178921.fig.003a
(a)
178921.fig.003b
(b)
178921.fig.003c
(c)
178921.fig.003d
(d)
178921.fig.003e
(e)
178921.fig.003f
(f)
Figure 3: SEM images of bacteria colonies after 2 h on (a) NT, (b) NTS, and (c) TiS, and after 4 h on (d) NT, (e) NTS, and (f) TiS (×10 K).