JP5512754B2 - 磁場を利用する自己細胞抽出装置およびこれを利用する方法 - Google Patents
磁場を利用する自己細胞抽出装置およびこれを利用する方法 Download PDFInfo
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- JP5512754B2 JP5512754B2 JP2012155505A JP2012155505A JP5512754B2 JP 5512754 B2 JP5512754 B2 JP 5512754B2 JP 2012155505 A JP2012155505 A JP 2012155505A JP 2012155505 A JP2012155505 A JP 2012155505A JP 5512754 B2 JP5512754 B2 JP 5512754B2
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- C12M1/00—Apparatus for enzymology or microbiology
- C12M1/42—Apparatus for the treatment of microorganisms or enzymes with electrical or wave energy, e.g. magnetism, sonic waves
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- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
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- C12Q1/24—Methods of sampling, or inoculating or spreading a sample; Methods of physically isolating an intact microorganisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/26—Details of magnetic or electrostatic separation for use in medical applications
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Description
すなわち、上述した有効細胞20の自己抽出についてもう一度説明すれば、重力および細胞液自体による流動力を除けば、磁場制御部130から発生する磁場により、有効細胞20に加えられる力(Fcell)は前記数式(1)のように示されるようになる。
110 流路ケーシング
111 上部基板
113 下部基板
114 流動路
120 分離部
122 分離チャネル
130 磁場制御部
Claims (11)
- 細胞液から分離対象となる有効細胞を抽出するための装置であって、
上部基板および磁性を有する下部基板が相互結合し、内部に前記細胞液が流動するための流動路が形成される流路ケーシングと、
前記流動路上に配置され、前記細胞液に含まれる細胞のうちで抽出対象となる前記有効細胞の通過を選択的に遮断する分離チャネルを備えた分離部と、
前記流路部の内部に磁場を形成し、前記分離チャネルを遮断する前記有効細胞を前記分離チャネルから分離する磁場制御部と、を含む磁場を利用する自己細胞抽出装置。 - 前記分離チャネルは、前記細胞液の流動方向に沿って幅が次第に狭まるように構成される請求項1に記載の磁場を利用する自己細胞抽出装置。
- 前記分離部は、前記細胞液の流動方向に沿って幅が次第に広くなり、前記分離チャネルを形成するように相互離隔して配置される複数の微細構造物を含む請求項2に記載の磁場を利用する自己細胞抽出装置。
- 前記複数の微細構造物は、前記磁場制御部および前記下部基板の間に発生する磁場の勾配を増加させるように構成される請求項3に記載の磁場を利用する自己細胞抽出装置。
- 前記流動路の両端部には、前記細胞液が投入されるための投入ポート、および、前記分離部を通過した非有効細胞を外部に排出させるための排出ポートをそれぞれ形成してある請求項4に記載の磁場を利用する自己細胞抽出装置。
- 前記下部基板は、高分子樹脂および強磁性粒子の混合液が硬化して形成される請求項1に記載の磁場を利用する自己細胞抽出装置。
- 前記磁場制御部は、前記分離チャネルが前記有効細胞によって遮断される場合に、前記流動路内に磁場を作動させて制御する請求項1に記載の磁場を利用する自己細胞抽出装置。
- 前記磁場制御部は、電磁石で構成され、印加される電流を制御して磁場の強度を調節する請求項1に記載の磁場を利用する自己細胞抽出装置。
- 請求項1に記載の磁場を利用する自己細胞抽出装置を利用する方法であって、
前記流路ケーシングの前記流動路内に抽出対象である有効細胞と非抽出対象である非有効細胞を含む細胞液を投入させる投入段階と、
複数の分離チャネルそれぞれに前記細胞液を通過させ、前記非有効細胞を通過させて前記有効細胞を選択的に抽出させる抽出段階と、
前記有効細胞が前記分離チャネルを遮断しないように前記流動路内に磁場を発生させる磁場発生段階と、を含む磁場を利用する細胞抽出方法。 - 前記磁場発生段階では、前記投入段階と同時に磁場を発生させ、前記有効細胞が前記分離チャネルを遮断することを防ぐ請求項9に記載の磁場を利用する細胞抽出方法。
