Document Detail


Directional locking and the role of irreversible interactions in deterministic hydrodynamics separations in microfluidic devices.
MedLine Citation:
PMID:  19792691     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
We performed macroscopic experiments on the motion of a sphere through an array of obstacles that highlight the deterministic nature of the lateral displacements that lead to particle separation in microfluidic systems. The motion of the spheres is irreversible and displays directional locking. The locking directions can be predicted with a single parameter that distinguishes between reversible and irreversible particle-obstacle collisions. These results stress the need to incorporate irreversible interactions to predict the movement of a non-Brownian sphere passing through a periodic array.
Authors:
Manuel Balvin; Eunkyung Sohn; Tara Iracki; German Drazer; Joelle Frechette
Publication Detail:
Type:  Journal Article     Date:  2009-08-11
Journal Detail:
Title:  Physical review letters     Volume:  103     ISSN:  0031-9007     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2009 Aug 
Date Detail:
Created Date:  2009-10-01     Completed Date:  2009-10-13     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  078301     Citation Subset:  IM    
Affiliation:
Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland 21218, USA.
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MeSH Terms
Descriptor/Qualifier:
Microfluidic Analytical Techniques / instrumentation,  methods*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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