General formulation and some salient results in charge regulation theory

报告题目:General formulation and some salient results in charge regulation theory

报告人:R. Podgornik 教授,中国科学院大学理学院,卡弗里理论科学研究所

报告时间:20191213日(周五)上午930-1015

报告地点:物理科技楼101

报告邀请人:施夏清

报告摘要:There are no net charges in (bio)colloid world, and all of them result from dissociation of chargeable groups, as in e.g., proteins from dissociable amino acid moieties, a process in general referred to as charge regulation. Recent advances in the theoretical formulation and analysis of charge regulated system lead to some far reaching conclusions on electrostatic interactions in colloid milieu, that often differ fundamentally from the accepted wisdom. I will present several examples of novel behavior or new understanding of the known behavior that is specifically connected with the response of the charging equilibrium on (bio)colloidal surfaces to the local bathing solution conditions.

报告人简介:Rudolf Podgornik is Chair professor at the School of Physical Sciences, University of Chinese Academy of Sciences (UCAS), Beijing and professor at the Kavli Institute for Theoretical Sciences (KITS) at the University of Chinese Academy of Sciences, Beijing. He is the Foreign expert in the 1000 talents program of the Chinese government at the University of Chinese Academy of Sciences in Beijing. He is also professor of physics at the Physics Department, Faculty of Mathematics and Physics, University of Ljubljana and professor of biophysics at the Medical Faculty, University of Ljubljana. He is also the head of the research program Biophysics of polymers, membranes, gels, colloids and cells, financially supported by the Slovene Agency for Research and Development (ARRS) and a member of the Theoretical Physics Department at the Jozef Stefan Institute in Ljubljana. Until 2010 he was an adjunct researcher at the National Institutes of Health, Bethesda, MD. From 2011 to 2016 he was also adjunct professor at the Physics Department, University of Massachusetts, Amherst and from 2013 to 2017 an adjunct professor at the Materials Science & Engineering Department at the Case Western Reserve University, Cleveland. He is a coeditor-in-chief of the Journal of Biological Physics, published by Springer, a member of the Editorial board of the journal Scientific Reports published by Nature-Springer and an Advisory Editor of the European Biophysics Journal (EBJ) published by Springer Nature on behalf of the European Biophysical Societies Association (EBSA).

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