KR101776187B1 - 미세유체칩 및 그 제조방법 - Google Patents
미세유체칩 및 그 제조방법 Download PDFInfo
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- KR101776187B1 KR101776187B1 KR1020160153960A KR20160153960A KR101776187B1 KR 101776187 B1 KR101776187 B1 KR 101776187B1 KR 1020160153960 A KR1020160153960 A KR 1020160153960A KR 20160153960 A KR20160153960 A KR 20160153960A KR 101776187 B1 KR101776187 B1 KR 101776187B1
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Abstract
Description
도 2는 본 발명의 실시예에 따른 미세유체칩의 결합 사시도이다.
도 3은 도 2의 A-A' 라인에 따른 단면도이다.
도 4는 본 발명의 실시예에 따른 미세유체칩의 제조방법을 도시한 공정도이다.
도 5는 본 발명의 실시예에 따른 미세유체칩의 제조방법에 의해 제조된 미세유체칩의 사진이다.
도 6은 본 발명의 실시예에 따른 미세유체칩의 기저면의 강성에 따른 세포 생장을 나타내는 이미지이다.
10: 투명 기판 20: 본체
21: 그루브 23: 주입구
25: 배출구 27: 미세유체채널
30: 하이드로젤 박막 40: 세포접합물질
Claims (14)
- 투명 기판;
일면에 그루브(groove)를 구비하는 판 형상으로, 상기 일면이 상기 투명 기판 상에 배치되어 미세유체채널을 형성하고, 상기 미세유체채널과 소통하도록 주입구 및 배출구가 두께 방향으로 관통된 본체; 및
상기 미세유체채널 내에 배치되는 상기 투명 기판의 외면에, 세포가 착상하고 생장하는 기저면을 형성하여 강성을 조절하는 하이드로젤 박막;
을 포함하고,
상기 하이드로젤 박막 위에서 상기 세포가 2차원 세포배양구조로 배양되며,
상기 하이드로젤 박막은 외부에서 상기 세포의 거동을 관찰할 수 있도록, 광투광성을 가지고,
상기 강성은 상기 하이드로젤 박막의 소재 물질과 크로스링커(crosslinker)의 배합비율에 따라 조절되는 미세유체칩.
- 청구항 1에 있어서,
상기 투명 기판은 유리이고,
상기 본체는 실리콘 계열의 물질로 이루어지는 미세유체칩.
- 청구항 1에 있어서,
상기 하이드로젤 박막의 소재 물질은
폴리아크릴아마이드(polyacrylamide, PAM), 폴리아크릴산(pllyacrylic acid), 폴리하이드록시에틸 메타크릴레이드(hydroxyethyl methacrylate), 폴리에틸렌글리콜(polyethylene glycol), 및 히알루론산(hyaluronic acid) 중 적어도 어느 하나 이상으로 이루어지는 미세유체칩.
- 청구항 1에 있어서,
상기 하이드로젤 박막의 두께는 100 ~ 1000 ㎛인 미세유체칩.
- 청구항 1에 있어서,
상기 하이드로젤 박막 상에 코팅되고, 상기 세포와 접합하는 세포접합물질;
을 더 포함하는 미세유체칩.
- 청구항 5에 있어서,
상기 세포접합물질은 세포외 기질(extracellular matrix) 단백질이고,
상기 세포는 단일층으로 착상되어 배양되는 미세유체칩.
- 청구항 1에 있어서,
상기 미세유체채널은
높이가 폭의 0.1배 이하이고,
길이가 상기 폭의 10배 이상인 미세유체칩.
- (A) 일면에 하이드로젤 박막이 형성된 투명 기판, 및 일면에 그루브가 구비되고 상기 그루브와 소통되도록 주입구 및 배출구가 두께 방향으로 관통된 판 형상의 본체를 각각 준비하는 단계;
(B) 상기 투명 기판의 일면 중 상기 하이드로젤 박막이 배치되지 않은 외면, 및 상기 본체의 일면에 산소 플라즈마 처리하는 단계; 및
(C) 상기 투명 기판의 일면과 상기 본체의 일면을 결합하는 단계;
를 포함하고,
상기 (A) 단계의 하이드로젤 박막이 형성된 투명 기판을 준비하는 단계는
(A′-1) 상기 투명 기판의 일면을 표면 처리하는 단계;
(A′-2) 상기 투명 기판의 일면에 적어도 2개 이상의 마스킹 테이프를 이격하여 나란하게 부착하고, 나란한 상기 마스킹 테이프 사이에 하이드로젤 용액을 도포하는 단계;
(A′-3) 도포된 상기 하이드로젤 용액에 커버글라스(cover glass)를 올려 상기 하이드로젤 박막을 교화(gelation)하는 단계; 및
(A′-4) 상기 하이드로젤 박막 상에, 건조를 방지하는 보호필름을 배치하는 단계;
를 포함하는 미세유체칩 제조방법.
- 삭제
- 청구항 8에 있어서,
상기 (A) 단계의 본체를 준비하는 단계는
(A″-1) 상기 본체의 그루브에 대응하는 돌출부가 형성된 마스터 몰드를 제조하는 단계;
(A″-2) 상기 돌출부 상에, 소정의 높이를 갖는 적어도 2개 이상의 기둥을 배치하는 단계;
(A″-3) 상기 기둥이 잠기도록, 실리콘 계열의 물질을 상기 마스터 몰드에 주입하는 단계; 및
(A″-4) 상기 실리콘 계열의 물질을 경화하고, 상기 기둥을 제거하는 단계;
를 포함하는 미세유체칩 제조방법.
- 청구항 8에 있어서,
상기 (C) 단계 이후에, 상기 하이드로젤 박막에 세포와 접합하는 세포접합물질을 코팅하는 단계;
를 더 포함하는 미세유체칩 제조방법.
- 청구항 11에 있어서,
상기 세포접합물질은 세포외 기질(extracellular matrix)이고,
상기 세포는 단일층으로 착상되어 배양되는 미세유체칩 제조방법.
- 청구항 8에 있어서,
상기 하이드로젤 박막은
폴리아크릴아마이드(polyacrylamide, PAM), 폴리아크릴산(pllyacrylic acid), 폴리하이드록시에틸 메타크릴레이드(hydroxyethyl methacrylate), 폴리에틸렌글리콜(polyethylene glycol), 및 히알루론산(hyaluronic acid) 중 적어도 어느 하나 이상으로 이루어지는 미세유체칩 제조방법.
- 청구항 8에 있어서,
상기 하이드로젤 박막의 두께는 100 ~ 1000 ㎛인 미세유체칩 제조방법.
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