Bulletin of the American Physical Society
APS March Meeting 2024
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session N00: Poster Session II (11:30am-2:30pm CST)
11:30 AM,
Wednesday, March 6, 2024
Room: Hall BC
Sponsoring
Unit:
APS/SPS
Abstract: N00.00286 : Localized Fluctuations of Microscopic Active Particles in Living Cells*
Presenter:
Johanna Harding
(Lehigh University)
Authors:
Johanna Harding
(Lehigh University)
Simin Xia
(Lehigh University)
Chong Shen
(Lehigh Univ)
H Daniel Ou-Yang
(Lehigh Univ)
We assume that the motion will follow the Langevin equation model, which uses the forces we assume are present. We simulated the motion of a 2D active particle in water, both with and without the quadratic potential confinement that mimics the elastic components of the biological environment. The simulation without the quadratic potential allows us to measure the pure active motion. With the quadratic potential we can see the behavior of the active matter when under confinement, the way they are in biological environments.
Using our simulation we can verify our assumption and then use that to begin analyzing our data. Our next steps are to do an experiment for a particle in a viscoelastic medium and then create a simulation to match our experimental data, based on the simulation we made for water.
*This project is supported in part by NSF-2153599 and Lehigh University Emulsion Polymers Institute.
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