• Photocatalytic degradation of nevirapine with a heterostructure of few-layer black phosphorus coupled with niobium (V) oxide nanoflowers (FL-BP@Nb2O5) 

  Bhembe, YA; Lukhele, LP; Hlekelele, Lerato; Ray, Suprakas S; Sharma, A; Vo, Dai-Viet N; Dlamini, LN (Elsevier, 2020-12)

  The degradation and removal of antiviral drugs in water has emerged remains a major challenge. This work presents, the photodegradation of nevirapine (NVP) with a novel p-n heterostructure of FL-BP@Nb2O5 nanoparticles ...
• Influence of magnetic nanoparticles on modified polypyrrole/m-phenylediamine for adsorption of Cr(VI) from aqueous solution 

  Maponya, TC; Ramohlola, Kabelo Edmond; Kera, Nazia H; Modibane, KD; Maity, Arjun; Katata-Seru, LM; Hato, MP (MDPI, 2020-03)

  A novel, modified polypyrrole/m-phenylediamine (PPy–mPD) composite, decorated with magnetite (Fe3O4) nanoparticles, and prepared via an in-situ oxidative polymerisation, was investigated. The PPy–mPD/Fe3O4 nanocomposite ...
• Metal oxides and noble metals application in organic solar cells 

  Maake, Popoti J; Bolokang, Amogelang S; Arendse, CJ; Vohra, V; Iwuoha, EI; Motaung, DE (Elsevier, 2020-09)

  The integration of noble metals nanostructures can be an effective method to improve the performance of organic solar cells by scattering the incident light that reaches the active layer. The resulting elongated active ...
• Open search unveils modification patterns in formalin-fixed, paraffin-embedded thermo HCD and SCIEX TripleTOF shotgun proteomes 

  Tabb, DL; Murugan, BD; Okendo, J; Nair, O; Blackburn, JM; Buthelezi, Sindisiwe G; Stoychev, Stoyan H (Elsevier, 2020-02)

  The application of database search algorithms with very wide precursor mass tolerances for the “Open Search” paradigm has brought new efforts at post-translational modification discovery in shotgun proteomes. This approach ...
• A framework for implementing a data science capability in a military intelligence system 

  Van 't Wout, Magdalena C; Ball, Shaun V; Oosthuizen, Rudolph (International Command and Control Research & Technology Symposium, 2019-10)

  Modern day conflicts give rise to complex problems that traditional military intelligence approaches and tools struggle to resolve. There is a need for prediction and/or forecasting in the military domain based on effective ...
• Optimizing and characterizing a home-built Raman spectroscopy optical system using polystyrene microspheres 

  Thobakgale, Setumo L; Ombinda-Lemboumba, Saturnin; Mthunzi-Kufa, Patience; Malabi, Rudzani (SPIE, 2019-02)

  In the recent decade, Raman spectroscopy has played a key role in photonics as a powerful method suited for detection, diagnosis and screening applications across various industrial fields. In this work, we propose a home ...
• Investigation and calibration of nonessential amino acids using a custom built Raman spectroscopy system 

  Thobakgale, Setumo L; Ombinda-Lemboumba, Saturnin; Mthunzi-Kufa, Patience (SPIE, 2019-02)

  Nonessential amino acids (NEAAs) are the building blocks for producing proteins of various functionalities within living systems. For example, from NEAAs, humans produce proteins that are important for cell repair, cell ...
• Thermal-chemical and biodegradation behaviour of alginic acid treated flax fibres/ poly(hydroxybutyrate-co-valerate) PHBV green composites in compost medium 

  Muniyasamy, Sudhakar; Ofosu, Osei; Thulasinathan, B; Rajan, AST; Ramu, SM; Soorangkattan, S; Muthuramalingam, JB; Alagarsamy, A (Elsevier, 2019-11)

  In this study, thermal-chemical and biodegradation behaviour of green composites based on flax fibres untreated and treated with alginic acid treated, and poly hydroxybutyrate-co-valerate (PHBV) were studied under composting ...
• UPLC-MS profiling, identification of major peaks and comparison of Harpagophytum procumbens extracts from different locations 

  Steenkamp, Paul A; Steenkamp, Lucia H (Elsevier Science BV, 2019-08)

  Organic extracts (methanol:acetonitrile (1:1 v/v)) of the dried and grounded secondary tubers of Devil's Claw, Harpagophytum procumbens (Burch.) DC. ex Meisn., produced extracts rich in iridoid glucosides. An UPLC-MS ...
• Biodiesel production from Ulva linza, Ulva tubulosa, Ulva fasciata, Ulva rigida, Ulva reticulate by using Mn2ZnO4 heterogenous nanocatalysts 

