Author:Botha, Natasha; Inglis, HM; Labuschagne, FJWJDate:Nov 2018Polymers are used in various industrial applications due to their ease of production, light weight and ductility. Fillers such as nanoclays are added to polymers to improve a range of factors such as material processing, thermal properties, ...Read more
Author:Motaung, DE; Malgas, GF; Ray, SS; Arendse, CJDate:Jun 2013The structural growth and optical and photovoltaic properties of the organic–inorganic hybrid structures of zinc oxide (ZnO)-nanorods/poly-3-hexylthiophene (P3HT) and two variations of organic polymer blends of ZnO/P3HT:C(sub60) fullerene and ...Read more
Author:Lück-Vogel, Melanie; Mbolambi, Cikizwa; Van Niekerk, Lara; Rautenbach, K; Adams, JDate:Oct 2014Within the presented project, we are comparing ecosystem and land cover classifications for the Greater St Lucia region derived from multispectral RapidEye (5m resolution), WorldView-2 (2m resolution), SPOT-6 (5.55m resolution) data with and ...Read more
Author:Prince, SD; Wessels, Konrad J; Tucker, CJ; Nicholson, SEDate:Jul 2007In semiarid regions the ratio of annual net primary production to precipitation, rain-use efficiency (RUE), has been used as an index of desertification. In a recent publication (Hein & de Ridder, 2006) it was proposed that an incorrect ...Read more
Author:Mhlongo, Gugu H; Ntwaeaborwa, OM; Dhlamini, MS; Swart, HC; Hillie, KTDate:Feb 2011SiO2:Pr3+–Ce3+ phosphor powders were successfully prepared using a sol–gel process. The concentration of Pr3+ was fixed at 0.2 mol% while that of Ce3+ was varied in the range of 0.2–2 mol%. High resolution transmission electron microscopy ...Read more
Author:Lück-Vogel, Melanie; Strohbach, MDate:Jul 2009Detection and quantification of degradation processes as a first step for understanding and development of prevention and mitigation actions is of international interest as the described processes are observed in semi-arid landscapes globally. ...Read more
Author:Kesavan Pillai, Sreejarani; Ray, SS; Scriba, Manfred R; Ojijo, Vincent O; Hato, MJDate:Jul 2013Biocomposites containing ultraviolet (UV) radiation absorbing inorganic nanofillers are of great interest in food packaging applications. The biodegradable polylactide (PLA) composite films were prepared by solvent casting method by incorporating ...Read more
Author:Msomi, PF; Nonjola, Patrick N; Ndungu, PG; Ramontja, JDate:Oct 2020A series of anion exchange membranes (AEM) based on poly (2, 6-dimethyl-1, 4-phenylene) (PPO) and polysulfone (PSF) blended with TiO2 were prepared and investigated. The water uptake, swelling ratio, ion exchange capacity, ion conductivity ...Read more
Author:Nofar, M; Salehiyan, Reza; Ray, Suprakas SDate:Mar 2019Being commercialized in 1992, poly (lactic acid) (PLA) has been considered for biomedical applications and as a reliable substitute for a wide range of commodity and engineering applications where noncompostable petroleum-based polymers are ...Read more
Author:Adams, J; Raw, J; Riddin, T; Wasserman, J; Van Niekerk, LaraDate:Dec 2021Restoration of salt marsh is urgent, as these ecosystems provide natural coastal protection from sea-level rise impacts, contribute towards climate change mitigation, and provide multiple ecosystem services including supporting livelihoods. ...Read more