期刊
SMALL
卷 16, 期 29, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.202000171
关键词
cell manipulation; cell properties; cell separation; lab-on-a-chip; microfluidics
类别
资金
- Ministry of Science, Research and Technology of Iran [970402]
- Biotechnology Development Council of the Islamic Republic of Iran
Cell separation is a key step in many biomedical research areas including biotechnology, cancer research, regenerative medicine, and drug discovery. While conventional cell sorting approaches have led to high-efficiency sorting by exploiting the cell's specific properties, microfluidics has shown great promise in cell separation by exploiting different physical principles and using different properties of the cells. In particular, label-free cell separation techniques are highly recommended to minimize cell damage and avoid costly and labor-intensive steps of labeling molecular signatures of cells. In general, microfluidic-based cell sorting approaches can separate cells using intrinsic (e.g., fluid dynamic forces) versus extrinsic external forces (e.g., magnetic, electric field, etc.) and by using different properties of cells including size, density, deformability, shape, as well as electrical, magnetic, and compressibility/acoustic properties to select target cells from a heterogeneous cell population. In this work, principles and applications of the most commonly used label-free microfluidic-based cell separation methods are described. In particular, applications of microfluidic methods for the separation of circulating tumor cells, blood cells, immune cells, stem cells, and other biological cells are summarized. Computational approaches complementing such microfluidic methods are also explained. Finally, challenges and perspectives to further develop microfluidic-based cell separation methods are discussed.
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