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. Author manuscript; available in PMC: 2016 Nov 1.

Published in final edited form as: J Magn Reson. 2015 Sep 12;260:77–82. doi: 10.1016/j.jmr.2015.08.027

Integrated X-band CW spectra at 20°C showing changes during the cleavage of dinitroxide I (0.5 mM) by glutathione (0.5 mM). Time 0 ( ), 30 min ( ), 60 min ( ), 90 min ( ), 120 min ( ), 150 min ( ), and 180 min ( ) after adding glutathione. To obtain the limiting spectrum after 24 hr ( ) the sample was stored at 4°C overnight. The spectra were scaled to constant amplitude for the highest peak.

Inline graphic — Integrated X-band CW spectra at 20°C showing changes during the cleavage of dinitroxide I (0.5 mM) by glutathione (0.5 mM). Time 0 ( ), 30 min ( ), 60 min ( ), 90 min ( ), 120 min ( ), 150 min ( ), and 180 min ( ) after adding glutathione. To obtain the limiting spectrum after 24 hr ( ) the sample was stored at 4°C overnight. The spectra were scaled to constant amplitude for the highest peak.