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. 2017 Jul 6;7(10):2652–2672. doi: 10.7150/thno.19680

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In vivo biodistribution of control 1, free DID 2, DID/MPEG_2k-PDLLA_1.7k 3 and DID/MPEG_2k-PDLLA_4k-PLL_1k 4. Real-time fluorescence images of the tumor-bearing mice after intravenous injection at set time points (A); the fluorescence images of ex vivo mean organs and tumors at 24 hrs post-injection (B); the fluorescence images of tumors (C); the quantitative analysis of fluorescence intensity in tumors at set time points post-injection (D); the quantitative analysis of fluorescence intensity in ex vivo mean organs and tumors (E)