Fig. 1: H3-nanovax particle characterization.

Representative scanning electron micrographs of (a) H3-nanovax (HA/NP), (b) H3-nanovax (NA/NP), and (c) H3-nanovax (NA/M1). Scale bar represents 1 μm. d Size distribution of average particle diameter analyzing ~500 particles per image using ImageJ software.