KR102506675B1 - IoT 기반 휴대용 dPCR 시스템 - Google Patents
IoT 기반 휴대용 dPCR 시스템 Download PDFInfo
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Abstract
Description
도 2는 본 발명의 IoT 기반 휴대용 dPCR 시스템의 구성을 나타낸 모식도이다.
도 3은 본 발명의 일 실시예에 따른 IoT 기반 휴대용 dPCR 시스템에 포함될 수 있는 자가 분획능을 가진 마이크로 유체 칩의 세부 구성을 나타낸 것이다.
도 4는 본 발명의 일 실시예에 따른 마이크로 유체 칩을 제작하기 위한 도면을 나타낸 것이다.
도 5는 본 발명의 일 실시예에 따른 마이크로 유체 칩에 포함되는 미세구조체와 미세채널의 구조를 나타낸 것이다.
도 6은 본 발명의 IoT 기반 휴대용 dPCR 시스템에 포함되어 DNA 증폭과정을 수행하기 위한 히팅부의 세부 구성을 나타낸 것이다.
도 8은 본 발명의 IoT 기반 휴대용 dPCR 시스템에 포함되고 다중 dPCR 진단을 위한 촬영부의 세부 구성을 나타낸 것이다.
도 9는 본 발명의 IoT 기반 휴대용 dPCR 시스템에 포함되는 분석부가 형광 이미지를 분석하는 방법을 나타낸 것이다.
도 10은 본 발명의 IoT 기반 휴대용 dPCR 시스템을 이용하여 촬영한 다중 dPCR 형광 이미지를 나타낸 것이다.
도 11은 본 발명의 일 실험예에 따라 IoT 기반 휴대용 dPCR 시스템을 이용한 인플루엔자 바이러스 (Influenza virus) 분석 결과를 나타낸 그래프이다.
도 12는 본 발명의 일 실험예에 따라 IoT 기반 휴대용 dPCR 시스템을 이용한 뎅기 바이러스 (Dengue virus) 분석 결과를 나타낸 그래프이다.
도 13은 본 발명의 일 실험예에 따라 IoT 기반 휴대용 dPCR 시스템을 이용한 인간 코로나바이러스 (Human coronavirus) 분석 결과를 나타낸 그래프이다.
도 14는 본 발명의 IoT 기반 휴대용 dPCR 시스템을 이용하여 다중 dPCR 시스템의 특이성 검증 결과를 나타낸 것이다.
도 15는 본 발명의 IoT 기반 휴대용 dPCR 시스템을 이용한 타겟 바이러스 예측 모델을 나타낸 것이다.
22: 미세 금속선
Ha: 가열영역 Hb: 비가열영역
30: 촬영부 40: 분석부
110: 제1유체 주입부 115: 소수성 유체 채널
120: 제2유체 주입부 150: 유체 진입 채널
155: 절곡부 200: 채널부
250: 미세채널부 251: 미세구조체
251a: 챔버 251b: 챔버진입부
252: 미세채널 252a: 분기 채널부
252b: 진행 채널부 253: 만곡부
260: 제1채널부 270: 제2채널부
300: 배출부
Claims (17)
- 핵산 증폭을 위한 마이크로 유체 칩;
마이크로 유체 칩의 일 측에 위치하여 마이크로 유체 칩에 위치하는 핵산이 증폭되도록 가열하는 히팅부;
마이크로 유체 칩의 타 측에 위치하여 증폭된 핵산을 검출하기 위해 마이크로 유체 칩의 형광 이미지를 촬영하는 촬영부;
형광 이미지를 분석하는 분석부; 및
모바일 어플리케이션을 포함하고,
상기 히팅부는
일면에 금 박막 레이어 구조체를 포함한 제1PCB 기판;
금 박막 레이어 구조체의 가열영역을 플라즈모닉 가열시키기 위한 광원; 및
광원의 제어를 위한 제2PCB 기판을 포함하고,
상기 금 박막 레이어 구조체의 가열영역은 구불구불한 패턴을 갖는 미세 금속선을 포함하고,
상기 분석부는 미세 금속선의 저항 정보를 측정함으로써 시료의 온도를 산출하고,
상기 모바일 어플리케이션은 블루투스(bluetooth) 무선통신을 통해 히팅부, 촬영부 및 분석부와 연동하여 시스템을 원격으로 구동시키고, 와이파이 네트워킹(wifi networking) 기능을 통해 클라우드 서버(Cloud server)와 연동하는 것인, IoT 기반 휴대용 dPCR 시스템. - 제1항에 있어서, 상기 마이크로 유체 칩은,
유체가 주입되는 주입구를 포함하는 유체 주입부;
미세구조체 및 미세채널부를 포함하고, 유체가 이동 가능한 유체 진입 채널을 통해 상기 유체 주입부와 연통하는 채널부; 및
상기 채널부와 연통하고, 유체가 배출되는 배출구를 포함하는 배출부;를 포함하는 것인, IoT 기반 휴대용 dPCR 시스템. - 제2항에 있어서, 상기 유체 주입부는,
소수성 유체 (hydrophobic fluid)가 주입되는 제1주입구를 포함하는 제1유체 주입부, 및
수성 유체 (hydrophilic fluid)가 주입되는 제2주입구를 포함하는 제2유체 주입부를 포함하고,
상기 제1유체 주입부와 상기 제2유체 주입부는 소수성 유체 채널을 통해 연통하는 것인, IoT 기반 휴대용 dPCR 시스템. - 제3항에 있어서, 상기 소수성 유체 채널의 일측은 제1유체 주입부와 연통하고, 타측은 하나 이상의 갈래로 분지되어 제2유체 주입부와 연통하는 것인, IoT 기반 휴대용 dPCR 시스템.
