Author:Cele, NP; Ray, Suprakas S; Sikhwivhilu, LDate:2012Nafion-based nanocomposite membranes containing various amounts of titania nanotubes (TNTs) as an inorganic filler have been prepared using melt-mixing method and have been investigated for proton exchange membrane applications. The one-dimensional ...Read more
Author:Cele, NP; Ray, SS; Kesavan Pillai, Sreejarani; Arendse, C; Ndwandwe, NDate:Nov 2008Nafion nanocomposites were prepared with pure multiwalled carbon nanotubes (PMWCNTs), oxidised MWCNTs (OMWCNTs) and functionalised MWCNTs (FMWCNTs) as fillers, to investigate the effect of multiwalled carbon nanotubes on thermal stability, ...Read more
Author:Halland, K; Britz, KDate:Jun 2012The formal definition of abduction asks what needs to be added to a knowledge base to enable an observation to be entailed by the knowledge base. An observation which is not entailed by the knowledge base will result in open branches in a ...Read more
Author:Van Dyk, E; Barnard, EDate:Nov 2007The authors investigate the use of naive Bayesian classifiers for multinomial feature spaces and derive error estimates for these classifiers. The error analysis is done by developing a mathematical model to estimate the probability density ...Read more
Author:De Waal, AJ; Louis, AL; Venter, JPDate:Oct 2006Named Entity Recognition (NER) is the process of identifying occurrences of words or expressions as belonging to a particular category of a Named Entity (NE).The aim of the project was to test the feasibility of a probabilistic NER system ...Read more
Author:Roux, Michael P; Nordengen, Paul A; Tekie, SB; Rittmann, RDate:Oct 2010This paper describes the development and implementation of a bridge management system (BMS) for the Namibia Roads Authority (NRA). Namibia is a vast country (825 420 km2) with a very low population density and the NRA is currently responsible ...Read more
Author:Peters, AN; Oren, MA; Bidwell, NJDate:May 2012Nadkarni and Hofman’s meta-review of literature on Facebook usage recommends examining differences in Facebook use between collectivistic and individualistic cultures. We discuss early findings of an exploratory study to compare use between ...Read more
Author:Ramasobane, P; Mashinini, MP; Masina, Bathusile NDate:Nov 2023This study investigated the nano mechanical properties of Ti6Al4V-ELI embraced with TiC particles, synthesized with in situ laser metal deposition technique. The 3.85% feed ratio fraction TiC/Ti6Al4V-ELI composite samples were manufactured ...Read more
Author:Ojijo, Vincent O; Ray, Suprakas SDate:May 2014This article gives an overview of the recent developments in the preparation, characterisation, properties, crystallisation behaviour, and melt rheology of clay-containing composites of biodegradable synthetic aliphatic polyesters such as ...Read more
Author:Wepnener, I; Richter, W; Joubert, ADate:01 Sep 2010Strong, bioinert materials have always been the focus for bone replacement and repair. This practice has since moved towards materials that can mimic living tissue and aid the healing process (i.e. be replaced by natural bone); thus materials ...Read more
Author:Mathe, Mahlanyane K; Mkwizu, TS; Cukrowski, IDate:Nov 2008The paper reports on the development of automated electrochemical deposition method as a synthetic strategy for fabrication of catalytically-active thin-films (or nanostructured) materials, composed of platinum Group Metals (PGMs), with ...Read more
Author:Moeta, Pheeha J; Wesley-Smith, J; Maity, Arjun; Thwala, MelusiDate:Jun 2019In order to address risks associated with nanotechnology, there needs to be improved understanding of potential sources of engineered nanomaterials (ENMs) into the environment. Nano-enabled products (NEPs) are amongst such sources, and the ...Read more
Author:Wilson, KC; Manikandan, E; Basheer Ahamed, M; Mwakikunga, Bonex WDate:2014We report on surface morphology changes of in situ tin (Sn) doped cadmium sulphide (CdS) thin film nanostructures prepared on a glass substrate using the chemical bath deposition (CBD) technique. Sn-doping in the presence of triethanolammine ...Read more
Author:Ray, Suprakas S; Irougbu, AOCDate:Feb 2021Water is critical for all lives to thrive. Access to potable and safe water has been argued to rank top among the prerequisites for defining the standard of living of a nation. However, there is a global decline in water quality due to human ...Read more
Author:Ray, Suprakas SDate:Oct 2015A polymer nanocomposite is an advanced plastic material where the incorporation of nanostructures such as clay minerals and other nanoparticles into the polymer has been achieved on the nano-level so that the material exhibits improvements ...Read more
Author:Benadie, Y; Semete, B; Venter, L; Kalombo, Lonji; Driver, C; Jones, AT; Swai, H; Verschoor, JADate:Jun 2008The cell wall envelope of Mycobacterium tuberculosis contains unique high molecular weight lipids. Of these, the most abundant are mycolic acids, an extended family of long 2-alkyl 3-hydroxyl fatty acids, typically 70-90 carbon atoms in length, ...Read more
Author:Benadie, Y; Semete, B; Venter, L; Kalombo, Lonji; Driver, C; Jones, AT; Swai, H; Verschoor, JADate:Nov 2008The objective of this project was to explore the encapsulation of mycolic acids into vehicles other than liposomes for delivery into macrophages and addressing the challenges of low solubility. As vehicles nanoparticles (NP) have the advantage ...Read more
Author:Tshweu, L; Katata, L; Kalombo, Lonji; Swai, HDate:Oct 2013Current treatments available for human immunodeficiency virus, namely antiretrovirals, do not completely eradicate the virus from the body, leading to life-time commitment. Many antiretrovirals suffer drawbacks from toxicity and unpleasant ...Read more
Author:Lesufi, M; Akinwamide, SO; Makoana, Nkutwane W; Tshabalala, Lerato C; Olubambi, PADate:Sep 2022This study investigates the microstructural, nanomechanical, and corrosion behaviour of different sections of 410 steel fabricated via directed energy deposition technique. The morphology exhibited by the longitudinal and transverse sections ...Read more