Deformability-Based Isolation of Circulating Tumor Cells in Spiral Microchannels

The isolation of circulating tumor cells (CTCs) and their analysis are crucial for the preliminary identification of invasive cancer. One of the effective properties that can be utilized to isolate CTCs is their deformability. In this paper, inertial-based spiral microchannels with various numbers o...

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Bibliographic Details
Published inMicromachines (Basel) Vol. 14; no. 11; p. 2111
Main Authors Mohammadali, Roya, Bayareh, Morteza
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 01.11.2023
Subjects
Blood
Breast cancer
cell separation
CTC
deformability
Deformation
Finite element method
Formability
Influence
Metastasis
Microchannels
microfluidics
Prostate
Reynolds number
Tumors
Viscosity
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Summary:The isolation of circulating tumor cells (CTCs) and their analysis are crucial for the preliminary identification of invasive cancer. One of the effective properties that can be utilized to isolate CTCs is their deformability. In this paper, inertial-based spiral microchannels with various numbers of loops are employed to sort deformable CTCs using the finite element method (FEM) and an arbitrary Lagrangian–Eulerian (ALE) approach. The influences of cell deformability, cell size, number of loops, and channel depth on the hydrodynamic behavior of CTCs are discussed. The results demonstrate that the trajectory of cells is affected by the above factors when passing through the spiral channel. This approach can be utilized for sorting and isolating label-free deformable biological cells at large scales in clinical systems.
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ISSN:2072-666X
2072-666X
DOI:10.3390/mi14112111