Tuning Strain Stiffening of Protein Hydrogels by Charge Modification.

Int J Mol Sci · 2022 · PMC8950043 · PMID 35328457

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It is worth mentioning that the stress at 50% of the unmodified hydrogels also showed a trend similar to that of the absolute values of zeta potentials for BSA at various pH ( Figure S6 ), further confirming the effects of surface charge of BSA on the strain-stiffening of hydrogels.

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