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. 2021 Jun 21;22(12):6618. doi: 10.3390/ijms22126618

Figure 5.

Figure 5

Confocal fluorescence microscopy images (λex = 561 nm and λem = 565–615 nm) of HeLa cells exposed to RB free in solution (A–C) and cells exposed to RB-PEG-NP-d (D–I) at the same RB concentration (1 μM). Scale bars = 100 μm.