Colloids as a sink for certain pharmaceuticals in the aquatic environment |
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Authors: | Khalid Maskaoui John L Zhou |
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Institution: | (1) School of Life Sciences, University of Sussex, Falmer, Brighton, BN1 9QG, UK;(2) School of Life Sciences, University of Sussex, Falmer, Brighton, BN1 9QG, UK; |
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Abstract: | Background, aim, and scope The occurrence and fate of pharmaceuticals in the aquatic environment is recognized as one of the emerging issues in environmental
chemistry and as a matter of public concern. Existing data tend to focus on the concentrations of pharmaceuticals in the aqueous
phase, with limited studies on their concentrations in particulate phase such as sediments. Furthermore, current water quality
monitoring does not differentiate between soluble and colloidal phases in water samples, hindering our understanding of the
bioavailability and bioaccumulation of pharmaceuticals in aquatic organisms. In this study, an investigation was conducted
into the concentrations and phase association (soluble, colloidal, suspended particulate matter or SPM) of selected pharmaceuticals
(propranolol, sulfamethoxazole, meberverine, thioridazine, carbamazepine, tamoxifen, indomethacine, diclofenac, and meclofenamic
acid) in river water, effluents from sewage treatment works (STW), and groundwater in the UK. |
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Keywords: | |
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