Author:Lehutso, Raisibe F; Wesley-Smith, J; Thwala, MelusiDate:Nov 2021The study investigated the toxicity effects of ‘form specific’ engineered nanomaterials (ENMs) and ions released from nano-enabled products (NEPs), namely sunscreens, sanitisers, body creams and socks on Pseudokirchneriella subcapitata, ...Read more
Author:Green, TJ; Sastrawan, J; Uys, H; Biercuk, MJDate:Sep 2013We address the problem of deriving analytic expressions for calculating universal decoherence-induced errors in qubits undergoing arbitrary, unitary, time-dependent quantum control protocols. We show that the fidelity of a control operation ...Read more
Author:Mudaly, T; Moodley, D; Pillay, A; Seebregts, CJDate:Nov 2013Consolidating currently fragmented health information systems in low and middle-income countries (LMIC) into a coherent national information system will increase operational efficiencies, improve decision-making and will lead to better health ...Read more
Author:Gregory, MA; George, RC; McClurg, TPDate:Oct 1996For many years, bivalve molluscs have played a useful role in determining the impact of pollution on marine organisms. In the northern hemisphere, ecologists from countries subscribing to the International Mussel Watch have used toxin-mediated ...Read more
Author:Crichton, R; Moodley, D; Pillay, A; Gakuba, R; Seebregts, CJDate:Jun 2013Rwanda, one of the smallest and most densely populated countries in Africa, has made rapid and substantial progress towards designing and deploying a national health information system. One of the more challenging aspects of the system is the ...Read more
Author:Mvelase, P; Dlodlo, N; Makitla, I; Sibiya, G; Adigun, MDate:Apr 2012Today enterprises have to survive in a dynamically changing business environment. Cloud computing presents a new business model where the Information Technology services supporting the business are provided by partners rather than in-house. ...Read more
Author:Dlodlo, N; Tolmay, JPDate:Nov 2012To avert problems associated with text book distribution delays in South African schools, this paper proposes an alternative approach to paper book distribution in the form of eTextbooks. This paper looks at challenges to eTextbook provision ...Read more
Author:Moodley, D; Simonis, I; Tapamo, JRDate:Mar 2012Sensor Web researchers are currently investigating middleware to aid in the dynamic discovery, integration and analysis of vast quantities of both high and low quality, but distributed and heterogeneous earth observation data. Key challenges ...Read more
Author:Butgereit, L; Botha, RADate:Mar 2013Micro-volunteering is the phenomenon of volunteering one's time and energy for extremely short periods of time. It is often considered a subset of Virtual Volunteering where one can volunteer one's time and energy via the Internet. There are ...Read more
Author:Manqele, S; Dlodlo, N; Adigun, M; Xulu, SSDate:Nov 2012Grid computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications and some cases, high performance oriented. In this research a ...Read more
Author:Smith, Andrew CDate:Aug 2022Traditional electrical power sources and their long distribution networks can no longer cope with the ever-increasing need for energy. Distributed energy generation in close geographical proximity to the consumption point is an alternative ...Read more
Author:Osman, ADate:Mar 2010Within this research field, projects focus on community needs, skills and extant built environments, specifically conservation-worthy environments and heritage resources as opportunity for creating sustainable communities and living environments.Read more
Author:Godfrey, Linda K; Nahman, AntonDate:Oct 2007The findings of on-going research conducted within South Africa on waste policy instruments shows that while typical command-and-control instruments lack effective monitoring and enforcement, alternative policy instruments such as economic ...Read more
Author:Gibberd, Jeremy T; Motsatsi, LDate:Oct 2013Environmental factors have been shown to have a significant impact on quality of education. This exploratory study investigates environmental conditions in a case study classroom at a South African secondary school. It undertakes field ...Read more
Author:Schachtschneider, K; Muasya, M; Somerset, VDate:01 Aug 2010Toxic metal pollution is a side effect associated with mining (van der Merwe et al., 1990), sewage pollution (Muchuweti et al., 2006) and agricultural practices (Jadia and Fulekar, 2009). South Africa, a rapidly developing country, increasingly ...Read more
Author:Van Wilgen, B; Impson, NDDate:2011South Africa has abundant biodiversity, but also many invasive alien species, especially plants and fish, that can transform ecosystems. Invading alien trees and shrubs impact on fynbos and threaten up to a quarter of the nation's plant ...Read more
Author:Baloyi, Ntsako; Kotzé, PaulaDate:Jun 2017This paper reports on a survey conducted to determine the readiness of organisations in South Africa to comply with personal data protection or privacy legislation and regulations. Issues addressed include employee knowledge of personal data ...Read more
Author:Taylor, NJ; Ibraimo, NA; Annandale, JG; Everson, CS; Vahrmeijer, JT; Gush, Mark BDate:Jun 2013The determination of accurate figures for orchard water use is critical for improved irrigation scheduling and for the issuing of water licenses. Under- or over estimations can have serious implications for production and water resources in ...Read more