https://commons.ufh.ac.za/vital/access/manager/Index ${session.getAttribute("locale")} 5 More is not necessarily better: the interaction between insect population density and culture age of fungus on the control of invasive weed water hyacinth https://commons.ufh.ac.za/vital/access/manager/Repository/vital:72183 Wed 24 Apr 2024 11:09:07 SAST ]]> A perfect end: A study of syllable codas in South African Sign Language https://commons.ufh.ac.za/vital/access/manager/Repository/vital:68005 Wed 20 Sep 2023 11:56:21 SAST ]]> Photophysicochemical behaviour of anionic indium phthalocyanine when grafted onto AgxAuy and porous silica nanoparticles https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44796 Wed 20 Oct 2021 10:03:18 SAST ]]> Electrode modification through click chemistry using Ni and Co alkyne phthalocyanines for electrocatalytic detection of hydrazine https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50049 Wed 20 Apr 2022 09:55:43 SAST ]]> Assessing the potential role of microorganisms in the production of seedlings for the restoration of Albany Thicket https://commons.ufh.ac.za/vital/access/manager/Repository/vital:28558 Wed 19 Apr 2023 15:20:12 SAST ]]> Nanosecond optical nonlinearities in low symmetry phthalocyanine nanoconjugates studied using the Z-scan technique https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44729 Wed 13 Oct 2021 13:48:15 SAST ]]> Homecoming https://commons.ufh.ac.za/vital/access/manager/Repository/vital:41185 Wed 12 May 2021 14:57:02 SAST ]]> Geological study and economic evaluation of the Paardeplaats Coal Exploration Project https://commons.ufh.ac.za/vital/access/manager/Repository/vital:27452 Wed 12 Apr 2023 15:20:27 SAST ]]> Investigating the expression of three small open reading frames encoded on Helicoverpa armigera stunt virus RNA 1 https://commons.ufh.ac.za/vital/access/manager/Repository/vital:27448 Wed 12 Apr 2023 14:17:39 SAST ]]> Contributions to the study of nonholonomic Riemannian manifolds https://commons.ufh.ac.za/vital/access/manager/Repository/vital:21272 Wed 12 Apr 2023 11:50:41 SAST ]]> Improved photocatalytic degradation of Orange G using hybrid nanofibers https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50750 Wed 10 Aug 2022 06:58:03 SAST ]]> Education in the Anthropocene: Ethico-moral dimensions and critical realist openings https://commons.ufh.ac.za/vital/access/manager/Repository/vital:66620 Wed 08 May 2024 20:09:24 SAST ]]> Distributed leadership in South Africa https://commons.ufh.ac.za/vital/access/manager/Repository/vital:55684 Wed 08 May 2024 19:48:38 SAST ]]> Platinum nanoparticles supported on carbon nanodots as anode catalysts for direct alcohol fuel cells https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50058 Wed 08 May 2024 15:37:34 SAST ]]> Exploiting Click Chemistry for the Covalent Immobilization of Tetra (4-Propargyloxyphenoxy) Metallophthalocyanines onto Phenylazide-Grafted Gold Surfaces https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44824 Wed 08 May 2024 15:37:12 SAST ]]> Electrocatalytic behaviour of surface confined pentanethio cobalt (II) binuclear phthalocyanines towards the oxidation of 4-chlorophenol https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44726 Wed 08 May 2024 15:36:50 SAST ]]> Photophysical studies of 2, 6-dibrominated BODIPY dyes substituted with 4-benzyloxystyryl substituents https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50053 Wed 08 May 2024 15:14:27 SAST ]]> Photophysical and optical limiting properties of a novel distyryl-BODIPY with fused crown ether moieties https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50749 Wed 08 May 2024 15:13:53 SAST ]]> Optical Limiting Properties of 3, 5-Dithienylenevinylene BODIPY Dyes at 532 nm https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44833 Wed 08 May 2024 15:13:27 SAST ]]> Optical limiting properties of 3, 5-diphenyldibenzo-azaBODIPY at 532 nm https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50022 Wed 08 May 2024 15:12:58 SAST ]]> Optical limiting properties of 2, 6-dibromo-3, 5-distyrylBODIPY dyes at 532 nm https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44991 Wed 08 May 2024 15:12:33 SAST ]]> Nonlinear optical dynamics of benzothiazole derivatized phthalocyanines in solution, thin films and when conjugated to nanoparticles