{"refrec":{"BRefID":258741,"RR":"Marques, D.; Esteves, A.I.; Almeida, M.; Xavier, J.; Humanes, M. (2008). Superoxide dismutase in the marine sponge Cliona celata. Mar. Biol. (Berl.) 153(5): 807-813. http://dx.doi.org/10.1007/s00227-007-0853-3","BEntID":250750,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". Mar. Biol. (Berl.) 153(5): 807-813. http://dx.doi.org/10.1007/s00227-007-0853-3","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Marques, D.; Esteves, A.I.; Almeida, M.; Xavier, J.; Humanes, M.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Marques, D. et al.","Englishabstract":"The aim of this work is to investigate the activity of the antioxidant enzyme superoxide dismutase in the cosmopolitan sponge Cliona celata (Grant, 1826), since this enzyme has been described as a useful biomarker for marine pollution in other marine invertebrates. The quantification of the catalytic activity for superoxide dismutase is quite complex because its substrate is an unstable free radical. Several methods have been developed for this enzymatic activity determination; most of them are based on inhibition of a redox reaction involving the superoxide radical. In this work, two methods are compared, for crude sponge extracts, as far as repeatability, reproducibility and sensibility are concerned. The adrenaline oxidation method seems to be the most adequate for these determinations. Statistical treatment of the data indicates that the reference value for the specific superoxide dismutase activity in C. celata should be in the interval [0–535.5] U/mg of total protein in wet tissues, for normal populations.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Superoxide dismutase in the marine sponge Cliona celata","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-05-02 01:32:29.025789","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2008,"MonPub":null,"DateUpdate":"2016-06-13","DateCreate":"2016-06-13","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000252875500006","VABBcode":null,"OpenAcc":0,"DOI":"10.1007/s00227-007-0853-3"},"refs":null,"anarec":{"AnaID":258741,"PubliDate":2008,"Pagination":"807-813","XtraPublOfAnaID":null,"ISBN":null,"Volume":"153","Issue":"5","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43352,"SerRR":"Marine Biology: International Journal on Life in Oceans and Coastal Waters. 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