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Appl. Environ. Microbiol. doi:10.1128/AEM.01044-07
Copyright (c) 2007, American Society for Microbiology and/or the Listed Authors/Institutions. All Rights Reserved.

Protozoa Migration in Bent Microfluidic Channels

Department of Civil and Environmental Engineering, Vanderbilt University, Vanderbilt Institute for Integrative Biosystems Research and Education and the Departments of Biomedical Engineering, Molecular Physiology & Biophysics, and Physics & Astronomy, and Institute of Marine and Coastal Sciences, Rutgers, The State University of New Jersey

^* To whom correspondence should be addressed. Email: david.kosson{at}vanderbilt.edu.

	Abstract

Microfluidic devices permit direct observation of microbial behaviors in defined micro-structured settings. Here, swimming speed and dispersal were quantified for individual marine ciliates in straight and bent microfluidic channels. Dispersal rate and swimming speed increased with channel width, decreased with protozoa size, and was significantly impacted by channel turning angle.