https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44993 Wed 08 May 2024 15:12:03 SAST ]]> Investigation of photophysicochemical properties of zinc phthalocyanines conjugated to metallic nanoparticles https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50089 Wed 08 May 2024 15:11:41 SAST ]]> Highly efficient CCl bond cleavage and unprecedented CC bond cleavage of environmentally toxic DDT through molecular electrochemical catalysis https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44798 Wed 08 May 2024 15:10:59 SAST ]]> Halogen substituted A2B type Co (III) triarylcorroles https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50051 Wed 08 May 2024 15:10:29 SAST ]]> Flexible Metal–Porphyrin Dimers (M= MnIIICl, CoII, NiII, CuII) https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50754 Wed 08 May 2024 15:10:04 SAST ]]> Enantioselective electrochemical carbon-chloride bond cleavage of hexachlorocyclohexanes (HCHs) catalyzed by Mn (III) Cl-phthalocyanine https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44831 Wed 08 May 2024 15:09:36 SAST ]]> Electronic structure and NH-tautomerism of a novel metal-free phenanthroline-annelated phthalocyanine https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50751 Wed 08 May 2024 15:08:49 SAST ]]> Cu (III) triarylcorroles with asymmetric push–pull meso-substitutions https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50040 Wed 08 May 2024 15:08:26 SAST ]]> Aza boron-pyridyl-isoindoline analogues https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50037 Wed 08 May 2024 15:07:57 SAST ]]> A2B type copper (III) corroles containing zero-to-five fluorine atoms https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50604 Wed 08 May 2024 15:07:33 SAST ]]> 4-Bis (4-aminophenoxy) phenoxy derivitized phthalocyanine conjugated to metallic nanoparticles https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44802 Wed 08 May 2024 15:07:03 SAST ]]> Photolytic changes in the morphology of porphyrin-phthalocyanine nanostructures (P-PcNs) in the presence of platinum and gold salts https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44992 Wed 03 Nov 2021 11:06:21 SAST ]]> Outcome and impact assessment in the comprehensive evaluation of rural ICT projects in developing countries https://commons.ufh.ac.za/vital/access/manager/Repository/vital:28548 Wed 01 Dec 2021 08:36:03 SAST ]]> Biosynthesis of silver nanoparticles from Acacia mearnsii De Wild stem bark and its antinociceptive properties https://commons.ufh.ac.za/vital/access/manager/Repository/vital:37774 Tue 27 Feb 2024 09:18:39 SAST ]]> Laser induced photodegradation of Orange G using phthalocyanine–cobalt ferrite magnetic nanoparticle conjugates electrospun in polystyrene nanofibers https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44769 Tue 19 Oct 2021 09:13:34 SAST ]]> Electrode modification through click chemistry using Ni and Co alkyne phthalocyanines for electrocatalytic detection of hydrazine https://commons.ufh.ac.za/vital/access/manager/Repository/vital:51076 Tue 17 May 2022 14:35:36 SAST ]]> Integrating biodiversity considerations into urban golf courses: Managers’ perceptions and woody plant diversity in the Eastern Cape, South Africa https://commons.ufh.ac.za/vital/access/manager/Repository/vital:43356 Tue 09 Apr 2024 15:40:45 SAST ]]> Facile synthesis of glutathione-l-Cysteine co-capped CdTe core shell system https://commons.ufh.ac.za/vital/access/manager/Repository/vital:45518 Tue 07 May 2024 15:49:36 SAST ]]> Exports, capital formation and economic growth in South Africa https://commons.ufh.ac.za/vital/access/manager/Repository/vital:69145 Tue 07 May 2024 08:54:55 SAST ]]> Facilitators for and barriers to the implementation of National Tuberculosis Management Guidelines https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44607 Tue 05 Mar 2024 11:24:21 SAST ]]> Characterization of phthalocyanine functionalized quantum dots by dynamic light scattering, laser Doppler, and capillary electrophoresis https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50595 Tue 03 May 2022 11:57:19 SAST ]]> First example of nonlinear optical materials based on nanoconjugates of sandwich phthalocyanines with quantum dots https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50577 Tue 03 May 2022 10:57:04 SAST ]]> Academy of Pharmaceutical