KR100480338B1 - 극소량의 유체제어를 위한 미세 유체제어소자 - Google Patents
극소량의 유체제어를 위한 미세 유체제어소자 Download PDFInfo
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- KR100480338B1 KR100480338B1 KR10-2002-0046794A KR20020046794A KR100480338B1 KR 100480338 B1 KR100480338 B1 KR 100480338B1 KR 20020046794 A KR20020046794 A KR 20020046794A KR 100480338 B1 KR100480338 B1 KR 100480338B1
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Abstract
Description
Claims (20)
- 삭제
- 감지전극, 전극배선과 전극패드가 형성된 감지기판; 및다중 유체주입구, 챔버와 유로가 형성된 유로기판이 결합되어 제작되고,상기 다중 유체주입구 중 하나의 유체주입구로 유입된 제1 유체는 모세관 힘에 의한 자연유동을 일으키며, 상기 다중 유체주입구 중 다른 하나의 유체주입구로 유입된 제2 유체는 외부의 펌프에 의한 강제유동을 일으키고, 상기 제1 유체는 모세관 힘에 의해 소정의 경로를 따라 지정된 위치까지 흐르게 되며, 상기 제2 유체는 지정된 위치에 머무르고 있는 상기 제1 유체를 강제적으로 밀어냄으로써 유체의 교환이 이루어지도록 하는 것을 특징으로 하는 유체제어소자.
- 제 2 항에 있어서, 상기 감지전극 위에 생화학물질을 미리 형성해 놓고 상기 제1 유체를 시료로서 공급하여, 상기 생화학물질과 상기 제1 유체의 반응을 전기화학적인 감지방법으로 감지하는 것을 특징으로 하는 유체제어소자.
- 제 2 항에 있어서, 상기 유로기판의 다중 유체주입구, 챔버나 유로에 대응되는 홈을 상기 감지기판에 부가적으로 형성한 것을 특징으로 하는 유체제어소자.
- 제 2 항에 있어서, 상기 감지기판과 유로기판으로서 소수성이나 친수성과 같은 이종의 물질을 선택하는 것을 특징으로 하는 유체제어소자.
- 제 2 항에 있어서, 상기 감지기판과 유로기판으로서 소수성이나 친수성의 정도가 다른 물질을 선택하는 것을 특징으로 하는 유체제어소자.
- 제 5 항 또는 제 6 항에 있어서, 상기 감지기판이나 유로기판의 표면에 부분적으로 소수성 또는 친수성 정도가 다른 물질을 형성한 것을 특징으로 하는 유체제어소자.
- 제 7 항에 있어서, 상기 소수성 또는 친수성 정도가 다른 물질은 증착, 코팅, 스크린 프린팅, 또는 부가적인 층을 부착하거나 낮은 턱 모양으로 덧붙여진 것을 특징으로 하는 유체제어소자.
- 제 2 항에 있어서, 상기 유로는 메인 유로와 그 측면에 부가적인 유로로 구성되고, 상기 부가적인 유로에 마이크로 히터를 더 장착한 것을 특징으로 하는 유체제어소자.
- 제 2 항에 있어서, 상기 유로기판과 감지기판은 접합물질에 의해 접합되거나, 클립형태의 부가구조물을 이용하여 강제적으로 체결되거나, 상기 유로기판과 감지기판 중 하나에 양각 모양의 홈을 만들고 나머지 하나에 음각 모양의 홈을 만들어 끼우는 방법으로 결합된 것을 특징으로 하는 유체제어소자.
- 감지전극, 전극배선과 전극패드가 형성된 감지기판; 및일측에 제1 유체주입구, 상기 제1 유체주입구 주변의 제1 유체주입구 챔버, 격리턱 및 감지 챔버가 형성되어 있고, 타측에 제2 유체주입구, 상기 제2 유체주입구 주변의 제2 유체주입구 챔버, 상기 제2 유체주입구 챔버와 상기 감지 챔버를 연결하는 유로 및 상기 감지 챔버에 연결된 유체 폐기 챔버가 형성되어 있는 유로기판이 결합되어 제작되고,여기서 상기 제1 유체주입구로 유입된 시료는 모세관 힘에 의하여 상기 제1 유체주입구 챔버와 반응 챔버를 거쳐 상기 감지 챔버까지 유입되고 상기 감지 챔버의 양쪽 끝에 위치한 급격한 출구확대에 이르러서 멈추게 되며, 상기 제2 유체주입구로 유입된 완충용액은 펌프와 같은 외부 장치에 의해 상기 유로와 감지 챔버를 거쳐 흐르고 난 후 최종적으로 상기 유체 폐기 챔버에 저장되는 것을 특징으로 하는 유체제어소자.
- 제 11 항에 있어서, 상기 격리턱과 감지 챔버 사이에 반응 챔버와 유동지연부가 더 형성되어 있는 것을 특징으로 하는 유체제어소자.
