KR100773542B1 - 유체의 pH를 전기화학적으로 조절하기 위한 미세유동장치및 그를 이용하여 pH를 조절하는 방법 - Google Patents
유체의 pH를 전기화학적으로 조절하기 위한 미세유동장치및 그를 이용하여 pH를 조절하는 방법 Download PDFInfo
- Publication number
- KR100773542B1 KR100773542B1 KR1020050065433A KR20050065433A KR100773542B1 KR 100773542 B1 KR100773542 B1 KR 100773542B1 KR 1020050065433 A KR1020050065433 A KR 1020050065433A KR 20050065433 A KR20050065433 A KR 20050065433A KR 100773542 B1 KR100773542 B1 KR 100773542B1
- Authority
- KR
- South Korea
- Prior art keywords
- microfluidic device
- chamber
- cathode
- anode
- electrode
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 40
- 239000012530 fluid Substances 0.000 title claims description 17
- 230000001105 regulatory effect Effects 0.000 title 2
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 15
- 150000002500 ions Chemical class 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 12
- 230000003647 oxidation Effects 0.000 claims description 12
- 238000007254 oxidation reaction Methods 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 11
- 239000012528 membrane Substances 0.000 claims description 11
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 9
- 239000003957 anion exchange resin Substances 0.000 claims description 8
- 239000003729 cation exchange resin Substances 0.000 claims description 8
- 239000003014 ion exchange membrane Substances 0.000 claims description 8
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 7
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 6
- 238000004132 cross linking Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 claims description 5
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical group CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 125000005641 methacryl group Chemical group 0.000 claims description 2
- 125000001174 sulfone group Chemical group 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 239000000615 nonconductor Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 30
- 238000005342 ion exchange Methods 0.000 abstract description 17
- 238000002032 lab-on-a-chip Methods 0.000 abstract description 5
- 239000012212 insulator Substances 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 23
- -1 PCR Chemical class 0.000 description 13
- 230000006037 cell lysis Effects 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- 150000001768 cations Chemical class 0.000 description 5
- 238000010979 pH adjustment Methods 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 239000003011 anion exchange membrane Substances 0.000 description 4
- 150000001450 anions Chemical class 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 238000005341 cation exchange Methods 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 229910001882 dioxygen Inorganic materials 0.000 description 3
- 230000002934 lysing effect Effects 0.000 description 3
- 108020004707 nucleic acids Proteins 0.000 description 3
- 102000039446 nucleic acids Human genes 0.000 description 3
- 150000007523 nucleic acids Chemical class 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000012488 sample solution Substances 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 229920000557 Nafion® Polymers 0.000 description 2
- 241000194019 Streptococcus mutans Species 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000004166 bioassay Methods 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000004205 dimethyl polysiloxane Substances 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 210000002615 epidermis Anatomy 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000009396 hybridization Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 150000003440 styrenes Chemical group 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 108020004465 16S ribosomal RNA Proteins 0.000 description 1
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 description 1
- FWMNVWWHGCHHJJ-SKKKGAJSSA-N 4-amino-1-[(2r)-6-amino-2-[[(2r)-2-[[(2r)-2-[[(2r)-2-amino-3-phenylpropanoyl]amino]-3-phenylpropanoyl]amino]-4-methylpentanoyl]amino]hexanoyl]piperidine-4-carboxylic acid Chemical compound C([C@H](C(=O)N[C@H](CC(C)C)C(=O)N[C@H](CCCCN)C(=O)N1CCC(N)(CC1)C(O)=O)NC(=O)[C@H](N)CC=1C=CC=CC=1)C1=CC=CC=C1 FWMNVWWHGCHHJJ-SKKKGAJSSA-N 0.000 description 1
