Fig. 5

a The relative body weight changes of KM mice treated with saline and LMM@BSA clay nanosheets (n = 3); b long-term Mn bio-distribution of mice injected with LMM@BSA/Ce6 nanosheets; c, d serum biochemistry assay of mice injected with saline (control) and LMM@BSA dispersion and fed for different days. TB total bilirubin, CREA creatinine, ALT alanine transaminase, AST amino-transferase; e H&E-dyed tissue sections of major organs of KM mice that were injected with saline (control) or LMM@BSA clay nanosheets and fed for 14 days (scale bar = 100 μm)