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. 2020 Feb 26;15:1283–1295. doi: 10.2147/IJN.S234679

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© 2020 Wang et al.

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INIRF images. HeLa tumor bearing mice were systematically injected of NIR-797 labeled Sal NPs, and observed for a period of 120h. The tumors were marked by arrows. The images of 7 time points were showed to analysis the acumination of Sal NPs in tumor region and normal organs. In the NIRF images, NPs administrated by systematically administration could accumulate into tumor region, which showed the intelligent targeting ability of our NPs.

Abbreviations: NIRF, near-infrared fluorescence; Sal NPs, Sal-mPEG-pep-PCL nanoparticles; NPs, nanoparticles.