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https://www.selleckchem.com/products/hdm201.html In this research, programmed death ligand 1 (PDL1) binding peptide was used for targeted delivery of curcumin to high PDL1-expressing breast cancer cells. Human serum albumin-curcumin nanoparticles (HSA/Cur NP) were first prepared by desolvation method and then functionalized with PDL1 binding peptide. Peptide conjugation to HSA/Cur NPs was confirmed by Fourier transform infrared and UV-visible spectroscopy. The formation of HSA/Cur NP was characterized by transmission electron microscope and scanning electron microscope. The size and zeta potential were determined by dynamic light scattering. The average particle size of the HSA/Cur NPs and peptide-HSA/Cur NPs were 197 and 246.5 nm, respectively. Evaluation of cellular uptake showed enhanced internalization of peptide-HSA/Cur NPs in high PDL1-expressing cancer cells compared to HSA/Cur NPs. The cell viability and apoptosis determination demonstrated higher cytotoxicity of HSA/Cur NPs relative to free curcumin in breast cancer cells. Peptide conjugation to HSA/Cur NPs increased cytotoxicity significantly concerning high PDL1-expressing breast cancer cells. In conclusion, peptide-HSA/Cur NPs improved cellular uptake and cytotoxicity of HSA/Cur NPs in high PDL1-expressing breast cancer cells. These results suggest that PDL1 has potential to be used as a target for selective drug delivery and promising candidate for the treatment of PDL1-expressing breast cancer cells. V.Chitosan and hyaluronic acid are the most attractive natural polysaccharides used for tissue regeneration, herein innovative orthopedic coatings were constructed by dip-coating technique. Inspired by the tough nacre-like structure, multifunctional (MF) films were constructed using bioactive glass nanoparticles (BGNPs) as the inorganic phase and hyaluronic acid (HA) and chitosan (CHT) polymers as the organic phase. Polymeric (CTR) films were also built with both polysaccharides. Inspired by the marine mus

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