JP5366978B2 - 電気浸透ポンプ - Google Patents
電気浸透ポンプ Download PDFInfo
- Publication number
- JP5366978B2 JP5366978B2 JP2010545554A JP2010545554A JP5366978B2 JP 5366978 B2 JP5366978 B2 JP 5366978B2 JP 2010545554 A JP2010545554 A JP 2010545554A JP 2010545554 A JP2010545554 A JP 2010545554A JP 5366978 B2 JP5366978 B2 JP 5366978B2
- Authority
- JP
- Japan
- Prior art keywords
- polarisable
- pump
- flow path
- membrane
- porous membrane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B19/00—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
- F04B19/006—Micropumps
-
- 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
- B01L3/50273—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 or forces applied to move the fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
- F04B43/04—Pumps having electric drive
- F04B43/043—Micropumps
-
- 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
-
- 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
- B01L2400/0418—Moving fluids with specific forces or mechanical means specific forces electrical forces, e.g. electrokinetic electro-osmotic flow [EOF]
-
- 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
- B01L3/502707—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 manufacture of the container or its components
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Dispersion Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Hematology (AREA)
- Clinical Laboratory Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Electromagnetic Pumps, Or The Like (AREA)
Description
ここで、例示のみを意図して、本発明のいくつかの実施形態を添付の図を参照して説明する。
Claims (17)
- 分極化電気浸透により液体の移動を誘発するためのポンプであって、
流体を移送するための流れ経路を形成する流路と、
前記流路内に少なくとも1つの孔を形成するように前記流路内に設けられる少なくとも1つの分極化可能手段とを備えており、
前記ポンプが、前記流路を横切って設けられているとともに前記少なくとも1つの分極化可能手段の近傍に位置している非伝導性多孔質膜をさらに備えており、該膜が、前記流路の長手方向の軸線に対して少なくとも部分的に平行な方向に沿って延びているとともに前記分極化可能手段によって形成されている前記少なくとも1つの孔よりも小さな孔サイズを具備する孔を有しており、このことにより、使用時、電界が前記流路の長手方向に沿って前記分極化可能手段を横切って生成されると、分極化電気浸透作用の下で、前記流路内の流体が流れるように構成されてなる、ポンプ。 - 前記少なくとも1つの分極化可能手段が、前記孔の壁の少なくとも一部分を前記流路の長手方向の軸線に対して湾曲または傾斜させるような形状に形成されてなる、請求項1に記載のポンプ。
- 前記少なくとも1つの分極化可能手段が、前記流路の長手方向に対してほぼ垂直な表面と、前記流路の長手方向に対してほぼ平行な表面とだけを有してなる、請求項1に記載のポンプ。
- 前記膜が単方向性の均一な孔を有してなる、請求項1乃至3のうちのいずれか1項に記載のポンプ。
- 前記多孔質膜が、前記少なくとも1つの分極化可能手段と直接接触してなる、請求項1乃至4のうちのいずれか1項に記載のポンプ。
- 前記多孔質膜の前記孔が、前記流路の長手方向の軸線に対して平行な方向に沿って測定される場合、前記分極化可能手段の長さより少なくとも1/10小さい、請求項1乃至5のうちのいずれか1項に記載のポンプ。
- 前記分極化可能手段が少なくとも1つの分極化可能粒子を有してなる、請求項1乃至6のうちのいずれか1項に記載のポンプ。
- 前記分極化可能手段が複数の隣接する分極化可能粒子を有してなる、請求項7に記載のポンプ。
- 前記多孔質膜が、前記流路の長手方向に沿って測定される1つの分極化可能粒子のサイズよりも少なくとも1/10小さい孔サイズを有してなる、請求項7または8に記載のポンプ。
- 前記分極化可能手段が多孔質膜を含む、請求項1乃至6のうちのいずれか1項に記載のポンプ。
- 前記分極化可能手段が、前記流路内で、前記流路の長手方向の軸線に対して少なくとも部分的に平行な方向に沿って延びる孔を有している多孔質シール要素と前記多孔質膜との間の位置に固定されてなる、請求項1乃至10のうちのいずれか1項に記載のポンプ。
- 一対の非伝導性多孔質膜を備えており、該一対の非伝導性多孔質膜が前記少なくとも1つの分極化可能手段の各側に1つずつ設けられ、各非伝導性多孔質膜が前記少なくとも1つの分極化可能手段の近傍に位置してなる、請求項1乃至10のうちのいずれか1項に記載のポンプ。
