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. 2019 Feb 25;14:1519–1532. doi: 10.2147/IJN.S184192

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© 2019 Qin et al. This work is published and licensed by Dove Medical Press Limited

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(A–C) TEM images of PEGylated MGNRs@DMSSs at different magnifications, (D) FT-IR spectra of as-prepared MGNRs@DMSSs, MGNRs@DMSSs, and PEGylated MGNRs@DMSSs. (E) Dynamic light scattering (DLS) of MGNRs@DMSSs and PEGylated MGNRs@DMSSs. (F) Long-term colloidal stability of MGNRs@DMSSs and PEGylated MGNRs@DMSSs in RMPI-1640 with 10% calf serum. (G) UV-vis-NIR spectra of Au Seeds@DMSSs, as-prepared MGNRs@DMSSs, MGNRs@DMSSs, and PEGylated MGNRs@DMSSs.

Abbreviations: TEM, transmission electron microscopy; PEGylated MGNRs@DMSSs, PEG-modified multiple gold nanorices in dual-mesoporous silica nanospheres; FT-IR, Fourier transform infrared spectroscopy; as-prepared MGNRs@DMSSs, as-prepared multiple gold nanorices in dual-mesoporous silica nanospheres; MGNRs@DMSSs, extracted multiple gold nanorices in dual-mesoporous silica nanospheres; Au Seeds@DMSSs, gold seeds encapsulated dual-mesoporous silica nanospheres.