https://commons.ru.ac.za/vital/access/manager/Index en-us 5 Reproductive and feeding biology of the Natal mountain catfish, Amphilius natalensis (Siluriformes: Amphiliidae) https://commons.ru.ac.za/vital/access/manager/Repository/vital:35823 Wed 31 Jul 2024 11:24:28 SAST ]]> Resisting racism: a teachers' guide to equality in education https://commons.ru.ac.za/vital/access/manager/Repository/vital:30217 Wed 12 May 2021 23:13:37 SAST ]]> Research report https://commons.ru.ac.za/vital/access/manager/Repository/vital:39063 Wed 12 May 2021 20:51:53 SAST ]]> Iinjongo ze Self-Employed Womens Union https://commons.ru.ac.za/vital/access/manager/Repository/vital:39813 Wed 12 May 2021 20:19:40 SAST ]]> Newsletter of the Self-Employed Womens Union - No.22 https://commons.ru.ac.za/vital/access/manager/Repository/vital:39835 Wed 12 May 2021 19:42:36 SAST ]]> BI-Annual National Conference - Fisheries Policy and Response to White Paper https://commons.ru.ac.za/vital/access/manager/Repository/vital:33221 Wed 12 May 2021 19:13:41 SAST ]]> Newsletter of the Self-Employed Womens Union - No.21 https://commons.ru.ac.za/vital/access/manager/Repository/vital:39834 Wed 12 May 2021 18:16:56 SAST ]]> South African English: oppressor or liberator? https://commons.ru.ac.za/vital/access/manager/Repository/vital:7013 Wed 12 May 2021 17:51:30 SAST ]]> SA in the global economy https://commons.ru.ac.za/vital/access/manager/Repository/vital:40569 Wed 12 May 2021 14:39:58 SAST ]]> LRA Trainers Course https://commons.ru.ac.za/vital/access/manager/Repository/vital:42661 Wed 12 May 2021 14:36:53 SAST ]]> Submission of the CWIU to the portfolio committee on Child and Family support https://commons.ru.ac.za/vital/access/manager/Repository/vital:41871 Wed 12 May 2021 14:25:25 SAST ]]> Debate on globalisation https://commons.ru.ac.za/vital/access/manager/Repository/vital:42156 Wed 12 May 2021 14:12:40 SAST ]]> Globlisation, structural adjustmentand education https://commons.ru.ac.za/vital/access/manager/Repository/vital:42960 Wed 12 May 2021 13:56:12 SAST ]]> WCED causes crisis in education https://commons.ru.ac.za/vital/access/manager/Repository/vital:40752 Wed 12 May 2021 13:55:27 SAST ]]> The effects of economic incentives in controlling pollution in the South African leather industry: die uitwerking van ekonomiese insentiewe op die beheer van besoedeling in die Suid-Afrikaanse leerbedryf https://commons.ru.ac.za/vital/access/manager/Repository/vital:38197 Wed 08 May 2024 19:22:02 SAST ]]> Troubled waters in south-western New Georgia, Solomon Islands: Is codification of the commons a viable avenue for resource use regularisation https://commons.ru.ac.za/vital/access/manager/Repository/vital:73732 Wed 03 Jul 2024 10:45:09 SAST ]]> A description of gametogenesis in the panga Pterogymnus laniarius (Pisces: Sparidae) with comments on changes in maturity patterns over the past two decades https://commons.ru.ac.za/vital/access/manager/Repository/vital:74571 Tue 30 Jul 2024 11:04:30 SAST ]]> The human skin-blanching assay for in vitro topical corticosteroid assessment. I. Reproducibility of the assay https://commons.ru.ac.za/vital/access/manager/Repository/vital:6381 Tue 14 May 2024 12:39:53 SAST ]]> The human skin blanching assay for in vivo topical corticosteroid assessment. II. Subject- and observer-dependent variation in blanching responses https://commons.ru.ac.za/vital/access/manager/Repository/vital:6382 Tue 14 May 2024 10:45:44 SAST ]]> Management education and training https://commons.ru.ac.za/vital/access/manager/Repository/vital:54490 Tue 14 May 2024 10:23:45 SAST ]]> A model for the analysis of small group interaction–and beyond?: https://commons.ru.ac.za/vital/access/manager/Repository/vital:37711 Tue 14 May 2024 10:06:10 SAST ]]> Apparent range expansion of the redbilled quelea Quelea quelea in the Eastern Cape Province of South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:74729 Tue 06 Aug 2024 12:58:17 SAST ]]> Photosensitization