• A one-pot laccase-catalysed synthesis of coumestan derivatives and their anticancer activity 

  Qwebani-Ogunleye, Tozama; Kolesnikova, Natalia I; Steenkamp, Paul A; De Koning, CB; Brady, D; Wellington, Kevin W (Elsevier, 2016-12)

  Suberase®, a commercial laccase from Novozymes, was used to catalyse the synthesis of coumestans. The yields, in some cases, were similar to or better than that obtained by other enzymatic, chemical or electrochemical ...
• Bio-synthesis of silver nanoparticles using agroforestry residue and their catalytic degradation for sustainable waste management 

  Anand, K; Kaviyarasu, K; Muniyasamy, Sudhakar; Roopan, SM; Gengan, RM; Chuturgoon, AA (Springer Verlag, 2017-07)

  The sustainable synthesis of nanoparticles provides an eco-friendly and interesting approach in the domain of clean synthesis and nanobiotechnology. The in vitro synthesis of silver nanoparticles from the aqueous extract ...
• Adsorption of oxyanions of As, B, Cr, Mo and Se from coal fly ash leachates using Al3+/Fe3+modified bentonite clay 

  Vhahangwele, M (University of Venda, 2013-01)

  South African coal-fired power stations rely on the use of low grade bituminous coal for electricity generation. During coal combustion processes, this type of coal generates large volume of waste materials which include ...
• Evaluation of mechanical properties of calotropis giganteastem fiber-rein forced composite material 

  Aruna, M; Muniyasamy, Sudhakar (2016-12)

  The awareness in natural fiber reinforced composite materials is rapidly growing both in terms of industrial applications and fundamental research. Natural fibers have recently become attractive to researchers, engineers ...
• A bibliometric analysis to illustrate the role of an embedded research capability in South African National Parks 

  Van Wilgen, BW; Boshoff, N; Smit, IPJ; Solano-Fernandez, S; Van der Walt, Luanita (Springer Verlag, 2016-04)

  We conducted a bibliometric analysis of research in or about South African National Parks, published between 2003 and 2013. Our goal was to identify the major research topics, and to examine the role of in-house (“embedded”) ...
• Chlorogenic acids biosynthesis in Centella asiatica cells is not stimulated by salicylic acid manipulation 

  Ncube, EN; Steenkamp, Paul A; Madala, NE; Dubery, IA (Springer, 2016-07)

  Exogenous application of synthetic and natural elicitors of plant defence has been shown to result in mass production of secondary metabolites with nutraceuticals properties in cultured cells. In particular, salicylic acid ...
• Metabolomic fingerprinting of primed tobacco cells provide the first evidence for the biological origin of cis-chlorogenic acid 

  Mhlongo, MI; Piater, LA; Steenkamp, Paul A; Madala, NE; Dubery, IA (Springer, 2015-01)

  Previous studies suggest that only transisomers of chlorogenic acid (CGA) are naturally produced. Cis-isomers have been noted in some plant tissues exposed to different mechanical processes as well as untreated tobacco ...
• Ecosystem services classification: A systems ecology perspective of the cascade framework 

  La Notte, A; D’Amato, D; Mäkinen, H; Paracchini, ML; Liquete, C; Egoh, Benis; Geneletti, D; Crossmang, ND (Elsevier, 2017-03)

  Ecosystem services research faces several challenges stemming from the plurality of interpretations of classifications and terminologies. In this paper we identify two main challenges with current ecosystem services ...
• Hyperformance: predicting high-speed performance of a b-double 

  Berman, Robert J; Benade, R; Rosman, Benjamin; Nordengen, Paul A (2016-11)

  This paper presents a data driven approach to develop a prediction model for the PBS performance of heavy vehicles. A gap exists between trailer manufacturers who create PBS vehicle designs and the PBS assessors who evaluate ...
• Stimulatory effects of acibenzolar-s-methyl on chlorogenic acids biosynthesis in Centella asiatica cells 

  Ncube, EN; Steenkamp, Paul A; Madala, NE; Dubery, IA (Springer, 2016-09)

  Centella asiatica is a perrenial herb that grows in tropical regions with numerous medicinal properties mostly attributed to the presence of pentacyclic triterpenoids. Interestingly, this plant also possess a significant ...
• Effect of geometrical isomerism of 3,5-dicaffeoylquinic acid on its binding affinity to HIV-integrase enzyme: a molecular docking study 

