Regensburg 2019 – scientific programme
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DY: Fachverband Dynamik und Statistische Physik
DY 53: Poster Quantum Systems
DY 53.11: Poster
Thursday, April 4, 2019, 15:00–18:00, Poster B2
Modelling cells as pressurized elastic shells — •Behzad Golshaei1, Renata Garces1, Samaneh Rezvani1, Octavio E. Albarran1, and Christoph F. Schmidt1,2 — 1Drittes Physikalisches Institut - Biophysik, Fakultät für Physik, Georg-August-Universität Göttingen, 37077 Göttingen — 2Department of Physics, Duke University, Durham, NC 27708, USA
Animal cells and bacteria are enveloped and sealed by lipid membranes and mechanically protected by cortical polymer networks. Cells typically maintain a small (eukaryotic cells) or large (bacteria) positive osmotic pressure against their environment. Volume and shape regulation also impact the mechanical properties of cells. The mechanical properties of cells can be probed by exerting external force and measuring cell response. To better understand micromechanical optical trapping experiments with suspended rounded cells, and AFM experiments on bacteria, we employed finite element simulations and modelled cells as pressurized elastic shells.