KR20200056782A - 미세 유동 장치 및 이를 이용한 표적 세포 분리 방법 - Google Patents
미세 유동 장치 및 이를 이용한 표적 세포 분리 방법 Download PDFInfo
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Abstract
Description
도 2는 본 발명의 일 실시예에 따른 미세 유동 장치를 이용하여 표적 세포인 제 1 물질을 분리시키는 표적 세포 분리 방법의 순서도이다.
도 3의 (a) 내지 (c)는 시료 내에서 표적 세포를 분리하는 과정을 나타낸 도면으로서, 3(a)는 제 1 물질과, 자성 비드가 결합된 제 2 물질을 포함하는 시료가 분리 챔버 내부에 위치된 상태를 나타낸 도면이고, 3(b)는 제 1 물질과, 자성 비드가 결합된 제 2 물질이 분리 챔버 내부에서 분리된 상태를 나타낸 도면이고, 3(c)는 제 1 물질이 저장 챔버 내부로 이동된 상태를 나타낸 도면이다.
도 4의 (a) 및 (b)는 도 3의 (a) 및 (b)의 단면도이다.
도 5는 자석을 이용한 경우와 자석을 이용하지 않은 경우 표적 세포의 분리 후 저장 챔버 내부에 존재하는 자성 비드가 결합된 제 2 물질의 수를 비교한 그래프이다.
| Magnet O | Magnet X | |
| 10sec | 602.7 | 8331 |
| 30sec | 465 | 4695 |
| 1min | 338 | 2497.7 |
| 2min | - | 1215.3 |
101 몸체
110 혼합 챔버
120 분리 챔버
130 저장 챔버
140 자성 부재
Claims (23)
- 생물학적 시료로부터 상기 시료 내의 제 1 물질을 분리하기 위한 미세 유동 장치로서,
회전축을 중심으로 회전가능한 몸체;
상기 몸체에 구비되되, 상기 시료 및 상기 시료 내의 제 2 물질과 결합되는 자성 비드가 혼합되는 혼합 챔버;
상기 몸체에 구비되되, 상기 혼합 챔버와 연결되며 상기 자성 비드가 결합된 제 2 물질 및 상기 제 1 물질이 혼합된 혼합 시료가 분리되는 분리 챔버 및
상기 분리 챔버 외부 일측에 배치되는 자성 부재를 포함하며,
상기 분리 챔버 내에서 상기 자성 비드가 결합된 제 2 물질 및 상기 제 1 물질이 원심력 및 자력에 의하여 분리되도록 형성되는 미세 유동 장치. - 제 1 항에 있어서,
상기 혼합 챔버 및 상기 분리 챔버를 연결하는 제 1 채널에 설치되는 제 1 밸브를 더 포함하는 미세 유동 장치. - 제 2 항에 있어서,
상기 분리 챔버는 상기 혼합 챔버보다 상기 회전축으로부터 먼 위치에 위치되는 미세 유동 장치. - 제 1항에 있어서,
상기 분리 챔버는,
제 1 공간;
상기 제 1 공간보다 상기 회전축으로부터 먼 제 2 공간 및 상기 제 1 공간 및
상기 제 2 공간 사이에 형성된 격벽을 포함하되,
상기 격벽은 상기 제 1 공간을 향하는 면이 상측 방향으로 경사진 경사면을 구비하도록 형성되는 미세 유동 장치. - 제 4 항에 있어서,
상기 제 1 물질은 상기 제 1 공간에 위치되고, 상기 원심력 및 자력에 의하여 상기 제 1 물질과 분리된 상기 자성 비드가 결합된 제 2 물질은 상기 제 2 공간에 위치되는 미세 유동 장치. - 제 4 항에 있어서,
상기 격벽은 상부면이 상기 경사면의 상부 모서리로부터 상기 제 2 공간 방향으로 연장된 평면으로 형성되는 미세 유동 장치. - 제 4 항에 있어서,
상기 분리 챔버와 연결되며, 상기 자성 비드가 결합된 제 2 물질과 분리된 제 1 물질을 저장하기 위한 저장 챔버를 더 포함하는 미세 유동 장치. - 제 7항에 있어서,
상기 저장 챔버와 상기 분리 챔버 사이를 연결하는 제 2 채널에 설치되는 제 2 밸브를 더 포함하는 미세 유동 장치. - 제 8항에 있어서,
상기 제 2 채널은 상기 격벽의 상부 공간과 연결되도록 형성되는 미세 유동 장치. - 제 9 항에 있어서,
상기 자성 부재는 상기 분리챔버의 반경 방향 외측에 상기 분리 챔버와 동일 높이로 배치되는 미세 유동 장치. - 제 10항에 있어서,
상기 자성 부재는 영구 자석 또는 전자석으로 형성되는 미세 유동 장치. - 제 1 항에 있어서,
상기 제 1 물질은 신경 세포인, 미세 유동 장치. - 제 1 항에 있어서,
상기 자성 비드는 상기 제 1 물질 및 상기 제 2 물질보다 높은 밀도를 갖는, 미세 유동 장치. - 제 1 항에 있어서,
상기 자성 비드는 상기 제 2 물질과 1:50 ~1:100의 비율로 결합될 수 있는, 미세 유동 장치. - 제 1 항에 있어서,
상기 분리 챔버 내에 상기 제 1 물질보다는 밀도가 높고 상기 자성 비드 보다 밀도가 낮은 밀도 구배 물질이 구비되는, 미세 유동 장치. - 제 1 항에 있어서,
상기 원심력과 상기 자기력은 상기 회전축의 반경 방향 외측으로 작용하는, 미세 유동 장치. - 생물학적 시료 내에서 제 1 물질을 분리하는 방법에 있어서,
제 1 물질을 포함하는 시료를 제공하는 단계;
상기 시료 내에서 제 1 물질과 상이한 제 2 물질에 자성 비드를 결합시키는 단계;
상기 제 1 물질 및 상기 자성 비드가 결합된 제 2 물질에 원심력 및 자력을 가하여 상기 제 1 물질 및 상기 자성 비드가 결합된 제 2 물질을 분리시키는 단계를 포함하는 물질 분리 방법. - 제 17항에 있어서,
