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Characterization of epigallocatechin-3-gallate selenium nanoparticles (EGCG-Se NP). (A) EGCG-Se NP size distribution was detected by dynamic laser scattering and morphological image of an EGCG-Se NP was obtained via transmission electron microscopy. Scale bar = 100 nm. (B) X-ray photoelectron spectroscopy spectrum of EGCG-Se NP. (C) Clearance of diphenyl picrylhydrazyl by EGCG-Se NP.
