https://commons.ru.ac.za/vital/access/manager/Index ${session.getAttribute("locale")} 5 Using assessment strategically to gestate a student thesis https://commons.ru.ac.za/vital/access/manager/Repository/vital:55698 Wed 31 Aug 2022 14:52:02 SAST ]]> Think Piece, Naked Science-Avoiding Methodolatry in an Environmental Education Context https://commons.ru.ac.za/vital/access/manager/Repository/vital:68220 Wed 27 Sep 2023 14:17:07 SAST ]]> Editorial https://commons.ru.ac.za/vital/access/manager/Repository/vital:68214 Wed 27 Sep 2023 11:57:35 SAST ]]> Exploring a systems approach to mainstreaming sustainability in universities: A case study of Rhodes University in South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:43886 Wed 24 Apr 2024 13:46:36 SAST ]]> Editorial. Methodology, Context and Quality https://commons.ru.ac.za/vital/access/manager/Repository/vital:68216 Wed 24 Apr 2024 13:46:14 SAST ]]> An exploratory study of the impacts of climate variability on food production availability and access in Chivi district 6, Zimbabwe https://commons.ru.ac.za/vital/access/manager/Repository/vital:65852 Wed 19 Jul 2023 13:49:10 SAST ]]> Negotiating identity and belonging: perspectives of children living in a disadvantaged community in the Eastern Cape province https://commons.ru.ac.za/vital/access/manager/Repository/vital:63598 Wed 19 Apr 2023 12:25:12 SAST ]]> Forced degradation studies of clobetasol 17‐propionate in methanol, propylene glycol, as bulk drug and cream formulations by RP‐HPLC https://commons.ru.ac.za/vital/access/manager/Repository/vital:44154 Wed 18 Aug 2021 12:26:18 SAST ]]> Photophysical and photochemical properties of a novel thiol terminated low symmetry zinc phthalocyanine complex and its gold nanoparticles conjugate https://commons.ru.ac.za/vital/access/manager/Repository/vital:49891 Wed 13 Apr 2022 15:24:31 SAST ]]> Electrochemical impedimetric immunosensor for the detection of measles-specific IgG antibodies after measles infections https://commons.ru.ac.za/vital/access/manager/Repository/vital:50960 Wed 12 Apr 2023 16:51:30 SAST ]]> Design and evaluation of an electrochemical immunosensor for measles serodiagnosis using measles-specific Immunoglobulin G antibodies https://commons.ru.ac.za/vital/access/manager/Repository/vital:50962 Wed 12 Apr 2023 16:51:27 SAST ]]> The synthesis and characterisation of magnetic nanoparticles and their interaction with a zinc phthalocyanine https://commons.ru.ac.za/vital/access/manager/Repository/vital:51002 Wed 10 Apr 2024 15:13:46 SAST ]]> Catalytic oxidation of thioanisole using oxovanadium (IV)‐functionalized electrospun polybenzimidazole nanofibers https://commons.ru.ac.za/vital/access/manager/Repository/vital:51000 Wed 05 Apr 2023 08:51:07 SAST ]]> Oxovanadium (IV)-containing poly (styrene-co-4′-ethenyl-2-hydroxyphenylimidazole) electrospun nanofibers for the catalytic oxidation of thioanisole https://commons.ru.ac.za/vital/access/manager/Repository/vital:50959 Wed 05 Apr 2023 08:51:04 SAST ]]> Adsorption and separation of platinum and palladium by polyamine functionalized polystyrene-based beads and nanofibers https://commons.ru.ac.za/vital/access/manager/Repository/vital:50961 0.99. The highest loading capacity of Pt and Pd were 7.4 mg/g and 4.3 mg/g respectively for the nanofiber sorbent material based on ethylenediamine (EDA) while the beads with ethylenediamine (EDA) gave 1.0 mg/g and 0.2 mg/g for Pt and Pd respectively. Metals loaded on the sorbent materials were recovered by using 3% m/v thiourea solution as the eluting agent with quantitative desorption efficiency under the selected experimental conditions. Separation of platinum from palladium was partially achieved by selective stripping of PtCl62- with 0.5 M of NaClO4 in 1.0 M HCl while PdCl42- was eluted with 0.5 M thiourea in 1.0 M HCl. Separation of platinum from iridium and rhodium under 1 M HCl concentration was successful on triethylenetriamine (TETA)-functionalized Merrifield beads. This material (M-TETA) showed selectivity for platinum albeit the low loading capacity.]]