Fig. 2
From: Peptide-modified PAMAM-based bone-targeting RNA delivery system
Characterization of PS nanoparticles: A A typical image of a scanning electron micrograph of PS (scale bar: 1 µm). B 1H NMR spectrum of PS. C Zeta potential of PS determined by dynamic light scattering. D The particle size distribution of PS. E The binding capacity of PS to miR-138-5p measured by an electrophoretic mobility assay