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Scanning electron micrographs of particles (A) PBSe-GSK3787 and (B) PBSe-NDL (non-drug-loaded) showing their spherical morphologies and diameters in the solid state; (C) Representative dynamic light scattering (DLS) diameter distributions by volume % of PBSe-GSK3787 and PBSe-NDL particles showing the smaller diameters of the drug-loaded particles.
