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. Author manuscript; available in PMC: 2018 Mar 1.
Published in final edited form as: Free Radic Biol Med. 2017 Jan 17;104:249–261. doi: 10.1016/j.freeradbiomed.2017.01.028

Figure 2.

Figure 2

Plots of λmax versus pH for s2c5Ura (left) and se2c5Ura (right). The position of the inflection point, denoting the pKa, is indicated by the open blue circle. The pKa values were determined to be 7.68 and 7.11, respectively.