• The quantity of dark matter in early-type galaxies and its relation to the environment 

  Nigoche-Netro, A.; Lagos, P.; Ramos-Larios, G.; De la Fuente, E.; Ruelas-Mayorga, A. (Oxford Univ Press, 2019)

  We study the behaviour of the dynamical and stellar mass inside the effective radius of early-type galaxies (ETGs) as a function of environment considering Newtonian dynamics, different surface-brightness profiles, different ...
• One year exposure to Cd- and Pb-contaminated soil causes metal accumulation and alteration of global DNA methylation in rats 

  Nakayama, Shouta M.M.; Ikenaka, Yoshinori; Nakata, Hokuto; Yabe, John; Oroszlany, Balazs (Elsevier, 2019)

  Metal pollution has been associated with anthropogenic activities, such as effluents and emissions from mines. Soil could be exposure route of wild rats to metals, especially in mining areas. The aim of this study was to ...
• Pyrolysis of tetralin liquefaction derived residues from lighter density fractions of waste coals taken from waste coal disposal sites in South Africa 

  Uwaoma, R.C.; Strydom, C.A.; Matjie, R.H.; Bunt, J.R.; Okolo, G.N. (ACS, 2019)

  The lighter density (<1.5 g/cm3) fractions produced from two waste coals sampled from the waste coal disposal sites at thermochemical plants situated in South Africa were used as feed materials for liquefaction with tetralin. ...
• Correlation of long-term cosmic-ray modulation with solar activity parameters 

  Caballero-Lopez, R.A.; Engelbrecht, N.E.; Richardson, J.D. (IOP Publishing, 2019)

  In this work, we analyze the long-term cosmic-ray modulation observed by the Hermanus neutron monitor, which is the detector with the longest cosmic-ray record, from 1957 July. For our study we use the force-field approximation ...
• Chemical additives enhance the activity of a Bt‐based biopesticide targeting the beet webworm larvae 

  Opisa, Selpha; Du Plessis, Hannalene; Akutse, Komivi Senyo; Fiaboe, Komi Kouma Mokpokpo; Ekesi, Sunday (Wiley, 2019)

  Spoladea recurvalis (Fbr.) (Lepidoptera: Crambidae) larvae can cause up to 100% foliage loss on amaranths during severe outbreaks. The Bacillus thuringiensis Subsp. kurstaki product Halt® is a biologically safe biopesticide ...
• A Toeplitz-like operator with rational symbol having poles on the unit circle iii: the adjoint 

  Groenewald, G.J.; Ter Horst, S.; Jaftha, J.; Ran, A.C.M. (Springer, 2019)

  This paper contains a further analysis of the Toeplitz-like operators Tω on Hp with rational symbol ω having poles on the unit circle that were previously studied in Groenewald (Oper Theory Adv Appl 271:239–268, ...
• Reverse flows within the pharmaceutical supply chain: a classificatory review from the perspective of end-of-use and end-of-life medicines 

  Viegas, Cláudia Viviane; Bond, Alan; Vaz, Caroline Rodrigues; Bertolo, Rubem Joao (Elsevier, 2019)

  The Pharmaceutical Supply Chain (PSC) is responsible for considerable environmental and product-value impacts. However, studies on the reverse flows of PSC do not capture the diverse routes of end-of-use and end-of-life ...
• A new genus and species of the family Microdispidae (Acari: Heterostigmata) associated with Trinervitermes trinervoides (Sjöstedt) (Isoptera: Termitidae) from South Africa 

  Khaustov, Alexander A.; Theron, Pieter D.; Hugo-Coetzee, Elizabeth A.; Ermilov, Sergey G. (Magnolia Press, 2019)

  A new genus and species of termitophilous microdispid mites, Sidorchukdispus ekaterinae gen. nov. and sp. nov. (Acari: Prostigmata: Microdispidae), associated with termites, Trinervitermes trinervoides (Sjöstedt) (Isoptera: ...
• Diatoms associated with two South African kelp species: Ecklonia maxima and Laminaria pallida 

  Mayombo, N.A.S.; Majewska, R.; Smit, A.J. (Taylor & Francis, 2019)

  Kelp forests are believed to host a large biomass of epiphytic fauna and flora, including diatoms, which constitute the base of aquatic food webs and play an important role in the transfer of energy to higher trophic levels. ...
• Facile immobilization of glucose oxidase onto gold nanostars with enhanced binding affinity and optimal function 

  Phiri, Masauso Moses; Mulder, Danielle Wingrove; Mason, Shayne; Vorster, Barend Christiaan (Royal Society, 2019)

