周期性外力驱动甘油分子通过膜通道的机制  

Study on the mechanism of transportation of glycerol through membrane channel driven by periodic external force

作　　者：聂雪川[1] 吴锋民[1] 周晓艳[1] 何俊霞[1] 冯梅[1] 陆杭军[1] 

机构地区：[1]浙江师范大学凝聚态物理研究所

出　　处：《浙江师范大学学报（自然科学版）》2012年第4期406-410,共5页Journal of Zhejiang Normal University:Natural Sciences

基　　金：国家自然科学基金资助项目(11005093);浙江省自然科学基金资助项目(Y6100384)

摘　　要：采用Fokker-Planck方程研究了甘油分子在周期性外力作用下通过甘油通道(glycerol protein ficilita-tor,GlpF)定向输运的问题.根据平均力势(potential of mean force,PMF)的分布把GlpF分成14个区域,分别讨论了不同区域对甘油分子定向输运的影响.研究发现,GlpF的中间区域对甘油分子的输运起到关键作用.By using Fokker-Planck equation, it was investigated the unidirectional through GlpF driven by periodic external force. According to the profile of the PMF, 14 regions. Effects of these regions on the glycerol transportation were studied. The transportation of glycerol the GlpF was divided into theoretical results indica- ted that the middle region of the GlpF played a key role in glycerol transportation .

关 键 词：布朗马达 甘油通道 定向流 甘油分子 

分 类 号：O352[理学—流体力学]