One-Step Method for Preparation of Magnetic Nanoparticles Coated with Chitosan

Figure 1

X-ray patterns of magnetic nanoparticles prepared by coprecipitation method (at 50°C) without chitosan and with different chitosan concentrations: (a) without chitosan; (b) 0.125; (c) 0.25; (d) 0.5 (w/v %); (e) magnetite standard pattern; (f) maghemite standard pattern.

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(b)

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(f)