The Influence of Delayed Coupling and Noise on Ca2+ Oscillatory Signal

Author

Ji, Lin ; Zhang, Jia

Author_Institution

Dept. of Chem., Capital Normal Univ., Beijing, China

fYear

2010

fDate

18-20 June 2010

Firstpage

1

Lastpage

4

Abstract

The influence of delayed coupling and noise is investigated in a calcium signaling system. Simulation results prove that noise can optimize the calcium signal by inducing coherence resonance (CR) and decrease its own destructive effect on the signal regularity. The delayed coupling can adjust these noise effects. If the noise is weak, the coupling may strengthen the signal with the change of coupling strength by a CR-like phenomenon. Under strong noise, its adverse effect on signal regularity may also be optimized by increase the coupling strength.

Keywords

bioelectric phenomena; cellular transport; coherence; nonlinear dynamical systems; oscillations; random noise; CR like phenomenon; Ca²⁺ oscillatory signal; calcium signaling system; coherence resonance; coupling strength; delayed coupling effects; noise effects; Biological system modeling; Calcium; Chemistry; Chromium; Communication system signaling; Coupling circuits; Delay effects; Frequency; Resonance; Signal processing;

fLanguage

English

Publisher

ieee

Conference_Titel

Bioinformatics and Biomedical Engineering (iCBBE), 2010 4th International Conference on

Conference_Location

Chengdu

ISSN

2151-7614

Print_ISBN

978-1-4244-4712-1

Electronic_ISBN

2151-7614

Type

conf

DOI

10.1109/ICBBE.2010.5516541

Filename

5516541