Sciences https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44270 Thu 26 Aug 2021 05:19:54 SAST ]]> Biogeographical comparison of the emergent macrophyte, Sagittaria platyphylla in its native and introduced ranges https://commons.ufh.ac.za/vital/access/manager/Repository/vital:71631 Thu 25 Apr 2024 16:11:29 SAST ]]> Nonlinear interactions of zinc phthalocyanine-graphene quantum dots nanocomposites: Investigation of effects of surface functionalization with heteroatoms https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44757 Thu 20 Jul 2023 10:54:00 SAST ]]> A systems thinking approach to e-government strategy formulation for water service delivery in South African local municipalities https://commons.ufh.ac.za/vital/access/manager/Repository/vital:28547 Thu 20 Apr 2023 12:18:21 SAST ]]> Composition and fate of triclosan in the sludge from wastewater treatment in Grahamstown, South Africa and Tiaret, Algeria https://commons.ufh.ac.za/vital/access/manager/Repository/vital:28697 Thu 20 Apr 2023 10:03:31 SAST ]]> Effects of covalent versus non-covalent interactions on the electrocatalytic behavior of tetracarboxyphenoxyphthalocyanine in the presence of multi-walled carbon nanotubes https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44740 Thu 14 Oct 2021 10:56:33 SAST ]]> Electrocatalytic application for gold nanoparticles decorated sulfur-nitrogen co-doped graphene oxide nanosheets and nanosized cobalt tetra aminophenoxy phthalocyanine conjugates https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44739 Thu 14 Oct 2021 10:49:26 SAST ]]> Azide-derivatized gold nanosphere “clicked” to indium and zinc phthalocyanines for improved nonlinear optical limiting https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44738 Thu 14 Oct 2021 10:42:20 SAST ]]> Development and assessment of gastric-retentive sustained release metronidazole microcapsules https://commons.ufh.ac.za/vital/access/manager/Repository/vital:27491 Thu 13 Apr 2023 14:17:25 SAST ]]> Formulation development, manufacture and evaluation of hydralazine hydrochloride microspheres https://commons.ufh.ac.za/vital/access/manager/Repository/vital:27482 Thu 13 Apr 2023 10:12:27 SAST ]]> Photophysical studies of meso-tetrakis (4-nitrophenyl) and meso-tetrakis (4-sulfophenyl) gallium porphyrins loaded into Pluronic F127 polymeric micelles https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50060 Thu 11 Aug 2022 12:44:30 SAST ]]> Photophysical properties of GaCl 5, 10, 15, 20-tetra (1-pyrenyl) porphyrinato incorporated into Pluronic F127 micelle https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50056 Thu 11 Aug 2022 12:44:06 SAST ]]> Photophysical and nonlinear optical study of benzothiazole substituted phthalocyanines in solution and thin films https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50055 Thu 11 Aug 2022 12:43:30 SAST ]]> Optical limiters with improved performance based on nanoconjugates of thiol substituted phthalocyanine with CdSe quantum dots and Ag nanoparticles https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50605 Thu 11 Aug 2022 12:42:51 SAST ]]> Improving singlet oxygen generating abilities of phthalocyanines https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44800 Thu 11 Aug 2022 12:42:19 SAST ]]> Improved nonlinear optical behaviour of ball type indium (III) phthalocyanine linked to glutathione capped nanoparticles https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50752 Thu 11 Aug 2022 12:41:49 SAST ]]> Effects of charge on the photophysicochemical properties of zinc phthalocyanine derivatives doped onto silica nanoparticles https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44728 Thu 11 Aug 2022 12:41:14 SAST ]]> Characterization of conjugates of NaYF4 https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50589 Thu 11 Aug 2022 12:40:42 SAST ]]> Modelling dialectical processes in environmental learning https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57219 Thu 09 May 2024 06:34:35 SAST ]]> Evaluating the potential of monometallic and bimetallic nanomaterials as horseradish peroxidase mimetics https://commons.ufh.ac.za/vital/access/manager/Repository/vital:28694 Thu 02 Dec 2021 20:25:58 SAST ]]> Book Review: Democratic South Africa's foreign policy https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57721 Sun 23 