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Article: Individual and combined effects of cadmium and copper on the growth response of Chlorella vulgaris

TitleIndividual and combined effects of cadmium and copper on the growth response of Chlorella vulgaris
Authors
KeywordsCadmium
Chlorella Vulgaris
Combined Effect
Copper
Green Algae
Issue Date1999
PublisherJohn Wiley & Sons, Inc. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/10005202
Citation
Environmental Toxicology, 1999, v. 14 n. 3, p. 347-353 How to Cite?
AbstractThe individual and combined effects of cadmium and copper on the growth response of the green alga, Chlorella vulgaris, were examined. The effects of pH alone, and in combination with copper were also evaluated. An increase in cadmium and copper concentrations caused a significant reduction in the growth of C. vulgaris cells, and the corresponding EC 50 values were 1.02 and 4.01 mg L -1, respectively. For a pH range of 2-7, the inhibitory effect due to increased copper concentrations (coupled with the resulting drop in pH) was significantly higher than the impact due to increased acidity (by addition of HCl) alone. At lower metal concentrations (5 mg L -1 Cu + < 2 mg L -1 Cd or 2.5 mg L -1 Cd + < 4 mg L -1 Cu), a combination of copper and cadmium appeared to have a stronger inhibitory effect on cell growth than that of a single metal. In contrast, at higher metal concentrations (5 mg L -1 Cu + > 2 mg L -1 Cd or 2.5 mg L -1 Cd + > 4 mg L -1 Cu), the effect of a single metal exhibited a significantly stronger effect compared to a combination of the two metals.
Persistent Identifierhttp://hdl.handle.net/10722/178650
ISSN
2015 Impact Factor: 2.868
2015 SCImago Journal Rankings: 0.819
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLam, PKSen_US
dc.contributor.authorWut, PFen_US
dc.contributor.authorChan, ACWen_US
dc.contributor.authorWu, RSSen_US
dc.date.accessioned2012-12-19T09:48:56Z-
dc.date.available2012-12-19T09:48:56Z-
dc.date.issued1999en_US
dc.identifier.citationEnvironmental Toxicology, 1999, v. 14 n. 3, p. 347-353en_US
dc.identifier.issn1520-4081en_US
dc.identifier.urihttp://hdl.handle.net/10722/178650-
dc.description.abstractThe individual and combined effects of cadmium and copper on the growth response of the green alga, Chlorella vulgaris, were examined. The effects of pH alone, and in combination with copper were also evaluated. An increase in cadmium and copper concentrations caused a significant reduction in the growth of C. vulgaris cells, and the corresponding EC 50 values were 1.02 and 4.01 mg L -1, respectively. For a pH range of 2-7, the inhibitory effect due to increased copper concentrations (coupled with the resulting drop in pH) was significantly higher than the impact due to increased acidity (by addition of HCl) alone. At lower metal concentrations (5 mg L -1 Cu + < 2 mg L -1 Cd or 2.5 mg L -1 Cd + < 4 mg L -1 Cu), a combination of copper and cadmium appeared to have a stronger inhibitory effect on cell growth than that of a single metal. In contrast, at higher metal concentrations (5 mg L -1 Cu + > 2 mg L -1 Cd or 2.5 mg L -1 Cd + > 4 mg L -1 Cu), the effect of a single metal exhibited a significantly stronger effect compared to a combination of the two metals.en_US
dc.languageengen_US
dc.publisherJohn Wiley & Sons, Inc. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/10005202en_US
dc.relation.ispartofEnvironmental Toxicologyen_US
dc.subjectCadmiumen_US
dc.subjectChlorella Vulgarisen_US
dc.subjectCombined Effecten_US
dc.subjectCopperen_US
dc.subjectGreen Algaeen_US
dc.titleIndividual and combined effects of cadmium and copper on the growth response of Chlorella vulgarisen_US
dc.typeArticleen_US
dc.identifier.emailWu, RSS: rudolfwu@hku.hken_US
dc.identifier.authorityWu, RSS=rp01398en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1002/(SICI)1522-7278(199907)14:3<347::AID-TOX8>3.0.CO;2-Ten_US
dc.identifier.scopuseid_2-s2.0-0032783893en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0032783893&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume14en_US
dc.identifier.issue3en_US
dc.identifier.spage347en_US
dc.identifier.epage353en_US
dc.identifier.isiWOS:000081094100008-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridLam, PKS=7202365776en_US
dc.identifier.scopusauthoridWut, PF=35123129200en_US
dc.identifier.scopusauthoridChan, ACW=55465260200en_US
dc.identifier.scopusauthoridWu, RSS=7402945079en_US

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