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. 2019 Jul 3;14:4767–4780. doi: 10.2147/IJN.S204844

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© 2019 Chiu et al.

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Diameter and ς-potential of MNPs with or without PEG. Particle size and ζ-potential of MNPs were measured in phosphate-buffered saline (PBS, A) or serum (B). The values shown are mean ± SE (n=3–4). *^,#p<0.05 compared with the corresponding 250 nm particles and PEG(–) groups, respectively.