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Cell fluorescence intensity of VSMCs.
Notes: The experiment was repeated three times to calculate the average fluorescence intensity of each group, and the histogram was obtained based on NP group. Data are presented as mean ± SEM; *P=0.001.
Abbreviations: VSMCs, vascular smooth muscle cells; NP, nanoparticle; SEM, standard error of mean; ENP, EGFP-EGF1-conjugated poly(lactic-co-glycolic acid) nanoparticle; Geo, geometric.
