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Contaminantes emergentes: determinación de fármacos antihipertensivos en aguas superficiales

Authors: Garrido, E.; Martín Bueno, Julia; Santos Morcillo, Juan Luis; Aparicio Gómez, Irene; Alonso Álvarez, Esteban;

Contaminantes emergentes: determinación de fármacos antihipertensivos en aguas superficiales

Abstract

Estudios recientes han mostrado la presencia de un amplio grupo de principios activos farmacológicos en el medioambiente procedentes principalmente de la descarga de estaciones depuradoras de aguas residuales. Entre ellos, son de especial interés aquellos empleados en el tratamiento de enfermedades crónicas, como los fármacos antihipertensivos, no sólo debido a su consumo continuado, sino además a su potente mecanismo de acción, lo que los hace especialmente peligrosos para el medioambiente. En este trabajo se ha optimizado y validado una metodología analítica, basada en la extracción en fase sólida y determinación mediante cromatografía líquida con detector de espectrometría de masas de triple cuadrupolo, para la determinación de los tres fármacos antihipertensivos más consumidos (irbesartán, telmisartán y valsartán) en aguas superficiales. Las recuperaciones obtenidas se situaron entre el 84 y el 101 %. La precisión, medida en unidades de desviación estándar relativa, fue inferior al 10 % y los límites de detección se situaron entre 0.24 y 2.01 ng/L.

Recent studies have reported the presence of a broad spectrum of pharmaceutical compounds in several environmental compartments, where they mainly end up due to discharges of effluent wastewater. Among them, pharmaceuticals designed to treat chronic diseases, including hypertensive pharmaceuticals, are of special interest, not only due to its continued consumption, but also for their potent mechanism of action, which makes them especially dangerous for the environment. In this work, an analytical method, based on solid phase extraction and determination by liquid chromatography with triple quadrupole mass spectrometry detector, has been optimized and validated for the determination of three of the most consumed antihypertensive pharmaceuticals (irbesartan, telmisartan and valsartan) on surface water samples. The recoveries obtained were between 84 and 101%. Precision, expressed as relative standard deviation, was < 10%, and limits of detection were between 0.24 and 2.01 ng/L.

Ministerio de Economía y Competitividad. Proyecto CGL2013-44402-R

Country
Spain
Related Organizations
Keywords

Surface waters, Cromatografía líquida acoplada a espectrometría de masas, Aguas superficiales, Liquid chromatography-mass spectrometry, Antihypertensive drugs, Fármacos antihipertensivos

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green