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. 2020 Jun 22;10(17):7841–7856. doi: 10.7150/thno.42291

Figure 4.

Figure 4

Evaluation of the morphological and internal cellular damage to B16F10 melanoma cancer cells after treatment with nitrogen-/phosphorous-doped carbon dots (NPCDs) via scanning electron microscopy (SEM) and bio- transmission electron microscopy (bio-TEM) analysis. (A) SEM images of the (i) control and (ii) 5 μL/mL, (iii) 15 μL/mL and (iv) 30 μL/mL NPCD-treated B16F10 cells; and (B) Bio-TEM images of the (i) control and (ii) 30 μL/mL NPCD-treated B16F10 cells. L, lysosome; LE, late lysosome; V, vacuole; MI, mitochondrion; and R: ribosome (Scale: 1 μm).