  Gold nanoparticles provide a user-friendly and efficient surface for immobilization of enzymes and proteins. In this paper, we present a novel approach for enzyme bioconjugation to gold nanostars (AuNSs). AuNSs were modified ...
• A review on equine piroplasmosis: epidemiology, vector ecology, risk factors, host immunity, diagnosis and control 

  Onyiche, ThankGod E.; Thekisoe, Oriel; Suganuma, Keisuke; Igarashi, Ikuo; Yokoyama, Naoaki (MDPI, 2019)

  Equine Piroplasmosis (EP) is a tick-borne disease caused by apicomplexan protozoan parasites, Babesia caballi and Theileria equi. The disease is responsible for serious economic losses to the equine industry. It principally ...
• GIRRL power! Participatory Action Research for building girl-led community resilience in South Africa 

  Forbes-Genade, Kylah; Van Niekerk, Dewald (Sage, 2019)

  This article aims to crystallize the contributions of the Girls in Risk Reduction Leadership (GIRRL) Program in building resilient communities through the integration of adolescent girls into local level decision-making ...
• Key elements of an information security culture in organisations 

  Nel, Frans; Drevin, Lynette (Emerald, 2019)

  Purpose The purpose of this paper is to report on a study that investigated the information security culture in organisations in South Africa, with the aim of identifying key aspects of the culture. The unique aspects for ...
• Molecular characterisation of Meloidogyne enterolobii and other Meloidogyne spp. from South Africa 

  Rashidifard, Milad; Mienie, Charlotte M.S.; Fourie, Hendrika; Marais, Mariette; Daneel, Mieke Stefanie (Springer, 2019)

  Identification of Meloidogyne spp. is challenging when using only the classical techniques since some species share similar characteristics. In this study, 37 Meloidogyne populations were obtained from four provinces in ...
• Biological control of the root-knot nematode Meloidogyne incognita on tomatoes and carrots by plant growth-promoting rhizobacteria 

  Viljoen, Johannes J.F.; Fourie, Hendrika; Labuschagne, Nico; Sikora, Richard A. (Springer, 2019)

  In the current study 27 plant growth-promoting rhizobacteria (PGPR) strains were screened for biocontrol activity against Meloidogyne incognita on 6-week old carrot seedlings that were inoculated with a suspension of J2 ...
• A behavioral analysis of KdVB equation under the law of Mittag-Leffler function 

  Doungmo Goufo, Emile F.; Tenkam, H.M.; Khumalo, M. (Elsevier, 2019)

  The literature on fluid dynamics shows that there still exist number of unusual irregularities observed in wave motions described by the Korteweg–de Vries equation, Burgers equation or the combination of both, called ...
• Integrating social values with other value dimensions: parallel use vs. combination vs. full integration 

  Kronenberg, Jakub; Andersson, Erik (Springer, 2019)

  The need to link different valuation methods, especially beyond disciplinary realms, has been discussed at least since the 1990s, and recently it has gained special attention. In the present contribution to this debate, ...
• Genetic comparisons of fall armyworm populations from 11 countries spanning sub-Saharan Africa provide insights into strain composition and migratory behaviors 

  Nagoshi, Rodney N.; Du Plessis, Hannalene; Van den Berg, Johnnie; Goergen, Georg; Meagher, Robert (Nature, 2019)

  The recent discovery of fall armyworm (Spodoptera frugiperda, J.E. Smith) in Africa presents a significant threat to that continent’s food security. The species exhibits several traits in the Western Hemisphere that if ...
• Enhanced microbial hydrocarbon biodegradation as stimulated during field-scale landfarming of crude oil-impacted soil 

  Chikere, Chioma Blaise; Adeleke, Rasheed; Tekere, Memory (Elsevier, 2019)

  The study investigated microbial population dynamics and petroleum hydrocarbon degradation during 56-day landfarming bioremediation of crude oil-polluted soil at a Community in Niger Delta Nigeria. Landfarming involved the ...
• Efficacy of Bt Maize for control of Spodoptera frugiperda (Lepidoptera: Noctuidae) in South Africa 

  Botha, A.S.; Du Plessis, Hannalene; Van den Berg, Johnnie; Erasmus, Annemie (Oxford Univ Press, 2019)

  Spodoptera frugiperda (J.E. Smith) is an invasive pest species that threatens maize production by small holder farmers in Africa. Bt maize that express Cry proteins have been used effectively for control of this pest in ...

View more