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. 2020 May 15;10(13):6072–6081. doi: 10.7150/thno.42134

Figure 1.

Figure 1

(A) Schematic illustration of the compositions of a Cy5@Au NP. (B) SIM images of HeLa cells stained by Cy5@Au NPs (1.36 × 10-10 M) for different treatment periods. (C) SIM images of HeLa cells stained by Cy5@Au NPs in different concentrations for 24 h. The dilution ratios between original nanoparticles solution and DMEM (with FBS) were 1:2000, 1:1000, and 3:2000 and the corresponding molar concentrations of nanoparticles were 6.8 × 10-11 M, 1.36 × 10-10 M, and 2.04 × 10-10 M, respectively.