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. Author manuscript; available in PMC: 2013 Jun 28.
Published in final edited form as: Carbohydr Res. 2009 Oct 2;345(1):132–140. doi: 10.1016/j.carres.2009.09.038

Figure 4.

Figure 4

EPR spectra generated using AAPH. (A) (a) GA (4 mM) and AAPH (15 mM) in PBS solution (pH 7.4) with UV exposure at room temperature (g = 2.0054, a1H=0.98G,a2H=0.26(2)G) ; (b) as in (a), but without UV exposure (g = 2.0054); and (c) as in (a), but without AAPH (g = 2.0054). (B) (b) chitosan–GA (24 mM) and AAPH (15 mM) in PBS solution (pH 7.4) with UV exposure at room temperature (g = 2.0055); (b) as in (a), but without UV exposure; and (c) as in (a), but without AAPH.