ
13 液滴ディスペンサ先端(ノズル)
14 上部液滴ディスペンサ接合部
15 システム液体ライン
16 ディスペンサ制御装置
20 キャリア基板
21 疎水性基板表面
22 緩衝チューブ
23 回収チューブ
30 ターゲット基板
40 機械式ポンプ装置
41 シリンジポンプ
42 ポンプアクチュエータ
50 サイフォンポンプ装置
51 システム液体リザーバ
52 サイフォンライン
53 システム液体
60 弁装置
61 三方弁
62 弁アクチュエータ
70 カメラ装置
100 粒子分離装置
D 距離
H 高さ
Claims (15)
- 懸濁液試料(2)から粒子(1)を分離するように構成された、粒子分離装置(100)であって、
キャリア基板(20)から前記懸濁液試料(2)を回収するように、且つターゲット基板(30)に液滴を分注するように適合される、液滴ディスペンサ装置(10)と、
前記液滴ディスペンサ装置(10)の中に希釈液(3)を充填するために、且つ前記懸濁液試料(2)の第1の部分(4)を前記液滴ディスペンサ装置(10)の中に吸引するために前記液滴ディスペンサ装置(10)に結合される、機械式ポンプ装置(40)と、
前記液滴ディスペンサ装置(10)に結合され、前記液滴ディスペンサ装置(10)の中に前記懸濁液試料(2)の第2の部分(5)を吸引するように構成される、サイフォンポンプ装置(50)とを備える、粒子分離装置(100)。 - 前記機械式ポンプ装置(40)が、前記液滴ディスペンサ装置(10)に結合されるシリンジポンプ(41)を備える、
請求項1に記載の粒子分離装置。 - 前記サイフォンポンプ装置(50)が、前記キャリア基板(20)よりも低いレベルに配置され、且つ前記液滴ディスペンサ装置(10)に結合される、システム液体リザーバ(51)を備える、請求項1又は2のいずれか一項に記載の粒子分離装置。
- 前記機械式ポンプ装置(40)、及び前記サイフォンポンプ装置(50)のうちの少なくとも1つの、前記液滴ディスペンサ装置(10)との液体連通を制御するように適合される、弁装置(60)を更に備える、
請求項1〜3のいずれか一項に記載の粒子分離装置。 - 前記弁装置(60)が、前記機械式ポンプ装置(40)と前記液滴ディスペンサ装置(10)との間、又は前記サイフォンポンプ装置(50)と前記液滴ディスペンサ装置(10)との間に液体連通を提供するように適合される、三方弁(61)を備える、
請求項4に記載の粒子分離装置。 - 前記キャリア基板(20)が、疎水性表面(21)を有する、
請求項1〜5のいずれか一項に記載の粒子分離装置。 - 前記液滴ディスペンサ装置(10)が、前記ターゲット基板(30)に単粒子の液滴を分注するように適合される、
請求項1〜6のいずれか一項に記載の粒子分離装置。 - 多粒子を含む液滴を再捕捉するために配置される、回収容器を更に備える、
請求項1〜7のいずれか一項に記載の粒子分離装置。 - 前記サイフォンポンプ装置(50)、及び前記キャリア基板(20)が、残留物のない方法で前記懸濁液試料(2)を回収するように適合されることを更に備える、
請求項1〜8のいずれか一項に記載の粒子分離装置。 - 懸濁液試料(2)から粒子を分離する方法であって、
キャリア基板(20)に前記懸濁液試料(2)を供給するステップと、
液滴ディスペンサ装置(10)に希釈液(3)を充填するステップと、
前記液滴ディスペンサ装置(10)に前記懸濁液試料(2)を充填するステップであって、その結果、前記懸濁液試料(2)が前記希釈液(3)で希釈され、機械式ポンプ装置(40)の動作によって、前記懸濁液試料(2)の第1の部分(4)を前記液滴ディスペンサ装置(10)の中に吸引する第1の吸引段階、及びサイフォンポンプ装置(50)の動作によって、前記懸濁液試料(2)の第2の部分(5)を前記液滴ディスペンサ装置(10)の中に吸引する第2の吸引段階を含む、懸濁液試料(2)を充填するステップと、
ターゲット基板(30)に、前記液滴ディスペンサ装置(10)で液滴を分注するステップであって、前記液滴は、時間平均で1滴毎に1つ未満の粒子を含む、分注するステップとを含む、方法。 - 前記懸濁液試料(2)を充填した後に、更なる量の前記希釈液(3)を前記液滴ディスペンサ装置(10)に充填するステップを更に含む、
請求項10に記載の方法。 - 前記粒子が、生体細胞、細胞凝集体、細胞成分、生物高分子、及び/又は生体分子で官能化された微粒子を含むステップを更に含む、
請求項10又は11のいずれか一項に記載の方法。 - 前記希釈液(3)が、生理的緩衝溶液である、請求項10〜12のいずれか一項に記載の方法。
- 前記機械式ポンプ装置(40)が、前記液滴ディスペンサ装置(10)に結合されるシリンジポンプを備え、
前記サイフォンポンプ装置(50)が、前記キャリア基板(20)よりも低いレベルに配置され、且つ前記液滴ディスペンサ装置(10)に結合される、システム液体リザーバを備え、
前記機械式ポンプ装置(40)、及び前記サイフォンポンプ装置(50)のうちの少なくとも1つと、前記液滴ディスペンサ装置(10)との液体連通が、弁装置(60)、具体的には三方弁で制御され、
多粒子を含む、分注された液滴が、回収容器で再捕捉される、
以上の特徴のうち少なくとも1つを含む、請求項10〜13のいずれか一項に記載の方法。 - 前記懸濁液試料(2)が、残留物のない方法で前記キャリア基板(20)から回収される、
請求項10〜14のいずれか一項に記載の方法。
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US10717086B2 (en) | 2016-08-29 | 2020-07-21 | The Regents Of The University Of California | Integrated system for isolation and emulsification of particles and cells |
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US20050003458A1 (en) * | 2003-06-12 | 2005-01-06 | Mathew Moore | Method and system for the analysis of high density cells samples |
US20080296157A1 (en) * | 2005-09-30 | 2008-12-04 | Perkinelmer Cellular Technologies Germany Gmbh | Method and Device for Handling Sedimenting Particles |
JP2012217397A (ja) * | 2011-04-11 | 2012-11-12 | Hitachi Ltd | 細胞採取システム |
US20170274689A1 (en) * | 2016-03-23 | 2017-09-28 | Scienion Ag | Method and apparatus for single particle deposition |
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US20200025783A1 (en) | 2020-01-23 |
US12000852B2 (en) | 2024-06-04 |
CN110763531A (zh) | 2020-02-07 |
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