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 description 1
- 229910021591 Copper(I) chloride Inorganic materials 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- 241000672609 Escherichia coli BL21 Species 0.000 description 1
- KWYHDKDOAIKMQN-UHFFFAOYSA-N N,N,N',N'-tetramethylethylenediamine Chemical compound CN(C)CCN(C)C KWYHDKDOAIKMQN-UHFFFAOYSA-N 0.000 description 1
- 241000589516 Pseudomonas Species 0.000 description 1
- 241000191963 Staphylococcus epidermidis Species 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910001413 alkali metal ion Inorganic materials 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 description 1
- 230000009089 cytolysis Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 1
- 238000000164 protein isolation Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000003753 real-time PCR Methods 0.000 description 1
- 238000003757 reverse transcription PCR Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
Images
Classifications
-
- 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
- B01L3/502715—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 interfacing components, e.g. fluidic, electrical, optical or mechanical interfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0039—Inorganic membrane manufacture
- B01D67/0053—Inorganic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/006—Inorganic membrane manufacture by inducing porosity into non porous precursor membranes by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods
- B01D67/0062—Inorganic membrane manufacture by inducing porosity into non porous precursor membranes by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods by micromachining techniques, e.g. using masking and etching steps, photolithography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/26—Further operations combined with membrane separation processes
- B01D2311/2623—Ion-Exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/42—Ion-exchange membranes
-
- 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
-
- 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
- B01L2300/0681—Filter
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Dispersion Chemistry (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Hematology (AREA)
- Clinical Laboratory Science (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
Description
실시예 | 전극 폭 (mm) | 챔버 사이 간격 (mm) |
1 | 1 | 1 |
2 | 0.5 | 1 |
3 | 1 | 0.5 |
4 | 0.5 | 0.5 |
5 | 1 | 1 |
6 | 0.5 | 1 |
7 | 1 | 0.5 |
8 | 0.5 | 0.5 |
균주 | 실시예 7 | 끓임법 | 퀴아젠 키트 |
E. coli BL21 | 7.3 | 4.9 | 4.0 |
P. Putidi | 4.8 | - | 0.6 |
S. epidermis | 3.9 | 2.8 | 5.8 |
S. mutans | 3.5 | 2.4 | - |
Claims (17)
- a) 이온 교환성 막;b) 일면이 상기 이온 교환성 막으로 구성되고, 상기 일면의 가장자리에 애노드 전극을 구비하는 애노드 챔버; 및c) 일면이 상기 이온 교환성 막으로 구성되고, 상기 일면의 가장자리에 캐소드 전극을 구비하는 캐소드 챔버를 포함하고,상기 애노드 챔버 및 캐소드 챔버의 경계는 부도체에 의하여 구분되는 것을 특징으로 하는 유체의 pH를 전기화학적으로 조절하기 위한 미세유동장치.
- 제 1항에 있어서,상기 이온 교환성 막은 전류를 통과시키나 각 챔버에서 전기 분해에 의하여 발생한 이온 및 가스를 분리하는 특성을 갖는 것을 특징으로 하는 미세유동장치.
- 제 1항에 있어서,상기 이온 교환성 막은 가교 반응과 동시에 성막되는 것을 특징으로 하는 미세유동장치.
- 제 3항에 있어서,상기 이온 교환성 막은 a) 음이온 교환수지 또는 양이온 교환수지로 된 고분자 화합물; b) 비스-아크릴아미드 및 아크릴아미드를 각각 적어도 1종 이상 포함하는 아크릴아미드 혼합물; 및 c) 상기 음이온 교환수지 또는 양이온 교환수지로 된 고분자 화합물과 상기 아크릴아미드 혼합물을 반응시켜 얻은 공중합체인 것을 특징으로 하는 미세유동장치.
- 제 4항에 있어서,상기 음이온 교환수지 또는 양이온 교환수지는 스티렌계, 페놀계, 아민계 또는 메타크릴계인 것을 특징으로 하는 미세유동장치.
- 제 4항에 있어서,상기 음이온 교환수지가 트리메틸아민으로 치환된 스티렌계인 것을 특징으로 하는 미세유동장치.
- 제 4항에 있어서,상기 양이온 교환수지가 술폰기로 치환된 스티렌계인 것을 특징으로 하는 미세유동장치.
- 제 4항에 있어서,a) 내지 c)의 화합물이 서로 상호침투(interpenetration)되어 있는 것을 특 징으로 하는 미세유동장치.
- 제 1항에 있어서,상기 전극은 백금, 금, 구리, 팔라듐 및 티타늄으로 이루어지는 군으로부터 선택되는 것을 특징으로 하는 미세유동장치.
- 제 1항에 있어서,상기 애노드 챔버 및 캐소드 챔버는 각각 애노드 전극 및 캐소드 전극의 마주보는 일면에 가스 배출구를 추가로 포함하는 것을 특징으로 하는 미세유동장치.
- 제 1항에 있어서,상기 애노드 챔버 및 캐소드 챔버는 각각 용액이 유입 및 유출되는 유입구 및 유출구를 추가로 포함하는 것을 특징으로 하는 미세유동장치.
- 제 1항에 있어서,상기 애노드 챔버 및 캐소드 챔버는 각각 용액을 유입 및 유출시키기 위한 펌프를 추가로 포함하는 것을 특징으로 하는 미세유동장치.