  Makola, MM; Dubery, IA; Koorsen, G; Steenkamp, Paul A; Kabanda, MM; Du Preez, LL; Madala, NE (Hindawi, 2016)

  A potent plant-derived HIV-1 inhibitor, 3,5-dicaffeoylquinic acid (diCQA), has been shown to undergo isomerisation upon UV exposure where the naturally occurring, 3(suptrans), 5(suptrans)-diCQA isomer gives rise to the ...
• Lipopolysaccharide-induced metabolome signature in Arabidopsis thaliana reveals dynamic reprogramming of Phytoalexin and Phytoanticipin pathways 

  Finnegan, T; Steenkamp, Paul A; Piater, LA; Dubery, IA (PLOS, 2016-09)

  Lipopolysaccharides (LPSs), as MAMP molecules, trigger the activation of signal transduction pathways involved in defence. Currently, plant metabolomics is providing new dimensions into understanding the intracellular ...
• The effect of temperature and methanol–water mixture on pressurized hot water extraction (PHWE) of anti-HIV analogoues from Bidens pilosa 

  Gbashi, S; Njobeh, P; Steenkamp, P; Tutu, H; Madala, N (BIOMED CENTRAL LTD, 2016-06)

  Pressurized hot water extraction (PHWE) technique has recently gain much attention for the extraction of biologically active compounds from plant tissues for analytical purposes, due to the limited use of organic solvents, ...
• Study on internal to surface fingerprint correlation using optical coherence tomography and internal fingerprint extraction 

  Darlow, LN; Connan, J (SPIE, 2015-11)

  Surface fingerprint scanners are limited to a two-dimensional representation of the fingerprint topography, and thus, are vulnerable to fingerprint damage, distortion, and counterfeiting. Optical coherence tomography (OCT) ...
• Evaluation of an inexpensive growth medium for direct detection of Escherichia coli in temperate and sub-tropical waters 

  Bain, RES; Woodall, C; Elliott, J; Arnold, BF; Tung, R; Morley, R; du Preez, M; Bartram, JK; Davis, AP; Gundry, SW; Pedley, S (PLOS ONE, 2015-10)

  The cost and complexity of traditional methods for the detection of faecal indicator bacteria, including E. coli, hinder widespread monitoring of drinking water quality, especially in lowincome countries and outside ...
• Synthesis of porous magnesite-bentonite clay composite and its application for neutralisation and attenuation of inorganic contaminants in acidic and metalliferous mine drainage 

  Masindi, Vhahangwele; Mugera, GW; Hlanganani, T; De Beer, Morris (2015-08)

  This paper evaluated the application of cryptocrystalline magnesite-bentonite clay composite for treatment of acid mine drainage (AMD). Bench laboratory studies were used to evaluate the treatment of AMD.
• High-performance towards removal of toxic hexavalent chromium from aqueous solution using graphene oxide-alpha cyclodextrin-polypyrrole nanocomposites 

  Chauke, VP; Maity, A; Chetty, A (Elsevier, 2015-07)

  Graphene oxide (GO) was functionalized with alpha cyclodextrin (aCD) through a covalent bond to form GO-aCD nanocomposites (NC). GO-aCD NC was further modified with polypyrrole (PPY) to afford an advanced GO-aCD-PPY NC for ...
• Kinetics and equilibrium studies for removal of fluoride from underground water using cryptocrystalline magnesite 

  Masindi, Vhahangwele; Gitari, WM; Ngulube, T (IWA Publishing, 2015-09)

  In the present study, the defluoridation capabilities and adsorption mechanisms of cryptocrystalline magnesite were evaluated. All experiments were done by batch procedure. Conditions assessed include time, dosage, ...
• Synthesis of nanocomposite of cryptocrystalline magnesite-bentonite clay and its application for phosphate removal from municipal effluents 

  Masindi, Vhahangwele; Gitari, WM; Pindihama, KG (2015-07)

  In the present study, nanocomposite of cryptocrystalline magnesite-bentonite clay was used as a novel technology for removal of phosphates from municipal effluents. Vibratory ball miller was used for fabrication of the ...
• SAIChE Conference Poster: Irradiation treatment of dissolving pulps produced in South Africa 

  Ocwelwang, A; Sithole, Bruce; Ramjugemath, D (SAIChE-IChemE, 2014-07)

  Dissolving pulp refers to purified wood derived chemical pulps made up of more than 90% cellulose content and traces of other wood components such as hemicellulose and lignin. This poster highlights the irradiation treatment ...

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