851417.fig.001a
(a)
851417.fig.001b
(b)
851417.fig.001c
(c)
851417.fig.001d
(d)
851417.fig.001e
(e)
851417.fig.001f
(f)
Figure 1: SEM images of (a) the naked yeast, (b) general observation of the raspberry-like TiO2@yeast precursor, (c) the yeast-carbon, (d) the overall view of the raspberry-like TiO2@yeast-carbon microspheres, (e) the selected raspberry-like TiO2@yeast-carbon microspheres, and (f) typical raspberry-like TiO2@yeast-carbon microspheres observed under high magnification.