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. Author manuscript; available in PMC: 2012 Nov 1.
Published in final edited form as: Environ Sci Technol. 2011 Oct 14;45(21):9232–9239. doi: 10.1021/es201702q

Figure 2.

Figure 2

A. The time evolution of the EPR signal intensity of DMPO-OH for the non-aerated control (red) and sample (black) solutions. B. The time evaluation of the EPR signal intensity of DMPO-OH for the aerated control (red) and sample (black) solutions. The green line represents the time evaluation of the EPR signal intensity of DMPO-OH for pure DMPO (150 mM) in 200 μL PBS solution and indicates no statistical increase in DMPO-OH concentration.