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钙离子振荡体系中隐式和显式内信号随机共振
  • 期刊名称：高等学校化学学报，27(1), 147 (2006)
  • 时间：0
  • 分类：O641[理学—物理化学;理学—化学]
  • 作者机构：[1]北京化工大学理学院化学系,北京100029, [2]北京理工大学物理化学研究所,北京100029
  • 相关基金：国家自然科学基金（批准号：20433050）和北京化工大学校青年基金（批准号：QN0517）资助.
  • 相关项目：复杂体系中重要非线性化学问题的研究
关键词： 内随机共振, 钙离子振荡, 控制参数, Internal stochastic resonance , Ca^2＋ oscillations , Control parameter
中文摘要：

近年来，细胞内钙离子信号及其产生机理已成为研究热点之一，这是因为钙离子信号能控制细胞的生死、传递细胞间的信息、提高基因表达的有效性和特殊性、在钙离子信号传递过程中，受环境扰动是不可避免的．Shuai等川发现噪音能够控制钙离子通道中钙离子的释放．在过去的十年中，无论是物理、化学还是生物体系的噪音效应已被广泛研究，其中包括对随机共振（SR）的研究。

英文摘要：

The dynamic behavior of calcium ion oscillations was investigated when noise was injected to the system located in a steady state and an oscillatory state, respectively. It was found that noise can contribute to phenomenon of implicit or explicit internal stochastic resonance （IISR or EISR） , and that distance to bifurcation point was a key factor for controlling IISR or EISR. Then an external signal was added to the system, the result shows that IISR or EISR can not occur, implying an external signal destroys the cooperation of internal signal and noise. Furthermore, the difference and the similarity were discussed between IISR and EISR.

同期刊论文项目
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
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