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Título: | The role of earthworms in soil biochemistry: effects of valsartan on different enzymatic biomarkers |
Autor: | Nos, David CSIC ; Sánchez-Hernández, Juan C.; Montemurro, Nicola CSIC ORCID CVN; Joedicke, J.; Pérez Solsona, Sandra CSIC ORCID ; Solé, Montserrat CSIC ORCID | Fecha de publicación: | 16-jun-2019 | Citación: | 17th International Conference on Chemistry and the Environment : Conference proceedings: 394-396 (2019) | Resumen: | Environmental fate and toxicity of pharmaceuticals and personal care products (PPCPs) continue to be a topic of current concern for environmental regulatory agencies. These chemicals are not totally removed by the wastewater treatment plants, so residues are generally detected in their effluents. Valsartan©, an antihypertensive drug, is often found at high concentrations (0.06-0.6μg/l) in wastewater treatment plant effluents, which means that the use of reclaimed wastewater in farmland could be a serious risk to soil quality and cropping. [...] [Poster] The antihypertensive valsartan is usually found in wastewater. This pharmaceutical cannot be completely eliminated in wastewater treatment plants, reaching high concentrations (0.06-0.6 ¿g/l) in effluents. Therefore, the use of reclaimed water in farmlands is a potential risk for human health, affecting soil quality and cropping. We hypothesise that the earthworm L. terrestris contributes to degradation of Valsartan and, mitigate its impact on soil microbial and biochemical processes. The experiment consisted in four conditions (Control soil, Soil+Worms, Soil+Valsartan and Soil+Worms+Valsartan), with the spiked soils with Valsartan at a concentration of 5 mg/kg of dry soil. We measured biomarkers of exposure in worms, where AChE showed no effect but Carboxylesterases and GST were strongly inhibited 7 days after exposure. Soil biomarkers showed that CE and alkaline phosphatase activity increased after 7 days of incubation, and the soil quality was higher in those conditions were worms were present. Pending of chemical analysis of residues of valsartan in soil. This study shows that L. terrestris could be a potential tool for the bioremediation of soil pollution | Descripción: | 17th International Conference on Chemistry and the Environment (ICCE 2019), 16-20 June 2019, Thessaloniki, Greece.-- 3 pages, 2 figures.-- Poster: 1 page, 4 figures | URI: | http://hdl.handle.net/10261/205956 |
Aparece en las colecciones: | (ICM) Comunicaciones congresos (IDAEA) Comunicaciones congresos |
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