- 제 11 항 또는 제 12 항에 있어서, 상기 유로기판의 다중 유체주입구, 챔버나 유로에 대응되는 홈을 상기 감지기판에 부가적으로 형성한 것을 특징으로 하는 유체제어소자.
- 제 11 항 또는 제 12 항에 있어서, 상기 감지기판과 유로기판으로서 소수성이나 친수성과 같은 이종의 물질을 선택하는 것을 특징으로 하는 유체제어소자.
- 제 14 항에 있어서, 상기 감지기판이나 유로기판의 표면에 부분적으로 소수성 또는 친수성 정도가 다른 물질을 형성한 것을 특징으로 하는 유체제어소자.
- 제 11 항 또는 제 12 항에 있어서, 상기 감지기판과 유로기판으로서 소수성이나 친수성의 정도가 다른 물질을 선택하는 것을 특징으로 하는 유체제어소자.
- 제 16 항에 있어서, 상기 감지기판이나 유로기판의 표면에 부분적으로 소수성 또는 친수성 정도가 다른 물질을 형성한 것을 특징으로 하는 유체제어소자.
- 제 15 항 또는 제 17 항에 있어서, 상기 소수성 또는 친수성 정도가 다른 물질은 증착, 코팅, 스크린 프린팅, 또는 부가적인 층을 부착하거나 낮은 턱 모양으로 덧붙여진 것을 특징으로 하는 유체제어소자.
- 제 11 항 또는 제 12 항에 있어서, 상기 유로는 메인 유로와 그 측면에 부가적인 유로로 구성되고, 상기 부가적인 유로에 마이크로 히터를 더 장착한 것을 특징으로 하는 유체제어소자.
- 제 11 항 또는 제 12 항에 있어서, 상기 유로기판과 감지기판은 접합물질에 의해 접합되거나, 클립형태의 부가구조물을 이용하여 강제적으로 체결되거나, 상기 유로기판과 감지기판 중 하나에 양각 모양의 홈을 만들고 나머지 하나에 음각 모양의 홈을 만들어 끼우는 방법으로 결합된 것을 특징으로 하는 유체제어소자.
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US6001229A (en) * | 1994-08-01 | 1999-12-14 | Lockheed Martin Energy Systems, Inc. | Apparatus and method for performing microfluidic manipulations for chemical analysis |
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US6156270A (en) | 1992-05-21 | 2000-12-05 | Biosite Diagnostics, Inc. | Diagnostic devices and apparatus for the controlled movement of reagents without membranes |
US6113855A (en) | 1996-11-15 | 2000-09-05 | Biosite Diagnostics, Inc. | Devices comprising multiple capillarity inducing surfaces |
US6803019B1 (en) * | 1997-10-15 | 2004-10-12 | Aclara Biosciences, Inc. | Laminate microstructure device and method for making same |
US6875619B2 (en) * | 1999-11-12 | 2005-04-05 | Motorola, Inc. | Microfluidic devices comprising biochannels |
US6468761B2 (en) * | 2000-01-07 | 2002-10-22 | Caliper Technologies, Corp. | Microfluidic in-line labeling method for continuous-flow protease inhibition analysis |
JP4927287B2 (ja) * | 2000-03-31 | 2012-05-09 | マイクロニックス、インコーポレーテッド | タンパク質の結晶化のマイクロ流動体装置 |
US6632400B1 (en) * | 2000-06-22 | 2003-10-14 | Agilent Technologies, Inc. | Integrated microfluidic and electronic components |
US7004184B2 (en) * | 2000-07-24 | 2006-02-28 | The Reagents Of The University Of Michigan | Compositions and methods for liquid metering in microchannels |
US7216660B2 (en) * | 2000-11-02 | 2007-05-15 | Princeton University | Method and device for controlling liquid flow on the surface of a microfluidic chip |
US6679279B1 (en) * | 2002-07-10 | 2004-01-20 | Motorola, Inc. | Fluidic valve having a bi-phase valve element |
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2002
- 2002-08-08 KR KR10-2002-0046794A patent/KR100480338B1/ko not_active Expired - Fee Related
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2003
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US4756884A (en) * | 1985-08-05 | 1988-07-12 | Biotrack, Inc. | Capillary flow device |
US6001229A (en) * | 1994-08-01 | 1999-12-14 | Lockheed Martin Energy Systems, Inc. | Apparatus and method for performing microfluidic manipulations for chemical analysis |
JPH08114539A (ja) * | 1994-08-25 | 1996-05-07 | Nihon Medi Physics Co Ltd | 体液成分分析器具および分析方法 |
US5681529A (en) * | 1994-08-25 | 1997-10-28 | Nihon Medi-Physics Co., Ltd. | Biological fluid analyzing device |
US5992820A (en) * | 1997-11-19 | 1999-11-30 | Sarnoff Corporation | Flow control in microfluidics devices by controlled bubble formation |
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US7238324B2 (en) | 2007-07-03 |
KR20040013731A (ko) | 2004-02-14 |
US20040028566A1 (en) | 2004-02-12 |
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