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Dielectrophoretic choking phenomenon of a deformable particle in a converging-diverging microchannel
Zhou, T.; Ge, J.; Shi, L. Y.; Fan, J. Q.; Liu, Z. Y.; Joo, S. W.
2018
发表期刊Electrophoresis
ISSN0173-0835
卷号39期号:4页码:590-596
摘要The translational motion of small particles in an electrokinetic fluid flow through a constriction can be enhanced by an increase of the applied electric potential. Beyond a critical potential, however, the negative dielectrophoresis (DEP) can overpower other forces to prevent particles that are even smaller than the constriction from passing through the constriction. This DEP choking phenomenon was studied previously for rigid particles. Here, the DEP choking phenomenon is revisited for deformable particles, which are ubiquitous in many biomedical applications. Particle deformability is measured by the particle shear modulus, and the choking conditions are reported through a parametric study that includes the channel geometry, external electric potential, and particle zeta potential. The study was carried out using a numerical model based on an arbitrary Lagrangian-Eulerican (ALE) finite-element method.
关键词DEP choking Dielectrophoresis (DEP) Electrokinetic flow Microfluidics electrophoretic motion cylindrical particle simulations Biochemistry & Molecular Biology Chemistry
DOI10.1002/elps.201700250
收录类别SCI
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文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/60635
专题中国科学院长春光学精密机械与物理研究所
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Zhou, T.,Ge, J.,Shi, L. Y.,et al. Dielectrophoretic choking phenomenon of a deformable particle in a converging-diverging microchannel[J]. Electrophoresis,2018,39(4):590-596.
APA Zhou, T.,Ge, J.,Shi, L. Y.,Fan, J. Q.,Liu, Z. Y.,&Joo, S. W..(2018).Dielectrophoretic choking phenomenon of a deformable particle in a converging-diverging microchannel.Electrophoresis,39(4),590-596.
MLA Zhou, T.,et al."Dielectrophoretic choking phenomenon of a deformable particle in a converging-diverging microchannel".Electrophoresis 39.4(2018):590-596.
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