reactions of neodymium, dysprosium and lutetium diphthalocyanine https://commons.ru.ac.za/vital/access/manager/Repository/vital:57084 Thu 29 Sep 2022 22:30:33 SAST ]]> First-row transition metal phthalocyanines as catalysts for water electrolysis https://commons.ru.ac.za/vital/access/manager/Repository/vital:57081 Thu 29 Sep 2022 22:21:11 SAST ]]> Use of cobalt (II) phthalocyanine to improve the sensitivity and stability of glassy carbon electrodes for the detection of cresols, chlorophenols and phenol https://commons.ru.ac.za/vital/access/manager/Repository/vital:57076 Mn(II)Pc > Fe(II)Pc > Ni(II)Pc > Cu(II)Pc > H2Pc > Zn(II)Pc > GCE. When [Co(II)TSPc]4− (TSPc=tetrasulfo Pc) was added to aqueous solutions containing the cresols and phenols, an enhancement of the oxidation currents was also observed.]]> Thu 29 Sep 2022 19:52:36 SAST ]]> Metallophthalocyanine catalysed electroreduction of nitrate and nitrite ions in alkaline media https://commons.ru.ac.za/vital/access/manager/Repository/vital:57073 5 μg ml−1) are determined by adsorptive cathodic stripping voltammetry (AdCSV) on a mercury film glassy carbon electrode, using catechol, 4-methylcatechol, 4-t-butylcatechol and resorcinol as complexing ligands. Complexes of lead, copper and bismuth with resorcinol showed the largest increase in current with increase in metal concentration, whereas complexes of these metals with 4-t-butylcatechol showed the lowest current response. Cadmium showed a different behaviour from the other three metals in that the highest current response was observed with 4-methylcatechol. The four metals could be determined simultaneously in the presence of resorcinol, although considerable interference was observed between bismuth and copper.]]> Thu 29 Sep 2022 19:45:39 SAST ]]> Catalytic behavior of osmium (II), rhodium (III) and ruthenium (II) Phthalocyanines towards the electrooxidation of cysteine on glassy carbon electrodes https://commons.ru.ac.za/vital/access/manager/Repository/vital:57072 Thu 29 Sep 2022 19:40:58 SAST ]]> Book Review: 1001 activities in environmental education https://commons.ru.ac.za/vital/access/manager/Repository/vital:73490 Thu 20 Jun 2024 08:41:18 SAST ]]> Reflecting on socially transformative environmental literacy for Lesotho https://commons.ru.ac.za/vital/access/manager/Repository/vital:73498 Thu 20 Jun 2024 08:31:45 SAST ]]> Substituted catechols as complexing agents for the determination of bismuth, lead, copper and cadmium by adsorptive stripping voltammetry https://commons.ru.ac.za/vital/access/manager/Repository/vital:57074 5 μg ml−1) are determined by adsorptive cathodic stripping voltammetry (AdCSV) on a mercury film glassy carbon electrode, using catechol, 4-methylcatechol, 4-t-butylcatechol and resorcinol as complexing ligands. Complexes of lead, copper and bismuth with resorcinol showed the largest increase in current with increase in metal concentration, whereas complexes of these metals with 4-t-butylcatechol showed the lowest current response. Cadmium showed a different behaviour from the other three metals in that the highest current response was observed with 4-methylcatechol. The four metals could be determined simultaneously in the presence of resorcinol, although considerable interference was observed between bismuth and copper.]]> Thu 16 May 2024 05:11:04 SAST ]]> Voltammetric behavior of cysteine and metallothionein on cobalt (II) tetrasulfonated phthalocyanine modified glassy carbon electrodes https://commons.ru.ac.za/vital/access/manager/Repository/vital:57077 Thu 16 May 2024 05:11:03 SAST ]]> Paedophagia among cichlid fishes of Lake Victoria and Lake Malawi/Nyasa https://commons.ru.ac.za/vital/access/manager/Repository/vital:7134 Thu 15 Jul 2021 21:37:34 SAST ]]> Advice skills: a guide for NUMSA shopstewards, 1996-1999 https://commons.ru.ac.za/vital/access/manager/Repository/vital:29303 Thu 13 May 2021 08:05:37 SAST ]]> A liberal journal for a conservative estimate