JP2020008495A - 粒子分別装置 - Google Patents
粒子分別装置 Download PDFInfo
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- JP2020008495A JP2020008495A JP2018131700A JP2018131700A JP2020008495A JP 2020008495 A JP2020008495 A JP 2020008495A JP 2018131700 A JP2018131700 A JP 2018131700A JP 2018131700 A JP2018131700 A JP 2018131700A JP 2020008495 A JP2020008495 A JP 2020008495A
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- 239000002245 particle Substances 0.000 title claims abstract description 136
- 238000004720 dielectrophoresis Methods 0.000 claims abstract description 9
- 238000000926 separation method Methods 0.000 claims description 26
- 239000010419 fine particle Substances 0.000 abstract description 83
- 239000007788 liquid Substances 0.000 description 26
- 239000003550 marker Substances 0.000 description 5
- 239000011859 microparticle Substances 0.000 description 5
- 206010028980 Neoplasm Diseases 0.000 description 3
- 201000011510 cancer Diseases 0.000 description 3
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 3
- 239000004205 dimethyl polysiloxane Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012921 fluorescence analysis Methods 0.000 description 1
- 238000012252 genetic analysis Methods 0.000 description 1
- 238000011528 liquid biopsy Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 description 1
- 238000004987 plasma desorption mass spectroscopy Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D57/00—Separation, other than separation of solids, not fully covered by a single other group or subclass, e.g. B03C
- B01D57/02—Separation, other than separation of solids, not fully covered by a single other group or subclass, e.g. B03C by electrophoresis
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- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
- B01L3/502761—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip specially adapted for handling suspended solids or molecules independently from the bulk fluid flow, e.g. for trapping or sorting beads, for physically stretching molecules
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C5/00—Separating dispersed particles from liquids by electrostatic effect
- B03C5/005—Dielectrophoresis, i.e. dielectric particles migrating towards the region of highest field strength
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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
- B03C5/00—Separating dispersed particles from liquids by electrostatic effect
- B03C5/02—Separators
- B03C5/022—Non-uniform field separators
- B03C5/026—Non-uniform field separators using open-gradient differential dielectric separation, i.e. using electrodes of special shapes for non-uniform field creation, e.g. Fluid Integrated Circuit [FIC]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/06—Fluid handling related problems
- B01L2200/0647—Handling flowable solids, e.g. microscopic beads, cells, particles
- B01L2200/0652—Sorting or classification of particles or molecules
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/06—Fluid handling related problems
- B01L2200/0647—Handling flowable solids, e.g. microscopic beads, cells, particles
- B01L2200/0668—Trapping microscopic beads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/06—Auxiliary integrated devices, integrated components
- B01L2300/0627—Sensor or part of a sensor is integrated
- B01L2300/0645—Electrodes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0861—Configuration of multiple channels and/or chambers in a single devices
- B01L2300/0864—Configuration of multiple channels and/or chambers in a single devices comprising only one inlet and multiple receiving wells, e.g. for separation, splitting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2400/00—Moving or stopping fluids
