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. 2013 Feb 18;2013:983609. doi: 10.1155/2013/983609

Figure 2.

Figure 2

ENE absorbs UVB light and scavenges UVB-generated intracellular ROS in HaCaT keratinocytes. (a) The UV/visible spectroscopic measurement was conducted in the spectral range of 250–500 nm. Absorbance is reported in absorbance units. Peaks 1, 2, and 3 indicate peak positions at 262 nm, 356 nm, and 367 nm, respectively. (b) Intracellular ROS levels were measured using fluorescence spectrophotometry and (c) flow cytometry. *Significantly different from control cells (P < 0.05); **significantly different from UVB-irradiated cells (P < 0.05).