Fig.12From: Artificial neural network for cytocompatibility and antibacterial enhancement induced by femtosecond laser micro/nano structuresInfluence of the size of hierarchical micro/nano-structures on initial bacterial adhesion. a OD value of initial bacterial adhesion. b The surface contact state between E. coli and each sample. c The surface contact state between S. aureus and each sample. *P < 0.01, **P < 0.05Back to article page