Eventos Anais de eventos
COBEM 2017
24th ABCM International Congress of Mechanical Engineering
On the Crawling Wave Motion of Nematodes under the Presence of a Magnetic Field
Submission Author:
Sara Malvar , DF
Co-Authors:
Francisco Ricardo Cunha, Bruno Carmo, Sara Malvar
Presenter: Sara Malvar
doi://10.26678/ABCM.COBEM2017.COB17-1613
Abstract
The current study experimentally investigated the possible effects of static magnetic fields on the kinematics-wave motion of suspended active particles in a biological fluid. The fluid is an active suspension of Caenorhabditis elegans immersed in a gel like biological structure, moving at low Reynolds number. A permanent magnetic field is applied so the magnetosensory abilities of C. elegans can be analyzed from the dynamical perspective. The relevant physical parameters are analyzed for three different samples including starving and well-fed nematodes. Dynamical system tools, such as FFT allowed us to physically interpret the kinematics and wave motion of nematodes when under the presence of a magnetic field. Furthermore, kinematic quantities such as slip velocity and frequency spectrum helped us to draw conclusions that are different from those drawn in previous studies, where different magnetic fields were applied.
Keywords
active fluids, creeping flow, C. elegans, magnetosensory
