Fig. 12From: Protein adsorption through Chitosan–Alginate membranes for potential applicationsMolecular electrostatic potential computed at a B3LYP/6-31G(d) level of theory with Gaussian 09 and GaussView 5 tools. a Calcium chloride; b Sodium Alginate; c Acetic acid; d Chitosan (units are set in eV)Back to article page