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Poly(D,L-lactic-co-glycolic) MP characterization. (A) Size distribution by volume of fabricated MPs using DLS. (B) Scanning electron microscopy image of the PLG50 formulation showing spherical nature and average size of about 1 μm. (C) Endotoxin levels per milligram of MP as assessed via the ChromoLAL assay; histogram bars represent mean and standard error.
