
Keywords: ضریب نفوذپذیری ظاهری; Hydrophobic ion pairing; Complex stability; Intestinal permeability; In vitro; AL; alendronate sodium; PEI; polyethyleneimine; NLC; nanostructured lipid carrier; FASSIF-V2; fasted state simulated intestinal fluid; HBSS; Hanks' balanced salt solution; HE