• Can cash break the cycle of educational risks for young children in high HIV–affected communities? A cross–sectional study in South Africa and Malawi 

  Sherr, Lorraine; Tomlinson, Mark; Macedo, Ana; Skeen, Sarah; Hensels, Imca Sifra; Cluver, Lucie Dale (Edinburgh University Global Health Society, 2017)

  Background: Household cash grants are associated with beneficial outcomes; enhanced if provided in combination with care. Objectives: This study describes the impact of cash grants and parenting quality on 854 ...
  
  
• Numerical optimisation of a small-scale wind turbine through the use of surrogate modelling 

  Erfort, Gareth; Von Backstrom, Theodor Willem; Venter, Gerhard (University of Cape Town, Energy Research Centre, 2017)

  Wind conditions in South Africa are suitable for small-scale wind turbines, with wind speeds below 7 m.s−1. This investigation is about a methodology to optimise a full wind turbine using a surrogate model. A previously ...
  
  
• Modelling and testing a passive night-sky radiation system 

  Joubert, G. D.; Dobson, R. T. (University of Cape Town, Energy Research Centre, 2017)

  The as-built and tested passive night-sky radiation cooling/heating system considered in this investigation consists of a radiation panel, a cold water storage tank, a hot water storage tank, a room and the interconnecting ...
  
  
• The impact of residential rooftop solar PV on municipal finances : an analysis of Stellenbosch 

  Korsten, N.; Brent, A. C.; Sebitosi, A. B.; Kritzinger, K. (University of Cape Town, Energy Research Centre, 2017)

  Electricity utilities throughout the world are responding to the increased uptake of rooftop solar photovoltaic (PV) in the household sector. Although the increase of decentralised solar PV is seen as progressive for ...
  
  
• Characteristics of selected non-woody invasive alien plants in South Africa and an evaluation of their potential for electricity generation 

  Melane, Mandlakazi; Ham, Cori; Meincken, Martina (University of Cape Town, Energy Research Centre, 2017)

  Alien invasive plants (AIPs) pose a threat to the existence of plant and animal biodiversity in the ecosystems they invade. They need to be cleared, monitored and eventually eradicated from the landscape. The potential and ...
  
  
• The use of the OECD Model Tax Convention as an inrpretative aid : the static vs ambulatory approach debate considered from a South African perspective 

  Steenkamp, Lee-Ann (AOSIS, 2017)

  Most tax treaties (including South Africa’s) are based on the OECD Model Tax Convention on Income and Capital and the related Commentary (the ‘OECD Model’). Notwithstanding the uncertainty surrounding its legal status, the ...
  
  
• The relative contribution of alternative capital flows to South Africa : an empirical investigation 

  Adeola, Omolola; Aziakpono, Meshach (AOSIS, 2017)

  The need for external capital flows to developing countries to supplement domestic savings for investment and growth cannot be over-emphasised, especially in Africa, where there are high levels of poverty and low domestic ...
  
  
• Dividend cession and dividend distribution : the South African VAT implications 

  Haupt, Estian; Nel, Rudie (AOSIS, 2017)

  An intuitive approach when considering the VAT implications of a dividend cession, which relates to a share, could be to classify it as a financial service and thus exempt from VAT. The fact that debt factoring, another ...
  
  
• An analysis of the applicability of the OECD Model Tax Convention to non-OECD member countries : the South African case 

  Steenkamp, Lee-Ann (AOSIS, 2017)

  Most tax treaties (including South Africa's) are based on the OECD Model Tax Convention on Income and Capital and the related Commentary (the 'OECD Model'). Notwithstanding the uncertainty surrounding its legal status, the ...
  
  
• Implications of biofuel production in the Western Cape province, South Africa : a system dynamics modelling approach 

  Jonker, Willem; Brent, Alan Colin; Musango, Josephine Kaviti; De Kock, Imke (University of Cape Town, Energy Research Centre, 2017)

  The national government instated a mandatory blending policy to facilitate the uptake and establishment of a biofuels sector in South Africa. Uncertainty exists, however, regarding the implications and effects of producing ...
  
  
• No evidence of HIV replication in children on antiretroviral therapy 

  Van Zyl, Gert U.; Katusiime, Mary Grace; Wiegand, Ann; McManus, William R.; Bale, Michael J.; Halvas, Elias K.; Luke, Brian; Boltz, Valerie F.; Spindler, Jonathan; Laughton, Barbara; Engelbrecht, Susan; Coffin, John M.; Cotton, Mark F.; Shao, Wei; Mellors, John W.; Kearney, Mary F. (American Society for Clinical Investigation, 2017)

  It remains controversial whether current antiretroviral therapy (ART) fully suppresses the cycles of HIV replication and viral evolution in vivo. If replication persists in sanctuary sites such as the lymph nodes, a high ...
  