- a) 애노드 챔버에 물보다 표준산화전위가 낮은 이온 또는 높은 이온을 포함하는 용액을 유입시키는 단계;b) 캐소드 챔버에 물보다 표준환원전위가 낮은 이온을 포함하는 용액을 유입시키는 단계; 및c) 애노드 전극 및 캐소드 전극을 통하여 전류를 인가하여 상기 애노드 챔버 및 캐소드 챔버에서 전기분해를 일으켜 상기 애노드 챔버 또는 캐소드 챔버에 유입된 용액의 pH를 조절하는 단계;를 포함하는 제 1항 내지 제 12항 중 어느 한 항에 따른 미세유동장치 내의 유체의 pH를 전기화학적으로 조절하는 방법.
- 제 13항에 있어서,상기 물보다 표준산화전위가 낮은 이온은 NO3 -, F-, SO4 2 -, PO4 3 - 및 CO3 2 -로 이루어지는 군으로부터 선택되는 하나 이상인 것을 특징으로 하는 방법.
- 제 13항에 있어서,상기 물보다 표준산화전위가 높은 이온은 Cl-인 것을 특징으로 하는 방법.
- 제 13항에 있어서,상기 물보다 표준환원전위가 낮은 이온은 Na+, K+, Ca2 +, Mg2 + 및 Al3 +로 이루어지는 군으로부터 선택되는 하나 이상인 것을 특징으로 하는 방법.
- 제 13항에 있어서,상기 pH는 인가 전류의 방향, 인가 전류의 세기, 전류 인가 시간, 전극의 폭 또는 챔버간 간격에 의하여 조절되는 것을 특징으로 하는 방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050065433A KR100773542B1 (ko) | 2005-07-19 | 2005-07-19 | 유체의 pH를 전기화학적으로 조절하기 위한 미세유동장치및 그를 이용하여 pH를 조절하는 방법 |
US11/489,289 US7771573B2 (en) | 2005-07-19 | 2006-07-19 | Microfluidic device for electrochemically regulating pH of fluid therein and method of regulating pH of fluid using the microfluidic device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050065433A KR100773542B1 (ko) | 2005-07-19 | 2005-07-19 | 유체의 pH를 전기화학적으로 조절하기 위한 미세유동장치및 그를 이용하여 pH를 조절하는 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070010663A KR20070010663A (ko) | 2007-01-24 |
KR100773542B1 true KR100773542B1 (ko) | 2007-11-07 |
Family
ID=37678062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050065433A KR100773542B1 (ko) | 2005-07-19 | 2005-07-19 | 유체의 pH를 전기화학적으로 조절하기 위한 미세유동장치및 그를 이용하여 pH를 조절하는 방법 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7771573B2 (ko) |
KR (1) | KR100773542B1 (ko) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100657965B1 (ko) | 2005-08-10 | 2006-12-14 | 삼성전자주식회사 | 유체의 pH를 전기화학적으로 조절하기 위한 미세유동장치및 그를 이용하여 pH를 조절하는 방법 |
KR100738084B1 (ko) * | 2005-12-21 | 2007-07-12 | 삼성전자주식회사 | 유체의 pH를 전기화학적으로 조절하기 위한 미세유동장치및 그를 이용하여 pH를 조절하는 방법 |
FR2933989B1 (fr) * | 2008-07-16 | 2013-03-08 | Commissariat Energie Atomique | Procede de purification de microorganismes presents dans des echantillons liquides |
US20110135562A1 (en) * | 2009-11-23 | 2011-06-09 | Terriss Consolidated Industries, Inc. | Two stage process for electrochemically generating hypochlorous acid through closed loop, continuous batch processing of brine |
US8889416B2 (en) * | 2010-01-21 | 2014-11-18 | California Institute Of Technology | Methods and devices for micro-isolation, extraction, and/or analysis of microscale components |
NL1038762C2 (en) | 2011-04-19 | 2012-10-22 | Hein Marnix Erasmus Franken | Voice immersion smartphone application or headset for reduction of mobile annoyance. |
US20130022720A1 (en) * | 2011-05-13 | 2013-01-24 | University Of South Carolina | Methods of Treating a Water Sample or a Substrate to Remove Organic Compounds |
US9920315B2 (en) | 2014-10-10 | 2018-03-20 | California Institute Of Technology | Methods and devices for micro-isolation, extraction, and/or analysis of microscale components in an array |
DE102022206246A1 (de) * | 2022-06-22 | 2023-12-28 | Robert Bosch Gesellschaft mit beschränkter Haftung | Mikrofluidiksystem mit Ionenaustauscher-Mischbettharz |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4152215A (en) | 1976-11-12 | 1979-05-01 | Matsushita Electric Industrial Co., Ltd. | Apparatus for controlling pH of culture solution for a living organism |
US4855056A (en) | 1987-11-06 | 1989-08-08 | Valio Meijerien Keskusosuusliike | Process for the demineralization of whey or a liquid based on whey and for producing an acid mixture and a base mixture useful in food industries |
