Hofmeister series reversal for lysozyme by change in pH and salt concentration: insights from electrophoretic mobility measurements |
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| Authors: | Salis Andrea Cugia Francesca Parsons Drew F Ninham Barry W Monduzzi Maura |
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| Institution: | Department of Chemical & Geological Sciences, University of Cagliari, Monserrato, CA, Italy. asalis@unica.it |
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| Abstract: | Hofmeister series reversal can occur with change in pH, or increase in salt concentration. The phenomena are a challenge for any theory of ion specific effects. Recent theoretical work predicts how a complex interplay between ionic sizes, hydration and dispersion forces explains Hofmeister series reversal. Electrophoretic mobility measurements on lysozyme suspensions reported here are consistent with the theory. |
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