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HO2•, usually termed either hydroperoxyl radical or perhydroxyl radical, is the protonated form of superoxide; the protonation/deprotonation equilibrium exhibits a. Paper The self-reaction of hydroperoxyl radicals: ab initio characterization of dimer structures and reaction mechanisms Rongshun Zhu and M.

Ribaucour et F. Louis, A theoretical study of the NCN ( 3Σ −) biradical thermochemical properties: Implications for combustion chemistry, Computational and Theoretical Chemistry, 2011, 967: 67-74 Voir aussi [ ] Bibliographie [ ] • S. Ribaucour et F. Chris Brown Exclusive The Forever Edition Lyrics. Louis, A theoretical study of the NCN ( 3Σ −) biradical thermochemical properties: Implications for combustion chemistry, Computational and Theoretical Chemistry • John D. (2015) Direct observation and kinetics of a hydroperoxyalkyl radical (QOOH); Science 6 February 2015:Vol.

643-646; DOI: 10.1126/science.aaa1495 () Articles connexes [ ] • • • • • •.

HO 2•, usually termed either hydroperoxyl radical or perhydroxyl radical, is the protonated form of superoxide; the protonation/deprotonation equilibrium exhibits a pK a of around 4.8. Consequently, about 0.3% of any superoxide present in the cytosol of a typical cell is in the protonated form. This ratio is rather accurately reflected by the published literature on the two species, as identified by a PubMed search; at the time of writing only 28 articles mention 'HO2,' 'hydroperoxyl' or 'perhydroxyl' in their titles, as against 9228 mentioning superoxide.

Here it is argued that this correlation is not justifiable: that HO 2•'s biological and biomedical importance far exceeds the attention it has received. Several key observations of recent years are reviewed that can be explained much more economically when the participation of HO 2• is postulated. It is suggested that a more widespread appreciation of the possible role of HO 2• in biological systems would be of considerable benefit to biomedical research.