> Wed 05 Apr 2023 08:50:56 SAST ]]> The development of catalytic oxovanadium (IV)-containing microspheres for the oxidation of various organosulfur compounds https://commons.ru.ac.za/vital/access/manager/Repository/vital:50969 Wed 05 Apr 2023 08:50:51 SAST ]]> The development of novel nickel selective amine extractants https://commons.ru.ac.za/vital/access/manager/Repository/vital:50957 Wed 05 Apr 2023 08:50:43 SAST ]]> Comparative phototransformation of environmental pollutants using metallophthalocyanines supported on electrospun polymer fibers https://commons.ru.ac.za/vital/access/manager/Repository/vital:45001 Wed 03 Nov 2021 12:17:22 SAST ]]> X-ray photoelectron spectroscopy analysis of the effect of alkyl-and arylthio substituents on manganese phthalocyanines for self-assembled monolayer formation on gold https://commons.ru.ac.za/vital/access/manager/Repository/vital:44999 Wed 03 Nov 2021 12:09:53 SAST ]]> Fluorescence “turn on” probe for bromide ion using nanoconjugates of glutathione-capped CdTe@ ZnS quantum dots with nickel tetraamino-phthalocyanine https://commons.ru.ac.za/vital/access/manager/Repository/vital:44998 QD605-NiTAPc > QD621-NiTAPc. The mechanism of reaction is proposed.]]> Wed 03 Nov 2021 12:01:45 SAST ]]> Understanding the sexual risk behaviours of people living with different mental illnesses and their vulnerability to HIV infection https://commons.ru.ac.za/vital/access/manager/Repository/vital:63899 Wed 03 May 2023 12:54:34 SAST ]]> Factors which Influence English Language Pass Rate at Matric Level in the Engcobo District of The Eastern Cape of South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:43622 Tue 29 Jun 2021 13:07:11 SAST ]]> Third order nonlinear optical properties of phthalocyanines in the presence nanomaterials and in polymer thin films https://commons.ru.ac.za/vital/access/manager/Repository/vital:50968 Tue 24 May 2022 15:54:39 SAST ]]> Fluorescence “switch on” of conjugates of CdTe@ ZnS quantum dots with Al, Ni and Zn tetraamino-phthalocyanines by hydrogen peroxide https://commons.ru.ac.za/vital/access/manager/Repository/vital:50966 QDs-NiTAPc (4.4 μM) > QDs-AlTAPc (9.8 μM) while the selectivity followed the order: QDs-NiTAPc > QDs-AlTAPc > QDs-ZnTAPc. The varying degree of sensitivity/selectivity and mechanism of detection is discussed in detail.]]> Tue 24 May 2022 15:47:43 SAST ]]> Influence of nanoparticle materials on the photophysical behavior of phthalocyanines https://commons.ru.ac.za/vital/access/manager/Repository/vital:44995 Tue 24 May 2022 15:40:42 SAST ]]> The photophysical and photochemical behaviour of coumarin-derivatized zinc phthalocyanine when conjugated with gold nanoparticles and electrospun into polymer fibers https://commons.ru.ac.za/vital/access/manager/Repository/vital:50000 Tue 24 May 2022 15:40:39 SAST ]]> Synthesis and photophysicochemical studies of a water soluble conjugate between folic acid and zinc tetraaminophthalocyanine https://commons.ru.ac.za/vital/access/manager/Repository/vital:51005 Tue 24 May 2022 15:40:38 SAST ]]> Glutathione capped CdTe@ ZnS quantum dots–zinc tetracarboxy phthalocyanine conjugates https://commons.ru.ac.za/vital/access/manager/Repository/vital:45395 Tue 24 May 2022 15:40:37 SAST ]]> Nanoconjugates of CdTe@ ZnS quantum dots with cobalt tetraamino-phthalocyanine https://commons.ru.ac.za/vital/access/manager/Repository/vital:50996 Tue 24 May 2022 15:40:37 SAST ]]> A study of the photophysicochemical and