Filament Dynamics in Three-Dimensional Reaction-Diffusion Systems

佛罗里达州立大学的Oliver Steinbock获得了化学系理论和计算化学项目的资助，用于研究三维反应扩散系统中的细丝动力学。对Belousov-Zhabotinsky(BZ)反应的一种变体中的三维化学波进行了系统的研究，以验证有趣的涡旋波围绕圆形细丝旋转的理论预测和其他复杂的波动力学。这些新的实验大大增加了对这种重要反应的实验研究数量，这种重要反应被认为是生物系统中可兴奋介质的模型，如心脏和神经组织。斯坦博克的研究小组正在设计新的经验策略，这将允许受控地制造异质三维系统，这种系统可能模仿生物组织中的异质。特别是心脏组织，被认为具有与BZ介质相同的动力学性质，因此在理解心脏性猝死方面预计会产生更广泛的影响，先前的理论研究表明，这与这里要研究的细丝动力学有关。

Oliver Steinbock of Florida State University is suuported by a grant from the Theoretical and Computational Chemistry program wihin the Division of Chemistry for research on filament dynamics in three dimensional reaction-diffusion systems. A systematic study of three dimensional chemical waves in a variant of the Belousov-Zhabotinsky (BZ) reaction is being carried out to test theoretical predictions of interesting scroll waves rotating around circular filaments and other complex wave dynamics. These new experiments are significantly expanding the number of experimental studies of this important reaction thought to be a model for excitable media in biological systems, such as cardiac and neural tissue. Steinbock's research group is devising new experiemental strategies that will allow the controlled fabrication of heterogeneous three dimensional systems that may mimic the heterogeneities found in biological tissue. Cardiac tissue, in particular, is suggested to have the same type of dynamical properties as the BZ medium, so broader impacts are expected in the understanding of sudden cardiac death, shown in prior theoretical studies to be related to the filament dynamics to be studied here.