{"id":{"repo_id":"cape-town","oai_identifier":"oai:open.uct.ac.za:11427/12151"},"canonical_url":"https://search.dev.ndltd.org/etd/cape-town/oai:open.uct.ac.za:11427/12151","repository":{"repo_id":"cape-town","name":"University of Cape Town","base_url":"https://open.uct.ac.za/oai/request"},"display":{"title":"Complexation between cyclodextrins and phenylurea herbicides in solution and in the solid state","abstract":"The author undertook the preparation of cyclodextrin inclusion complexes of four phenylurea herbicides (metobromuron, monolinuron, monuron and fenuron) using the kneading and co-precipitation methods in the solid state while also determining complex formation of the same phenylureas in solution with selected cyclodextrins. The kneading experiments were carried out first to determine whether the phenylureas would complex in the solid-state. The phenylureas were then subjected to complexation by means of co-precipitation under different conditions of crystallisation such as temperature and solvent medium in order to isolate more than one CD complex containing the same host and guest. The solution-state experiments were performed to see if the phenylurea complexes exist in solution and if so, to determine their nature.","abstract_html":"The author undertook the preparation of cyclodextrin inclusion complexes of four phenylurea herbicides (metobromuron, monolinuron, monuron and fenuron) using the kneading and co-precipitation methods in the solid state while also determining complex formation of the same phenylureas in solution with selected cyclodextrins. The kneading experiments were carried out first to determine whether the phenylureas would complex in the solid-state. The phenylureas were then subjected to complexation by means of co-precipitation under different conditions of crystallisation such as temperature and solvent medium in order to isolate more than one CD complex containing the same host and guest. The solution-state experiments were performed to see if the phenylurea complexes exist in solution and if so, to determine their nature.","abstract_has_math":false,"creators":["Smith, Vincent Joseph"],"institution":"Department of Chemistry","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Caira, Mino R","Bourne, Susan A"],"committee_chairs":[],"committee_members":[],"year":2009,"date_issued":"2009","date_published":"2009","updated_at":"2026-07-22T22:23:10Z","subjects":[],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11427/12151","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Caira, Mino R","Bourne, Susan A"]},{"key":"dc:creator","label":"Author","values":["Smith, Vincent Joseph"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2015-01-13T04:07:01Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2015-01-13T04:07:01Z"]},{"key":"dc:date.issued","label":"Date","values":["2009"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Department of Chemistry"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["University of Cape Town"]},{"key":"dc:type","label":"Dc Type","values":["Doctoral Thesis"]},{"key":"dc:type.qualificationlevel","label":"Dc Type Qualificationlevel","values":["Doctoral"]},{"key":"dc:type.qualificationname","label":"Dc Type Qualificationname","values":["PhD"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/11427/12151"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Includes abstract.","Includes bibliographical references."]},{"key":"dc:description.abstract","label":"Abstract","values":["The author undertook the preparation of cyclodextrin inclusion complexes of four phenylurea herbicides (metobromuron, monolinuron, monuron and fenuron) using the kneading and co-precipitation methods in the solid state while also determining complex formation of the same phenylureas in solution with selected cyclodextrins. The kneading experiments were carried out first to determine whether the phenylureas would complex in the solid-state. The phenylureas were then subjected to complexation by means of co-precipitation under different conditions of crystallisation such as temperature and solvent medium in order to isolate more than one CD complex containing the same host and guest. The solution-state experiments were performed to see if the phenylurea complexes exist in solution and if so, to determine their nature."]},{"key":"dc:title","label":"Title","values":["Complexation between cyclodextrins and phenylurea herbicides in solution and in the solid state"]}]}],"canonical_facts":{"dc:contributor.advisor":["Caira, Mino R","Bourne, Susan A"],"dc:creator":["Smith, Vincent Joseph"],"dc:date.accessioned":["2015-01-13T04:07:01Z"],"dc:date.available":["2015-01-13T04:07:01Z"],"dc:date.issued":["2009"],"dc:description":["Includes abstract.","Includes bibliographical references."],"dc:description.abstract":["The author undertook the preparation of cyclodextrin inclusion complexes of four phenylurea herbicides (metobromuron, monolinuron, monuron and fenuron) using the kneading and co-precipitation methods in the solid state while also determining complex formation of the same phenylureas in solution with selected cyclodextrins. The kneading experiments were carried out first to determine whether the phenylureas would complex in the solid-state. The phenylureas were then subjected to complexation by means of co-precipitation under different conditions of crystallisation such as temperature and solvent medium in order to isolate more than one CD complex containing the same host and guest. The solution-state experiments were performed to see if the phenylurea complexes exist in solution and if so, to determine their nature."],"dc:identifier.uri":["http://hdl.handle.net/11427/12151"],"dc:language.iso":["eng"],"dc:publisher.department":["Department of Chemistry"],"dc:publisher.institution":["University of Cape Town"],"dc:title":["Complexation between cyclodextrins and phenylurea herbicides in solution and in the solid state"],"dc:type":["Doctoral Thesis"],"dc:type.qualificationlevel":["Doctoral"],"dc:type.qualificationname":["PhD"]},"updated_at":"2026-07-22T22:23:10Z"}