327562.fig.001a
(a)
327562.fig.001b
(b)
327562.fig.001c
(c)
327562.fig.001d
(d)
Figure 1: X-ray patterns of magnetic nanoparticles prepared by coprecipitation method: (a) without chitosan and (b) with 0.125 (w/v%) of chitosan. It also included (c) magnetite standard pattern and (d) maghemite standard pattern.