Author:Suliman, Ridhwaan; Mtsweni, Jabu SDate:Jun 2022The SARS-CoV-2 pandemic has wreaked havoc globally, with over half a billion people infected and millions of lives lost. The pandemic has also interrupted every aspect of our lives, with most governments imposing various interventions and ...Read more
Author:Aramide, BP; Popoola, P; Sadiku, R; Jamiru, T; Pityana, Sisa LDate:Aug 2021Laser cladding is an additive manufacturing technology that can be utilized in surface strengthening, modification, and repair of components that are subjected to adverse working conditions. This can be accomplished by the addition of ...Read more
Author:Chae, HS; Piao, SH; Maity, Arjun; Choi, HJDate:Sep 2014Attapulgite (ATP), a fibrous nanoclay mineral, was adopted as an additive in this study to improve the sedimentation problem of soft magnetic carbonyl iron (CI)-based magnetorheological (MR) fluids caused by the density mismatch between the ...Read more
Author:Lotz, M; Brent, A; Steyn, HDate:2009Clean Development Mechanism (CDM) projects have additional technical, financial and regulatory requirements that are not fully addressed by classic project management approaches. Research has been done on individual novel concepts of the CDM, ...Read more
Author:Nyangiwe, Nangamso N; Ouma, Cecil NMDate:Mar 2020The nature of the interaction of low molecular weight natural organic matter (NOM) with the Ag (1 1 1) surface is of crucial importance in the environment. The low molecular weight organics used in this study are formic acid (FA), acetic acid ...Read more
Author:Pretorius, PJ; Linder, PWDate:Jul 2001Thermodynamic data for all fate-determining processes are needed in order to predict the fate and transport of metals in natural systems. The surface complexation properties of a synthetic MnO2, delta -MnO2, have accordingly been investigated ...Read more
Author:Tshwane, David M; Modiba, Rosinah; Govender, Gonasagren; Ngoepe, PE; Chauke, RDate:Jan 2021Adsorption of halogen on the metal surface has received much attention due to its technological applications and major relevance for material surface processing, corrosion protection and etching. In this work, first-principle approach was ...Read more
Author:Mittal, H; Kumar, V; Saruchi; Ray, Suprakas SDate:Aug 2016This research paper reports the utilization of gum xanthan-grafted-polyacrylic acid and Fe(sub3)O(sub4) magnetic nanoparticles based nanocomposite hydrogel (NCH) for the highly effective adsorption of methyl violet (MV) from aqueous solution. ...Read more
Author:Mittal, H; Maity, Arjun; Ray, SSDate:Jan 2015A biodegradable hydrogel polymer of gum ghatti (Gg) with a copolymer mixture of acrylamide (AAm) and acrylonitrile (AN) was synthesized using the free-radical graft copolymerization technique. The effect of graft copolymerization on the surface ...Read more
Author:Masindi, Vhahangwele; Gitari, WM; Pindihama, KGDate:Nov 2015The use of low-cost and locally available material in the treatment of wastewater has recently become an issue of interest, and magnesite as a low-cost material has been used for the removal of heavy metals in wastewater and has also shown ...Read more
Author:Tshwane, David M; Modiba, Rosinah; Govender, Gonasagren; Ngoepe, PE; Chauke, HRDate:Dec 2021Fluorine molecules and ions are used as an etchant for metal surface processing. The presence of fluorine significantly influences the electrochemical behaviour on a metal surface, which has major relevance for etching, corrosion, electro-catalysis ...Read more
Author:Anochie-Boateng, Joseph; Tutumluer, EDate:Sep 2014Oil sands are natural deposits of sand materials that are rich in bitumen. Limited studies have been conducted to determine the dynamic behavior of oil sand materials. Recent difficulties encountered in oil sand mine fields in Canada substantiated ...Read more
Author:Sari-Ak, D; Alomari, O; Shomali, RA; Lim, J; Thimiri Govindaraj, Deepak BDate:Dec 2022The baculovirus expression vector systems (BEVS) have been widely used for the recombinant production of proteins in insect cells and with high insert capacity. However, baculovirus does not replicate in mammalian cells; thus, the BacMam ...Read more
Author:Brady, D; Jordaan, JDate:10 Jul 2009Improvements in current carrier-based immobilisation strategies have been developed using hetero-functionalised supports that enhance the binding efficacy and stability through multipoint attachment. New commercial resins (Sepabeads) exhibit ...Read more
Author:Sebati, Ngwanamohuba W; Ray, Suprakas SDate:Oct 2018Porous organic polymers (POPs) are of growing research interest owing to their high surface areas, stabilities, controllable chemical configurations, and tunable pore volumes. The molecular nanoarchitecture of POP provides metal or metal oxide ...Read more
Author:Bopape, Mary-Jane M; Engelbrecht, F; Randall, DA; Landman, WADate:Sep 2014Recent advances in supercomputing have made feasible the numerical integration of high-resolution cloud resolving models (CRMs). CRMs are being used increasingly for high-resolution operational numerical weather prediction and for research ...Read more
Author:Dawood, Zubeida C; Mkuzangwe, Nenekazi NPDate:Mar 2022There is a growth of cyber-attacks in South Africa. Seeing that there are over 38 million Internet users in South Africa, this is no surprise. The South African government has published the National Cybersecurity Policy Framework (NCPF) and ...Read more
Author:Burns, MER; Audouin, Michelle A; Weaver, AVDate:Sep 2006Science has considerable potential to contribute to sustainable development. Much of this potential remains latent, however, due to the divisions that exist within and between the producers of scientific information and the users of this and ...Read more