- 前記ポンプが、前記流路の長手方向に沿って前記分極化可能手段の両側に設けられているとともに、使用時、流体を分極化電気浸透の作用の下で流れさせるように前記分極化可能手段を横切って電界を生じるように構成されている電極をさらに備えてなる、請求項1乃至12のうちのいずれか1項に記載のポンプ。
- 前記電極のうちの少なくとも1つが前記多孔質膜と直接接触してなる、請求項13に記載のポンプ。
- 前記流路がハウジング内の貫通孔を含み、前記分極化可能手段が、前記多孔質膜と多孔性シール要素との間の前記貫通孔内に詰め込まれる複数の隣接する分極化可能粒子を含んでなる、請求項1に記載のポンプ。
- マイクロ流体システムであって、
マイクロチャネルと、
前記マイクロチャネル内に設けられている電極であって、これらの電極の間にポンプ部が形成されている電極と、
前記ポンプ部に少なくとも1つの孔を形成するように、前記ポンプ部内に設けられている少なくとも1つの分極化可能手段と、
前記ポンプ部を横切ってかつ前記少なくとも1つの分極化可能手段の近傍に位置する非伝導性多孔質膜とを備えており、
前記膜が、前記ポンプ部の長手方向の軸線に対して少なくとも部分的に平行な方向に沿って延びているととともに前記分極化可能手段によって形成されている前記少なくとも1つの孔よりも小さな孔サイズを具備する孔を有しており、
前記ポンプ部は、使用時、前記電極が前記マイクロチャネル内の流体が分極化電気浸透の作用の下で流れるように前記分極化可能手段を横切って電界を生じさせるように構成されてなる、マイクロ流体システム。 - 分極化電気浸透により液体の移動を誘発するためのポンプであって、
流路を形成する貫通孔を有しているハウジングと、
前記貫通孔の少なくとも一部分をシールする多孔質シール要素と、
前記シール要素間に詰め込まれている複数の隣接する分極化可能粒子とを備えており、
前記分極化可能粒子が前記流路に孔を形成しており、
前記シール要素のうちの1つが、前記流路の長手方向の軸線に対して少なくとも部分的に平行な方向に沿って延びているとともに前記分極化可能粒子によって形成されている孔よりも小さな孔サイズを具備する孔を有している非伝導性多孔質膜を含んでなる、ポンプ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0802450.7A GB0802450D0 (en) | 2008-02-08 | 2008-02-08 | Electro-osmotic pump |
GB0802450.7 | 2008-02-08 | ||
PCT/GB2009/000355 WO2009098486A1 (en) | 2008-02-08 | 2009-02-09 | Electro-osmotic pump |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2011514794A JP2011514794A (ja) | 2011-05-06 |
JP2011514794A5 JP2011514794A5 (ja) | 2012-03-29 |
JP5366978B2 true JP5366978B2 (ja) | 2013-12-11 |
Family
ID=39247417
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010545554A Expired - Fee Related JP5366978B2 (ja) | 2008-02-08 | 2009-02-09 | 電気浸透ポンプ |
Country Status (6)
Country | Link |
---|---|
US (1) | US20110052431A1 (ja) |
EP (1) | EP2242926B1 (ja) |
JP (1) | JP5366978B2 (ja) |
AT (1) | ATE523692T1 (ja) |
GB (1) | GB0802450D0 (ja) |
WO (1) | WO2009098486A1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5473403B2 (ja) * | 2009-05-25 | 2014-04-16 | キヤノン株式会社 | 液体駆動装置 |
AU2011224364A1 (en) | 2010-03-09 | 2012-11-01 | Board Of Regents Of The University Of Texas System | Electro-osmotic pumps, systems, methods, and compositions |
WO2013026829A1 (en) * | 2011-08-19 | 2013-02-28 | Osmotex Ag | Electrokinetic membranes |
US9199201B2 (en) | 2011-12-15 | 2015-12-01 | General Electric Company | Self contained electroosmotic pump and method of making thereof |
US9103331B2 (en) * | 2011-12-15 | 2015-08-11 | General Electric Company | Electro-osmotic pump |
US20140367073A1 (en) * | 2011-12-20 | 2014-12-18 | Osmotex Ag | Liquid transport membrane |
US9399986B2 (en) * | 2012-07-31 | 2016-07-26 | General Electric Company | Devices and systems for isolating biomolecules and associated methods thereof |
KR20150058313A (ko) | 2012-09-21 | 2015-05-28 | 더 보드 오브 리전츠 오브 더 유니버시티 오브 텍사스 시스템 | 란타나이드 산화물 또는 악티나이드 산화물을 포함하는 전극을 구비한 일렉트로-오스모틱 펌프 |
