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The response-surface curve (3D) (A–C) showing the effect of formulation variables: X1: Chitosan (% w/v), X2: Sodium alginate (% w/v), and X3: Calcium chloride (mM) on responses, particle size, nm (A), %drug encapsulation (B), and %cumulative drug release (%CDR) (C) of β-SIT-Alg/Ch-NPs-FA.
