Scattering of biflagellate micro-swimmers from surfaces
Published version
Peer-reviewed
Repository URI
Repository DOI
Loading...
Type
Article
Change log
Authors
Lushi, E
Kantsler, V
Goldstein, RE
Abstract
We use a three-bead-spring model to investigate the dynamics of bi-flagellate micro-swimmers near a surface. While the primary dynamics and scattering are governed by geometric-dependent direct contact, the fluid flows generated by the swimmer locomotion are important in orienting it toward or away from the surface. Flagellar noise and in particular cell spinning about the main axis help a surface-trapped swimmer escape, whereas the time a swimmer spends at the surface depends on the incident angle. The dynamics results from a nuanced interplay of direct collisions, hydrodynamics, noise and the swimmer geometry. We show that to correctly capture the dynamics of a bi-flagellate swimmer, minimal models need to resolve the shape asymmetry.
Description
Keywords
Chlamydomonas reinhardtii, Elasticity, Flagella, Hydrodynamics, Image Processing, Computer-Assisted, Lab-On-A-Chip Devices, Microscopy, Models, Biological, Movement, Surface Properties, Time Factors
Journal Title
Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
Conference Name
Journal ISSN
2470-0045
2470-0053
2470-0053
Volume Title
96
Publisher
American Physics Society
Publisher DOI
Sponsorship
Engineering and Physical Sciences Research Council (EP/M017982/1)
This work was supported in part by an Established Career Fellowship from the Engineering and Physical Sciences Research Council (REG).