Nanoparticle morphology & size.

Nanoparticle surface characterization using TEM analysis (a) Under magnification of 13,500X, AT1-HSA-MRN-NPs of size 215.2±4.7 nm and zeta potential of -28.8±2.7 mV (Scale = 500 nm) (b) Under magnification of 55,000X, AT1-HSA-MRN-NPs with moderately uniform particle size (Scale = 100 nm); (c) Under 250,000X magnification, the AT1-HSA-MRN-NPs display a dark core surrounded by a bright membrane, which confirmed the distinct peptide layer (Scale = 20 nm).