Issue 23, 2016

Motion in microfluidic ratchets

Abstract

The ubiquitous random motion of mesoscopic active particles, such as cells, can be “rectified” or directed by embedding the particles in systems containing local and periodic asymmetric cues. Incorporated on lab-on-a-chip devices, these microratchet-like structures can be used to self-propel fluids, transport particles, and direct cell motion in the absence of external power sources. In this Focus article we discuss recent advances in the use of ratchet-like geometries in microfluidics which could open new avenues in biomedicine for applications in diagnosis, cancer biology, and bioengineering.

Graphical abstract: Motion in microfluidic ratchets

Article information

Article type
Focus
First published
19 okt 2016

Lab Chip, 2016,16, 4477-4481

Motion in microfluidic ratchets

D. Caballero, J. Katuri, J. Samitier and S. Sánchez, Lab Chip, 2016, 16, 4477 DOI: 10.1039/C6LC90107G

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