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. Author manuscript; available in PMC: 2014 Jan 1.
Published in final edited form as: Free Radic Biol Med. 2012 Oct 7;54:135–147. doi: 10.1016/j.freeradbiomed.2012.09.018

Table 4.

Rate constants for the reactions between HPr+, HE, Mito-HE and O2•− as determined from the competition kinetics with SOD

Probes SODa
HPr+ (1.19 ± 0.05) × 104 M−1s−1
HE (6.2 ± 0.8) × 103 M−1s−1
Mito-HE (1.6 ± 0.1) × 104 M−1s−1
a

k = 2 × 109 M−1s−1