• openAccess   Estimation of illicit drug use in the main cities of Colombia by means of urban wastewater analysis 

      Bijlsma, Lubertus; Botero-Coy, Ana Maria; Rincón, Rolando J.; Peñuela, Gustavo; Hernandez, Felix Elsevier (2016-09)
      Wastewater-based epidemiology (WBE) relies on the principle that traces of compounds, which a population is exposed to or consume, are excreted unchanged or as metabolites in urine and/or feces, and ultimately end up in ...
    • closedAccess   Improvements in analytical methodology for the determination of frequently consumed illicit drugs in urban wastewater 

      Bijlsma, Lubertus; Beltrán Iturat, Eduardo; Boix Sales, Clara; Sancho, Juan V; Hernandez, Felix Springer (2014-07)
      Rapid and sensitive analytical methodology based on ultra high-performance liquid chromatography-tandem mass spectrometry has been developed for the determination of widely consumed drugs of abuse (amphetamines, MDMA, ...
    • openAccess   Mass spectrometric strategies for the investigation of biomarkers of illicit drug use in wastewater 

      Hernandez, Felix; Castiglioni, Sara; Covaci, Adrian; de Voogt, Pim; Emke, Erik; Kasprzyk-Hordern, Barbara; Ort, Christoph; Reid, Malcolm; Vicente Sancho, Juan; Thomas, Kevin V.; van Nuijs, Alexander; Zuccato, Ettore; Bijlsma, Lubertus Wiley (2018)
      The analysis of illicit drugs in urban wastewater is the basis of wastewater‐based epidemiology (WBE), and has received much scientific attention because the concentrations measured can be used as a new non‐intrusive tool ...
    • openAccess   Performance of the linear ion trap Orbitrap mass analyzer for qualitative and quantitative analysis of drugs of abuse and relevant metabolites in sewage water 

      Bijlsma, Lubertus; Emke, Erik; Hernandez, Felix; de Voogt, Pim Elsevier (2013-03-20)
      This work illustrates the potential of liquid chromatography coupled to a hybrid linear ion trap Fourier Transform Orbitrap mass spectrometer for the simultaneous identification and quantification of 24 drugs of abuse and ...
    • openAccess   Risk assessment for drugs of abuse in the Dutch watercycle 

      Van der Aa, Monique; Bijlsma, Lubertus; Emke, Erik; Dijkman, Ellen; van Nuijs, Alexander; Van de Ven, Bianca; Hernandez, Felix; Versteegh, Hans; de Voogt, Pim Elsevier (2013-04)
      A screening campaign of drugs of abuse (DOA) and their relevant metabolites in the aqueous environment was performed in the Netherlands. The presence of DOA, together with the potential risks for the environment and the ...
    • openAccess   Spatial differences and temporal changes in illicit drug use in Europe quantified by wastewater analysis 

      Ort, Christoph; van Nuijs, Alexander; Berset, Jean-Daniel; Bijlsma, Lubertus; Castiglioni, Sara; Covaci, Adrian; de Voogt, Pim; Emke, Erik; Fatta-Kassinos, Despo; Griffiths, Paul; Hernandez, Felix; González-Mariño, Iria; Grabic, Roman; Kasprzyk-Hordern, Barbara; Mastroianni, Nicola; Meierjohann, Axel; Nefau, Thomas; Östman, Marcus; Picó Gracia, Yolanda; Racamonde, Inés; Reid, Malcolm; Slobodnik, Jaroslav; Terzic, Senka; Thomaidis, Nikolaos; Thomas, Kevin V. Wiley (2014-08)
      Aims To perform wastewater analyses to assess spatial differences and temporal changes of illicit drug use in a large European population. Design Analyses of raw wastewater over a 1-week period in 2012 and 2013. Setting ...