상기 자성 비드가 결합된 제 2 물질과 분리된 상기 제 1 물질을 별도 공간으로 이동하여 저장하는 단계를 더 포함하는, 물질 분리 방법. - 제 17 항에 있어서,
상기 제 2 물질에 자성 비드를 결합시키는 단계 및 상기 제 1 물질 및 상기 자성 비드가 결합된 제 2 물질을 분리시키는 단계는 서로 다른 공간에서 이루어지는, 물질 분리 방법. - 제 17항에 있어서,
상기 시료 내에서 제 1 물질과 상이한 제 2 물질에 자성 비드를 결합시키는 단계는 상기 시료에 상기 자성 비드를 혼합시키는 단계를 포함하는, 물질 분리 방법. - 제 17항에 있어서,
상기 제 1 물질 및 상기 자성 비드가 결합된 제 2 물질을 분리시키는 단계에서 상기 제 2 물질에 가해지는 자력은 상기 제 2 물질의 회전 중심으로부터 멀어지는 방향을 향하도록 형성되는, 물질 분리 방법. - 제 17 항에 있어서,
상기 자성 비드가 결합된 상기 제 2 물질은 상기 제 1 물질보다 무거운, 물질 분리 방법. - 제 17항에 있어서,
상기 제 1 물질은 신경 세포인, 물질 분리 방법.
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| KR1020180140887A KR102155587B1 (ko) | 2018-11-15 | 2018-11-15 | 미세 유동 장치 및 이를 이용한 표적 세포 분리 방법 |
| EP19885185.9A EP3881934A4 (en) | 2018-11-15 | 2019-11-15 | Microfluidic device and method for separating target cells by using same |
| CN201980075510.6A CN113039019A (zh) | 2018-11-15 | 2019-11-15 | 微流控装置和用其分离靶细胞的方法 |
| PCT/KR2019/015677 WO2020101438A1 (ko) | 2018-11-15 | 2019-11-15 | 미세 유동 장치 및 이를 이용한 표적 세포 분리 방법 |
| US16/827,448 US11772094B2 (en) | 2018-11-15 | 2020-03-23 | Microfluidic apparatus and method for separating target cells using the same |
| KR1020200113611A KR102285226B1 (ko) | 2018-11-15 | 2020-09-07 | 미세 유동 장치 및 이를 이용한 표적 세포 분리 방법 |
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| US (1) | US11772094B2 (ko) |
| EP (1) | EP3881934A4 (ko) |
| KR (1) | KR102155587B1 (ko) |
| CN (1) | CN113039019A (ko) |
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| JP7643742B2 (ja) * | 2020-12-01 | 2025-03-11 | チンフン ワン | 遠心反応装置及び遠心反応方法 |
| EP4301378A4 (en) * | 2021-03-03 | 2025-02-12 | Georgia Tech Research Corporation | CELL CULTURE GROWTH DEVICE AND METHOD FOR BOTTOM-SIDE ATTACHMENT TO A SURFACE BY CELL SEEDING |
| JP7769129B2 (ja) * | 2022-01-07 | 2025-11-12 | シーティーセルズ、インコーポレイテッド | レーザダイオードを用いた標的物質分離制御装置 |
| KR20240073374A (ko) * | 2022-11-18 | 2024-05-27 | 주식회사 씨티셀즈 | 원심력을 이용한 희소세포 분리장치 |
| CN116037229B (zh) * | 2022-12-15 | 2026-01-23 | 浙江大学杭州国际科创中心 | 一种离心式微流控芯片、制备方法及病原体检测的方法 |
| WO2025014995A1 (en) * | 2023-07-10 | 2025-01-16 | SPEX Certiprep | Drug screening systems, apparatuses, and methods |
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- 2019-11-15 CN CN201980075510.6A patent/CN113039019A/zh active Pending
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Also Published As
| Publication number | Publication date |
|---|---|
| US20200246797A1 (en) | 2020-08-06 |
| EP3881934A1 (en) | 2021-09-22 |
| KR102155587B1 (ko) | 2020-09-14 |
| WO2020101438A1 (ko) | 2020-05-22 |
| CN113039019A (zh) | 2021-06-25 |
| EP3881934A4 (en) | 2022-07-27 |
| US11772094B2 (en) | 2023-10-03 |
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