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Cellular oscillator with a small number of particles |
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| Authors: | VP Zhdanov |
| Institution: | 1.Department of Applied Physics, Chalmers University of Technology, 412 96 G?teborg, Sweden and Boreskov Institute of Catalysis, Russian Academy of Sciences, Novosibirsk 630090, Russia,RU |
| Abstract: | To illustrate complex spatio-temporal effects which are possible in cellular reactions with a small number of particles, we present Monte Carlo simulations of the formation of oscillatory spark-like patterns in a model completely stochastic Ca+2 oscillator. Our analysis shows that in order to observe such patterns the minimum average number of Ca+2 ions in the cytosol may be as low as about 50. Received 21 April 2002 / Received in final form 19 June 2002 Published online 14 October 2002 RID="a" ID="a"e-mail: zhdanov@catalysis.nsk.su |
| Keywords: | PACS 05 10 Ln Monte Carlo methods – 05 40 -a Fluctuation phenomena random processes noise and Brownian motion – 05 65 +b Self-organized systems – 87 17 -d Cellular structure and processes |
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