{"id":{"repo_id":"western-cape","oai_identifier":"oai:uwcscholar.uwc.ac.za:10566/14779"},"canonical_url":"https://search.dev.ndltd.org/etd/western-cape/oai:uwcscholar.uwc.ac.za:10566/14779","repository":{"repo_id":"western-cape","name":"University of the Western Cape","base_url":"https://uwcscholar.uwc.ac.za:8443/server/oai/request"},"display":{"title":"Composite poly(dimethoxyaniline) electrochemical nanobiosensor for glufosinate and glyphosate herbicides","abstract":"In this thesis, I present a simple, sensitive and low cost electrochemical nanobiosensor for quantitative determination of the herbicides glufosinate, glyphosate and its metabolite aminomethylphosphonic acid (AMPA). Firstly, the nanostructured poly(2,5-dimethoxyaniline) (PDMA) materials were synthesized on gold electrode by the electrochemical \"template\"method using poly(4-styrenesulfonic acid) (PSS) as the dopant and structure-directing molecule. Fourier transform infrared (FTIR) spectroscopy, UV-Vis Spectroscopy, Transmission electron microscopy (TEM) and Scanning electron microscopy (SEM) studies inferred successful doping of the nanostructured PDMA film by PSS and that the template PSS directed the synthesis of both nanotubes and nanoparticles of PDMA with diameters less than 100 nm.","abstract_html":"In this thesis, I present a simple, sensitive and low cost electrochemical nanobiosensor for quantitative determination of the herbicides glufosinate, glyphosate and its metabolite aminomethylphosphonic acid (AMPA). Firstly, the nanostructured poly(2,5-dimethoxyaniline) (PDMA) materials were synthesized on gold electrode by the electrochemical "template"method using poly(4-styrenesulfonic acid) (PSS) as the dopant and structure-directing molecule. Fourier transform infrared (FTIR) spectroscopy, UV-Vis Spectroscopy, Transmission electron microscopy (TEM) and Scanning electron microscopy (SEM) studies inferred successful doping of the nanostructured PDMA film by PSS and that the template PSS directed the synthesis of both nanotubes and nanoparticles of PDMA with diameters less than 100 nm.","abstract_has_math":false,"creators":["Songa, Everlyne Apiyo"],"institution":"University of the Western Cape","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Iwuoha, Emmanuel","Baker, Priscilla G.L."],"committee_chairs":[],"committee_members":[],"year":2008,"date_issued":"2008","date_published":"2008","updated_at":"2026-07-24T06:00:56Z","subjects":["Poly(2,5-dimethoxyaniline)","Poly(4-styrenesulfonic acid)","Nanostructured polymers","Horseradish peroxidase","Electrochemical nanobiosensor","Glufosinate","Glyphosate","Herbicides","Aminomethylphosphonic acid","Inhibition"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":null,"outbound_label":null,"outbound_source":null},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Iwuoha, Emmanuel","Baker, Priscilla G.L."]},{"key":"dc:creator","label":"Author","values":["Songa, Everlyne Apiyo"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.issued","label":"Date","values":["2008"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["University of the Western Cape"]},{"key":"dc:relation.isreferencedby","label":"Dc Relation Isreferencedby","values":["https://hdl.handle.net/10566/14779"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Poly(2,5-dimethoxyaniline)","Poly(4-styrenesulfonic acid)","Nanostructured polymers","Horseradish peroxidase","Electrochemical nanobiosensor","Glufosinate","Glyphosate","Herbicides","Aminomethylphosphonic acid","Inhibition"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://uwcscholar.uwc.ac.za/bitstreams/c5587214-940d-4d92-8384-3fcf372c0ef2/download"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["In this thesis, I present a simple, sensitive and low cost electrochemical nanobiosensor for quantitative determination of the herbicides glufosinate, glyphosate and its metabolite aminomethylphosphonic acid (AMPA). 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Fourier transform infrared (FTIR) spectroscopy, UV-Vis Spectroscopy, Transmission electron microscopy (TEM) and Scanning electron microscopy (SEM) studies inferred successful doping of the nanostructured PDMA film by PSS and that the template PSS directed the synthesis of both nanotubes and nanoparticles of PDMA with diameters less than 100 nm."]},{"key":"dc:format.checksum.md5","label":"Dc Format Checksum Md5","values":["e01d6bf8ee23c8e792a09d33e99cd69e","f49baf2384874f8d7ef458a3a26e9e1e"]},{"key":"dc:title","label":"Title","values":["Composite poly(dimethoxyaniline) electrochemical nanobiosensor for glufosinate and glyphosate herbicides"]}]}],"canonical_facts":{"dc:contributor.advisor":["Iwuoha, Emmanuel","Baker, Priscilla G.L."],"dc:creator":["Songa, Everlyne Apiyo"],"dc:date.issued":["2008"],"dc:description.abstract":["In this thesis, I present a simple, sensitive and low cost electrochemical nanobiosensor for quantitative determination of the herbicides glufosinate, glyphosate and its metabolite aminomethylphosphonic acid (AMPA). 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Fourier transform infrared (FTIR) spectroscopy, UV-Vis Spectroscopy, Transmission electron microscopy (TEM) and Scanning electron microscopy (SEM) studies inferred successful doping of the nanostructured PDMA film by PSS and that the template PSS directed the synthesis of both nanotubes and nanoparticles of PDMA with diameters less than 100 nm."],"dc:format.checksum.md5":["e01d6bf8ee23c8e792a09d33e99cd69e","f49baf2384874f8d7ef458a3a26e9e1e"],"dc:identifier.uri":["https://uwcscholar.uwc.ac.za/bitstreams/c5587214-940d-4d92-8384-3fcf372c0ef2/download"],"dc:publisher.institution":["University of the Western Cape"],"dc:relation.isreferencedby":["https://hdl.handle.net/10566/14779"],"dc:subject":["Poly(2,5-dimethoxyaniline)","Poly(4-styrenesulfonic acid)","Nanostructured polymers","Horseradish peroxidase","Electrochemical nanobiosensor","Glufosinate","Glyphosate","Herbicides","Aminomethylphosphonic acid","Inhibition"],"dc:title":["Composite poly(dimethoxyaniline) electrochemical nanobiosensor for glufosinate and glyphosate herbicides"],"dc:type":["Thesis"]},"updated_at":"2026-07-24T06:00:56Z"}