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This article is about the radical compound. For hydroperoxide compounds (ROOH) or the anion (OOH−), see Hydroperoxide.
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
Chemical compound
The hydroperoxyl radical, also known as the hydrogen superoxide, is the protonated form of superoxide with the chemical formula HO2, also written HOO•. This species plays an important role in the atmosphere and as a reactive oxygen species in cell biology.[2]
^Bielski, Benon H. J.; Cabelli, Diane E.; Arudi, Ravindra L.; Ross, Alberta B. (1985). "Reactivity of HO2/O− 2 Radicals in Aqueous Solution". J. Phys. Chem. Ref. Data. 14 (4): 1041–1091. Bibcode:1985JPCRD..14.1041B. doi:10.1063/1.555739.
^Heard, Dwayne E.; Pilling, Michael J. (2003). "Measurement of OH and HO2 in the Troposphere". Chemical Reviews. 103 (12): 5163–5198. doi:10.1021/cr020522s. PMID 14664647.
The hydroperoxyl radical, also known as the hydrogen superoxide, is the protonated form of superoxide with the chemical formula HO2, also written HOO•...
reacts with molecular oxygen (O2) to form a lipid hydroperoxyl radical (LOO•). The lipid hydroperoxyl radical (LOO•) can further abstract hydrogen from...
base, initially forming the hydroperoxyl radical (HO2). The superoxide anion, O−2, and its protonated form, hydroperoxyl, are in equilibrium in an aqueous...
polyoxides. The compound is prepared by a chemical reaction between hydroperoxyl radicals (HO2•) at low temperatures: 2 H O 2 ∙ → 2 H 2 O 4 {\displaystyle...
refers to the hydroperoxide anion (−OOH) and its salts, and the neutral hydroperoxyl radical (•OOH) consist of an unbond hydroperoxy group. When R is organic...
back to iron(II) by another molecule of hydrogen peroxide, forming a hydroperoxyl radical and a proton. The net effect is a disproportionation of hydrogen...
action of reactive oxygen species (ROS), specifically hydroxyl (HO•) and hydroperoxyl (HO• 2) radicals, which initiate the oxidation of polyunsaturated fatty...
protonated and the other is an unprotonated radical: Hydroxyl (HO•) Hydroperoxyl (HOO•), the protonated form of superoxide Hydrogen ozonide (HOOO•), the...
compound is 4,5-diaminofluorescein (DAF-2). Nitric oxide reacts with the hydroperoxyl radical (HO• 2) to form nitrogen dioxide (NO2), which then can react...
Biliverdin and bilirubin have been shown to be potent scavengers of hydroperoxyl radicals. They have also been shown to inhibit the effects of polycyclic...
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