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. 2020 Jan 1;10(4):1500–1513. doi: 10.7150/thno.39471

Figure 4.

Figure 4

The identification of MSC transfected with GFP and luciferase. A) The scheme of the lentivirus infection process. B) The images of MSCs and MSCs transfected with lentivirus (Scale bar = 200 μm). C) The luciferase activity of MSCs and MSCs transfected with lentivirus detected by D-Luciferin sodium salt using a microplate reader (**P < 0.01 by Student's t-test). D) Bioluminescence images of BALB/c mice seeded with Matrigel and MSCs-luciferase at day 0,1,4,7,11 (Left: MSC without CuS@BSA, Right: MSC with CuS@BSA). E) The quantified fluorescence intensity of MSCs-luciferase in vivo.