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Berlin 2018 – scientific programme

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DY: Fachverband Dynamik und Statistische Physik

DY 15: Nonlinear Dynamics, Synchronization, Chaos I

DY 15.4: Talk

Monday, March 12, 2018, 16:15–16:30, BH-N 128

Synchronization of Viscoelastically Coupled Excitable Oscillators with Excitation-Contraction Coupling — •Florian Spreckelsen1,2, Ulrich Parlitz1,2,4, and Stefan Luther1,2,3,4,51Max Planck Institute for Dynamics and Self-Organization, Göttingen, Germany — 2Institute for Nonlinear Dynamics, Georg-August-Universität Göttingen, Germany — 3University Medical Center Göttingen (UMG), Institute of Pharmacology and Toxicology, Göttingen, Germany — 4DZHK (German Center for Cardiovascular Research), Partner Site Göttingen, Germany — 5Department of Physics and Department of Bioengineering, Northeastern University, Boston, USA

Viscoelastically coupled excitable oscillators are used to model individually beating spatially separated cardiomyocytes surrounded by an extra-cellular matrix (ECM) of collagen. This corresponds to the early states in the development of engineered heart muscle (EHM). Synchronization of the beating of the cardiomyocytes is necessary for functioning of EHM. We investigate how mechanical coupling via the ECM can synchronize two excitable oscillators with excitation contraction coupling and electromechanical feedback and how this synchronization depends on the rheological properties of the ECM.

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