antimicrobial properties of two zinc phthalocyanine–silver nanoparticle conjugates https://commons.ru.ac.za/vital/access/manager/Repository/vital:49999 Tue 24 May 2022 15:33:45 SAST ]]> Characterization and photophysical behavior of phthalocyanines when grafted onto silica nanoparticles https://commons.ru.ac.za/vital/access/manager/Repository/vital:50989 Tue 24 May 2022 15:33:44 SAST ]]> Fluorescence behavior of glutathione capped CdTe@ ZnS quantum dots chemically coordinated to zinc octacarboxy phthalocyanines https://commons.ru.ac.za/vital/access/manager/Repository/vital:50993 Tue 24 May 2022 15:33:43 SAST ]]> Effects of gold nanoparticle shape on the aggregation and fluorescence behaviour of water soluble zinc phthalocyanines https://commons.ru.ac.za/vital/access/manager/Repository/vital:49997 Tue 24 May 2022 15:33:43 SAST ]]> Axial coordination of zinc and silicon phthalocyanines to silver and gold nanoparticles: an investigation of their photophysicochemical and antimicrobial behavior https://commons.ru.ac.za/vital/access/manager/Repository/vital:50972 Tue 24 May 2022 15:33:41 SAST ]]> Electrospun fibers functionalized with phthalocyanine-gold nanoparticle conjugates for photocatalytic applications https://commons.ru.ac.za/vital/access/manager/Repository/vital:45394 Tue 24 May 2022 15:33:38 SAST ]]> Characterization and electrocatalytic behaviour of glassy carbon electrode modified with nickel nanoparticles towards amitrole detection https://commons.ru.ac.za/vital/access/manager/Repository/vital:50970 Tue 24 May 2022 15:33:37 SAST ]]> Poly methyl methacrylate films containing metallophthalocyanines in the presence of CdTe quantum dots https://commons.ru.ac.za/vital/access/manager/Repository/vital:50956 Tue 24 May 2022 14:37:00 SAST ]]> Production and characterization of a bioflocculant from a consortium of bacteria belonging to the halomonas and micrococcus genera https://commons.ru.ac.za/vital/access/manager/Repository/vital:64489 Tue 23 May 2023 16:02:06 SAST ]]> Zinc (II) 2, 9, 16, 23-tetrakis [4-(N-methylpyridyloxy)]-phthalocyanine anchored on an electrospun polysulfone polymer fiber: Application for photosensitized conversion of methyl orange https://commons.ru.ac.za/vital/access/manager/Repository/vital:50020 Tue 19 Apr 2022 14:41:55 SAST ]]> Playing with the forest: Invasive alien plants, policy and protected areas in India https://commons.ru.ac.za/vital/access/manager/Repository/vital:43821 Tue 18 Jul 2023 22:20:05 SAST ]]> Production and characterization of a bioflocculant from a consortium of bacteria belonging to the halomonas and micrococcus genera. https://commons.ru.ac.za/vital/access/manager/Repository/vital:64917 Tue 13 Jun 2023 12:39:08 SAST ]]> Current and potential carbon stocks of trees in urban parking lots in towns of the Eastern Cape, South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:43689 Tue 06 Jul 2021 18:24:44 SAST ]]> Perceptions and use of public green space is influenced by its relative abundance in two small towns in South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:43688 Tue 06 Jul 2021 17:52:37 SAST ]]> Reconstructing the history of introduction and spread of the invasive species, Lantana, at three spatial scales in India https://commons.ru.ac.za/vital/access/manager/Repository/vital:43687 Tue 06 Jul 2021 17:40:53 SAST ]]> Applying a student curriculum discourse in higher education teaching and learning https://commons.ru.ac.za/vital/access/manager/Repository/vital:44633 Tue 05 Oct 2021 14:19:50 SAST ]]> The Dangers of Student-Centered Learning-A Caution about Blind Spots in the Scholarship of Teaching and Learning https://commons.ru.ac.za/vital/access/manager/Repository/vital:44624 Tue 05 Oct 2021 14:08:52 SAST ]]> Investigation of institutions for