Time delay induces oscillatory coherence in intracellular calcium oscillation system

Wei-Long Duan

Physica A: Statistical Mechanics and its Applications, 2014, vol. 405, issue C, 10-16

Abstract: In view of same time delay τ in active and passive transmission processes with colored noises of intracellular Ca2+, by means of second-order algorithm for stochastic simulation colored noises, the normalized autocorrelation function (NAF) and the characteristic correlation time (CCT) of cytosolic and calcium store’s Ca2+ concentration are studied. For the case of long τ: both NAFs of cytosolic and calcium store’s Ca2+ concentration exhibit periodically synchronous sawtooth wave, which linearly weakens as correlation time of colored noises or autocorrelation time increases. As τ increases, time delay induces oscillatory coherence in intracellular calcium oscillation system.

Keywords: Intracellular calcium oscillation; Time delay; Colored noise; Coherence resonance (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:405:y:2014:i:c:p:10-16

DOI: 10.1016/j.physa.2014.03.019

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