US20030038032A1 (en) | 2001-08-24 | 2003-02-27 | Reel Richard T. | Manipulation of analytes using electric fields |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7235164B2 (en) * | 2002-10-18 | 2007-06-26 | Eksigent Technologies, Llc | Electrokinetic pump having capacitive electrodes |
US7517440B2 (en) * | 2002-07-17 | 2009-04-14 | Eksigent Technologies Llc | Electrokinetic delivery systems, devices and methods |
KR20050052723A (ko) | 2003-12-01 | 2005-06-07 | 채찬복 | 풍량에 따라 가변 작동되게 한 풍력발전용 풍차의풍량조절방법 및 그 풍력발전용 풍차의 결합구조 |
KR100657965B1 (ko) * | 2005-08-10 | 2006-12-14 | 삼성전자주식회사 | 유체의 pH를 전기화학적으로 조절하기 위한 미세유동장치및 그를 이용하여 pH를 조절하는 방법 |
KR100738084B1 (ko) * | 2005-12-21 | 2007-07-12 | 삼성전자주식회사 | 유체의 pH를 전기화학적으로 조절하기 위한 미세유동장치및 그를 이용하여 pH를 조절하는 방법 |
-
2005
- 2005-07-19 KR KR1020050065433A patent/KR100773542B1/ko active IP Right Grant
-
2006
- 2006-07-19 US US11/489,289 patent/US7771573B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4152215A (en) | 1976-11-12 | 1979-05-01 | Matsushita Electric Industrial Co., Ltd. | Apparatus for controlling pH of culture solution for a living organism |
US4855056A (en) | 1987-11-06 | 1989-08-08 | Valio Meijerien Keskusosuusliike | Process for the demineralization of whey or a liquid based on whey and for producing an acid mixture and a base mixture useful in food industries |
US20030038032A1 (en) | 2001-08-24 | 2003-02-27 | Reel Richard T. | Manipulation of analytes using electric fields |
Non-Patent Citations (1)
Title |
---|
Di Carlo D et al, Lab Chip. 2005 Feb;5(2):171-8 |
Also Published As
Publication number | Publication date |
---|---|
KR20070010663A (ko) | 2007-01-24 |
US20070017810A1 (en) | 2007-01-25 |
US7771573B2 (en) | 2010-08-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100773542B1 (ko) | 유체의 pH를 전기화학적으로 조절하기 위한 미세유동장치및 그를 이용하여 pH를 조절하는 방법 | |
KR100657965B1 (ko) | 유체의 pH를 전기화학적으로 조절하기 위한 미세유동장치및 그를 이용하여 pH를 조절하는 방법 | |
EP1842903B1 (en) | Microfluidic device and method for concentrating a sample containing cells or viruses and lysing the cells or viruses, and method of producing the microfluidic device | |
JP4094634B2 (ja) | 試料溶液のpHを調節する方法 | |
US8293095B2 (en) | Microfluidic device for electrically regulating the pH of a fluid therein and method of regulating the pH of a fluid in a microfluidic device using the same | |
JP2006510903A (ja) | 流動流中を移動する荷電分子を捕捉するための方法および装置 | |
CA2920584A1 (en) | Microchip structure and treatments for electrochemical detection | |
JP4685714B2 (ja) | イオン交換性混合物及びその製造方法 | |
EP1804150B1 (en) | Microfluidic device for electrochemically regulating pH of fluid and method of regulating pH of fluid using the microfluidic device | |
KR100738084B1 (ko) | 유체의 pH를 전기화학적으로 조절하기 위한 미세유동장치및 그를 이용하여 pH를 조절하는 방법 | |
KR20060122196A (ko) | 전기투석을 이용한 염 농도 조절 장치, 그를 포함하는랩온어칩 및 그를 이용한 염 농도 조절 방법 | |
JP2005031070A (ja) | マイクロ流体制御機構およびマイクロチップ | |
US8398843B2 (en) | Microfluidic device for electrochemically regulating the pH of a fluid therein using semiconductor doped with impurity and method of regulating the pH of a fluid in a microfluidic device using the same | |
Chou | Microfabricated Devices for Rapid DNA Diagnostics | |
Dimov et al. | Hybrid integrated PDMS microfluidics with a silica capillary | |
EP1554041B1 (en) | Multi-sided immersion formation of composite structures and method | |
Li | Dominic S. Peterson 2 Contact Information |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20120914 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20130924 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20140922 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20150917 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20160920 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20170919 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20180917 Year of fee payment: 12 |