Signal power amplification of intracellular calcium dynamics with non-Gaussian noises and time delay

Wei-Long Duan and Chunhua Zeng

Applied Mathematics and Computation, 2017, vol. 292, issue C, 400-405

Abstract: The effect of non-Gaussian noises on stochastic resonance of intracellular Ca2+ concentration in intracellular calcium oscillation(ICO) system with time delay is investigated by means of second-order stochastic Runge–Kutta type algorithm. By simulating the signal power amplification(SPA), the results indicate: there are respectively continuous values and a value of the parameter p(which is used to control the degree of the departure from the non-Gaussian noise and Gaussian noise.) to enhance reverse resonance in the behavior of SPA vs. p in cytosol and calcium store, namely continuous reverse resonance occurs in cytosol and reverse resonance occurs in calcium store. Moreover, SPA monotonically decreases as non-Gaussian noises strengthen, and SPA fast decays to constant as correlation time of non-Gaussian noises increases.

Keywords: Intracellular calcium oscillation; Reverse resonance; Non-Gaussian noise; Time delay (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (6)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:292:y:2017:i:c:p:400-405

DOI: 10.1016/j.amc.2016.08.001

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