Fig. 5
Antibacterial properties. Photographs of colony-forming units of a E. coli and c S. aureus on plate after treating with different samples and the corresponding colony count for b E. coli and d S. aureus. SEM images of e E. coli and g S. aureus on 2D, 3D, 3D-TA0.5 and 3D-TA1.0 surfaces and the antibacterial ability of different samples against f E. coli and h S. aureus via CCK-8 method