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. 2023 Jun 8;15(6):1677. doi: 10.3390/pharmaceutics15061677

Figure 12.

Figure 12

(A) (i) In vivo NIR-II fluorescence imaging of gliomas with Pdots-C6 administration at different time points post-injection. (ii) Brain tissue section 24 h post-injection. Green: PFBT; blue: cell nuclei stained with DAPI (scale bar: 1 mm). Reproduced with permission from [187], copyright Elsevier 2022. (B) (i) Schematic illustration of the dissociation of cancer cell membrane-coated USIO NPs in an acidic environment. (ii,iii) represent T2-weighted and T1-weighted MR images of cancer cell membrane-coated USIO NPs, respectively. (iv) Plots of 1/T2 as a function of Fe concentration. Reproduced with permission from [190], copyright Elsevier 2021. (C) Time-dependent PET imaging of 4T1 breast cancer-bearing mice injected with erythrocyte-membrane-coated UCNPs. Reproduced with permission from [193], copyright RSC Publishing 2020.