KR100540143B1 - 미소 유체 제어소자 및 미소 유체의 제어 방법 - Google Patents
미소 유체 제어소자 및 미소 유체의 제어 방법 Download PDFInfo
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- KR100540143B1 KR100540143B1 KR1020030094752A KR20030094752A KR100540143B1 KR 100540143 B1 KR100540143 B1 KR 100540143B1 KR 1020030094752 A KR1020030094752 A KR 1020030094752A KR 20030094752 A KR20030094752 A KR 20030094752A KR 100540143 B1 KR100540143 B1 KR 100540143B1
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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
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- 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
- B01L3/502738—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 characterised by integrated valves
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/30—Micromixers
- B01F33/3035—Micromixers using surface tension to mix, move or hold the fluids
- B01F33/30352—Micromixers using surface tension to mix, move or hold the fluids using roughness of the surfaces
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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
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- 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
- B01L3/502746—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 characterised by the means for controlling flow resistance, e.g. flow controllers, baffles
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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
- B01L2200/0621—Control of the sequence of chambers filled or emptied
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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
- B01L2300/0809—Geometry, shape and general structure rectangular shaped
- B01L2300/0816—Cards, e.g. flat sample carriers usually with flow in two horizontal directions
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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
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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
- B01L2300/0867—Multiple inlets and one sample wells, e.g. mixing, dilution
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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
- 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
- B01L2400/0406—Moving fluids with specific forces or mechanical means specific forces capillary forces
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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
- B01L2400/00—Moving or stopping fluids
- B01L2400/06—Valves, specific forms thereof
- B01L2400/0622—Valves, specific forms thereof distribution valves, valves having multiple inlets and/or outlets, e.g. metering valves, multi-way valves
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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
- B01L2400/00—Moving or stopping fluids
- B01L2400/06—Valves, specific forms thereof
- B01L2400/0688—Valves, specific forms thereof surface tension valves, capillary stop, capillary break
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/206—Flow affected by fluid contact, energy field or coanda effect [e.g., pure fluid device or system]
- Y10T137/2082—Utilizing particular fluid
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/206—Flow affected by fluid contact, energy field or coanda effect [e.g., pure fluid device or system]
- Y10T137/2224—Structure of body of device
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Abstract
Description
Claims (13)
- 외부로부터 유입되는 유체를 저장하는 저장챔버와,상기 저장챔버에 연결된 분기형 연결유로와,상기 분리형 연결유로에 연결된 적어도 하나 이상의 반응챔버들과,상기 반응챔버들에 연결된 연결유로들과,상기 연결유로들을 통해 제공되는 유체를 모세관력을 이용하여 정지시키는 정지밸브와,상기 정지밸브를 통해 제공되는 유체가 합류되는 합류챔버와,상기 합류챔버와 연결된 집수챔버를 포함하며,액적을 투입하여 상기 정지밸브에 정지된 유체의 계면을 붕괴시킴으로써 상기 정지밸브의 기능이 상실되어 상기 유체의 계속적인 유동이 이루어지도록 구성된 것을 특징으로 하는 미소 유체 제어소자.
- 제 1 항에 있어서, 상기 정지밸브는 상기 모세관 정지압력의 증가를 위해 평면 급속확장, 단면 급속확장 또는 소수성 패치 구조로 형성된 것을 특징으로 하는 미소 유체 제어소자.
- 제 2 항에 있어서, 상기 평면 급속확장 구조는 상기 유체의 이동 방향으로 확장각이 증가되도록 상판 및 하판의 채널폭이 급속확장된 형태 또는 돌기가 부가 된 형태로 이루어진 것을 특징으로 하는 특징으로 하는 미소 유체 제어소자.
- 제 2 항에 있어서, 상기 단면 급속확장 구조는 상기 유체의 이동 방향으로 확장각이 증가되도록 상판 및 하판의 채널 높이가 급속확장된 형태로 이루어진 것을 특징으로 하는 특징으로 하는 미소 유체 제어소자.
- 제 2 항에 있어서, 상기 소수성 패치 구조는 상판과 하판의 채널 벽면에 플라즈마 방사 또는 소수성 물질이 도포된 것을 특징으로 하는 미소 유체 제어소자.
- 제 1 항에 있어서, 상기 액적은 상기 합류챔버로 투입되는 것을 특징으로 하는 미소 유체 제어소자.
- 제 1 항에 있어서, 상기 유체의 유동을 지연시키기 위해 상기 연결유로에 연결된 지연밸브를 더 포함하는 것을 특징으로 하는 미소 유체 제어소자.
- 제 7 항에 있어서, 상기 지연밸브는 채널 높이와 표면장력이 작고 점성계수 또는 접촉각도가 큰 직선 구조로 구성된 것을 특징으로 하는 미소 유체 제어소자.
- 제 7 항에 있어서, 상기 지연밸브는 소정의 확장각도를 갖는 파형 구조로 구성된 것을 특징으로 하는 미소 유체 제어소자.
- 제 1 항에 있어서, 상기 합류챔버와 연결되며 상기 액적을 투입하기 위한 저장챔버를 더 포함하는 것을 특징으로 하는 미소 유체 제어소자.
- 제 1 항에 있어서, 상기 집수챔버에 모세관력을 유지하기 위한 공기구멍이 형성된 것을 특징으로 하는 미소 유체 제어소자.
- 제 1 항에 있어서, 상기 반응챔버에 반응, 감지 및 제어를 위한 전극이 구비된 것을 특징으로 하는 미소 유체 제어소자.
- 삭제
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020030094752A KR100540143B1 (ko) | 2003-12-22 | 2003-12-22 | 미소 유체 제어소자 및 미소 유체의 제어 방법 |
US10/898,964 US7412990B2 (en) | 2003-12-22 | 2004-07-27 | Microfluidic control device and method for controlling microfluid |
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KR1020030094752A KR100540143B1 (ko) | 2003-12-22 | 2003-12-22 | 미소 유체 제어소자 및 미소 유체의 제어 방법 |
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KR20050063358A KR20050063358A (ko) | 2005-06-28 |
KR100540143B1 true KR100540143B1 (ko) | 2006-01-10 |
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KR (1) | KR100540143B1 (ko) |
Cited By (2)
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US20220008919A1 (en) * | 2020-07-07 | 2022-01-13 | International Business Machines Corporation | Electrical tracking of a multiphase microfluidic flow |
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2003
- 2003-12-22 KR KR1020030094752A patent/KR100540143B1/ko not_active IP Right Cessation
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Cited By (3)
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KR100941069B1 (ko) | 2008-12-22 | 2010-02-09 | 한국전자통신연구원 | 미세 유체 희석 장치 |
US20220008919A1 (en) * | 2020-07-07 | 2022-01-13 | International Business Machines Corporation | Electrical tracking of a multiphase microfluidic flow |
US11684920B2 (en) * | 2020-07-07 | 2023-06-27 | International Business Machines Corporation | Electrical tracking of a multiphase microfluidic flow |
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US7412990B2 (en) | 2008-08-19 |
KR20050063358A (ko) | 2005-06-28 |
US20050133101A1 (en) | 2005-06-23 |
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