KR102028225B1 - 생체분자 분리 - Google Patents
생체분자 분리 Download PDFInfo
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- KR102028225B1 KR102028225B1 KR1020147022894A KR20147022894A KR102028225B1 KR 102028225 B1 KR102028225 B1 KR 102028225B1 KR 1020147022894 A KR1020147022894 A KR 1020147022894A KR 20147022894 A KR20147022894 A KR 20147022894A KR 102028225 B1 KR102028225 B1 KR 102028225B1
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Abstract
Description
도 2는 양방향 유동 모세관-기반 정제 시스템을 나타내는 도면이다.
도 3은 연속 유동 모세관-기반 정제 시스템에 대한 자성 정화 단계를 나타내는 도면이다.
도 4는 제어기 프로그래밍으로서 구현될 수 있는 방법을 나타낸다.
도 5는 제어기 프로그래밍으로서 구현될 수 있는 방법을 나타낸다.
도 6은 제어기 프로그래밍으로서 구현될 수 있는 방법을 나타낸다.
도 7은 대조 프로토콜과 모세관 정화 프로토콜 간의 비교할 만한 회수율을 보여주는 분광광도법 결과를 나타낸다. 회수/용출된 DNA(액틴-베타 앰플리콘)의 농도가 대조 비드-기반 정제 및 모세관 비드-기반 정제에 대해 플롯팅되었다.
도 8은 대조 정화 및 모세관 정화에 대한 넥스테라(Nextera) 산물 얼룩(smear)을 나타내는 겔 이미지이다.
도 9는 대조 프로토콜 및 모세관 정화 프로토콜로부터 회수된 넥스테라 산물을 보여주는 qPCR 결과이다.
도 10은 모세관에서 비드-기반 정제를 사용하여 회수된 285bp 앰플리콘을 확인한 겔 결과를 나타낸다. 비정제 산물(레인 102, 103)과 정제된 산물(레인 104, 105)을 비교할 때, 프라이머 다이머와 같은 비특이적 산물이 성공적으로 제거되었음이 분명하다(레인 101은 사다리꼴이다).
도 11은 모세관 오염 제거의 qPCR 결과를 나타낸다 - 재사용가능성 예.
도 12는 제어기 프로그래밍으로서 구현될 수 있는 방법을 나타낸다.
도 13은 제어기 프로그래밍으로서 구현될 수 있는 방법을 나타낸다.
도 14는 제어기 프로그래밍으로서 구현될 수 있는, 광학 분석과 결합된 세포 농축의 방법을 나타낸다.
도 15는 제어기 프로그래밍으로서 구현될 수 있는 세포 농축의 방법을 나타낸다.
도 16은 제어기 프로그래밍으로서 구현될 수 있는 상자성 비드의 기능화 방법을 나타낸다.
도 17은 제어기 프로그래밍으로서 구현될 수 있는 사용된 상자성 비드의 세정 및 제거 방법을 나타낸다.
도 18은 제어기 프로그래밍으로서 구현될 수 있는 복합 액체 세포(composite liquid cell) 기술과의 상호작용을 나타낸다.
