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Fig. 1 | Journal of Nanobiotechnology

Fig. 1

From: Antioxidant PDA-PEG nanoparticles alleviate early osteoarthritis by inhibiting osteoclastogenesis and angiogenesis in subchondral bone

Fig. 1

Synthesis and characterization of PDA-PEG NPs. a Schematic illustration of the synthesis of PDA-PEG NPs. TEM images of PDA-PEG NPs at b low magnification and c high magnification. d Zeta potentials analysis of PDA and PDA-PEG NPs. e Element weight of PDA and PDA-PEG NPs including N, C, and H. f DLS analysis, g XPS, h FT-IR spectra, i XRD patterns, and j UV–Vis-NIR spectrum of PDA and PDA-PEG NPs. n = 3

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