• closedAccess   Analytical investigation of cannabis biomarkers in raw urban wastewater to refine consumption estimates 

      Campos-Mañas, Marina Celia; Van Wichelen, Natan; Covaci, Adrian; van Nuijs, Alexander; Ort, Christoph; Been, Frederic; Castiglioni, Sara; Hernandez, Felix; Bijlsma, Lubertus Elsevier (2022-08)
      Wastewater analysis of Δ9-tetrahydrocannabinol (THC) biomarkers can provide essential information on trends in cannabis consumption. Although analysis is mostly focused on the aqueous phase, previous studies have illustrated ...
    • openAccess   Changes in drug use in European cities during early COVID-19 lockdowns ? A snapshot from wastewater analysis 

      Been, Frederic; Emke, Erik; Matias, Joao Luis; Baz Lomba, Jose Antonio; Boogaerts, Tim; Castiglioni, Sara; Campos-Mañas, Marina Celia; Celma, Alberto; Covaci, Adrian; de Voogt, Pim; Hernandez, Felix; Kasprzyk-Hordern, Barbara; ter Laak, Thomas; Reid, Malcolm; Salgueiro-González, Noelia; Steenbeek, Ruud; van Nuijs, Alexander; Zuccato, Ettore; Bijlsma, Lubertus Elsevier (2021-03-26)
      The COVID-19 outbreak has forced countries to introduce severe restrictive measures to contain its spread. In particular, physical distancing and restriction of movement have had important consequences on human behaviour ...