Fig. 1From: Fucoidan-derived carbon dots against Enterococcus faecalis biofilm and infected dentinal tubules for the treatment of persistent endodontic infectionsA TEM images and B particle size distribution of FDCDs. C UV–VIS absorption spectra of FDCDs. The inset photos show FDCDs solution under ambient light (left) and 365 nm UV radiation (right), respectively. D FT-IR spectra, E, F XPS survey spectrums, and G zeta potentials of FD and FDCDs in DI waterBack to article page