Phytoremediation of pharmaceuticals with salix exigua

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dc.contributor.authorFranks, Carmen G.
dc.contributor.authorUniversity of Lethbridge. Faculty of Arts and Science
dc.contributor.supervisorRood, Stewart B.
dc.date.accessioned2007-11-29T16:31:52Z
dc.date.available2007-11-29T16:31:52Z
dc.date.issued2006
dc.degree.levelMasters
dc.descriptionxv, 216 leaves ; 29 cm.en
dc.description.abstractMunicipal treated wastewater entering rivers contain biologically active pharmaceuticals capable of inducing effects in aquatic life. Phytoremediation of three of these pharmaceuticals and an herbicide was investigated using Sandbar willow (Salix exigua) and Arabidopsis thaliana. Both plants were effective at removing compounds from solution, with removal of 86% of the synthetic estrogen, 17α-ethynylestradiol, 65% of the anti-hypertensive, diltiazem, 60% of the anti-convulsant, diazepam (Valium®), and 51% of the herbicide atrazine, in 24 hours. Distribution of compounds within roots and shoots, in soluble and bound forms, differed among compounds. Uptake and distribution of pharmaceuticals within the study plants confirmed pharmaceutical behaviour can be predicted based on a physiochemical property, their octanol-water partitioning coefficients. An effective method for detection of 17α-ethynylestradiol within surface water using solid phase extraction and gas chromatography-mass spectrometry was developed. Previously unreported breakdown of 17α-ethynylestradiol into another common estrogen, estrone, during preparative steps and gas chromatography was resolved.en
dc.identifier.urihttps://hdl.handle.net/10133/536
dc.language.isoen_USen
dc.publisherLethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2006en
dc.publisher.departmentDepartment of Biological Studiesen
dc.publisher.facultyFaculty of Arts and Scienceen
dc.relation.ispartofseriesThesis (University of Lethbridge. Faculty of Arts and Science)en
dc.subjectDissertations, Academicen
dc.subjectPhytoremediationen
dc.subjectWillows -- Effect of water pollution onen
dc.subjectArabidopsis thaliana -- Effect of water pollution onen
dc.subjectPlant biotechnology -- Researchen
dc.subjectWater -- Pollution -- Researchen
dc.subjectDrugs -- Environmental aspects -- Researchen
dc.titlePhytoremediation of pharmaceuticals with salix exiguaen
dc.typeThesisen
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