  
• Measuring thiols in single cultivar South African red wines using 4,4-dithiodipyridine (DTDP) derivatization and ultraperformance convergence chromatography-tandem mass spectrometry 

  Mafata, Mpho; Stander, Maria A.; Thomachot, Baptiste; Buica, Astrid (MDPI, 2018)

  Wine varietal thiols are important contributors to wine aroma. The chemical nature of thiols makes them difficult to measure due to low concentrations, high sensitivity to oxidation, and low ionization. Methods for the ...
  
  
• The effect of extensive human presence at an early age on stress responses and reactivity of juvenile ostriches towards humans 

  Muvhali, Pfunzo T.; Bonato, Maud; Engelbrecht, Anel; Malecki, Irek A.; Hough, Denise; Robinson, Jane E.; Evans, Neil P.; Cloete, Schalk W. P. (MDPI, 2018-07)

  The effect of extensive human presence and regular gentle handling performed at an early age (0–3 months old) on stress responses and reactivity of juvenile ostriches towards humans was investigated. A total of 416 ostrich ...
  
  
• The impact of plasticizer and degree of hydrolysis on free volume of poly(vinyl alcohol) films 

  Fong, Rebecca J.; Robertson, Alexander; Mallon, Peter E.; Thompson, Richard L. (MDPI, 2018-05)

  ENGLISH ABSTRACT: The effect of plasticizer species and the degree of hydrolysis (DH) on the free volume properties of poly(vinyl alcohol) (PVA) were studied using positron annihilation lifetime spectroscopy. Both glycerol ...
  
  
• Foliar application of steinernema yirgalemense to control planococcus ficus : assessing adjuvants to improve efficacy 

  Platt, T.; Stokwe, N. F.; Malan, A. P. (South African Society for Enology and Viticulture, 2018)

  The vine mealybug (Planococcus ficus) is regarded as a key mealybug pest of grapevines in South Africa, with entomopathogenic nematodes (EPNs) being touted as a potential alternative to chemical control, although their ...
  
  
• The perceptions of students and lecturers on the live streaming of lectures as an alternative to attending class 

  Rossouw, M. (HESA, 2018)

  Rising student numbers and unpredictable unrest situations on campuses in South Africa have begged for alternatives to (or substitutes for) physical class attendance to address these problems. This study aimed to test ...
  
  
• Students’ and lecturers’ perceptions of the effect of open-book examinations on teaching and assessment at departments of accountancy at South African universities 

  Kruger, S. J. (HESA, 2018)

  Strong arguments are put forward in literature that teaching methods should be aligned with assessment practices in order to optimise the teaching-learning environment. The decision by the South African Institute of Chartered ...
  
  
• What is (post)quanlitative research? 

  Le Grange, L. (HESA, 2018)

  The (post)human turn has ushered in new ways of doing inquiry. (Post)humanism is the catalyst for news ways of thinking and doing research under an umbrella term called (post)qualitative research. In this article I discuss ...
  
  
• Academics at three African universities on the perceived utilisation of their research 

  Boshoff, N.; Esterhuyse, H.; Wachira-Mbui, D. N.; Owoaje, E. T.; Nyandwi, T.; Mutarindwa, S. (HESA, 2018)

  his article contributes to emerging knowledge on the utilisation of university research in sub-Saharan Africa. A survey was conducted comprising 463 academics at three African universities: the University of Ibadan (Nigeria), ...
  
  
• Growth at the microscale : long term thinning effects on patterns and timing of intra-annual stem increment in radiata pine 

  Drew, David M.; Downes, Geoffrey M. (SpringerOpen, 2018-10-09)

  Background: Stem radial growth in forests is not uniform. Rather, it is characterized by periods of relatively fast or slow growth, or sometimes no growth at all. These fluctuations are generally a function of varying ...
  
  
• Advancing global health through cardiovascular research, mentorship, and capacity building : in memoriam, professor Bongani Mayosi (1967–2018) 

  Nachega, Jean B.; Ntsekhe, Mpiko; Volmink, Jimmy; Thabane, Lehana (BMC (part of Springer Nature), 2018-10-03)

  ENGLISH ABSTRACT: No abstract available
  
  
• Feasibility, acceptability and potential sustainability of a ‘diagonal’ approach to health services for female sex workers in Mozambique 

  Lafort, Yves; Ismael de Melo, Malica S.; Lessitala, Faustino; Griffin, Sally; Chersich, Matthew; Delva, Wim (BMC (part of Springer Nature), 2018-10-03)

  Background: Female sex workers (FSWs) in many settings have restricted access to sexual and reproductive health (SRH) services. We therefore conducted an implementation study to test a ‘diagonal’ intervention which ...
  
