Keywords: دیفنیل هگزاتریل; ATR; attenuated total reflectance; CF; carboxyfluorescein; DLPE (18:2); 1,2-dilinoleoyl-sn-glycero-3-phosphoethanolamine; DPH; diphenyl hexatriene; DPPC (16:0); 1,2-dipalmitoyl-sn-glycero-3-phosphatidylcholine; DSC; differential scanning calorimetry; EPC;