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. 2019 Dec 16;14:9893–9904. doi: 10.2147/IJN.S219794

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© 2019 Sun et al.

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Characterization of MPGds. (A) TEM images of MPGds. (B) DLS results of MPGds dispersed in PBS. (C) The stability curves of MPGds in neutral and weak acidic pH values. (D) UV-Vis-NIR absorbance spectra of MPGds with various concentrations.