GB201408472D0 (en) | 2014-05-13 | 2014-06-25 | Osmotex Ag | Electroosmotic membrane |
CA3075195A1 (en) | 2016-09-08 | 2018-03-15 | Osmotex Ag | Layered electroosmotic structure |
GB201714645D0 (en) | 2017-09-12 | 2017-10-25 | Osmotex Ag | Method |
KR20230078123A (ko) * | 2021-11-26 | 2023-06-02 | 주식회사 케어메디 | 전기삼투펌프, 전극의 제조방법, 이를 이용한 유체 펌핑 시스템 및 그 시스템의 동작 방법 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE538344A (ja) * | 1954-06-03 | |||
CA662714A (en) * | 1958-11-28 | 1963-05-07 | Union Carbide Corporation | Electro-osmotic cell |
US3923426A (en) * | 1974-08-15 | 1975-12-02 | Alza Corp | Electroosmotic pump and fluid dispenser including same |
US6942018B2 (en) * | 2001-09-28 | 2005-09-13 | The Board Of Trustees Of The Leland Stanford Junior University | Electroosmotic microchannel cooling system |
US7081189B2 (en) * | 2001-12-18 | 2006-07-25 | Massachusetts Institute Of Technology | Microfluidic pumps and mixers driven by induced-charge electro-osmosis |
NO20023398D0 (no) * | 2002-07-15 | 2002-07-15 | Osmotex As | Anordning og fremgangsmåte for transport av v¶ske gjennom materialer |
US7235164B2 (en) * | 2002-10-18 | 2007-06-26 | Eksigent Technologies, Llc | Electrokinetic pump having capacitive electrodes |
DE10321146A1 (de) * | 2003-05-12 | 2004-12-02 | Clean Water Gesellschaft für Wasseraufbereitungstechnik mbH | Verfahren und Vorrichtung zur Wasserreinigung, insbesondere Wasserentsalzung |
JP2006132998A (ja) * | 2004-11-04 | 2006-05-25 | Shimadzu Corp | 電気浸透流ポンプとその製造方法 |
CN101213457A (zh) * | 2005-03-30 | 2008-07-02 | 微流体科技有限公司 | 电渗透泵和液体馈送装置 |
US7540717B2 (en) * | 2005-06-03 | 2009-06-02 | The Hong Kong University Of Science And Technology | Membrane nanopumps based on porous alumina thin films, membranes therefor and a method of fabricating such membranes |
WO2007092253A2 (en) * | 2006-02-02 | 2007-08-16 | Massachusetts Institute Of Technology | Induced-charge electro-osmotic microfluidic devices |
JP4910436B2 (ja) * | 2006-03-15 | 2012-04-04 | カシオ計算機株式会社 | 電気浸透流ポンプシステム |
-
2008
- 2008-02-08 GB GBGB0802450.7A patent/GB0802450D0/en not_active Ceased
-
2009
- 2009-02-09 AT AT09708825T patent/ATE523692T1/de not_active IP Right Cessation
- 2009-02-09 WO PCT/GB2009/000355 patent/WO2009098486A1/en active Application Filing
- 2009-02-09 JP JP2010545554A patent/JP5366978B2/ja not_active Expired - Fee Related
- 2009-02-09 EP EP09708825A patent/EP2242926B1/en not_active Not-in-force
- 2009-02-09 US US12/866,762 patent/US20110052431A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO2009098486A1 (en) | 2009-08-13 |
US20110052431A1 (en) | 2011-03-03 |
GB0802450D0 (en) | 2008-03-19 |
EP2242926B1 (en) | 2011-09-07 |
JP2011514794A (ja) | 2011-05-06 |
EP2242926A1 (en) | 2010-10-27 |
ATE523692T1 (de) | 2011-09-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5366978B2 (ja) | 電気浸透ポンプ | |
