6533b836fe1ef96bd12a0b79

RESEARCH PRODUCT

Estimation of the presence of unmetabolized dialkyl phthalates in untreated human urine by an on-line miniaturized reliable method

Pilar Campíns-falcóN. Jornet-martínezC. Antón-soriano

subject

Detection limitendocrine systemEnvironmental EngineeringChromatographyMetabolitePhthalic AcidsPhthalateEnvironmental ExposureUrineUrinalysisContaminationPollutionDiode arraychemistry.chemical_compoundKey factorschemistryHuman exposureHumansEnvironmental ChemistryEnvironmental PollutantsWaste Management and Disposal

description

Abstract At present, human exposure to dialkyl phthalates is assessed through urinary measurement of their metabolites due mainly to contamination in their analysis by their ubiquitous presence. An on-line miniaturized method and the processing of the untreated urine samples have been the key factors for minimizing contamination and achieving unbiased results. Di(2-ethylhexyl) (DEHP), diethyl (DEP), dibutyl (DBP) and mono-ethylhexyl (MEHP) phthalates in urine samples have been included in the study; MEHP as metabolite of the main dialkyl phthalate such as DEHP. On-line in-tube solid-phase microextraction (IT-SPME)-capillary liquid chromatography (CapLC) with diode array detection (DAD) is employed. The detection limits (LODs) achieved in urine were between 0.5 and 1.5 μg/L. Eighteen urines were processed. DBP and DEHP were found in nine and five samples, respectively and DEP in three of them. MEHP was only detected in one of the eighteen samples analyzed.

yearjournalcountryeditionlanguage
2015-04-09Science of The Total Environment
https://doi.org/10.1016/j.scitotenv.2015.05.124