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Influence of humic acids on the toxicity of cadmium to Lumbriculus variegatus
Piol, María N; López, Ana G; Miño, Leila A; Afonso, María S; Guerrero, Noemí R. V.
  • Piol, María N; Universidad de Buenos Aires. Facultad de Ciecias Exactas y Naturales. Departamento de Química Biológica. AR
  • López, Ana G; Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Inórganica, Analítica y Química Física. AR
  • Miño, Leila A; Universidad de Buenos Aires. Facultad de Ciecias Exactas y Naturales. Departamento de Química Biológica. AR
  • Afonso, María S; Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Inórganica, Analítica y Química Física. AR
  • Guerrero, Noemí R. V; Universidad de Buenos Aires. Facultad de Ciecias Exactas y Naturales. Departamento de Química Biológica. AR
Rev. bras. toxicol ; 18(2): 93-98, 2005. tab, graf
Article in English | LILACS | ID: lil-435870
ABSTRACT
The effects of dissolved humic concentrations on the uptake and toxicity of cadmium using the freshwater oligochaete Lumbriculus variegatus as a sentinel monitor of environmental pollution were investigated. Acute static bioassays were performed and the data showed that both the uptake and lethality of cadmium decreaed with increasing humic acid concentrations. These results confirm that free cationic species correlate better than total dissolved metal concentration with cadmium bioavailability and toxicity...
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Index: LILACS (Americas) Main subject: Oligochaeta / Cadmium / Cadmium Poisoning / Biological Availability / Bioaccumulation / Humic Substances Limits: Animals Language: English Journal: Rev. bras. toxicol Journal subject: Toxicology Year: 2005 Type: Article Affiliation country: Argentina Institution/Affiliation country: Universidad de Buenos Aires/AR

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Index: LILACS (Americas) Main subject: Oligochaeta / Cadmium / Cadmium Poisoning / Biological Availability / Bioaccumulation / Humic Substances Limits: Animals Language: English Journal: Rev. bras. toxicol Journal subject: Toxicology Year: 2005 Type: Article Affiliation country: Argentina Institution/Affiliation country: Universidad de Buenos Aires/AR