KR102388753B1 - 유전영동 힘을 이용한 미생물 검출 장치 - Google Patents
유전영동 힘을 이용한 미생물 검출 장치 Download PDFInfo
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Abstract
Description
도 2a는 본 발명의 일 실시예에 따른 미생물과 자성 입자의 합성 방법을 도시한 도면이다.
도 2b는 본 발명의 일 실시예에 따른 다종 미생물 CM 인자 그래프를 도시한 도면이다.
도 3a는 본 발명의 일 실시예에 따른 미생물과 라텍스 입자의 합성 방법을 도시한 도면이다.
도 3b는 본 발명의 일 실시예에 따른 라텍스 입자의 CM 인자 그래프를 도시한 도면이다.
도 4a 내지 4c는 본 발명의 일 실시예에 따른 미생물 입자의 결합을 도시한 도면이다.
도 5는 본 발명의 일 실시예에 따른 농축부를 통한 미생물 입자의 농축을 도시한 도면이다.
도 6a 및 6b 본 발명의 일 실시예에 따른 검출부를 통한 미생물 입자의 검출을 도시한 도면이다.
도 7a는 본 발명의 일 실시예에 따른 미생물의 CM 인자 그래프를 도시한 도면이다.
도 7b는 본 발명의 일 실시예에 따른 전극부의 미생물 포획에 따른 전기적 신호변화 그래프를 도시한 도면이다.
도 8a 및 8b는 본 발명의 일 실시예에 따른 검출부를 통한 다종 미생물 입자의 검출을 도시한 도면이다.
도 9는 본 발명의 일 실시예에 따른 유채 채널내 입자의 거동 및 유전영동 힘을 도시한 도면이다.
110: 농축부
111: 제1 주입부
112: 제2 주입부
113: 농축 채널
114: 제1 배출부
115: 제2 배출부
116: 자성 부재
120: 검출부
121: 주입부
122: 검출 채널
123: 전극부
124: 배출부
401: 미생물 입자
403: 라텍스 입자
405: 자성 입자
Claims (8)
- 라텍스 입자와 결합된 미생물 입자를 포함하는 쉬스 용액(sheath fluid)을 주입하는 주입부,
상기 쉬스 용액에 포함된 상기 라텍스 입자와 결합된 미생물 입자를 이동시키는 검출 채널, 및
교류(alternating current, AC) 신호가 인가되고, 상기 교류 신호의 주파수에 따라 상기 라텍스 입자에 대응하는 유전영동 힘(dielectrophoresis force, DEP force)을 형성시킴으로써 상기 라텍스 입자에 대응하는 CM(Clausius-Mossotti factor) 인자를 나타내는 미생물 입자를 포획하는 전극부를 포함하는 검출부;
를 포함하는,
미생물 검출 장치.
- 삭제
- 제1항에 있어서,
상기 검출부는,
상기 포획된 미생물 입자에 의한 상기 전극부의 전류값을 이용하여 상기 미생물의 종류 및 농도 중 적어도 하나를 산출하는 제어부;
를 더 포함하는,
미생물 검출 장치.
- 제1항에 있어서,
상기 검출 채널의 일단은 상기 주입부와 결합되고,
상기 검출 채널의 타단은 상기 전극부와 결합되며,
상기 검출 채널의 너비(width)는 상기 검출 채널의 일단에서부터 상기 검출 채널의 타단까지 증가하는,
미생물 검출 장치.
- 제1항에 있어서,
상기 미생물 입자는, 상기 라텍스 입자 및 자성 입자와 결합되고, 상기 자성 입자에 작용하는 자력(magnetic force)에 의해 상기 검출 채널의 일 측면을 따라 이동하는,
미생물 검출 장치.
- 제1항에 있어서,
상기 라텍스 입자와 결합된 미생물 입자를 농축하고, 상기 농축된 미생물 입자를 상기 검출부로 전달하는 농축부;
를 더 포함하는,
미생물 검출 장치.
- 제6항에 있어서,
상기 농축부는,
상기 라텍스 입자 및 자성 입자와 결합된 미생물 입자와 샘플 용액을 포함하는 미생물 샘플을 주입하는 제1 주입부;
쉬스 용액(sheath fluid)을 주입하는 제2 주입부;
상기 자성 입자에 의해 상기 미생물 입자를 상기 쉬스 용액으로 이동시키는 농축 채널;
상기 라텍스 입자 및 자성 입자와 결합된 미생물 입자를 포함하는 쉬스 용액을 상기 검출부로 전달하는 제1 배출부; 및
상기 샘플 용액을 배출하는 제2 배출부;
를 포함하는,
미생물 검출 장치.
- 제7항에 있어서,
상기 농축부는,
상기 자성 입자에 자력(magnetic force)을 발생시키는 자석 부재;
를 더 포함하고,
상기 미생물 입자는, 상기 자성 입자에 작용하는 자력에 의해 상기 농축 채널의 일 측면을 따라 이동하는,
미생물 검출 장치.
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KR1020200089776A KR102388753B1 (ko) | 2020-07-20 | 2020-07-20 | 유전영동 힘을 이용한 미생물 검출 장치 |
US17/380,703 US12140562B2 (en) | 2020-07-20 | 2021-07-20 | Microorganism detection apparatus using dielectrophoresis force |
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KR1020200089776A KR102388753B1 (ko) | 2020-07-20 | 2020-07-20 | 유전영동 힘을 이용한 미생물 검출 장치 |
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KR102388753B1 true KR102388753B1 (ko) | 2022-04-20 |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001165906A (ja) * | 1999-09-30 | 2001-06-22 | Wako Pure Chem Ind Ltd | 誘電泳動力を用いた物質の分離方法 |
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