- 제2항에 있어서, 상기 미세채널부는 일측에 미세구조체를 포함하는 분기 채널부, 및 진행 채널부를 포함하고,
상기 분기 채널부와 진행 채널부는 교번적으로 배치되어 서로 연통하는 것인, IoT 기반 휴대용 dPCR 시스템. - 제5항에 있어서, 상기 미세구조체는 챔버진입부 및 챔버를 포함하고,
상기 챔버는 챔버진입부를 통해 분기 채널부와 연통하는 것인, IoT 기반 휴대용 dPCR 시스템. - 제6항에 있어서, 상기 챔버진입부는 만곡부를 포함하고,
상기 챔버진입부의 너비는 상기 챔버의 직경보다 작은 것인, IoT 기반 휴대용 dPCR 시스템. - 제7항에 있어서, 상기 만곡부의 형상은 오목한 만곡선을 포함하는 반원이고, 상기 반원의 곡률 반경 (radius of curvature)은 25 내지 150 um인 것인, IoT 기반 휴대용 dPCR 시스템.
- 제1항에 있어서, 상기 마이크로 유체 칩의 재질은 폴리디메틸실록산 (polydimethylsiloxane, PDMS), 폴리메틸 메타크릴레이트 (polymethyl methacrylate; PMMA) 및 폴리카보네이트(polycarbonates; PC)로 이루어진 군으로부터 선택되는 1종인 것인, IoT 기반 휴대용 dPCR 시스템.
- 제1항에 있어서, 상기 히팅부는 일면에 금속층과 미세 금속선이 위치하는 제1PCB 기판, 및 금속층과 미세 금속선을 플라즈모닉 가열시키는 제2PCB 기판을 포함하는 것인, IoT 기반 휴대용 dPCR 시스템.
- 제1항에 있어서, 상기 촬영부는 카메라 모듈, 촬영용 발광다이오드(LED) 광원, 여기 필터 및 출사 필터를 포함하는 것인, IoT 기반 휴대용 dPCR 시스템.
- 제11항에 있어서, 상기 촬영용 발광다이오드(LED) 광원으로부터 방출되는 광이, 카메라 모듈부로 조사되도록 마이크로 유체 칩으로부터 반사된 반사광과 이루는 각도는 40 내지 60도인 것인, IoT 기반 휴대용 dPCR 시스템.
- 제11항에 있어서, 상기 여기 필터(excitation filter)는 500 내지 540 nm, 565 내지 605 nm, 및 670 내지 710 nm의 제1형광 채널을 포함하는 것인, IoT 기반 휴대용 dPCR 시스템.
- 제11항에 있어서, 상기 출사 필터(emission filter)는 460 내지 500 nm, 530 내지 570 nm, 및 610 내지 650 nm의 제2형광 채널을 포함하는 것인, IoT 기반 휴대용 dPCR 시스템.
- 제1항에 있어서, 상기 분석부는 라즈베리파이(Raspberry Pi)를 기반으로 하는 것인, IoT 기반 휴대용 dPCR 시스템.
- 삭제
- 일면에 금 박막 레이어 구조체를 포함한 제1PCB 기판;
금 박막 레이어 구조체의 가열영역을 플라즈모닉 가열시키기 위한 광원; 및
광원의 제어를 위한 제2PCB 기판;을 포함하고,
상기 금 박막 레이어 구조체의 가열영역은 구불구불한 패턴을 갖는 미세 금속선을 포함하며,
상기 광원은 상기 제1PCB 기판을 향하지 않는 방향으로 광을 조사하여 상기 제1PCB 기판의 금 박막 레이어 구조체를 플라즈모닉 가열하는 것인, dPCR용 히팅 모듈.
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| JP2012080870A (ja) * | 2010-09-16 | 2012-04-26 | Sony Corp | 核酸定量方法及び核酸増幅反応用マイクロチップ |
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