{"refrec":{"BRefID":261795,"RR":"<b>Warnau, M.; Fowler, S.W.; Teyssié, J.-L.</b> (1999). Biokinetics of radiocobalt in the asteroid <i>Asterias rubens</i> (Echinodermata): sea water and food exposures. <i>Mar. Pollut. Bull. 39(1-12)</i>: 159-164. <a href=\"https://dx.doi.org/10.1016/S0025-326X(98)00179-9\" target=\"_blank\">https://dx.doi.org/10.1016/S0025-326X(98)00179-9</a>","BEntID":253813,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Mar. Pollut. Bull. 39(1-12)</i>: 159-164. <a href=\"https://dx.doi.org/10.1016/S0025-326X(98)00179-9\" target=\"_blank\">https://dx.doi.org/10.1016/S0025-326X(98)00179-9</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Warnau, M.; Fowler, S.W.; Teyssié, J.-L.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Warnau, M.; Fowler, S.W.; Teyssié, J.-L.","Englishabstract":"Uptake and loss of cobalt-57 were investigated in the starfish <i>Asterias</i><i>rubens</i>, in order to assess its value as a sentinel organism for nearshore radionuclide contamination. Whole-body uptake from sea water was linear over a 32-day exposure period and reached wet weight concentration factor (CF) of 23 ± 5. Bioaccumulation of <sup>57</sup>Co was dependent upon body compartment, the aboral part of the body wall concentrating cobalt to the greatest degree (wet weight CF: 77 ± 16). After restoration of uncontaminated conditions, radiocobalt was released following an exponential loss kinetics characterized by a biological half-life (<i>T</i><sub>b1/2</sub>) of 27 ± 6 day. Dietary radiocobalt (taken up during a short-term feeding for 24 h on radiolabelled mussels) showed a much more rapid turnover time (<i>T</i><sub>b1/2</sub>: 14 ± 4 d), suggesting that <i>A.</i><i>rubens</i> accumulates this radionuclide predominantly from sea water. <i>A.</i><i>rubens</i>, and more particularly the aboral part of its body wall, would readily reveal the presence of an environmental contamination by radiocobalt and could preserve this information over a period of few months.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Biokinetics of radiocobalt in the asteroid <i>Asterias rubens</i> (Echinodermata): sea water and food exposures","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-17 01:32:08.960302","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":1999,"MonPub":null,"DateUpdate":"2022-07-12","DateCreate":"2016-10-03","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000083356500022","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/S0025-326X(98)00179-9"},"refs":null,"anarec":{"AnaID":261795,"PubliDate":1999,"Pagination":"159-164","XtraPublOfAnaID":null,"ISBN":null,"Volume":"39","Issue":"1-12","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43520,"SerRR":"Marine Pollution Bulletin. Macmillan: London.  ISSN 0025-326X; e-ISSN 1879-3363","StandardTitleSer":"Marine Pollution Bulletin","ISSN":"0025-326X","AbbrevSer":"Mar. Pollut. 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