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Dynamics of a bacterium moving by chemotaxis in its own secretion
If you have a question about this talk, please contact Dr Mark Miller.
The brownian dynamics of a single bacterium coupled by chemotaxis to a diffusing concentration field which is secreted by the particle itself is studied by computer simulations in spatial dimensions d = 1, 2, 3. Both cases of a chemoattractant and a chemorepellent are discussed. For a chemoattractant, we find a transient dynamical arrest until the particle diffuses for long times. For a chemorepellant, there is a transient ballistic motion in all dimensions and a long-time diffusion. These results are interpreted with the help of appropriate arguments and theoretical analysis.
This talk is part of the Theoretical Chemistry Informal Seminars series.
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Other listsUniversity of Pennsylvania Seminar Engineering Department Mechanics Colloquia Research Seminars The International Year of Statistics 2013 - Series of Public Lectures
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