| Summary: | The present study aimed to synthesize triacetin-microemulsion (T-ME) and T-ME hybridized with bovine serum albumin nanoparticles (T-BSA-ME) having narrow particle size distribution and versatile carrier systems as a novel microemulsion system. The suggested ME system was characterized by Fourier Transform Infrared spectroscopy (FTIR), Differential Scanning Calorimetry (DSC), and Atomic Force Microscopy (AFM). The physicochemical properties of microemulsion system including particle size, PDI and ζ-potential, refractive index, Conductivity, %Transmittance, pH, and rheological behavior were also evaluated. In vivo biocompatibility was done using Median Lethal Dose (LD 50) calculated and trialed to evaluate the acute toxicity. In Addition, hemolysis and leukocyte proliferation assay were characterized to evaluate in-vitro biocompatibility of the suggested MEs systems. Moreover, cytotoxicity of MEs systems was also investigated on HFF-2 and HEK-293 cells. The presence of BSA NPs as a macromolecular biomaterial hybridized with T-ME reduced the cytotoxicity. The properties of the suggested MEs system proposed the T-ME hybridized with BSA-NPs as a promising candidate for co-delivery and multifunctional biomedicine applications.
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