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. 2023 Sep 8;18(1):111. doi: 10.1186/s11671-023-03891-9

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Fig. 6 — Representative fluorescent and optical microscopic images of live A549 cells exposed during 24 h to different CDs at 1 mg/mL using Cytation3. Eight wells were analyzed for each CD and control. Excitation and emission to detect the fluorescence of CDs were as follows: (a) blue 377/447; (b) red 469/525; (c) green 586/647; visible light (d); and merge (e). Scale white bar represents 100 µm