- 前記磁場発生段階では、磁場を選択的に発生させ、前記分離チャネルを遮断する前記有効細胞を前記分離チャネルから分離する請求項9に記載の磁場を利用する細胞抽出方法。
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KR1020120045751A KR101211862B1 (ko) | 2012-04-30 | 2012-04-30 | 자기장을 이용하는 자가 세포 추출장치 및 이를 이용하는 방법 |
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EP (1) | EP2659984B1 (ja) |
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US10406533B2 (en) * | 2015-06-24 | 2019-09-10 | Auburn University | Electromagnetic fluid filter using magnetostrictive sensors |
KR101583017B1 (ko) | 2015-07-17 | 2016-01-06 | 주식회사 지노바이오 | MIP(Magnetic Iron Particles)분리 시스템 |
KR102270402B1 (ko) | 2015-07-17 | 2021-06-29 | 주식회사 지노바이오 | 자기력 흐름을 이용한 MIP(Magnetic Iron Particles)분리장치 |
KR101720609B1 (ko) | 2015-07-17 | 2017-03-28 | 주식회사 지노바이오 | 자기력 흐름을 이용한 MIP(Magnetic Iron Particles)분리장치 |
KR101697457B1 (ko) * | 2016-03-30 | 2017-01-18 | 한국기계연구원 | 표적세포 포획용 필터장치 및 이를 이용한 표적세포 회수방법 |
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JPH0534337A (ja) | 1991-07-26 | 1993-02-09 | Terumo Corp | 白血球分離用フイルター |
CA2134477C (en) | 1992-05-01 | 1999-07-06 | Peter Wilding | Analysis based on flow restriction |
JP2004042012A (ja) | 2001-10-26 | 2004-02-12 | Nec Corp | 分離装置、分析システム、分離方法および分離装置の製造方法 |
US20040018611A1 (en) * | 2002-07-23 | 2004-01-29 | Ward Michael Dennis | Microfluidic devices for high gradient magnetic separation |
JP2005007352A (ja) | 2003-06-20 | 2005-01-13 | Sharp Corp | 粒子の分離方法及び分離装置並びに検出装置 |
KR100624460B1 (ko) | 2005-02-12 | 2006-09-19 | 삼성전자주식회사 | 나노 내지 마이크로 크기의 포어가 형성되어 있는 막을 포함하는 미세유동장치 및 그를 이용하여 분극성 물질을 분리하는 방법 |
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KR100872497B1 (ko) | 2007-03-27 | 2008-12-05 | 한국과학기술원 | 연속적 입자 분류기 |
ATE554859T1 (de) * | 2007-05-24 | 2012-05-15 | Univ California | Integrierte fluidische vorrichtungen mit magnetischer sortierung |
JP5231782B2 (ja) | 2007-10-26 | 2013-07-10 | 学校法人常翔学園 | 固液分離機能を有する装置及びその製造方法 |
JP5343092B2 (ja) | 2008-01-29 | 2013-11-13 | カリフォルニア インスティチュート オブ テクノロジー | 細胞分離を行う精密濾過の方法及び装置 |
KR20120031218A (ko) | 2009-06-05 | 2012-03-30 | 인터젠엑스 인크. | 만능 샘플 제조 시스템 및 집적 분석 시스템에서의 사용 |
CN102713640B (zh) * | 2009-06-10 | 2015-09-16 | 辛温尼奥生物***公司 | 鞘流装置和方法 |
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KR101211862B1 (ko) | 2012-12-12 |
EP2659984B1 (en) | 2018-11-14 |
US9205432B2 (en) | 2015-12-08 |
EP2659984A2 (en) | 2013-11-06 |
EP2659984A3 (en) | 2017-07-19 |
US20130284676A1 (en) | 2013-10-31 |
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