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. Author manuscript; available in PMC: 2009 Jan 7.
Published in final edited form as: Radiat Res. 2000 Aug;154(2):163–170. doi: 10.1667/0033-7587(2000)154[0163:oteoha]2.0.co;2

FIG. 2.

FIG. 2

EPR spectrum of d(GCACGCGTGC) crystal irradiated with 22 kGy at 4 K overlaid with a spectrum of ice irradiated with the same dose. Scan width is 100 mT, and the spectra were recorded at 4 K. The inset depicts the downfield portion of the spectra magnified by a factor of 10. The arrow points to the feature of the hydroxyl radical spectrum used in determining the hydroxyl radical yields. The hydroxyl radical spectrum is quite broad and contains multiple features. It is responsible for all but the sharp singlet in the spectrum of ice.