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Cilia Induced Bending of Paramecium in Microchannels

  • Saikat Jana
  • Junil Kim
  • Sung Yang
  • Sunghwan JungEmail author
Conference paper
Part of the The IMA Volumes in Mathematics and its Applications book series (IMA, volume 155)

Abstract

Most living organisms in nature have a preferential gait and direction along which they locomote, presumably derived from the evolutionary/mechanical advantage provided by the gaits. However under the influence of constrained geometries, organisms often exhibit peculiar locomotory characteristics. A Paramecium in its natural state preferentially swims in a helical path in the anterior direction. When introduced into channels with dimensions smaller than its length, a posterior swimming Paramecium bends its flexible body, executes a flip, and swims in the anterior direction again. We study the deformation of the body shape caused by forces generated by beating cilia, which are assumed to be acting at the tip of the organism. This method may lead to a non-invasive method of measuring the forces exerted during bending by self propelling organisms having high aspect ratio.

Primary 1234, 5678, 9101112

Key words

Low Reynolds numbers swimming cell bending 

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Copyright information

© Springer Science+Business Media New York 2012

Authors and Affiliations

  • Saikat Jana
    • 1
  • Junil Kim
    • 2
  • Sung Yang
    • 3
  • Sunghwan Jung
    • 1
    Email author
  1. 1.Department of Engineering Science and MechanicsVirginia TechBlacksburgUSA
  2. 2.Department of Medical System EngineeringGwangju Institute of Science and TechnologyBuk-gu, GwangjuRepublic of Korea
  3. 3.School of Mechatronics, Department of Medical System Engineering, Department of Nanobio Materials and ElectronicsGwangju Institute of Science and TechnologyBuk-gu, GwangjuRepublic of Korea

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