Using self-driven microswimmers for particle separation

Details Using self-driven microswimmers for particle separation Using self-driven microswimmers for particle separation

2011-09-23

arxiv.org/abs/1109.5099v2

Physics

Condensed Matter

Soft Condensed Matter

6 pages, 5 figures

Scientific paper

Microscopic self-propelled swimmers capable of autonomous navigation through complex environments provide appealing opportunities for localization, pick-up and delivery of micro-and nanoscopic objects. Inspired by motile cells and bacteria, man-made microswimmers have been fabricated, and their motion in patterned surroundings has been experimentally studied. We propose to use self-driven artificial microswimmers for separation of binary mixtures of colloids. We revealed different regimes of separation including one with a velocity inversion. Our finding could be of use for various biological and medical applications.

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