Acute toxicity of the dissociating veterinary antibiotics trimethoprim to Willow trees at varying pH.
Identifieur interne : 001736 ( Main/Exploration ); précédent : 001735; suivant : 001737Acute toxicity of the dissociating veterinary antibiotics trimethoprim to Willow trees at varying pH.
Auteurs : Ondrej Mikes [République tchèque] ; Stefan TrappSource :
- Bulletin of environmental contamination and toxicology [ 1432-0800 ] ; 2010.
Descripteurs français
- KwdFr :
- Antibactériens (toxicité), Concentration en ions d'hydrogène (MeSH), Médicaments vétérinaires (toxicité), Polluants du sol (toxicité), Salix (effets des médicaments et des substances chimiques), Tests de toxicité aigüe (MeSH), Transpiration des plantes (effets des médicaments et des substances chimiques), Triméthoprime (toxicité).
- MESH :
- effets des médicaments et des substances chimiques : Salix, Transpiration des plantes.
- toxicité : Antibactériens, Médicaments vétérinaires, Polluants du sol, Triméthoprime.
- Concentration en ions d'hydrogène, Tests de toxicité aigüe.
English descriptors
- KwdEn :
- MESH :
- chemical , toxicity : Anti-Bacterial Agents, Soil Pollutants, Trimethoprim, Veterinary Drugs.
- drug effects : Plant Transpiration, Salix.
- Hydrogen-Ion Concentration, Toxicity Tests, Acute.
Abstract
The willow tree acute toxicity test was applied to determine the acute toxicity of the neutral and the ionic form of the antibiotic trimethoprim (TMP) to trees. The pKa of the weak base TMP is at 7.2, and the toxicity testing was done at low (pH 4.3), medium (pH 6.4) and high pH (pH 8.15). The test gave toxic effects, i.e. reduced transpiration at an external concentration of 100 mg/L TMP at medium and high pH, where the neutral form of TMP dominates. At an external concentration of 1,000 mg/L, also at low pH an effect occurred, but it was less pronounced than at medium pH.
DOI: 10.1007/s00128-010-0150-6
PubMed: 21088823
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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<country xml:lang="fr">République tchèque</country>
<wicri:regionArea>Masaryk University, Faculty of Science, Research Centre for Toxic Compounds in the Environment, RECETOX, Kamenice 126, Brno</wicri:regionArea>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Anti-Bacterial Agents (toxicity)</term>
<term>Hydrogen-Ion Concentration (MeSH)</term>
<term>Plant Transpiration (drug effects)</term>
<term>Salix (drug effects)</term>
<term>Soil Pollutants (toxicity)</term>
<term>Toxicity Tests, Acute (MeSH)</term>
<term>Trimethoprim (toxicity)</term>
<term>Veterinary Drugs (toxicity)</term>
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<keywords scheme="KwdFr" xml:lang="fr"><term>Antibactériens (toxicité)</term>
<term>Concentration en ions d'hydrogène (MeSH)</term>
<term>Médicaments vétérinaires (toxicité)</term>
<term>Polluants du sol (toxicité)</term>
<term>Salix (effets des médicaments et des substances chimiques)</term>
<term>Tests de toxicité aigüe (MeSH)</term>
<term>Transpiration des plantes (effets des médicaments et des substances chimiques)</term>
<term>Triméthoprime (toxicité)</term>
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<keywords scheme="MESH" type="chemical" qualifier="toxicity" xml:lang="en"><term>Anti-Bacterial Agents</term>
<term>Soil Pollutants</term>
<term>Trimethoprim</term>
<term>Veterinary Drugs</term>
</keywords>
<keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Plant Transpiration</term>
<term>Salix</term>
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<term>Médicaments vétérinaires</term>
<term>Polluants du sol</term>
<term>Triméthoprime</term>
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<keywords scheme="MESH" xml:lang="en"><term>Hydrogen-Ion Concentration</term>
<term>Toxicity Tests, Acute</term>
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<front><div type="abstract" xml:lang="en">The willow tree acute toxicity test was applied to determine the acute toxicity of the neutral and the ionic form of the antibiotic trimethoprim (TMP) to trees. The pKa of the weak base TMP is at 7.2, and the toxicity testing was done at low (pH 4.3), medium (pH 6.4) and high pH (pH 8.15). The test gave toxic effects, i.e. reduced transpiration at an external concentration of 100 mg/L TMP at medium and high pH, where the neutral form of TMP dominates. At an external concentration of 1,000 mg/L, also at low pH an effect occurred, but it was less pronounced than at medium pH.</div>
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<DateRevised><Year>2013</Year>
<Month>11</Month>
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<Title>Bulletin of environmental contamination and toxicology</Title>
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<ArticleTitle>Acute toxicity of the dissociating veterinary antibiotics trimethoprim to Willow trees at varying pH.</ArticleTitle>
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<Abstract><AbstractText>The willow tree acute toxicity test was applied to determine the acute toxicity of the neutral and the ionic form of the antibiotic trimethoprim (TMP) to trees. The pKa of the weak base TMP is at 7.2, and the toxicity testing was done at low (pH 4.3), medium (pH 6.4) and high pH (pH 8.15). The test gave toxic effects, i.e. reduced transpiration at an external concentration of 100 mg/L TMP at medium and high pH, where the neutral form of TMP dominates. At an external concentration of 1,000 mg/L, also at low pH an effect occurred, but it was less pronounced than at medium pH.</AbstractText>
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