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Δευτέρα 19 Σεπτεμβρίου 2016

Finite element model to study two dimensional unsteady state calcium distribution in cardiac myocytes

Publication date: September 2016
Source:Alexandria Journal of Medicine, Volume 52, Issue 3
Author(s): Kunal Pathak, Neeru Adlakha
The calcium signaling plays a crucial role in expansion and contraction of cardiac myocytes. This calcium signaling is achieved by calcium diffusion, buffering mechanisms and influx in cardiac myocytes. The various calcium distribution patterns required for achieving calcium signaling in myocytes are still not well understood. In this paper an attempt has been made to develop a model of calcium distribution in myocytes incorporating diffusion of calcium, point source and excess buffer approximation. The model has been developed for a two dimensional unsteady state case. Appropriate boundary conditions and initial condition have been framed. The finite element method has been employed to obtain the solution. The numerical results have been used to study the effect of buffers and source amplitude on calcium distribution in myocytes.



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