- B01L2400/04—Moving fluids with specific forces or mechanical means
- B01L2400/0403—Moving fluids with specific forces or mechanical means specific forces
- B01L2400/0415—Moving fluids with specific forces or mechanical means specific forces electrical forces, e.g. electrokinetic
- B01L2400/0424—Dielectrophoretic forces
-
- 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 or biological applications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/14—Optical investigation techniques, e.g. flow cytometry
- G01N15/1456—Optical investigation techniques, e.g. flow cytometry without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals
- G01N15/1459—Optical investigation techniques, e.g. flow cytometry without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals the analysis being performed on a sample stream
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/14—Optical investigation techniques, e.g. flow cytometry
- G01N15/149—Optical investigation techniques, e.g. flow cytometry specially adapted for sorting particles, e.g. by their size or optical properties
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/14—Optical investigation techniques, e.g. flow cytometry
- G01N2015/1477—Multiparameters
- G01N2015/1479—Using diffuse illumination or excitation
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- General Physics & Mathematics (AREA)
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- Microelectronics & Electronic Packaging (AREA)
- Electrochemistry (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Clinical Laboratory Science (AREA)
- Hematology (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Combined Means For Separation Of Solids (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
- Electrostatic Separation (AREA)
Abstract
Description
図1は、本実施の形態に係る粒子分別装置100の、平面図およびA−A´断面図である。具体的に、図1においては、粒子分別装置100に、不要微粒子1および目的微粒子2を含む液体3を流路4の流入口5から流し込んだ状態を示している。典型的には、不要微粒子1は解析対象でない粒子であり、目的微粒子2は解析対象の粒子である。ここで、不要微粒子1および目的微粒子2のうち一方が、本発明に係る第1粒子に対応し、不要微粒子1および目的微粒子2のうち他方が、本発明に係る第2粒子に対応する。
以下、説明の便宜上、先に説明した部材と同じ機能を有する部材については、同じ符号を付記し、その説明を省略する場合がある。
図3は、本実施の形態に係る粒子分別装置102の平面図である。
図4は、本実施の形態に係る粒子分別装置103の、平面図およびA−A´断面図である。
図5は、本実施の形態に係る粒子分別装置104の平面図である。
本発明の態様1に係る粒子分別装置100は、特定の上面に沿って形成された幹線14、を含む流路4と、誘電泳動により、第1粒子と第2粒子(不要微粒子1と目的微粒子2)とを、上記上面と略垂直な方向に分別する分別用電極(偏向用電極対9および19)とを備えている。
2 目的微粒子(第1粒子および第2粒子の他方)
3 液体
4 流路
5 流入口
6 CMOS集積回路チップ(集積回路)
7、8 フォトダイオード
9 偏向用電極対(分別用電極)
10、11 捕捉用電極対(捕捉用電極)
12、13 平行電極
14 幹線
15 支線
16、17 排出口
18 分別システム
19 偏向用電極対(分別用電極)
20 制御部
21、22 平行電極
23、24 フォトダイオード
100〜104 粒子分別装置
Claims (6)
- 特定の上面に沿って形成された幹線、を含む流路と、
誘電泳動により、第1粒子と第2粒子とを、上記上面と略垂直な方向に分別する分別用電極とを備えていることを特徴とする粒子分別装置。 - 上記分別用電極を有している集積回路を備えており、
上記流路は、上記集積回路に対して、上記上面と略垂直な方向に配置されていることを特徴とする請求項1に記載の粒子分別装置。 - 上記流路および上記分別用電極を1組とした分別システムを複数組有しており、
複数組の上記分別システムは、上記上面に略沿って配置されていることを特徴とする請求項1または2に記載の粒子分別装置。 - 上記第1粒子と上記第2粒子とを区別するための光を受光する、複数のフォトダイオードを備えていることを特徴とする請求項1から3のいずれか1項に記載の粒子分別装置。
- 上記複数のフォトダイオードの各々の出力信号を参照して、上記第1粒子および上記第2粒子のいずれか一方が上記分別用電極の上を通過するタイミングを特定し、当該タイミングの特定結果に基づいて、上記分別用電極を駆動させる期間を制御する制御部を備えていることを特徴とする請求項4に記載の粒子分別装置。
- 上記第1粒子および上記第2粒子の一方に対して分別された上記第1粒子および上記第2粒子の他方を、誘電泳動により捕捉する捕捉用電極を備えていることを特徴とする請求項1から5のいずれか1項に記載の粒子分別装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018131700A JP6941840B2 (ja) | 2018-07-11 | 2018-07-11 | 粒子分別装置 |
US16/504,162 US20200016608A1 (en) | 2018-07-11 | 2019-07-05 | Particle sorting apparatus |
CN201910621337.7A CN110711490B (zh) | 2018-07-11 | 2019-07-10 | 粒子分离装置 |
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JP2018131700A JP6941840B2 (ja) | 2018-07-11 | 2018-07-11 | 粒子分別装置 |
