Author:Malefafana, MT; Pratt, Lawrence E; Basappa Ayanna, Manjunath; Roro, Kittessa TDate:Oct 2019Electroluminescence (EL) imaging is a non-destructive characterization technique used widely across the solar PV industry. Similar to an x-ray image, the EL image allows the analyst to peer inside the PV module and see features that are ...Read more
Author:Le Roux, Lukas J; Hietkamp, SDate:Jul 2008Dye-sensitised photoelectrochemical solar cells with four different electrolyte combinations were assembled and characterised using current voltage measurements. The effects that the solvents (acetonitrile - ACN and propionitrile - PN) have ...Read more
Author:Khamlich, S; Srinivasu, VV; Nemraoui, O; McCrindle, R; Cingo, N; Maaza, MDate:Dec 2011The quasi-spherical nanoparticles of hydrated Cr2O3 · nH2O, and crystalline -Cr2O3, have been synthesized by reduction of the first row (3d) transition metal complex of K2Cr2O7. The temperaturedependence of electron spin resonance (ESR) ...Read more
Author:Ozoemena, KI; Mathebula, NS; Pillay, J; Toschi, G; Verschoor, JADate:2010The integrity and properties of mycolic acid (MA) antigens integrated into a self-assembled monolayer (SAM) of N-(2-mercaptoethyl)octadecanamide, (MEODA), on a gold electrode have been interrogated using cyclic voltammetry (CV) and electrochemical ...Read more
Author:Adekunle, AS; Ozoemena, KIDate:Jun 2010This work describes the electron transport and electrocatalytic properties of chemically-synthesized nickel (Ni) and nickel oxide (NiO) nanoparticles supported on multi-walled carbon nanotubes (MWCNT) platforms. Successful modification of the ...Read more
Author:Verhoest, P; James, T; Marais, Mario A; Van Audenhove, LDate:May 2006This contribution presents the results of a pilot project on ICT usage by South African SMMEs in the tourism industry. The Electronic Business Survey (EBS) methodology, which was tested for applicability in a developing country, in this case ...Read more
Author:Erasmus, Louwrence D; Van Der Walt, TDate:Jun 2015Access to quality healthcare in developing countries must be provided amidst a resource scarce environment and often only accessible to a fraction of the population. Health information technologies (HIT) are seen as a means to improve and ...Read more
Author:Sikhondze, NC; Erasmus, Louwrence DDate:May 2016Most medical records are kept on paper. This makes it difficult to use the available information for management of care, measuring of quality of care and improving care delivery. The healthcare industry is mostly data driven and it depends ...Read more
Author:Van Wyk, JDate:Aug 1993The new South Africa needs information and the CSIR has enabled end-users to search international and local database using an intelligent gateway to provide easy, affordable access to all the well-known hosts. All terminals, Minerals and PCs ...Read more
Author:Dhonge, BP; Ray, Suprakas S; Mwakikunga, Bonex WDate:Apr 2017In this paper, we present the first experimental evidence for electronic to protonic conduction switching in p-type semiconducting nanostructured cuprous oxide Cu2O porous films when exposed to humidity. We also present a linear response at ...Read more
Author:Smollen, M; Kafaar, ADate:1994Owing to the inherent inefficiency of dewatering equipment widely used today, the search for improved dewatering techniques has been pursued by the investigation of new innovative ideas. The main thrust of these investigations has been in ...Read more
Author:Tsoeunyane, GM; Mathe, Ntombizodwa R; Tshabalala, Lerato C; Makhatha, MEDate:May 2022The reduction of surface roughness on additively manufactured components has become a critical factor in engineering applications. This paper reports the electropolishing of additively manufactured Ti-6Al-4V by powder bed selective laser ...Read more
Author:Mokhena, Teboho C; Mochane, MJ; Mtibe, Asanda; Mathew, Maya J; Sadiku, ER; Sefadi, JSDate:Feb 2020Alginate has been a material of choice for a spectrum of applications, ranging from metal adsorption to wound dressing. Electrospinning has added a new dimension to polymeric materials, including alginate, which can be processed to their ...Read more
Author:Mokhena, Teboho C; Jacobs, Nokwindla V; Luyt, ASDate:Mar 2017This paper reports on the potential of the electrospun alginate nanofibre membranes to be used for the bio-sorption of heavy metals from aqueous solutions. Poly(ethylene oxide) (PEO) and its blends were electrospun at an applied voltage of ...Read more
Author:Mokhena, Teboho C; Luyt, ASDate:Jun 2017Silver nanoparticles are amongst the most valuable nanoparticles with interesting properties, such as a non-toxic nature and high antibacterial efficiency, making them applicable for tissue scaffold, protective clothing and wound dressing. ...Read more
Author:Jacobs, V; Patanaik, A; Anandjiwala, RDDate:2010Electrospinning is a straightforward and versatile technique for fabrication of nanofibres from a variety of polymer solutions.Nanofibers with high surface area to volume ratio, high porosity and small fiber diameter make them ideal materials ...Read more
Author:Naseria, N; Algana, C; Jacobs, V; John, Maya J; Oksmana, K; Mathew, APDate:Aug 2014The aim of this study was to develop electrospun chitosan/polyethylene oxide-based randomly oriented fiber mats reinforced with chitin nanocrystals (ChNC) for wound dressing. Microscopy studies showedporous mats of smooth and beadless fibers ...Read more
Author:Neppalli, R; Marega, C; Marigo, A; Bajgai, MP; Kim, HY; Ray, Suprakas S; Causina, VDate:May 2012Poly(lactide) (PLA) composites filled with electrospun nylon 6 fibers were prepared. This allowed us to simultaneously improve the mechanical properties and tune the degradation of the PLA matrix. The interfacial adhesion between the PLA ...Read more
Author:Selatile, Mantsopa K; Mural, PKS; Ray, Suprakas SDate:Oct 2018The present chapter gives an overview of the electrospinning process for producing nanofibers and developments in their application as polymer nanocomposites. Firstly, the electrospinning parameters (solution and process conditions), along ...Read more