Graphene Oxide-PES-Based Mixed Matrix Membranes for Controllable Antibacterial Activity against Salmonella typhi and Water Treatment

Figure 6

SEM micrographs of the prepared GO-PES membranes: (a) pristine PES membranes, (b) 0.25 wt. % (M1), (c) 0.5 wt. % (M2), and (d) 1.0 wt. % (M4).

(a)

(b)

(c)

(d)