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
Author:Adekunle, AS; Ozoemena, KIDate:Jul 2011Supercapacitive properties of single-walled carbon nanotubes/metal oxides nanocomposites (SWCNT-MO where M=Ni, Fe, Co) have been described. The SWCNT-MO nanocomposites was confirmed with SEM, EDX and XPS techniques. Supercapacitive properties ...Read more
Author:Van Vuuren, DS; Engelbrecht, AD; Hadley, TDDate:Oct 2005The value chain of titanium products shows that the difference between the cost of titanium ingot and titanium dioxide is about $9/kg titanium. In contrast, the price of aluminium, which is produced in a similar way, is only about $1.7/kg. ...Read more
Author:Du Plessis, WP; Kitching, C; Bin Ghannam, ADate:Mar 2012The effect of allowing shared elements in interleaved thinned arrays is investigated. The sidelobe level (SLL) as a function of the number of shared elements mirrors the SLL of thinned arrays as a function of filling factor because the number ...Read more
Author:Scholes, RJ; Mennell, KDate:2008As a conse quence of the rising number of elephants in protected areas in South Africa, the ecosystems that contain elephants and the people that live adjacent to elephant populations are perceived to be coming under increasing threat. The ...Read more
Author:Endah, R; Beyene, G; Kiggundu, A; Van den Berg, N; Schlüter, U; Kunert, K; Chikwamba, Rachel KDate:Nov 2008NPR1 is an essential positive regulator of salicylic acid-induced PR gene expression and systemic acquired resistance. Two novel full-length NPR1-like genes; MNPR1A and MNPR1B, were isolated by application of the PCR and RACE techniques. The ...Read more
Author:Nortje, Karen; Musvoto, Constansia D; Murambadoro, MDate:Aug 2011On 29 August and 01 September 2011 the Council for Scientific and Industrial Research (CSIR) in conjunction with Nkuzi Development Association held two workshops with local stakeholders in the case study area of Elim and surrounds. These ...Read more
Author:Mokonyama, Mathetha TDate:Nov 2012This chapter interrogates some empirical data to examine some of the contributory causes of EBS in South Africa, and uses the City of Johannesburg as a case study. The daily travel patterns of car users are analysed within the context of how ...Read more
Author:Nkuna, A; Abreu, J; Mturi, George AJDate:Oct 2019The development of improved test methods for modified bituminous binders is currently being pursued at the Council for Scientific and Industrial Research (CSIR). The ductility test laid the initial ground work for all extensional testing of ...Read more
Author:Becker, J; Mtwisha, L; Crampton, B; Mancama, Dalubuhle TDate:Nov 2008Malaria is one of the world's most important tropical diseases, killing more than a million of an estimated 300-500 million infected people per annum. The species responsible for the most fatalities amongst the genus is Plasmodium falsiparum. ...Read more
Author:Smith, Andrew CDate:Mar 2009In this document the author reports on research done in the field of Embedded Interaction as well as events at which the public was exposed to this research. The author also reports on the dissemination of the research results, being mostly ...Read more
Author:Hlophe, KDate:Nov 2011Platform pose (localization and orientation) information is a key requirement for autonomous mobile systems. The severe natural conditions and complex terrain of underground mines diminish the capability of most pose estimation systems, ...Read more
Author:Roux, Michael P; Verhaeghe, Benoit MJA; Maritz, Johan; Arnold, Kathryn A; Le Roux, AlizeDate:Oct 2019The United Nations Environmental Programme describes the African continent as a ‘vulnerability hotspot’ for climate change. During the past four decades African countries have experienced more than 1 500 recorded weather-related disasters. ...Read more