시험 1 | 시험 2 | 시험 3 | 시험 4 | |
종류 | Cq | Cq | Cq | Cq |
양성 대조군 1 | 4.8 | 5.0 | 4.5 | 5.4 |
양성 대조군 2 | 5.1 | 4.9 | 4.4 | 5.3 |
양성 대조군 3 | 5.0 | 5.1 | 4.4 | 5.2 |
평균 양성 대조군 | 4.96 | 5.0 | 4.43 | 5.3 |
용리액 | 4.7 | 4.7 | 6.0 | 5.3 |
Claims (23)
- 자성 입자 및 캡슐화 액체를 함유하는 시료 액체의 처리 방법으로서,
여기서 시료 액체와 캡슐화 액체는 비혼화성이고,
상기 방법은,
캡슐화 액체를 도관에 유동시키고;
시료 액체가 (a) 캡슐화 액체로 둘러싸이고, (b) 도관 내 지정된 포획 장소에 위치하도록, 시료 액체를 도관에 유동시키고;
포획 장소에 자기장을 인가하여 포획 장소에 자성 입자를 고정시키고;
(a) 용출 액체가 캡슐화 액체로 둘러싸이고, (b) 시료 액체가 포획 장소로부터 멀어지게 유동되고, (c) 용출 액체가 포획 장소로 유동하여 고정된 자성 입자를 둘러싸도록, 용출 액체를 도관에 유동시키는 것을 포함하는, 방법. - 제1항에 있어서,
시료 액체를 도관에 유동시키기 전에 표적 생체분자를 자성 입자에 결합시키는 것을 추가로 포함하고;
여기서 용출 액체의 유동은 용출 액체가 자성 입자를 둘러쌈으로써 자성 입자로부터 표적 생체분자를 유리시키는 것을 추가로 포함하는 방법. - 제1항에 있어서, 용출 액체의 유동 후 자기장을 제거하여 용출 액체에서 자성 입자를 이동시키는(mobilizing) 것을 추가로 포함하는 방법.
- 제3항에 있어서, 이동된 자성 입자를 함유하는 용출 액체를 포획 장소로부터 멀어지게 유동시키는 것을 추가로 포함하는 방법.
- 제2항에 있어서, 인가된 자기장으로 자성 입자를 고정된 상태로 유지하는 동안 유리된 표적 생체분자를 함유하는 용출 액체를 포획 장소로부터 멀어지게 유동시키는 것을 추가로 포함하는 방법.
- 제5항에 있어서,
(a) 제1 정화 유체가 캡슐화 액체로 둘러싸이고, (b) 제1 정화 유체가 고정된 자성 입자를 둘러싸도록, 도관 내 제1 정화 유체를 포획 장소로 유동시키고;
자기장을 제거하여 자성 입자를 제1 정화 유체로 이동시키고;
도관 내 이동된 자성 입자를 함유하는 제1 정화 유체를 포획 장소로부터 멀어지게 유동시키는 것을 추가로 포함하는 방법. - 제6항에 있어서, 도관에 제2 정화 유체를 유동시키는 것을 추가로 포함하는 방법.
- 제5항에 있어서,
(a) 제1 정화 유체가 캡슐화 액체로 둘러싸이고, (b) 제1 정화 유체가 고정된 자성 입자를 둘러싸도록, 도관 내 제1 정화 유체를 포획 장소로 유동시키고;
자기장을 제거하여 자성 입자를 제1 정화 유체로 이동시키고;
자기장을 재인가하여 이동된 자성 입자를 고정시키고;
도관 내 제1 정화 유체를 포획 장소 및 고정된 자성 입자로부터 멀어지게 유동시키는 것을 추가로 포함하는 방법. - 제8항에 있어서, 도관에 제2 정화 유체를 유동시키는 것을 추가로 포함하는 방법.
- 자성 입자를 함유하는 제1 시료 액체, 제2 시료 액체, 및 캡슐화 액체의 처리 방법으로서,
여기서 두 시료 액체는 모두 캡슐화 액체와 비혼화성이며,
상기 방법은
캡슐화 액체를 도관에 유동시키고;
제1 시료 액체가 (a) 캡슐화 액체로 둘러싸이고, (b) 도관 내 지정된 포획 장소에 위치하도록, 제1 시료 액체를 도관에 유동시키고;
포획 장소에 자기장을 인가하여 포획 장소에 자성 입자를 고정시키고;
자성 입자가 포획 장소에 고정된 상태로 유지되는 동안 제1 시료 액체를 포획 장소로부터 멀어지게 유동하도록, 제1 시료 액체를 도관에서 유동시키고;
제2 시료 액체가 (a) 캡슐화 액체로 둘러싸이고, (b) 고정된 자성 입자를 둘러싸도록, 제2 시료 액체를 도관에서 유동시키는 것을 포함하는, 방법. - 제10항에 있어서, 제2 시료 액체가 고정된 자성 입자를 둘러쌀 때 제2 시료 액체가 자성 입자에 결합하는 표적 생체분자를 함유하는 방법.
