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10.1103/PhysRevLett.113.138302 http://scihub22266oqcxt.onion/10.1103/PhysRevLett.113.138302 C4670031!4670031!25302920     free     free     free       Phys+Rev+Lett 2014 ; 113 (13): 138302 Nephropedia Template TP {{tp|p=25302920|t=2014. Nonmonotonic diffusion in crowded environments |pdf=|usr=}}{{25302920}} gab.com Text Nonmonotonic diffusion in crowded environments JO: Phys Rev Lett http://www.kidney.de/pget.php?&tw=1&pmid=25302920 #FOAvip We study the diffusive motion of particles among fixed spherical crowders. The diffusers interact with the crowders through a combination of a hard-core repulsion and a short-range attraction. The long-time effective diffusion coefficient of the diffusers is found to depend non-monotonically on the strength of their attraction to the crowders. That is, for a given concentration of crowders, a weak attraction to the crowders enhances diffusion. We show that this counterintuitive fact can be understood in terms of the mesoscopic excess chemical potential landscape experienced by the diffuser. The roughness of this excess chemical potential landscape quantitatively captures the nonmonotonic dependence of the diffusion rate on the strength of crowder-diffuser attraction; thus it is a purely static predictor of dynamic behavior. The mesoscopic view given here provides a unified explanation for enhanced diffusion effects that have been found in various systems of technological and biological interest. Twit Text FOAVip Nonmonotonic diffusion in crowded environments ????Phys Rev Lett http://www.kidney.de/pget.php?&tw=1&pmid=25302920 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=25302920 #FOAvip English Wikipedia <ref>{{Cite pmid|25302920}}</ref> Nonmonotonic diffusion in crowded environments #MMPMID25302920 Putzel GG; Tagliazucchi M; Szleifer I Phys Rev Lett 2014[Sep]; 113 (13): 138302 PMID25302920show ga We study the diffusive motion of particles among fixed spherical crowders. The diffusers interact with the crowders through a combination of a hard-core repulsion and a short-range attraction. The long-time effective diffusion coefficient of the diffusers is found to depend non-monotonically on the strength of their attraction to the crowders. That is, for a given concentration of crowders, a weak attraction to the crowders enhances diffusion. We show that this counterintuitive fact can be understood in terms of the mesoscopic excess chemical potential landscape experienced by the diffuser. The roughness of this excess chemical potential landscape quantitatively captures the nonmonotonic dependence of the diffusion rate on the strength of crowder-diffuser attraction; thus it is a purely static predictor of dynamic behavior. The mesoscopic view given here provides a unified explanation for enhanced diffusion effects that have been found in various systems of technological and biological interest. äNonmonotonic diffusion in crowded environments (epmc).pdf DeepDyve Pubget Overpricing