Fig. 3.

Biocompatibility and antibacterial assays of the CHMN patch: (a, b) NIH-3T3 cells co-cultured with CHMN₃ and CHMN₅ at day 1 (a) and day 2 (b), cultured in a microplate as control; (c) MTT assay of NIH-3T3 co-cultured with CHMN; (d, e) antibacterial ability of CHMN₃ and CHMN₅ testified by co-culture with E. coli (d) and S. aureus (e), PBS solution chosen as control; (f) the corresponding statistics of bacterial survival rate.