Oct 2022 22:21:26 SAST ]]> Nanocomposites of sulphur-nitrogen co-doped graphene oxide nanosheets and cobalt mono carboxyphenoxy phthalocyanines for facile electrocatalysis https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50753 Sat 07 May 2022 14:49:31 SAST ]]> Graphene quantum dots decorated with maleimide and zinc tetramaleimido-phthalocyanine: Application in the design of “OFF-ON” fluorescence sensors for biothiols https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44741 Sat 04 Dec 2021 12:28:44 SAST ]]> Effects of substituents on the electrocatalytic activity of cobalt phthalocyanines when conjugated to graphene quantum dots https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44737 Sat 04 Dec 2021 12:27:33 SAST ]]> Graphene quantum dots coordinated to mercaptopyridine-substituted phthalocyanines: Characterization and application as fluorescence “turn ON” nanoprobes https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44742 Sat 04 Dec 2021 12:24:31 SAST ]]> Fluorescence behaviour of supramolecular hybrids containing graphene quantum dots and pyrene-derivatized phthalocyanines and porphyrins https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44801 Sat 04 Dec 2021 12:24:07 SAST ]]> Characterization and physicochemical studies of the conjugates of graphene quantum dots with differently charged zinc phthalocyanines https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44829 Sat 04 Dec 2021 12:23:24 SAST ]]> Graphene quantum dots anchored onto mercaptopyridine-substituted zinc phthalocyanine-Au@ Ag nanoparticle hybrid: Application as fluorescence “off-on-off” sensor for Hg2+ and biothiols https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44731 Sat 04 Dec 2021 12:18:08 SAST ]]> Photophysical properties of a series of alloyed and non-alloyed water-soluble l-cysteine-capped core quantum dots https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44758 Sat 04 Dec 2021 12:16:50 SAST ]]> Application of graphene quantum dots functionalized with thymine and thymine-appended zinc phthalocyanine as novel photoluminescent nanoprobes https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44760 Sat 04 Dec 2021 12:10:26 SAST ]]> Multiple drivers of local (non-) compliance in community-based marine resource management: Case studies from the South Pacific https://commons.ufh.ac.za/vital/access/manager/Repository/vital:71744 Mon 29 Apr 2024 12:09:35 SAST ]]> Comparative fish ecology in three periodically connected rivers in the upper Zambezi and Okavango ecoregions https://commons.ufh.ac.za/vital/access/manager/Repository/vital:28660 Mon 24 Apr 2023 08:33:54 SAST ]]> Photophysicochemical behaviour of metallophthalocyanines when doped onto silica nanoparticles https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44761 Mon 18 Oct 2021 14:04:56 SAST ]]> Calcium supplementation commencing before or early in pregnancy, or food fortification with calcium, for preventing hypertensive disorders of pregnancy https://commons.ufh.ac.za/vital/access/manager/Repository/vital:45261 Mon 15 Nov 2021 14:27:02 SAST ]]> Incidence of unnatural deaths in Transkei subregion of South Africa (1996 –2015) https://commons.ufh.ac.za/vital/access/manager/Repository/vital:45258 Mon 15 Nov 2021 12:53:44 SAST ]]> Effects of symmetry and the number of positive charges on the photocatalytic activity of indium phthalocyanines when embedded in electrospun fibers https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44743 Mon 15 Aug 2022 16:01:51 SAST ]]> Photophysical behavior and photodynamic therapy activity of conjugates of zinc monocarboxyphenoxy phthalocyanine with human serum albumin and chitosan https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44759 50% in all their tested concentrations (3.6 to 57.1) μg/mL. Thus, conjugation of ZnMCPPc to HSA and chitosan improves its dark cytotoxicity, an important criteria for molecules meant for photodynamic therapy. Complex 1 showed the most efficacious PDT activity with cell viability more than 50% at concentration range of (14.3 to 57.1) μg/mL in comparison to the conjugates which only showed more than 50% cell viability at 28.6 μg/mL and 57.1 μg/mL for 1-HSA and 57.1 μg/mL for 1-Chitosan.]]