  Sivaprakasha, G; Kohanrasua, M; Ananthia, V; Jothibasu, M; Duc Nguyend, D; Ravindran, B; Chang, SW; Nguyen-Tri, P; Tran, N; Muniyasamy, Sudhakar (Elsevier, 2019-11)

  Seaweeds are found abundance in most seashores. They contain relatively high lipid contents and are exhibiting medicinal properties. The present work focused on the use of seaweed species Ulva linza, U. tubulosa, U. fasciata, ...
• Winter and summer distributions of Copper, Zinc and Nickel along the International GEOTRACES Section GIPY05: Insights into deep winter mixing 

  Cloete, R; Loock, JC; Mtshali, Thato N; Fietz, S; Roychoudhury, AN (Elsevier, 2019-04)

  First measurements of labile dissolved copper (LdCu) and dissolved zinc (dZn) and nickel (dNi) in the Atlantic sector of the Southern Ocean in winter are compared with summer data at reoccupied stations in order to better ...
• RDSMS – A South African research and development survey management system 

  Engelbrecht, Louis; Featherstone, Coral; Matyila, Pule M; Du Toit, Kirsten; Fogwill, Thomas A; Alberts, Ronell (IEEE, 2018-05)

  Annual R&D surveys are conducted by the South African Centre for Science, Technology and Innovation Indicators (CeSTII). To improve the current system supporting their business processes for the completion of surveys, the ...
• The forkhead domain hinge-loop plays a pivotal role in DNA binding and transcriptional activity of FOXP2 

  Morris, G; Stoychev, Stoyan H; Naicker, Previn; Dirr, HW; Fanucchi, Stephanie (De Gruyter, 2018-07)

  Forkhead box (FOX) proteins are a ubiquitously expressed family of transcription factors that regulate the development and differentiation of a wide range of tissues in animals. The FOXP subfamily members are the only known ...
• Isotopic evidence for nitrification in the Antarctic winter mixed layer 

  Smart, SM; Fawcett, SE; Thomalla, Sandy J; Weigand, MA; Reason, CJC; Sigman, DM (AGU Publications, 2015-04)

  We report wintertime nitrogen and oxygen isotope ratios (δ15N and δ18O) of seawater nitrate in the Southern Ocean south of Africa. Depth profile and underway surface samples collected in July 2012 extend from the subtropics ...
• The effect of g-C3N4 materials on Pb(II) and Cd(II) detection using disposable screen-printed sensors 

  Zheng, Haitao; Ntuli, Letta; Mbanjwa, Mesuli; Palaniyandy, Nithyadharseni; Smith, Suzanne; Modibedi, Remegia M; Land, Kevin J; Mathe, Mahlanyane K (Springer, 2018-12)

  The disposable electrochemical sensors were designed and fabricated onto a photo paper substrate in-house. We report a first case use of g-C3N4, which is an emerging material as the most stable carbon-like polymer, explored ...
• Profiling of botanical extracts for authentication, detection of adulteration and quality control using UPLC-QTOF-MS 

  Steenkamp, Paul A; Steenkamp, Lucia H; Mancama, Dalubuhle T (Springer, 2018-01)

  Herbs and plant extracts are very popular and are being used by all cultures for healthcare and as food supplements. The correct identification of the required plant material is vital for formulation of final formulas for ...
• Multi-residue method for the determination of selected veterinary pharmaceutical residues in surface water around Livestock Agricultural farms 

  Fatoki, OS; Opeolu, BO; Genthe, Bettina; Olatunji, OS (Elsevier, 2018-12)

  A multi-residue method for the determination of the occurrence and prevalence levels of selected veterinary pharmaceutical residues in surface water was developed on a high performance liquid chromatography coupled to ...
• Chaining the building blocks for blockchain implementations in South Africa's public sector 

  Van Heerden, Quintin; Steenkamp, Anton J; Van Heerden, M (SAIIE, 2018-10)

  The emergence of the 4th industrial revolution has brought about several technological advancements in which blockchain fulfils a prominent role. To most people, the notion of blockchain is merely synonymous with the popular ...
• Screening of potential bioremediation enzymes from hot spring bacteria using conventional plate assays and liquid chromatography - Tandem mass spectrometry (Lc-Ms/Ms) 

  Jardine, JL; Stoychev, Stoyan H; Mavumengwana, V; Ubomba-Jaswa, E (2018-07)

  The search for an eco-friendly, non-toxic, economical and efficient means of cleaning water through bioremediation is not only more favourable but critical to maintaining water quality globally especially in water-scarce ...
• A geospatial modelling approach to simulating the impact of future planning policies on the City of Tshwane 

  Ludick, C; Le Roux, Alize (2018-09)

  Many researchers believe that no matter what path a country takes towards economic development the end result will lead to urbanisation. Rapid urban growth will have a major influence on the social, economic and political ...

View more