the implementation of the Dutywa Agripark Project in Mbashe Local Municipality in Eastern Cape Province, South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:63210 Tue 04 Apr 2023 12:02:47 SAST ]]> The relationship between marital status and life satisfaction among South African adults https://commons.ru.ac.za/vital/access/manager/Repository/vital:69158 Thu 19 Oct 2023 12:00:13 SAST ]]> The gold of one’s ring is not far more precious than the gold of one’s heart: Reported life satisfaction among married and cohabitating South African adults https://commons.ru.ac.za/vital/access/manager/Repository/vital:69156 Thu 19 Oct 2023 11:51:05 SAST ]]> Stock returns and Friday the 13th effect in five African countries https://commons.ru.ac.za/vital/access/manager/Repository/vital:69152 Thu 19 Oct 2023 11:38:58 SAST ]]> Does national sporting performance affect stock market returns in South Africa? https://commons.ru.ac.za/vital/access/manager/Repository/vital:69144 Thu 19 Oct 2023 11:12:38 SAST ]]> The impact of the exchange rate volatility on unemployment in South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:64336 Thu 18 May 2023 12:31:20 SAST ]]> Seeing Fictions in Film https://commons.ru.ac.za/vital/access/manager/Repository/vital:55072 Thu 18 Aug 2022 14:32:32 SAST ]]> Educators ‘Perceptions of The Implementation of The National Curriculum Statement in Mt Fletcher District of The Eastern Cape Province https://commons.ru.ac.za/vital/access/manager/Repository/vital:43114 Thu 07 Mar 2024 14:50:00 SAST ]]> Synthesis and physicochemical behaviour of aluminium bis and tris (diammine platinum) octacarboxyphthalocyanine https://commons.ru.ac.za/vital/access/manager/Repository/vital:50988 8.2. Both conjugates were found to have two fluorescence lifetimes. The triplet and singlet oxygen quantum yields increased for the conjugates compared to Al(OH)OCPc alone.]]> Thu 07 Jul 2022 21:37:30 SAST ]]> Silica nanoparticles grafted with phthalocyanines https://commons.ru.ac.za/vital/access/manager/Repository/vital:50001 Thu 07 Jul 2022 21:37:27 SAST ]]> Synthesis and photophysicochemical properties of zinc phthalocyanine derivatized with benzothiazole or carbazole photosensitizers https://commons.ru.ac.za/vital/access/manager/Repository/vital:50964 Thu 07 Jul 2022 21:37:27 SAST ]]> Physicochemical properties of zinc monoamino phthalocyanine conjugated to folic acid and single walled carbon nanotubes https://commons.ru.ac.za/vital/access/manager/Repository/vital:50967 Thu 07 Jul 2022 21:37:26 SAST ]]> Synthesis and nonlinear optical examination of 3 (4), 15 (16)-Bis-(4-tert-butyl-phenoxy)-10, 22-diaminohemiporphyrazinato chloroindium https://commons.ru.ac.za/vital/access/manager/Repository/vital:50965 Thu 07 Jul 2022 21:37:25 SAST ]]> Optical limiting analysis of phthalocyanines in polymer thin films https://commons.ru.ac.za/vital/access/manager/Repository/vital:49996 Thu 07 Jul 2022 21:30:28 SAST ]]> Nonlinear optical behavior of metal octaphenoxy phthalocyanines https://commons.ru.ac.za/vital/access/manager/Repository/vital:50963 Thu 07 Jul 2022 21:30:26 SAST ]]> Photodegradation of Orange-G using zinc octacarboxyphthalocyanine supported on Fe3O4 nanoparticles https://commons.ru.ac.za/vital/access/manager/Repository/vital:50958 Thu 07 Jul 2022 21:30:26 SAST ]]> Physicochemical properties of a zinc phthalocyanine–pyrene conjugate adsorbed onto single walled carbon nanotubes https://commons.ru.ac.za/vital/access/manager/Repository/vital:51029 Thu 07 Jul 2022 21:30:25 SAST ]]> The role and impact of trade unions on service delivery in Lukhanji Municipality (Eastern Cape) https://commons.ru.ac.za/vital/access/manager/Repository/vital:65578 Thu 06 Jul 2023 13:44:00 SAST ]]> Land claims and the pursuit of co-management