• Scientific assessments: Matching the process to the problem 

  Scholes, RJ; Schreiner, G; Snyman-Van der Walt, L (AOSIS Publishing, 2017-01)

  Background: The science–policy interface process – known as a ‘scientific assessment’ – has risen to prominence in the past few decades. Complex assessments are appropriate for issues which are both technically complicated, ...
• Using social media information in transport- and urban planning in South Africa 

  Van Heerden, Quentin (Smart and Sustainable Built Environment (SASBE), 2015-12)

  Transport- and urban planning often involves the use of large-scale simulation modelling with data sources that include, among others, the national census, the National Household and Travel Survey (NHTS) as well as trip ...
• A microfluidic device for rapid screening of E. coli O157:H7 based on IFAST and ATP bioluminescence assay for water analysis 

  Ngamsom, B; Truyts, Alma E; Fourie, Louis J; Kumar, Shavon; Iles, A; Moodley, Klariska; Land, Kevin J; Pamme, N; Tarn, MD (Wiley, 2017-08)

  We present a simple microfluidic system for rapid screening of Escherichia coli (E. coli) O157:H7 employing the specificity of immunomagnetic separation (IMS) via immiscible filtration assisted by surface tension (IFAST), ...
• Phototransfection of mouse embryonic stem cells with plasmid DNA using femtosecond laser pulses 

  Thobakgale, Setumo L; Manoto, Sello L; Ombinda-Lemboumba, Saturnin; Maaza, M; Mthunzi-Kufa, Patience (SPIE, 2017-02)

  Cellular manipulation by delivery of molecules into cells has been applied extensively in tissue engineering research for medical applications. The different molecular delivery techniques used range from viral and chemical ...
• The effects of mutating Tyr9 and Arg15 on the structure, stability, conformational dynamics and mechanism of GSTA3-3 

  Robertson, GJ; Stoychev, Stoyan H; Sayed, Y; Achilonu, I; Dirr, HW (Elsevier, 2017-03)

  Glutathione S-transferase A3-3 is the most catalytically efficient steroid isomerase enzyme known in humans, transforming Δ5-androstene-3-17-dione into Δ4-androstene-3-17-dione. GSTA3-3 catalyzes this reaction with ten-fold ...
• 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, ...
• Defining the Blue economy 

  Smith-Godfrey, S (Taylor&Francis, 2016)

  Oceans are increasingly gaining in importance in terms of enabling international trade via linking sellers and buyers. The behaviour patterns of such linking enablers on the oceans are receiving more attention from a ...
• 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) ...

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