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Hydrogen Peroxide in the Troposphere
Puni tekst: hrvatski, pdf (115 KB)
APA 6th Edition
Pehnec, G. (2007). Vodikov peroksid u troposferi. Arhiv za higijenu rada i toksikologiju, 58 (2), 239-249. https://doi.org/10.2478/v10004-007-0010-x
MLA 8th Edition
Pehnec, Gordana. "Vodikov peroksid u troposferi." Arhiv za higijenu rada i toksikologiju, vol. 58, br. 2, 2007, str. 239-249. https://doi.org/10.2478/v10004-007-0010-x. Citirano 21.02.2019.
Chicago 17th Edition
Pehnec, Gordana. "Vodikov peroksid u troposferi." Arhiv za higijenu rada i toksikologiju 58, br. 2 (2007): 239-249. https://doi.org/10.2478/v10004-007-0010-x
Pehnec, G. (2007). 'Vodikov peroksid u troposferi', Arhiv za higijenu rada i toksikologiju, 58(2), str. 239-249. doi: https://doi.org/10.2478/v10004-007-0010-x
Pehnec G. Vodikov peroksid u troposferi. Arh Hig Rada Toksikol. [Internet]. 2007 [pristupljeno 21.02.2019.];58(2):239-249. doi: https://doi.org/10.2478/v10004-007-0010-x
G. Pehnec, "Vodikov peroksid u troposferi", Arhiv za higijenu rada i toksikologiju, vol.58, br. 2, str. 239-249, 2007. [Online]. doi: https://doi.org/10.2478/v10004-007-0010-x
The past few decades saw a rising interest in the role of hydrogen peroxide (H2O2) in atmospheric chemistry and its contribution to the formation of free radicals. Free radicals (oxidants) are formed by photochemical reactions between ozone and H2O2. Free radicals formed within cells can oxidise biomolecules, and this may lead to cell death and tissue injury. For this reason, free radicals are believed to cause more than 100 diseases. H2O2 has been suggested as a better indicator of atmospheric oxidation capacity than ozone. Atmospheric H2O2 can appear in the gas phase or in the aqueous phase. It shows typical diurnal and seasonal variations. However, measurements of H2O2 with expensive and sophisticated equipment are rare and limited to but a few sites in the world. Measurements in Greenland ice cores showed that H2O2 concentrations increased over the last 200 years and most of the increase has occurred over the last 20 years. Evaluations show that concentrations will still rise as a result of decreasing SO2 emission. H2O2 measurements have not been carried out in Croatia until now, and, accompanied by the existing longterm measurements of ozone and nitrogen oxides, they will provide an idea of the oxidative capacity of the atmosphere and its influence on oxidative stress.
air pollution; free radicals; oxidative stress; photochemical reactions
Hrčak ID: 12911
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