Competitive sorption of mono- versus di-valent ions by highly charged globular macromolecules
Rohit Nikam,
Xiao Xu,
Matej Kanduč
et al.
Abstract:a) When a highly charged globular macromolecule, such as a dendritic polyelectrolyte or charged nanogel, is immersed into a physiological electrolyte solution, monovalent and divalent counterions from the solution bind to the macromolecule in a certain ratio and thereby almost completely electroneutralize it. For charged macromolecules in biological media, the number ratio of bound mono-versus divalent ions is decisive for the desired function. A theoretical prediction of such a sorption ratio is challengin… Show more
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