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. 2013 Feb 6;5(4):1231–1235. doi: 10.3892/etm.2013.952

Figure 3.

Figure 3

Ultraviolet absorption spectrum of nanosilver-EGF complex. (1) Absorption spectrum of EGF. (2, 3) Absorption spectrum of nanosilver-alone group (100 and 500 ppm, respectively). (4) Absorption spectrum of nanosilver-EGF sustained-release group (25 ppm). EGF, epidermal growth factor.