We report on a DLVO (Derjaguin-Landau-Verwey-Overbeek) theory determination of cloud and solubility temperatures as a function of the salt molarity in lysozyme solutions. The model is able to reproduce-with a fair accuracy-the experimentally observed linear dependence on the logarithm of the ionic strength, within a protein concentration range spanning from 90 to 140 g l(-1). A short discussion of the results is also given in connection with previous applications of the same DLVO model to protein solutions.
Cloud and solubility temperatures versus ionic strength in model lysozyme solutions
PELLICANE, Giuseppe;COSTA, Dino;CACCAMO, Carlo
2003-01-01
Abstract
We report on a DLVO (Derjaguin-Landau-Verwey-Overbeek) theory determination of cloud and solubility temperatures as a function of the salt molarity in lysozyme solutions. The model is able to reproduce-with a fair accuracy-the experimentally observed linear dependence on the logarithm of the ionic strength, within a protein concentration range spanning from 90 to 140 g l(-1). A short discussion of the results is also given in connection with previous applications of the same DLVO model to protein solutions.File in questo prodotto:
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