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Article

Separation of microscale chiral objects by shear flow.

Physical review letters - 17 Apr 2009

Marcos, Fu Henry C, Powers Thomas R, Stocker Roman

Abstract excerpt

We show that plane parabolic flow in a microfluidic channel causes nonmotile, helically shaped bacteria to drift perpendicular to the shear plane. Net drift results from the preferential alignment of helices with streamlines, with a direction that depends on the chirality of the helix and the sign of the shear rate. The drift is in good agreement with a model based on resistive force theory, and separation is...

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Identifiers

PMID: 19522552
DOI: 10.1103/PhysRevLett.102.158103

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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