Author:Gbadeyan, OJ; Adali, S; Bright, G; Sithole, Bishop B; Onwubu, SDate:Jul 2020The possibility of obtaining calcium carbonate nanoparticles from Achatina fulica shell through mechanochemical synthesis to be used as a modifying filler for polymer materials has been studied. The process of obtaining calcium carbonate ...Read more
Author:Ray, Suprakas SDate:2012Polylactide (PLA) is the oldest and potentially one of the most interesting and useful biodegradable man-made polymers because of its renewable origin, controlled synthesis, good mechanical properties, and inherent biocompatibility. The ...Read more
Author:Mago, G; Ray, Suprakas S; Shofner, ML; Wang, S; Zhang, JDate:Feb 2014Nanoparticles, such as carbon nanotubes, nanoclays, and graphenes, are widely used in the polymer nanocomposites to alter the chemical, mechanical, electrical, optical, and thermal properties. However, a number of critical issues need to be ...Read more
Author:Barnard, A; Chetty, A; Klumperman, BDate:Oct 2012The intelligent management of South Africa’s scarce water resources is a key focus area for the CSIR. This work aims to develop a rapid method for the detection of microbial
contamination in water to assist authorities in the prevention of ...Read more
Author:Ojijo, Vincent O; Ray, Suprakas SDate:Oct 2018Although polymer nanocomposites (PNCs) are now a relatively well-established technology, nanoparticles (NPs) such as carbon nanotubes (CNTs) and graphene are opening up new application areas in engineering PNCs. Therefore, research and ...Read more
Author:Salehiyan, Reza; Ray, Suprakas SDate:Oct 2018This chapter discusses the roles of different nanoparticle types such as clays, CNTs, and graphene-based materials in the rubber manufacturing processes. It is shown that nanoparticles not only reinforce rubber matrices, but they can also ...Read more
Author:Mandiwana, V; Kalombo, Lonji; Venter, Karien; Sathekge, M; Grobler, A; Zeevaart, JRDate:Sep 2015Developing nanoparticulate delivery systems that will allow easy movement and localization of a drug to the target tissue and provide more controlled release of the drug in vivo is a challenge in nanomedicine. The aim of this study was to ...Read more
Author:Sinha Ray, J; Sinha Ray, SuprakashDate:Feb 2018The performance of a heterogeneous material, such as polymer nanocomposites (PNCs) is dictated by three main factors: (i) the inherent properties of the components; (ii) interfacial interactions; and (iii) structure of the PNCs. The structure ...Read more
Author:Motshekga, Sarah C; Ray, Suprakas S; Maity, ArjunDate:Feb 2018The use of polymer nanocomposites as novel materials for water remediation has emerged as a promising alternative for disinfection of bacteria contaminated water. Sodium alginate, a natural biopolymer has been investigated in this study by ...Read more
Author:Nkosi, SS; Mwakikunga, Bonex W; Sideras-Haddad, E; Forbes, ADate:Jun 2013Highly crystalline nanospherical iron–platinum systems were produced by 248 nm laser irradiation of a liquid precursor at different laser fluences, ranging from 100–375 mJ/cm2. The influence of laser intensity on particle size, iron composition, ...Read more
Author:Makgwane, Peter R; Ray, Suprakas SDate:Feb 2014The development of controlled synthesis protocols of nanostructured materials with tailored particle size and shape has been a significant research area in nanoscience and nanotechnology. Much innovative research efforts had been focused on ...Read more
Author:Cummings, F; Le Roux, Lukas J; Mutangwa, N; Knoesen, DDate:Oct 2009Vertically orientated titanium dioxide (TiO2) nanotubes hold great potential for application in dye-sensitized solar cells (DSCs) as they provide an unscathed, one-dimensional transport route for photo-generated charge carriers, thereby ...Read more
Author:Oosthuizen, MA; Pretorius, E; Oberholzer, HM; Van der Spuy, WJDate:Oct 2010Engineered nanoparticles are designed to perform specific functions and therefore have specific properties that could potentially be harmful. Nanoparticles such as titanium dioxide have the potential to become transparent and are therefore ...Read more
Author:Oosthuizen, MA; Pretorius, E; Oberholzer, HM; Van der Spuy, WJDate:Oct 2010Engineered nanoparticles are designed to perform specific functions and therefore have specific properties that could potentially be harmful. Nanoparticles such as titanium dioxide have the potential to become transparent and are therefore ...Read more
Author:Aramide, BP; Popoola, API; Sadiku, ER; Aramide, FO; Pityana, Sisa LDate:Jul 2020Wear-resistant materials (WRMs) have attracted enormous attention because of their general usages in the biomedical, medical, military, automotive, aerospace, and other industrial sectors. The wear of an article causes persistent devaluation, ...Read more