Hossan et al. | Electric field driven pumping in microfluidic device | |
Li et al. | Advancement of electroosmotic pump in microflow analysis: A review | |
Kim et al. | Self-sealed vertical polymeric nanoporous-junctions for high-throughput nanofluidic applications | |
Li et al. | Recent advancements in ion concentration polarization | |
Choi et al. | Non-equilibrium electrokinetic micromixer with 3D nanochannel networks | |
Son et al. | Engineered nanofluidic preconcentration devices by ion concentration polarization | |
Kim et al. | Nanofluidic concentration devices for biomolecules utilizing ion concentration polarization: theory, fabrication, and applications | |
Höltzel et al. | Ionic conductance of nanopores in microscale analysis systems: Where microfluidics meets nanofluidics | |
Cho et al. | Overlimiting current through ion concentration polarization layer: hydrodynamic convection effects | |
Xuan et al. | Focused electrophoretic motion and selected electrokinetic dispensing of particles and cells in cross‐microchannels | |
Paustian et al. | Induced charge electroosmosis micropumps using arrays of Janus micropillars | |
Choi et al. | An electrokinetic study on tunable 3D nanochannel networks constructed by spatially controlled nanoparticle assembly | |
Cao et al. | Microchannel plate electro-osmotic pump | |
Alizadeh et al. | Multiscale model for electrokinetic transport in networks of pores, part II: computational algorithms and applications | |
Zhou et al. | Ionic current rectification in asymmetric nanofluidic devices | |
Mishchuk et al. | Microfluidic pump based on the phenomenon of electroosmosis of the second kind | |
Gu et al. | Deionization shock driven by electroconvection in a circular channel | |
KR20190027514A (ko) | 다가전해질이 코팅된 미세채널에서의 액체 유동을 이용한 에너지 전환 방법 및 장치 | |
Yoon et al. | Photoelectrochemical ion concentration polarization: membraneless ion filtration based on light-driven electrochemical reactions | |
Hanasoge et al. | Vortex chain formation in regions of ion concentration polarization | |
Wang et al. | Low-voltage electroosmotic pumping using polyethylene terephthalate track-etched membrane | |
Seo et al. | Adhesive lift method for patterning arbitrary-shaped thin ion-selective films in micro/nanofluidic device | |
Tonomura et al. | High-throughput single-particle detections using a dual-height-channel-integrated pore | |
Koyama et al. | Electro-osmotic diode based on colloidal nano-valves between double membranes |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120208 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20120208 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20130827 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20130910 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5366978 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |