Author:Vogta, T; Pieters, R; Giesy, J; Newman, Brent KDate:Jan 2019The toxic equivalences (TEQs) of polycyclic aromatic hydrocarbons (PAHs) and polychlorinated biphenyls (PCBs) from sediment of aquatic systems in Durban, South Africa were determined in two ways: 1) TEQs of PAHs and PCBs were determined by ...Read more
Author:Paterson-Jones, JCDate:1989This report describes the results of the biological utilization of Bagasse programme, a programme of the CSIR's foundation for research development, aimed at developing and evaluating the expertise and technology for hydrolyzing the hemicelluloses ...Read more
Author:Paterson-Jones, JCDate:1989The technology to produce ethanol and single cell protein from sugarcane bagasse has been developed. Hydrolysis of the hemicelluloses by dilute sulphuric acid produces a solution of xylose and other sugars and embrittles the cellulose/lignin ...Read more
Author:Steyn, PS; Van den Heerver, JP; Vosloo, HCM; Ackerman, LGJDate:Aug 1998A chemical investigation into the composition of Zanthoxylum capense yielded several biologically active compounds, including pellitorine. A convenient HPLC method was developed to determine the presence of pellitorine in crude extracts from ...Read more
Author:Mthunzi-Kufa, PatienceDate:Oct 2012In this presentation the author highlights the use of lasers in micro-manipulating single cells and molecules.Read more
Author:Van der walt, LDate:Apr 2015The purpose of this study was to review biochar research towards investigating the potential of biochar for the rehabilitation of eroded soils, outside of agricultural systems.Read more
Author:Nelufule, Nthatheni N; Moolla, Yasneen; Ntshangase, Cynthia S; De Kock, Antoine JDate:Mar 2023One of the first recognised and commonly used biometric modalities for men is the fingerprint, which is frequently used to register adults at home and in traffic centres. Fingerprint biometrics for babies, in particular, are not commonly used ...Read more
Author:Kumar, Neeraj; Mittal, H; Alhassan, SM; Ray, Suprakas SDate:2018Adsorption has emerged as a simple and economical approach to water decontamination; however, it creates large amounts of secondary toxic waste following the removal of the effluents from the water. The present investigation introduces an ...Read more
Author:Sparrow, RDate:Nov 2009Nanoscience is the study of phenomena to understand the effects, their influence on the properties and the manipulation of materials at the atomic, molecular and macro-molecular level. While nanotechnology is the design, production, ...Read more
Author:Robertson Lain, L; Bernard, Stewart; Evers-King, HDate:Jul 2014There is a pressing need for improved bio-optical models of high biomass waters as eutrophication of coastal and inland waters becomes an increasing problem. Seasonal boom conditions in the Southern Benguela and persistent harmful algal ...Read more
Author:Muniyasamy, Sudhakar; Ofosu, Osei; Linganiso, LZ; Motaung, TEDate:Mar 2018The present chapter is focused on the development of environmentally friendly materials (biodegradable plastics) from recycled petroleum based plastics. Petroleum based plastics are collected from the landfill sites, washes, separated and ...Read more
Author:John, Maya JDate:Nov 2015Biodegradable polymer blends consisting of polylactic acid (PLA) and polyhydroxy butyrate-co-valerate (PHBV) have been prepared by melt mixing in a twin screw extruder and followed by injection molding technique. Cereplast PLA containing ...Read more
Author:Lebea, Phiyani JDate:2014The current Ebola outbreak should serve as a warning for Africa to organize itself in terms of three major points. Firstly, there needs to be a greater emphasis on developing a policy at regional or continental level to outline what the steps ...Read more
Author:Madala, NE; Steenkamp, PA; Piater, LA; Dubery, IADate:Jul 2012Nicotiana tabacum cell suspensions, 2g wet wt/ml, rapidly took up 1 mM isonitrosoacetophenone (INAP), a plant-derived stress metabolite with anti-oxidative and anti-fungal properties, producing 40-hexopyranosyloxy-30-methoxyisonitrosoacetophenone ...Read more