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. 2021 Sep 24;16:6553–6573. doi: 10.2147/IJN.S321631

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© 2021 Li et al.

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Targeting ability of BM2-modified nanoparticles in vivo. (A) Fluorescence images of a BCG-infected rat at 3 h, 9 h, 24 h, 48 h and 72 h post injection of DiR-labelled nanoparticles. (B) Quantitative fluorescence intensity (n = 3) of abscess tissue at different time points. (C) Biodistribution of DiR-labeled nanoparticles in major organs extracted from rats at 72 h post injection. (D) Quantitative analysis of fluorescence intensity (n = 3) in major organs. (E) CLSM images of Frozen section of abscess tissues at 24 h post-injection of DiR-loaded nanoparticles. The scale bar is 50 μm.