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dc.contributor.authorVonlanthen, S
dc.contributor.authorBrown, Murray
dc.contributor.authorTurner, Andrew
dc.date.accessioned2017-02-07T12:41:09Z
dc.date.available2017-02-07T12:41:09Z
dc.date.issued2011-01
dc.identifier.issn0963-9292
dc.identifier.issn1573-3017
dc.identifier.urihttp://hdl.handle.net/10026.1/8387
dc.description.abstract

The degradation of the synthetic, amphoteric surfactant, cocamidopropyl betaine (CAPB) and its toxicity to the marine macroalga, Ulva lactuca, has been evaluated using several different physiological test end-points over different periods of exposure up to 120 h. Droplet surface angle measurements revealed that, following a period of acclimation of about 24 h, CAPB began to degrade and that primary degradation was complete within 120 h. Effective quantum yield (∆F/F(m)') and relative growth rates (RGRs) were the most sensitive measures of phytotoxicity, with CAPB concentrations at and above 10 mg l(-1) eliciting irreversible, time-dependent and/or dose-dependent responses. Cell membrane damage, estimated from measurements of ion leakage, was detected only at a concentration of 40 mg l(-1) after 48 h of exposure to CAPB but by 120 h damage was evident at all measured concentrations above 10 mg l(-1). These observations suggest that both CAPB and its metabolites are intrinsically toxic to U. lactuca. The findings of this study are discussed in terms of the environmental consequences of applying CAPB to control harmful algal blooms.

dc.format.extent202-207
dc.format.mediumPrint-Electronic
dc.languageen
dc.language.isoeng
dc.publisherSpringer Science and Business Media LLC
dc.subjectSurfactants
dc.subjectCocamidopropyl betaine (CAPB)
dc.subjectUlva lactuca
dc.subjectToxicity
dc.titleToxicity of the amphoteric surfactant, cocamidopropyl betaine, to the marine macroalga, Ulva lactuca
dc.typejournal-article
dc.typeJournal Article
plymouth.author-urlhttps://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000286003700021&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=11bb513d99f797142bcfeffcc58ea008
plymouth.issue1
plymouth.volume20
plymouth.publication-statusPublished
plymouth.journalEcotoxicology
dc.identifier.doi10.1007/s10646-010-0571-3
plymouth.organisational-group/Plymouth
plymouth.organisational-group/Plymouth/Faculty of Science and Engineering
plymouth.organisational-group/Plymouth/Faculty of Science and Engineering/School of Geography, Earth and Environmental Sciences
plymouth.organisational-group/Plymouth/REF 2021 Researchers by UoA
plymouth.organisational-group/Plymouth/REF 2021 Researchers by UoA/UoA06 Agriculture, Veterinary and Food Science
plymouth.organisational-group/Plymouth/REF 2021 Researchers by UoA/UoA07 Earth Systems and Environmental Sciences
plymouth.organisational-group/Plymouth/Research Groups
plymouth.organisational-group/Plymouth/Research Groups/BEACh
plymouth.organisational-group/Plymouth/Research Groups/Marine Institute
plymouth.organisational-group/Plymouth/Users by role
plymouth.organisational-group/Plymouth/Users by role/Academics
dc.publisher.placeUnited States
dcterms.dateAccepted2010-11-03
dc.identifier.eissn1573-3017
dc.rights.embargoperiodNot known
rioxxterms.versionofrecord10.1007/s10646-010-0571-3
rioxxterms.licenseref.urihttp://www.rioxx.net/licenses/all-rights-reserved
rioxxterms.licenseref.startdate2011-01
rioxxterms.typeJournal Article/Review
plymouth.oa-locationhttp://10.0.3.239/s10646-010-0571-3


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