Fig. 6
From: Applications of carbon dots and its modified carbon dots in bone defect repair
(A, B) expression of chondrocyte-specific genes Acan and Col2a1 at 4 and 8 weeks after subcutaneous implantation in nude mice [57] (C = collagen, CN = collagen mixed with CD NPs, CG = collagen crosslinked with genipin, CGN =collagen crosslinked with genipin and CD NPs, CGN + PDT=CGN after 808 nm laser irradiation at a power density of 8.3 mW/cm2 for 3 min). (© 2019 Elsevier Ltd. All rights reserved)