منابع مشابه
Dynamics of polyzwitterions in salt-free and salt solutions.
Dynamics of polyzwitterions remains largely unclear. We have prepared zwitterionic poly[1-(3-sulphopropyl) betaine-2-vinylpyridinium] (PSB) and investigated its dynamics in aqueous solution as a function of added salt (NaCl) concentration (Cs) by dynamic laser light scattering (DLS) and sedimentation velocity (SV) in analytical ultracentrifugation (AUC). A fast and a slow mode can be observed b...
متن کاملProtein aggregation in salt solutions.
Protein aggregation is broadly important in diseases and in formulations of biological drugs. Here, we develop a theoretical model for reversible protein-protein aggregation in salt solutions. We treat proteins as hard spheres having square-well-energy binding sites, using Wertheim's thermodynamic perturbation theory. The necessary condition required for such modeling to be realistic is that pr...
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By a method involving equilibration of ice and solution, and analysis of the solution, freezing point depressions of solutions of sodium citrate, oxalate, and fluoride have been determined over the range Delta = 0.45 to 0.65 degrees C. Determinations with sodium chloride solutions have confirmed the accuracy of the method. In each case the freezing point depression is given, within 0.002 degree...
متن کاملBreathing of Pressure Oxygenated Salt Solutions.
M AMMALS EVOLVED FROM FISH SOME 350 million years ago at a time when prolonged droughts converted the lake-covered continental lowlands into arid mud-flats. Fish that were trapped in these evanescent lakes possessed an air bladder which opened as a blind sac off the gut and could serve as an emergency respiratory organ. These fish stayed alive by swallowing air as they crawled overland from one...
متن کاملAdaptive resolution simulation of salt solutions
We present an adaptive resolution simulation of aqueous salt (NaCl) solutions at ambient conditions using the adaptive resolution scheme. Our multiscale approach concurrently couples the atomistic and coarse-grained models of the aqueous NaCl, where water molecules and ions change their resolution while moving from one resolution domain to the other. We employ standard extended simple point cha...
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ژورنال
عنوان ژورنال: J. Chem. Soc., Trans.
سال: 1887
ISSN: 0368-1645
DOI: 10.1039/ct8875100389