Toxicity of lanthanum oxide (La2O3) nanoparticles in aquatic environments

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buir.contributor.authorUyar, Tamer
buir.contributor.orcidUyar, Tamer|0000-0002-3989-4481
dc.citation.epage1270en_US
dc.citation.issueNumber7en_US
dc.citation.spage1265en_US
dc.citation.volumeNumber17en_US
dc.contributor.authorBalusamy, B.en_US
dc.contributor.authorTaştan, B. E.en_US
dc.contributor.authorErgen, S. F.en_US
dc.contributor.authorUyar, Tameren_US
dc.contributor.authorTekinay, T.en_US
dc.date.accessioned2016-02-08T10:05:15Z
dc.date.available2016-02-08T10:05:15Z
dc.date.issued2015en_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.departmentNanotechnology Research Center (NANOTAM)en_US
dc.description.abstractThis study demonstrates the acute toxicity of lanthanum oxide nanoparticles (La2O3 NP) on two sentinel aquatic species, fresh-water microalgae Chlorella sp. and the crustacean Daphnia magna. The morphology, size and charge of the nanoparticles were systematically studied. The algal growth inhibition assay confirmed absence of toxic effects of La2O3 NP on Chlorella sp., even at higher concentration (1000 mg L-1) after 72 h exposure. Similarly, no significant toxic effects were observed on D. magna at concentrations of 250 mg L-1 or less, and considerable toxic effects were noted in higher concentrations (effective concentration [EC50] 500 mg L-1; lethal dose [LD50] 1000 mg L-1). In addition, attachment of La2O3 NP on aquatic species was demonstrated using microscopy analysis. This study proved to be beneficial in understanding acute toxicity in order to provide environmental protection as part of risk assessment strategies.en_US
dc.description.provenanceMade available in DSpace on 2016-02-08T10:05:15Z (GMT). No. of bitstreams: 1 bilkent-research-paper.pdf: 70227 bytes, checksum: 26e812c6f5156f83f0e77b261a471b5a (MD5) Previous issue date: 2015en_US
dc.identifier.doi10.1039/c5em00035aen_US
dc.identifier.issn2050-7887
dc.identifier.urihttp://hdl.handle.net/11693/22825
dc.language.isoEnglishen_US
dc.publisherRoyal Society of Chemistryen_US
dc.relation.isversionofhttp://dx.doi.org/10.1039/c5em00035aen_US
dc.source.titleEnvironmental Science: Processes and Impactsen_US
dc.subjectLanthanum oxideen_US
dc.subjectNanoparticleen_US
dc.subjectFresh wateren_US
dc.subjectLanthanumen_US
dc.subjectLanthanum oxideen_US
dc.subjectNanoparticleen_US
dc.subjectOxideen_US
dc.subjectWater pollutanten_US
dc.subjectAcute toxicityen_US
dc.subjectAlgal growthen_US
dc.subjectAquatic environmenten_US
dc.subjectArticleen_US
dc.subjectBehavior changeen_US
dc.subjectChlorellaen_US
dc.subjectDaphnia magnaen_US
dc.subjectEC50en_US
dc.subjectEcotoxicityen_US
dc.subjectEnvironmental protectionen_US
dc.subjectGrowth inhibitionen_US
dc.subjectLethal doseen_US
dc.subjectMicroscopyen_US
dc.subjectMorphologyen_US
dc.subjectNonhumanen_US
dc.subjectPriority journalen_US
dc.subjectScanning electron microscopyen_US
dc.subjectAnimalen_US
dc.subjectDaphniaen_US
dc.subjectGreen algaen_US
dc.subjectMicroalgaen_US
dc.subjectToxicityen_US
dc.subjectToxicity testingen_US
dc.subjectWater pollutanten_US
dc.subjectAlgaeen_US
dc.subjectChlorella sp.en_US
dc.subjectCrustaceaen_US
dc.subjectDaphnia magnaen_US
dc.subjectAnimalsen_US
dc.subjectChlorophytaen_US
dc.subjectDaphniaen_US
dc.subjectFresh Wateren_US
dc.subjectLanthanumen_US
dc.subjectMicroalgaeen_US
dc.subjectNanoparticlesen_US
dc.subjectOxidesen_US
dc.subjectToxicity Testsen_US
dc.subjectWater Pollutantsen_US
dc.titleToxicity of lanthanum oxide (La2O3) nanoparticles in aquatic environmentsen_US
dc.typeArticleen_US

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