any of certain metal oxides that contain the O2– ion
potassium superoxide, KO2
superoxide in American English
(ˌsupərˈɑksaɪd)
noun
a compound containing the paramagnetic, monovalent, negative free radical O2
Examples of 'superoxide' in a sentence
superoxide
Catalase and superoxide dismutase decreased in infarcted animals, and zinc increased its activity.
Andrea F. Gonçalves, Bertha F. Polegato, Ana Angélica Fernandes, Larissa Lumi Ishikawa,Katashi Okoshi, Silméia G. Z. Bazan, Marcos F. Minicucci, Paula S. Azevedo, Maura R.Ikoma, Marcimara Penitenti, Fernanda Chiuso-Minicucci, Sergio A. R Paiva, Leonardo A. M.Zornoff 2018, 'Zinc Supplementation Attenuates Cardiac Remodeling After Experimental Myocardial Infarction',Cellular Physiology and Biochemistryhttps://www.karger.com/Article/FullText/494011. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Initial rates of superoxide generation were high, decreasing steadily and ceasing about 2 h post-treatment.
C. Pompeia, M.F. Cury-Boaventura, R. Curi 2003, 'Arachidonic acid triggers an oxidative burst in leukocytes', Brazilian Journal of Medical and Biological Researchhttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2003001100013. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Temporally, superoxide production varied minimally in controls.
Scott R Welak, Rebecca M Rentea, Ru-Jeng Teng, Nathan Heinzerling, Ben Biesterveld,Jennifer L Liedel, Kirkwood A Pritchard, Katherine M Fredrich, David M Gourlay 2014, 'Intestinal NADPH oxidase 2 activity increases in a neonatal rat model of necrotizingenterocolitis.', PLoS ONEhttp://europepmc.org/articles/PMC4269454?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Changes in superoxide levels on days 0-4 were measured.
Scott R Welak, Rebecca M Rentea, Ru-Jeng Teng, Nathan Heinzerling, Ben Biesterveld,Jennifer L Liedel, Kirkwood A Pritchard, Katherine M Fredrich, David M Gourlay 2014, 'Intestinal NADPH oxidase 2 activity increases in a neonatal rat model of necrotizingenterocolitis.', PLoS ONEhttp://europepmc.org/articles/PMC4269454?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
There was a significant decrease in skeletal muscle total antioxidants and superoxide dismutase levels.
Appukutty Mahenderan, Radhakrishnan Ammu Kutty, Ramasamy Kalavathy, Ramasamy Rajesh,Abdul Majeed Abu Bakar, Noor Mohd Ismail, Safii Nik Shanita, Koon Poh Bee, ChinnaKaruthan, Haleagrahara Nagaraja 2012, 'Colostrum supplementation protects against exercise - induced oxidative stress inskeletal muscle in mice', BMC Research Noteshttp://www.biomedcentral.com/1756-0500/5/649. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Hepatic morphology and superoxide anion levels were evaluated.
Lishan Zhou, Deliang Liu, Zhiwei Wang, Hui Dong, Xiaohu Xu, Shunchang Zhou 2018, 'Establishment and Comparison of Juvenile Female Mouse Models of Nonalcoholic FattyLiver Disease and Nonalcoholic Steatohepatitis', Gastroenterology Research and Practicehttp://dx.doi.org/10.1155/2018/8929620. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Induction of superoxide dismutase resulted in an 18-fold increase in cellular activity.
Kelly John M, Taylor Martin C 2006, 'pTcINDEX: a stable tetracycline-regulated expression vector for Trypanosoma cruzi',BMC Biotechnologyhttp://www.biomedcentral.com/1472-6750/6/32. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)