- 제10항에 있어서, 제2 시료 액체를 유동시킨 후, (a) 용출 액체가 캡슐화 액체로 둘러싸이고, (b) 제2 시료 액체가 포획 장소로부터 멀어지게 유동되고, (c) 용출 액체가 포획 장소로 유동하여 고정된 자성 입자를 둘러싸도록, 도관에 용출 액체를 유동시키는 것을 추가로 포함하는 방법.
- 제12항에 있어서, 용출 액체의 유동이, 용출 액체가 자성 입자를 둘러쌈으로써 자성 입자로부터 표적 생체분자를 유리하는 것을 추가로 포함하는 방법.
- 제12항에 있어서, 용출 액체의 유동 후 자기장을 제거하여 용출 액체에서 자성 입자를 이동시키는 것을 추가로 포함하는 방법.
- 제10항에 있어서,
제2 시료 액체의 유동 후, (a) 제1 정화 액체가 캡슐화 액체로 둘러싸이고, (b) 제2 시료 액체가 포획 장소로부터 멀어지게 유동되고, (c) 제1 정화 액체가 포획 장소로 유동하여 고정된 자성 입자를 둘러싸도록, 도관에 제1 정화 액체를 유동시키고;
제1 정화 액체의 유동 후, (a) 용출 액체가 캡슐화 액체로 둘러싸이고, (b) 제1 정화 액체가 포획 장소로부터 멀어지게 유동되고, (c) 용출 액체가 포획 장소로 유동하여 고정된 자성 입자를 둘러싸도록, 도관에 용출 액체를 유동시키는 것을 추가로 포함하는 방법. - 제10항에 있어서, 제2 시료 액체의 유동 후, 자기장을 제거하여 자성 입자를 제2 시료 액체로 이동시키는 것을 추가로 포함하는 방법.
- 제10항에 있어서, 제2 시료 액체 및 캡슐화 액체가 복합 액체 세포(composite liquid cell)를 구성하는 방법.
- 제11항에 있어서, 포획 장소의 광학 또는 형광 호출(interrogation)로 마커의 존재 여부를 검출하는 것을 추가로 포함하는 방법.
- 제1항에 있어서, 도관이 모세관 튜브인 방법.
- 지정된 포획 장소를 갖는 도관; 상기 도관 내 한 위치에 정압 또는 부압을 인가하거나 외부압을 인가하지 않도록 구성된 펌프; 작동시에 포획 장소에서 자기장을 인가하고 비작동시에 자기장을 실질적으로 인가하지 않도록 구성된 자기장 원; 및 펌프, 자기장 원, 또는 이들 둘 다를 작동할 수 있도록 펌프 및 자기장 원에 작동가능하게 부착된 제어기를 포함하는 액체 처리 시스템으로서,
상기 제어기는
캡슐화 액체가 도관에서 유동하도록 펌프를 작동시키고;
자성 입자를 함유하는 시료 액체가 (a) 캡슐화 액체로 둘러싸이고, (b) 도관 내 포획 장소에 위치하는 방식으로 시료 액체가 도관에서 유동하도록 펌프를 작동시키고;
자성 입자가 포획 장소에서 고정되도록 자기장 원을 작동시키고;
(a) 용출 액체가 캡슐화 액체로 둘러싸이고, (b) 시료 액체가 포획 장소로부터 멀어지게 유동되고, (c) 용출 액체가 포획 장소로 유동하여 자성 입자를 둘러싸는 방식으로 용출 액체가 도관에서 유동하도록 펌프를 작동시키게 프로그램화된,
액체 처리 시스템. - 제20항에 있어서, 도관이 모세관 튜브인 시스템.
- 제20항에 있어서, 캡슐화 액체, 시료 액체 및 용출 액체가 펌프에 의해 도관에 인가된 부압으로 유동되는 시스템.
- 제20항에 있어서, 캡슐화 액체, 시료 액체 및 용출 액체가 펌프에 의해 도관에 인가된 정압으로 유동되는 시스템.
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