Deformability-based red blood cell separation in deterministic lateral displacement devices-A simulation study.

作者: Timm Krüger , David Holmes , Peter V. Coveney

DOI: 10.1063/1.4897913

关键词: Lateral extensionLateral displacementChemistryRed blood cellBiomedical engineeringMicrofluidicsCellular biophysicsBiophysics

摘要: We show, via three-dimensional immersed-boundary-finite-element-lattice-Boltzmann simulations, that deformability-based red blood cell (RBC) separation in deterministic lateral displacement (DLD) devices is possible. This due to the deformability-dependent extension of RBCs and enables us predict a priori which will be displaced given DLD geometry. Several diseases affect deformability human cells. Malaria-infected RBCs, for example, tend become stiffer than their healthy counterparts. It therefore desirable design microfluidic can detect based on cells' fingerprint, rather preparing samples using expensive time-consuming biochemical preparation steps. Our findings should helpful development new methods sorting cells particles by deformability.

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