on four protected areas in South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:68632 Thu 05 Oct 2023 10:20:57 SAST ]]> Surface patterning using scanning electrochemical microscopy to locally trigger a “click” chemistry reaction https://commons.ru.ac.za/vital/access/manager/Repository/vital:50971 Sun 15 May 2022 17:50:08 SAST ]]> The Monkey Cage https://commons.ru.ac.za/vital/access/manager/Repository/vital:49708 Sun 10 Apr 2022 12:59:25 SAST ]]> Probing the sensitive and selective luminescent detection of peroxynitrite using thiol-capped CdTe and CdTe@ ZnS quantum dots https://commons.ru.ac.za/vital/access/manager/Repository/vital:45393 GSH–TGA–CdTe@ZnS>MPA–CdTe QDs. The varying degree of quenching is elucidated based on the QD–thiolate bond of CdTe@ZnS being more sensitive to oxidation from ONOO− than CdTe. The selectivity of the probe in the presence of co-existing species followed the order: GSH–TGA–CdTe@ZnS>MPA–TGA–CdTe@ZnS>MPA–CdTe QDs. QDs capped with MPA showed less selectivity for ONOO− than GSH. The best limit of detection (LOD) of 12.6 nM was obtained for MPA–TGA–CdTe@ZnS QDs. Time-resolved fluorescence measurements indicated that the interaction between ONOO− and the QDs is static in nature.]]> Sat 27 Nov 2021 14:07:54 SAST ]]> Characterization of glassy carbon electrodes modified with carbon nanotubes and iron phthalocyanine through grafting and click chemistry https://commons.ru.ac.za/vital/access/manager/Repository/vital:45392 Sat 27 Nov 2021 14:00:15 SAST ]]> The interaction of silver nanoparticles with low symmetry cysteinyl metallophthalocyanines and their antimicrobial effect https://commons.ru.ac.za/vital/access/manager/Repository/vital:45391 Sat 27 Nov 2021 13:53:30 SAST ]]> Design of Realistic Hybrid Marine Resource Management Programs in Oceania https://commons.ru.ac.za/vital/access/manager/Repository/vital:71972 Mon 29 Apr 2024 12:37:50 SAST ]]> Characterisation of novel CrleGV isolates for false codling moth control-lessons learnt from codling moth resistance to CpGV. https://commons.ru.ac.za/vital/access/manager/Repository/vital:72237 Mon 29 Apr 2024 09:34:56 SAST ]]> Is classical biological control a 20th century" old science" paradigm that is losing its way? https://commons.ru.ac.za/vital/access/manager/Repository/vital:72239 Mon 29 Apr 2024 09:33:00 SAST ]]> Subterranean control of an arboreal pest: EPNs and EPFs for FCM https://commons.ru.ac.za/vital/access/manager/Repository/vital:72241 Mon 29 Apr 2024 09:31:06 SAST ]]> MCD spectroscopy and TD-DFT calculations of a naphthalene-ring-bridged coplanar binuclear phthalocyanine dimer https://commons.ru.ac.za/vital/access/manager/Repository/vital:49998 Mon 18 Apr 2022 14:52:15 SAST ]]> Ultrafast Photodynamics of the Indoline Dye D149 Adsorbed to Porous ZnO in Dye‐Sensitized Solar Cells https://commons.ru.ac.za/vital/access/manager/Repository/vital:51006 Mon 16 May 2022 13:39:29 SAST ]]> Effect of the relative humidity on the fibre morphology of polyamide 4.6 and polyamide 6.9 nanofibres https://commons.ru.ac.za/vital/access/manager/Repository/vital:51004 Mon 16 May 2022 13:10:16 SAST ]]> The challenges of alleviating poverty through ecological restoration: Insights from South Africa's “working for water” program https://commons.ru.ac.za/vital/access/manager/Repository/vital:43680 Mon 05 Jul 2021 14:33:53 SAST ]]> A capability approach: Its potential for transformative education research focusing on education for sustainable development and gender issues in science teacher education https://commons.ru.ac.za/vital/access/manager/Repository/vital:68208 Mon 02 Oct 2023 08:12:57 SAST ]]> Weevil borne microbes contribute as much to the reduction of photosynthesis in water hyacinth as does herbivory