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. Author manuscript; available in PMC: 2013 Jul 1.
Published in final edited form as: Radiat Res. 2012 Jun 14;178(1):57–68. doi: 10.1667/rr2806.1

FIG. 3.

FIG. 3

Mass spectrograms showing that before the •OH generation reaction you see only the PrC-210 thiol (149.4 amu), but after the •OH generation reaction you no longer see the 149.4 amu thiol signal, but do see 3 peaks with amu signatures that represent either the oxidized PrC-210 disulfide (295.4 and 148.4) or a 163.2 amu peak that indicates direct modification of the PrC-210 sulfur with an oxygen atom.