> Mon 13 Nov 2023 20:11:43 SAST ]]> Population size and development history determine street tree distribution and composition within and between Eastern Cape towns, South Africa https://commons.ufh.ac.za/vital/access/manager/Repository/vital:43392 Mon 08 Aug 2022 08:16:34 SAST ]]> Local knowledge on the uses, habitat, and change in abundance of multipurpose mimusops species in Benin https://commons.ufh.ac.za/vital/access/manager/Repository/vital:43699 Mon 08 Aug 2022 08:10:26 SAST ]]> How compatible are urban livestock and urban green spaces and trees?: An assessment in a medium-sized South African town https://commons.ufh.ac.za/vital/access/manager/Repository/vital:43694 Mon 08 Aug 2022 08:07:56 SAST ]]> Forest degradation and invasive species synergistically impact Mimusops andongensis (Sapotaceae) in Lama Forest Reserve, Benin https://commons.ufh.ac.za/vital/access/manager/Repository/vital:43792 Mon 08 Aug 2022 08:04:38 SAST ]]> Children and wild foods in the context of deforestation in rural Malawi https://commons.ufh.ac.za/vital/access/manager/Repository/vital:43800 Mon 08 Aug 2022 06:48:43 SAST ]]> Abundance, population structure and harvesting selection of two palm species (Hyphaene coriacea and Phoenix reclinata) in Zitundo area, southern Mozambique https://commons.ufh.ac.za/vital/access/manager/Repository/vital:43789 Mon 08 Aug 2022 06:40:59 SAST ]]> Forest resources income, poverty and income inequality: evidence from rural households in South-western Nigeria. https://commons.ufh.ac.za/vital/access/manager/Repository/vital:43119 Mon 07 Jun 2021 15:33:11 SAST ]]> An Investigation into the community's experience of the land claim process: the case study of Cwengcwe village in King Williams Town, Eastern Cape https://commons.ufh.ac.za/vital/access/manager/Repository/vital:66011 Fri 28 Jul 2023 14:38:03 SAST ]]> Investigation on the nature of records management in the office of the Premier Supply Chain management https://commons.ufh.ac.za/vital/access/manager/Repository/vital:69319 Fri 27 Oct 2023 11:36:29 SAST ]]> Genetic matching of invasive populations of the African tulip tree, Spathodea campanulata Beauv.(Bignoniaceae), to their native distribution: Maximising the likelihood of selecting host-compatible biological control agents https://commons.ufh.ac.za/vital/access/manager/Repository/vital:70207 Fri 26 Apr 2024 11:04:01 SAST ]]> Graphene quantum dot-phthalocyanine polystyrene conjugate embedded in asymmetric polymer membranes for photocatalytic oxidation of 4-chlorophenol https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44825 Fri 22 Oct 2021 11:43:33 SAST ]]> Impact of fire frequency on woody community structure and soil nutrients in the Kruger National Park https://commons.ufh.ac.za/vital/access/manager/Repository/vital:43776 Fri 10 May 2024 16:02:02 SAST ]]> Harvesting impacts on commonly used medicinal tree species (Catha edulis and Rapanea melanophloeos) under different land management regimes in the Mpumalanga Lowveld, South Africa https://commons.ufh.ac.za/vital/access/manager/Repository/vital:43728 Fri 10 May 2024 15:49:58 SAST ]]> Effectiveness of Africa's tropical protected areas for maintaining forest cover https://commons.ufh.ac.za/vital/access/manager/Repository/vital:71336 Fri 10 May 2024 14:39:49 SAST ]]> Beyond benefit sharing: Place attachment and the importance of access to protected areas for surrounding communities https://commons.ufh.ac.za/vital/access/manager/Repository/vital:71334 Fri 10 May 2024 14:39:12 SAST ]]> Household wealth status and natural resource use in the Kat River valley, South Africa https://commons.ufh.ac.za/vital/access/manager/Repository/vital:43717 Fri 10 May 2024 13:07:36 SAST ]]> Ecosystem-scale impacts of non-timber forest product harvesting: Effects on soil nutrients https://commons.ufh.ac.za/vital/access/manager/Repository/vital:43309 Fri 10 May 2024 03:42:47 SAST ]]> Aspect and slope as determinants of vegetation composition and soil properties in coastal forest backdunes of Eastern Cape, South Africa https://commons.ufh.ac.za/vital/access/manager/Repository/vital:43358 Fri 10 May 2024 03:42:18 SAST ]]> Challenges of information and communication technology policy implementation in rural South Africa https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44611 Fri 01 Mar 2024 08:54:53 SAST ]]> Performing mindful creativity https://commons.ufh.ac.za/vital/access/manager/Repository/vital:49236 Fri 01 Apr 2022 11:16:01 SAST ]]>