Author:Verryn, SDDate:2008A challenge for breeders and wood quality researchers of today is to appropriately respond to a complex environment demanding more productivity, higher quality, and a quicker adaptation of their crops to rapid changes. This is mirrored in the ...Read more
Author:Brady, D; Beeton, A; Zeevaart, J; Kgaje, C; Van Rantwijk, F; Sheldon, RADate:Mar 2004Bio-catalytic transformations converting aromatic and arylaliphatic nitriles into the analogous related amide or acid were investigated.These studies included synthesis of the beta-substituted nitrile 3-hydroxy-3-phenylpropionitrile, subsequent ...Read more
Author:Pindihama, GK; Gumbo, JR; Oberholster, Paul JDate:Dec 2011South Africa is a water scarce country with freshwater resources that are deteriorating mostly due to anthropogenic activities. Several dams in South Africa are eutrophic and present potential health risks to water consumers and users. ...Read more
Author:Maila, MP; Randima, P; Surridge, K; Dronen, K; Cloete, TEDate:Jan 2005In this study, the hydrocarbon removal efficiency and microbial diversity of different soil layers is evaluated. The soil layers with high counts of recoverable hydrocarbon degrading bacteria had the highest hydrocarbon removal rate compared ...Read more
Author:Maila, MP; Cloete, TEDate:2002The sensitivity of Lepidium sativum germination to polycyclic aromatic hydrocarbons (PAHs) was investigated in soil(s) artificially and historically contaminated with mixtures of PAR The level of germination of L. sativum decreased with ...Read more
Author:Byaruhanga, YB; Bester, BH; Watson, TGDate:Jun 1999The growth and survival of B. cereus, a known pathogen commonly found in cereals, during lactic acid fermentation of mageu, a sour maize beverage, was studied. In the mageu base inoculated with both the starter culture and B. cereus, the ...Read more
Author:Adewusi, EA; Moodley, N; Steenkamp, VDate:Dec 2010Alzheimer’s disease (AD), a common neurodegenerative disease, is characterized by low levels in the brain of the neurotransmitter, acetylcholine (ACh). Clinical treatment of this disease is palliative and relies mostly on enhancing cholinergic ...Read more
Author:Barros, E; Van Staden, C; Lezar, SDate:May 2009Fast-growing Eucalyptus grandis trees are one of the most efficient producers of wood in South Africa. The most serious problem affecting the quality and yield of solid wood products is the occurrence of end splitting in logs. Selection of ...Read more
Author:Brady, D; Steenkamp, Lucia H; Skein, E; Chaplin, JA; Reddy, SDate:04 Mar 2004In a biocatalytic reaction the immobilized lipase ChiroCLEC-CR enantioselectively hydrolysed a naproxen ethyl ester racemate, yielding (S)-naproxen with an enantiomeric excess of more than 98%, an enantiomeric ratio (E) of more than 100, and ...Read more
Author:Moolman, FS; Rolfes, H; Van der Merwe, SW; Focke, WWDate:29 Jul 2004The oxygen carrying performance of a perfluorooctyl bromide (PFOB) emulsion is considered. The intended purpose is to enhance hepatocyte growth and function in a bio-artificial liver support system (BALSS). Such oxygen carrying emulsions have ...Read more
Author:Thaoge, ML; Adams, MR; Sibara, MM; Watson, TG; Taylor, JRN; Goyvaerts, EMDate:Apr 2003With the aim of improving the safety and nutritional quality of traditional African weaning porridge, the reduction of the viscosity of high solids fermented pearl millet porridge by addition of sorghum malt (amylase rich flour, ARF) was ...Read more
Author:Karsten, AE; Singh, ADate:May 2013Laser based treatment modalities offer patients a less invasive, often localised treatment method. This has advantages of faster healing times and fewer side effects from treatment. For most laser treatments though the target site is some ...Read more
Author:Maila, MP; Cloete, TEDate:Jan 2005Soil biological activities are vital for the restoration of soil contaminated with hydrocarbons. Their role includes the biotransformation of petroleum compounds into harmless compounds. In this paper, the use of biological activities as ...Read more