Stretching and Solvency of Charged Cellulose Chains
The transition between good and poor solvency conditions was studied for cellulose interacting in an aqueous environment as a function of the pH and ionic strength as well as for cellulose with weakly ionizable grafted groups. For uncharged cellulose, poor solvent conditions were observed for a pH range of 4-10 and an ionic strength between 0.1 and 10 mM, as demonstrated by the characteristic constant force plateau in the single-molecule force spectroscopy data as a function of the polymer...[Show more]
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