  
• Comparative cardio and developmental toxicity induced by the popular medicinal extract of Sutherlandia frutescens (L.) R.Br. detected using a zebrafish Tuebingen embryo model 

  Chen, Longsheng; Xu, Minjie; Gong, Zhunan; Zonyane, Samkele; Xu, Shuwen; Makunga, Nokwanda P. (BMC (part of Springer Nature), 2018-10-05)

  Background: Sutherlandia frutescens is one of the most promising commercialized, indigenous and medicinal plants of South Africa that is used as an immune-booster, and a traditional treatment for cancer. However, few studies ...
  
  
• A Lanosteryl triterpene from Protorhus longifolia augments insulin signaling in type 1 diabetic rats 

  Ephraim, Mabhida Sihle; Rabia, Johnson; Musawenkosi, Ndlovu; Felicia, Sangweni Nonhlakanipho; Johan, Louw; Andrew, Opoku; Anthony, Mosa Rebamang (BMC (part of Springer Nature), 2018-10-01)

  Background: A substantial literature supports antidiabetic properties of the lanosteryl triterpene (methyl-3β- hydroxylanosta-9,24-dien-21-oate, RA-3) isolated from Protorhus longifolia stem bark. However, the ...
  
  
• Thymic Output and CD4 T-Cell Reconstitution in HIV-Infected Children on Early and Interrupted Antiretroviral Treatment: Evidence from the Children with HIV Early Antiretroviral Therapy Trial 

  Lewis, Joanna; Payne, Helen; Walker, A. Sarah; Otwombe, Kennedy; Gibb, Diana M.; Babiker, Abdel G.; Panchia, Ravindre; Cotton, Mark. F.; Violari, Avy; Klein, Nigel; Callard, Robin E. (2017-09)

  Objectives: Early treatment of HIV-infected children and adults is important for optimal immune reconstitution. Infants’ immune systems are more plastic and dynamic than older children’s or adults’, and deserve particular ...
  
  
• The Recombinant Bacille Calmette–Guérin Vaccine VPM1002: Ready for Clinical Efficacy Testing 

  Nieuwenhuizen, Natalie E.; Kulkarni, Prasad S.; Shaligram, Umesh; Cotton, Mark F.; Rentsch, Cyrill A.; Eisele, Bernd; Grode, Leander; Kaufmann, Stefan H. E. (2017-09)

  The only licensed vaccine against tuberculosis (TB), bacille Calmette–Guérin (BCG), protects against severe extrapulmonary forms of TB but is virtually ineffective against the most prevalent form of the disease, pulmonary ...
  
  
• Exome Sequencing Identifies a Novel MAP3K14 Mutation in Recessive Atypical Combined Immunodeficiency 

  Schlechter, Nikola; Glanzmann, Brigitte; Hoal, Eileen Garner; Schoeman, Mardelle; Petersen, Britt-Sabina; Franke, Andre; Lau, Yu-Lung; Urban, Michael; Van Helden, Paul David; Esser, Maria Esser; Moller, Marlo; Kinnear, Craig (2017-11)

  Primary immunodeficiency disorders (PIDs) render patients vulnerable to infection with a wide range of microorganisms and thus provide good in vivo models for the assessment of immune responses during infectious challenges. ...
  
  
• A review : the fate of bacteriocins in the human gastro-intestinal tract : do they cross the gut–blood barrier? 

  Dicks, Leon M. T.; Dreyer, Leane; Smith, Carine; Van Staden, Anton D. (Frontiers Media, 2018)

  The intestinal barrier, consisting of the vascular endothelium, epithelial cell lining, and mucus layer, covers a surface of about 400 m2. The integrity of the gut wall is sustained by transcellular proteins forming tight ...
  
  
• The Kinetics of the Humoral and Interferon-Gamma Immune Responses to Experimental Mycobacterium bovis Infection in the White Rhinoceros (Ceratotherium simum) 

  Parsons, Sven D. C.; Morar-Leather, Darshana; Buss, Peter; Hofmeyr, Jennifer; McFadyen, Ross; Rutten, Victor P. M. G.; Van Helden, Paul D.; Miller, Michele A.; Michel, Anita Luise (2017-12)

  Mycobacterium bovis is the cause of tuberculosis (TB) in a wide range of species, including white rhinoceroses (Ceratotherium simum). Control of the disease relies on the indirect detection of infection by measuring ...
  
  
• Plant functional trait data and reflectance spectra for 22 palmiet wetland species 

  Rebelo, Alanna J.; Somers, Ben; Esler, Karen J.; Meire, Patrick (Elsevier, 2018)

  We provide reflectance spectra for 22 South African palmiet wetland species collected in spring 2015 from three wetlands throughout the Cape Floristic Region. In addition, we provide summarized plant functional trait data, ...
  
  

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