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- * Under some circumstances it can produce [[superoxide]] ions: RH + H<sub>2</sub>O + 2 O<sub>2</sub> {{eqm}} ROH + 2 {{chem|O|2|−} Because XO is a superoxide-producing enzyme, with general low specificity,<ref name="MG Bonini et al"> ...17 KB (2,282 words) - 16:17, 19 January 2025
- ...title = 40 C.F.R.: Appendix A to Part 355—The List of Extremely Hazardous Substances and Their Threshold Planning Quantities | url = http://edocket.access.gpo.g ...lls at the background of mitochondrial respiration inhibition, the rate of superoxide production exceeds the cellular mechanisms to scavenge it, overwhelming the ...17 KB (2,420 words) - 23:29, 5 June 2025
- ...his hydroperoxyl radical abstracts an H<sup>+</sup> atom from a new diene, generating a new pentadienyl radical and a hydroperoxide (blue).]] ...ies]] (ROS) that cause [[oxidative stress]] along with other ROS such as [[superoxide]] ({{chem2|O2-}}), [[ozone]] ({{chem2|O3}}), and [[hydroxyl radical]] ({{ch ...15 KB (1,931 words) - 04:45, 28 June 2025
- [[Category:Superoxide generating substances]] ...10 KB (1,302 words) - 18:29, 5 May 2025
- ....2012.710619|pmid=23020769 |s2cid=20957331 }}</ref> Due to its features of generating high profit, it is highly demanded by refiners.<ref name="nairametrics.com" ...t3=S |last4=Omofoma |first4=C |title=Alterations in glutathione reductase, superoxide dismutase, and lipid peroxidation of tadpoles (Xenopus laevis) exposed to B ...22 KB (3,303 words) - 18:58, 24 May 2025
- ...:4" /> Paraquat's lethality is attributed to its enhancing production of [[superoxide]] anions and human lung cells can accumulate paraquat. Paraquat exposure ha ...e being oxidized by an electron receptor such as [[dioxygen]] to produce [[superoxide]], a major ROS.<ref>{{cite journal | author = Bus | title = Paraquat: model ...51 KB (6,961 words) - 00:11, 11 June 2025
- ...b>2</sub>) is then formed. Peroxisomes owe their name to hydrogen peroxide-generating and scavenging activities. They perform key roles in [[lipid metabolism]] a ...nt in liver and kidney cells, where the peroxisomes detoxify various toxic substances that enter the blood. About 25% of the [[ethanol]] that humans consume by d ...33 KB (4,223 words) - 01:40, 2 October 2025
- ...utathione]], [[mycothiol]], or [[bacillithiol]], and enzyme systems like [[superoxide dismutase]], inhibit damage from [[oxidative stress]].<ref>{{cite journal | ...rl-access=subscription }}</ref> through the cleavage process, generating [[superoxide]] radicals.<ref name=":0" /> DBP is toxic to marine life if exposed long-te ...98 KB (12,873 words) - 21:50, 27 October 2025
- ...Hill (author)|John Hill]] made the first direct link of cancer to chemical substances by noting that excessive use of [[snuff (tobacco)|snuff]] may cause nasal c ...include a chemical addition or disruption of a [[nucleotide]] base in DNA (generating an abnormal nucleotide or nucleotide fragment), or a break in one or both s ...52 KB (7,057 words) - 18:31, 24 September 2025
- ...ric assay for hydrogen peroxide, suitable for NAD(P)H-dependent superoxide generating redox systems |journal = Analytical Biochemistry |volume = 218 |issue = 2 | ...ase]]s (SOD)s are [[enzyme]]s that promote the [[disproportionation]] of [[superoxide]] into [[oxygen]] and hydrogen peroxide.<ref>Löffler G. and Petrides, P. E. ...95 KB (12,754 words) - 08:08, 17 November 2025
- ...urs only in ionic salts. Elemental potassium reacts vigorously with water, generating sufficient heat to ignite [[hydrogen]] emitted in the reaction, and burning ...lar the decomposition of the fixed alkalies, and the exhibition of the new substances that constitute their bases; and on the general nature of alkaline bodies|p ...97 KB (13,741 words) - 11:10, 16 November 2025
- ...lar the decomposition of the fixed alkalies, and the exhibition of the new substances that constitute their bases; and on the general nature of alkaline bodies|p ...than the 6s subshell of caesium.<ref name=Thayer /> Additionally, francium superoxide (FrO<sub>2</sub>) is expected to have significant covalent character, unlik ...225 KB (32,272 words) - 14:41, 17 November 2025
- * {{EnzExplorer|1.8.3.7}}: [[formylglycine-generating enzyme]] ==EC 1.10 Acting on diphenols and related substances as donors== ...199 KB (16,479 words) - 11:27, 23 June 2025
- ...plemented the Directive on the restriction of the use of certain hazardous substances in electrical and electronic equipment from 2003.[https://eur-lex.europa.eu ...ncil of 27 January 2003 on the restriction of the use of certain hazardous substances in electrical and electronic equipment|date=27 January 2003}}</ref>). ...156 KB (21,656 words) - 05:30, 28 June 2025
- ...a}}</ref> Copper is an integral part of the antioxidant enzyme copper-zinc superoxide dismutase, and has a role in iron homeostasis as a cofactor in ceruloplasmi Cerebrospinal fluid (CSF) allows for regulation of the distribution of substances between cells of the brain,<ref>{{cite journal|last1=Sakka|first1=L.|last2= ...85 KB (12,088 words) - 19:59, 7 October 2025
- ...the same.)</ref> The word ''enzyme'' was used later to refer to nonliving substances such as [[pepsin]], and the word ''ferment'' was used to refer to chemical ...acetylcholinesterase]], [[catalase]], [[fumarase]], [[β-lactamase]], and [[superoxide dismutase]].<ref name = "Stryer_2002"/>{{rp|8.4.2}} The turnover of such en ...99 KB (13,108 words) - 15:08, 6 October 2025
- ...al to mark the 10th anniversary of the signing of the Montreal Protocol on Substances that Deplete the Ozone Layer, September 16, 1987] |date=1998 |publisher=Klu ...|77|K}}, atomic [[hydrogen]] reacts with liquid ozone to form a hydrogen [[superoxide]] [[radical (chemistry)|radical]], which [[dimerizes]]:<ref name="Horvath M ...154 KB (21,981 words) - 05:04, 20 November 2025