Publications (2)
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JP2020008495A true JP2020008495A (ja) | 2020-01-16 |
JP6941840B2 JP6941840B2 (ja) | 2021-09-29 |
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JP2018131700A Active JP6941840B2 (ja) | 2018-07-11 | 2018-07-11 | 粒子分別装置 |
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US (1) | US20200016608A1 (ja) |
JP (1) | JP6941840B2 (ja) |
CN (1) | CN110711490B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023276935A1 (ja) * | 2021-06-30 | 2023-01-05 | 株式会社Afiテクノロジー | 流路チップ、分離システム、及び、分離方法 |
WO2023277088A1 (ja) * | 2021-06-30 | 2023-01-05 | 株式会社Screenホールディングス | 流路チップおよび誘電泳動装置 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003507739A (ja) * | 1999-08-23 | 2003-02-25 | ボード オブ リージェンツ,ザ ユニバーシティ オブ テキサス システム | 従来の誘電泳動およびフィールドフロー分別法を使用する分別法のための方法および装置 |
JP2009014342A (ja) * | 2005-10-19 | 2009-01-22 | Sharp Corp | 誘電泳動チップおよび誘電泳動装置並びに誘電泳動システム |
JP2009513128A (ja) * | 2005-10-26 | 2009-04-02 | シリコン・バイオシステムズ・エス.ピー.エー. | 具体的に生物学的粒子などの粒子の特徴付けおよびカウントのための方法ならびに装置 |
JP2014178119A (ja) * | 2013-03-13 | 2014-09-25 | Sony Corp | 分取装置及び分取方法 |
JP2015522247A (ja) * | 2012-03-27 | 2015-08-06 | ザ リージェンツ オブ ザ ユニバーシティ オブ カリフォルニア | 連続的な全チップ3次元depセルソーター、及び関連する製造方法 |
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US20180143124A1 (en) * | 2010-12-03 | 2018-05-24 | Cellply S.R.L. | Microanalysis of cellular function |
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US3930982A (en) * | 1973-04-06 | 1976-01-06 | The Carborundum Company | Ferroelectric apparatus for dielectrophoresis particle extraction |
US7439014B2 (en) * | 2006-04-18 | 2008-10-21 | Advanced Liquid Logic, Inc. | Droplet-based surface modification and washing |
US10343165B2 (en) * | 2013-09-05 | 2019-07-09 | Bio-Rad Laboratories, Inc. | On-demand particle dispensing system |
US9739751B2 (en) * | 2015-02-05 | 2017-08-22 | International Business Machines Corporation | Devices for trapping and controlling microparticles with radiation |
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2018
- 2018-07-11 JP JP2018131700A patent/JP6941840B2/ja active Active
-
2019
- 2019-07-05 US US16/504,162 patent/US20200016608A1/en not_active Abandoned
- 2019-07-10 CN CN201910621337.7A patent/CN110711490B/zh active Active
Patent Citations (7)
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JP2003507739A (ja) * | 1999-08-23 | 2003-02-25 | ボード オブ リージェンツ,ザ ユニバーシティ オブ テキサス システム | 従来の誘電泳動およびフィールドフロー分別法を使用する分別法のための方法および装置 |
JP2009014342A (ja) * | 2005-10-19 | 2009-01-22 | Sharp Corp | 誘電泳動チップおよび誘電泳動装置並びに誘電泳動システム |
JP2009513128A (ja) * | 2005-10-26 | 2009-04-02 | シリコン・バイオシステムズ・エス.ピー.エー. | 具体的に生物学的粒子などの粒子の特徴付けおよびカウントのための方法ならびに装置 |
US20180143124A1 (en) * | 2010-12-03 | 2018-05-24 | Cellply S.R.L. | Microanalysis of cellular function |
JP2015522247A (ja) * | 2012-03-27 | 2015-08-06 | ザ リージェンツ オブ ザ ユニバーシティ オブ カリフォルニア | 連続的な全チップ3次元depセルソーター、及び関連する製造方法 |
JP2014178119A (ja) * | 2013-03-13 | 2014-09-25 | Sony Corp | 分取装置及び分取方法 |
WO2018078999A1 (ja) * | 2016-10-27 | 2018-05-03 | シャープ株式会社 | 蛍光検査システム、誘電泳動デバイス及び分子検査方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023276935A1 (ja) * | 2021-06-30 | 2023-01-05 | 株式会社Afiテクノロジー | 流路チップ、分離システム、及び、分離方法 |
WO2023277088A1 (ja) * | 2021-06-30 | 2023-01-05 | 株式会社Screenホールディングス | 流路チップおよび誘電泳動装置 |
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Publication number | Publication date |
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JP6941840B2 (ja) | 2021-09-29 |
US20200016608A1 (en) | 2020-01-16 |
CN110711490B (zh) | 2022-09-06 |
CN110711490A (zh) | 2020-01-21 |
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