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Characterization of natural fullerene (NC60) and Pluronic F127-coated NC60 nanoaggregates (NC60/PF127) at different polymer weight ratios (NC60:PF127 = 1:0, 1:1, 1:5, 1:10, and 1:20). (A) Photographs, (B) UV–Vis absorption spectra, (C) hydrodynamic diameters, (D) polydispersity indexes (PDI), (E) zeta potentials of NC60 and NC60/PF127 at different polymer weight ratios.
