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Title: Determination of androgens and progestogens in environmental and biological samples using fabric phase sorptive extraction coupled to ultra-high performance liquid chromatography tandem mass spectrometry
Authors: Guedes-Alonso, Rayco 
Ciofi, Lorenzo
Sosa-Ferrera, Zoraida 
Santana-Rodríguez, José Juan 
Del Bubba, Massimo
Kabir, Abuzar
Furton, Kenneth G.
UNESCO Clasification: 251002 Oceanografía química
251092 Acuicultura marina
Keywords: Androgens
Endocrine disrupting compounds
Ultra high performance liquid chromatography
Urine, et al
Issue Date: 2016
Journal: Journal of Chromatography A 
Abstract: Androgens and progestogens are two important groups of endocrine disrupting compounds (EDCs) which are implicated to produce severe detrimental impact over aquatic biota, even at very low concentrations of ng L-1. For this reason, one of the major challenges to analytical chemists is the development of sensitive and selective extraction processes which allow the rapid and green determination of these emerging pollutants at low concentrations in environmental samples. Fabric phase sorptive extraction is a new, highly sensitive, efficient and solvent minimized technique which combine the advantages of sol-gel derived microextraction sorbents and the rich surface chemistry of cellulose fabric substrate. This process has several advantages such as minimum usage of organic solvents, short extraction times, small sample volumes and high analyte preconcentration factors. In this study, an extraction method based on sorptive fabric phase coupled to ultra-high-performance liquid chromatography tandem mass spectrometry detection (FPSE-UHPLC-MS/MS) has been developed for the determination of four progestogens and six androgens in environmental and biological samples. All the parameters involved in the extraction, such as sample volume, extraction and desorption times, desorption solvent volume and sample pH values have been optimized. The developed method provides satisfactory limits of detection (between 1.7 and 264 ng L-1), good recoveries and low relative standard deviations (below 10% in tap and osmosis water and below 20% in wastewater and urine). Subsequently, the method was used to analyse tap water, wastewater treated with different processing technologies and urine samples. The concentrations of the detected hormones ranged from 28.3 to 227.3 ng L-1in water samples and from 1.1 to 3.7 μg L-1in urine samples.
ISSN: 0021-9673
DOI: 10.1016/j.chroma.2016.01.077
Source: Journal of Chromatography A[ISSN 0021-9673],v. 1437, p. 116-126
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