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System size resonance associated with Canard phenomenon in a biological cell system
  • 时间：0
  • 分类：O321[理学—一般力学与力学基础;理学—力学] TB53[理学—物理;理学—声学;一般工业技术]
  • 作者机构：[1]Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China, [2]Hefei National Lab of Physical Science at Microscale, University of Science and TechnoloEy of China, Hefei 230026, China, [3]Department of Chemistry, Hefei Teachers College, Hefei 230000, China
  • 相关基金：ACKNOWLEDGMENTS This work was supported by the National Natural Science Foundation of China （No.20433050 and No.20673106）.
  • 相关项目：复杂体系中重要非线性化学问题的研究
关键词： 共振现象, 生物细胞系统, 噪声, 钙, 化学分析, Internal noise, Calcium oscillations, System size resonance, Canard phenomenon
中文摘要：

钙摆动上的内部噪音的影响被学习。内部噪音什么时候被考虑，被发现随机的钙摆动发生，当相应确定的动力学仅仅产出一个稳定的状态时。另外，如此的摆动的性能与系统尺寸的变化显示出二最大值，显示系统尺寸回声的出现。这行为被发现亲密地与虚报现象被连接。有趣地，最佳的系统之一与真实房间尺寸缩放匹配很好，这也被发现，并且如此的匹配对控制参数的变化柔韧。

英文摘要：

The influence of internal noise on the calcium oscillations is studied. It is found that stochastic calcium oscillations occur when the internal noise is considered, while the corresponding deterministic dynamics only yields a steady state. Also,. the performance of such oscillations shows two maxima with the variation of the system size, indicating the occurrence of system size resonance. This behavior is found to be intimately connected with the canard phenomenon. Interestingly, it is also found that one of the optimal system sizes matches well with the real cell size, and such a match is robust to the variation of the control parameters.

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复杂体系中重要非线性化学问题的研究
期刊论文 72 会议论文 10 著作 1
复杂基因调控网络非平衡非线性动力学研究
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