{"id":{"repo_id":"cape-town","oai_identifier":"oai:open.uct.ac.za:11427/21910"},"canonical_url":"https://search.dev.ndltd.org/etd/cape-town/oai:open.uct.ac.za:11427/21910","repository":{"repo_id":"cape-town","name":"University of Cape Town","base_url":"https://open.uct.ac.za/oai/request"},"display":{"title":"Interactions between selected metal compounds and marine heterotrophic bacteria","abstract":"A method was developed to test the toxicity of several metal compounds to selected bacteria. The technique was based on the agar diffusion method. Reliability and reproducibility were enhanced by careful standardisation of experimental parameters. By quantification of the concentration of metal compounds in the media using sequential strips of agar it was .possible to prepare standard graphs (metal concentration vs. distance from disc). These graphs demonstrated the exponential rate of diffusion of metals. The diffusion rates were metal specific. In the case of lead compounds the diffusion rate was poor. A media was developed which allowed lead chloride to diffuse relatively well.","abstract_html":"A method was developed to test the toxicity of several metal compounds to selected bacteria. The technique was based on the agar diffusion method. Reliability and reproducibility were enhanced by careful standardisation of experimental parameters. By quantification of the concentration of metal compounds in the media using sequential strips of agar it was .possible to prepare standard graphs (metal concentration vs. distance from disc). These graphs demonstrated the exponential rate of diffusion of metals. The diffusion rates were metal specific. In the case of lead compounds the diffusion rate was poor. A media was developed which allowed lead chloride to diffuse relatively well.","abstract_has_math":false,"creators":["Thompson, Gillian Ann"],"institution":"Department of Molecular and Cell Biology","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Watling, R J"],"committee_chairs":[],"committee_members":[],"year":1984,"date_issued":"1984","date_published":"1984","updated_at":"2026-07-22T22:23:23Z","subjects":[],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11427/21910","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Watling, R J"]},{"key":"dc:creator","label":"Author","values":["Thompson, Gillian Ann"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2016-09-25T16:47:19Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2016-09-25T16:47:19Z"]},{"key":"dc:date.issued","label":"Date","values":["1984"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Department of Molecular and Cell Biology"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["University of Cape Town"]},{"key":"dc:type","label":"Dc Type","values":["Master Thesis"]},{"key":"dc:type.qualificationlevel","label":"Dc Type Qualificationlevel","values":["Masters"]},{"key":"dc:type.qualificationname","label":"Dc Type Qualificationname","values":["MSc"]}]},{"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/11427/21910"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Bibliography: pages 122-131."]},{"key":"dc:description.abstract","label":"Abstract","values":["A method was developed to test the toxicity of several metal compounds to selected bacteria. The technique was based on the agar diffusion method. Reliability and reproducibility were enhanced by careful standardisation of experimental parameters. By quantification of the concentration of metal compounds in the media using sequential strips of agar it was .possible to prepare standard graphs (metal concentration vs. distance from disc). These graphs demonstrated the exponential rate of diffusion of metals. The diffusion rates were metal specific. In the case of lead compounds the diffusion rate was poor. A media was developed which allowed lead chloride to diffuse relatively well."]},{"key":"dc:title","label":"Title","values":["Interactions between selected metal compounds and marine heterotrophic bacteria"]}]}],"canonical_facts":{"dc:contributor.advisor":["Watling, R J"],"dc:creator":["Thompson, Gillian Ann"],"dc:date.accessioned":["2016-09-25T16:47:19Z"],"dc:date.available":["2016-09-25T16:47:19Z"],"dc:date.issued":["1984"],"dc:description":["Bibliography: pages 122-131."],"dc:description.abstract":["A method was developed to test the toxicity of several metal compounds to selected bacteria. The technique was based on the agar diffusion method. Reliability and reproducibility were enhanced by careful standardisation of experimental parameters. By quantification of the concentration of metal compounds in the media using sequential strips of agar it was .possible to prepare standard graphs (metal concentration vs. distance from disc). 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