https://commons.ru.ac.za/vital/access/manager/Repository/vital:72073 Fri 26 Apr 2024 10:32:37 SAST ]]> Using a unified invasion framework to characterize Africa’s first loricariid catfish invasion https://commons.ru.ac.za/vital/access/manager/Repository/vital:71507 300 mm TL) adult fish. Gonadal assessment of adults demonstrated the presence of reproduction capable specimens. The concurrent occurrence of mature adults and juvenile fish demonstrated establishment. Locality records indicate that P. disjunctivus has already spread between two rivers through an inter basin water transfer. Using a unified framework for invasions this invasion was categorized as a self-sustaining population in the wild with individuals surviving and reproducing a significant distance from their original point of introduction. Containment is suggested as potential management strategy.]]> Fri 26 Apr 2024 10:31:38 SAST ]]> The effect of herbivory by the mite Orthogalumna terebrantis on the growth and photosynthetic performance of water hyacinth (Eichhornia crassipes) https://commons.ru.ac.za/vital/access/manager/Repository/vital:71642 Fri 26 Apr 2024 10:31:03 SAST ]]> Persistence and virulence of promising entomopathogenic fungal isolates for use in citrus orchards in South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:71394 Fri 26 Apr 2024 10:30:22 SAST ]]> Overcrowding of false codling moth, Thaumatotibia leucotreta (Meyrick) leads to the isolation of five new Cryptophlebia leucotreta granulovirus (CrleGV-SA) isolates https://commons.ru.ac.za/vital/access/manager/Repository/vital:71637 Fri 26 Apr 2024 10:29:50 SAST ]]> Nutrient-mediated effects on Cornops aquaticum Brüner (Orthoptera: Acrididae), a potential biological control agent of water hyacinth, Eichhornia crassipes (Mart.) Solms (Pontederiaceae) https://commons.ru.ac.za/vital/access/manager/Repository/vital:70241 Fri 26 Apr 2024 10:29:09 SAST ]]> Morphological and genetic characterization of a South African Plutella xylostella granulovirus (plxy GV) isolate https://commons.ru.ac.za/vital/access/manager/Repository/vital:70240 Fri 26 Apr 2024 10:28:13 SAST ]]> Microbial agents for control of aquatic weeds and their role in integrated management https://commons.ru.ac.za/vital/access/manager/Repository/vital:72071 Fri 26 Apr 2024 10:27:31 SAST ]]> Impacts of a sub-lethal dose of glyphosate on water hyacinth nutrients and its indirect effects on Neochetina weevils https://commons.ru.ac.za/vital/access/manager/Repository/vital:71481 Fri 26 Apr 2024 10:26:51 SAST ]]> Impact of insecticides on the reproductive potential of false codling moth, Thaumatotibia leucotreta (Meyrick, 1913)(Lepidoptera: Tortricidae) https://commons.ru.ac.za/vital/access/manager/Repository/vital:70238 Fri 26 Apr 2024 10:26:10 SAST ]]> Identity and origins of introduced and native Azolla species in Florida https://commons.ru.ac.za/vital/access/manager/Repository/vital:71634 Fri 26 Apr 2024 10:25:22 SAST ]]> Characterization of bioflocculants produced by consortia of three marine bacteria belonging to the genera bacillus and cobetia previously isolated from the bottom sediment of Algoa Bay in the Eastern Cape Province of South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:62804 Fri 24 Mar 2023 13:34:17 SAST ]]> The Personal Is the International https://commons.ru.ac.za/vital/access/manager/Repository/vital:57726 Fri 18 Nov 2022 05:51:31 SAST ]]> Gazing at Exhibit A https://commons.ru.ac.za/vital/access/manager/Repository/vital:49696 Fri 08 Apr 2022 12:51:50 SAST ]]> Opening up global food trade to developing countries: an evaluation of the World Trade Organisation's agreement on sanitary and phytosanitary measure https://commons.ru.ac.za/vital/access/manager/Repository/vital:67294 Fri 01 Sep 2023 12:10:39 SAST ]]>