https://commons.ru.ac.za/vital/access/manager/Repository/vital:37769 Thu 13 May 2021 04:54:37 SAST ]]> FAWU - Response to the White Paper On A Marine Fisheries Policy For South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:34625 Thu 13 May 2021 04:50:38 SAST ]]> Rhodes University Graduation Ceremony 1997 https://commons.ru.ac.za/vital/access/manager/Repository/vital:8131 Thu 13 May 2021 02:27:38 SAST ]]> Policy Memo - Engineering hours of work https://commons.ru.ac.za/vital/access/manager/Repository/vital:39038 Thu 13 May 2021 02:13:28 SAST ]]> Newsletter of the Self-Employed Womens Union - No.22 https://commons.ru.ac.za/vital/access/manager/Repository/vital:39855 Thu 13 May 2021 01:44:18 SAST ]]> A description of gametogenesis in the panga Pterogymnus laniarius (Pisces: Sparidae) with comments on changes in maturity patterns over the past two decades https://commons.ru.ac.za/vital/access/manager/Repository/vital:35452 Thu 11 Aug 2022 06:39:06 SAST ]]> The cicada genus Stagira Stål 1861 (Homoptera Tibicinidae) systematic revision https://commons.ru.ac.za/vital/access/manager/Repository/vital:75297 Thu 05 Sep 2024 14:41:31 SAST ]]> Redescription of three species of the genus Platypleura Amyot and Serville 1843 (Hemiptera Cicadidae) https://commons.ru.ac.za/vital/access/manager/Repository/vital:75290 Thu 05 Sep 2024 14:16:52 SAST ]]> Multivariate analysis of honeybees, Apis mellifera Linnaeus (Hymenoptera: Apidae), of the Horn of Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:75093 Mon 19 Aug 2024 11:44:08 SAST ]]> Multivariate analysis of honeybee populations, Apis mellifera Linnaeus (Hymenoptera: Apidae), from western central Africa morphometries and pheromones https://commons.ru.ac.za/vital/access/manager/Repository/vital:75091 Mon 19 Aug 2024 11:30:15 SAST ]]> On the life history of the lesser gurnard (Scorpaeniformes: Triglidae) inhabiting the Agulhas Bank, South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:35782 Mon 13 May 2024 15:06:57 SAST ]]> Stratigraphy and age of Karoo basalts of Lesotho and implications for correlations within the Karoo igneous province https://commons.ru.ac.za/vital/access/manager/Repository/vital:38859 Mon 13 May 2024 12:53:25 SAST ]]> The timing and duration of the Karoo igneous event, southern Gondwana https://commons.ru.ac.za/vital/access/manager/Repository/vital:38857 Mon 13 May 2024 12:53:23 SAST ]]> The petrology and significance of a stratiform mafic segregation pegmatite in a Karoo-aged dolerite sheet https://commons.ru.ac.za/vital/access/manager/Repository/vital:38858 Mon 13 May 2024 12:31:15 SAST ]]> Petrology and geochemistry of peridotite xenoliths from the Letlhakane kimberlites, Botswana https://commons.ru.ac.za/vital/access/manager/Repository/vital:38876 Mon 13 May 2024 12:30:50 SAST ]]> New placoderm fishes from the Late Devonian of South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:30108 Mon 13 May 2024 11:33:55 SAST ]]> Towards sustainable conversation: Developing environmental education processes https://commons.ru.ac.za/vital/access/manager/Repository/vital:68492 Mon 02 Oct 2023 14:23:56 SAST ]]> The study of the interactions of cobalt (II) tetrasulfophthalocyanine with cysteine and histidine https://commons.ru.ac.za/vital/access/manager/Repository/vital:57087 Fri 30 Sep 2022 06:09:09 SAST ]]> Glandular trichomes on the exotic Solanum sisymbriifolium Lamarck (Solanaceae): effective deterrents against an indigenous South African herbivore https://commons.ru.ac.za/vital/access/manager/Repository/vital:75047 Fri 16 Aug 2024 09:32:38 SAST ]]> Ecology and genetics of hybrid zones in the southern African Pycnonotus bulbul species complex https://commons.ru.ac.za/vital/access/manager/Repository/vital:74675 Fri 02 Aug 2024 15:38:30 SAST ]]> Variation in foraging activity of Acanthochitona garnoti (Mollusca: Polyplacophora) from different habitats https://commons.ru.ac.za/vital/access/manager/Repository/vital:74663 Fri 02 Aug 2024 11:44:34 SAST ]]>