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Screening of human and veterinary pharmaceuticals in estuarine waters: A baseline assessment for the Tejo estuary

Reis-Santos, Patrick et al.

Marine pollution bulletin. Volume 135: (2018, October); pp 1079-1084 -- Elsevier Science

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  • Title:
    Screening of human and veterinary pharmaceuticals in estuarine waters: A baseline assessment for the Tejo estuary
  • Author: Reis-Santos, Patrick;
    Pais, Miguel;
    Duarte, Bernardo;
    Caçador, Isabel;
    Freitas, Andreia;
    Vila Pouca, Ana S.;
    Barbosa, Jorge;
    Leston, Sara;
    Rosa, João;
    Ramos, Fernando;
    Cabral, Henrique N.;
    Gillanders, Bronwyn M.;
    Fonseca, Vanessa F.
  • Found In: Marine pollution bulletin. Volume 135: (2018, October); pp 1079-1084
  • Journal Title: Marine pollution bulletin
  • Subjects: Mer--Pollution--Périodiques; Marine Biology--Periodicals; Water Pollution--Periodicals; Electronic journals; Marine pollution--Periodicals; Lutte antipollution; Pollution des mers; Publications périodiques; Emerging contaminants--Water framework directive--Pharmaceuticals--Surface waters--Estuary--Portugal; Dewey: 363.7394
  • Rights: Licensed
  • Publication Details: Elsevier Science
  • Abstract: Abstract We investigated the presence of 66 human and veterinary pharmaceuticals from seven therapeutic groups in surface waters of the Tejo estuary. Collection sites covered the entire estuary and included areas near main river inflows and wastewater treatment outfalls, traversing urban, agriculture, aquaculture, and nature reserve areas. Detection of pharmaceuticals was performed via UHPLC-TOF-MS. Pharmaceuticals were found in all sites (32 different compounds in total). Antibiotics, β-blockers, antihypertensives and anti-inflammatories were the most frequently detected (>90%), with variation in concentrations reflecting the multifaceted nature of estuarine surroundings (accumulated site contamination between 15 and 351 ng L −1 ). Higher concentrations of antidepressant Sertraline (304 ng L −1 ), non-steroidal anti-inflammatory Diclofenac (51.8 ng L −1 ), lipid regulator Gemfibrozil (77.0 ng L −1 ), antihypertensive Ibersartan (161.9 ng L −1 ) or antibiotic Doxycycline (128.0 ng L −1 ), among others, though localized may potentially impact key estuarine functions or services. Ultimately, results provide a baseline for regulatory information and future biota evaluations. Highlights Estuarine waters were screened for 66 human and veterinary pharmaceuticals. Sampling covered the entire estuary. 32 different compounds were found in estuarine surface waters. Pharmaceuticals were detected at all sites but concentrations varied markedly. Sertraline, Ibersartan, Doxicicline, and Diclofenac had highest concentrations.
  • Identifier: System Number: ETOCvdc_100083363934.0x000001; Journal ISSN: 0025-326X; 10.1016/j.marpolbul.2018.08.036
  • Publication Date: 2018
  • Physical Description: Electronic
  • Shelfmark(s): 5377.500000
  • UIN: ETOCvdc_100083363934.0x000001

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