Fig. 5
From: Applications of carbon dots and its modified carbon dots in bone defect repair

Cell changes on various carbon dots materials. A: Scanning electron microscope photos of MG-63 cells attached to the scaffold for 1 day and 7 days; B: DAPI staining fluorescence images of MG-63 cells cultured on scaffolds for 1 day and 7 days [66](© 2020 John Wiley & Sons Ltd); C: Study on cytotoxicity of polylactic acid and polylactic acid-cyclodextrin polymer [71]. (Copyright © 2021, The Author(s), under exclusive licence to Islamic Azad University)