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Browsing by Subject "Applied microbiology"

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Assessment of wood-inhabiting Basidiomycetes for biokraft pulping of softwood chips

Author: Wolfaardt, F ; Taljaard, JL ; Jacobs, A ; Male, JR ; Rabie, CJ Date: Oct 2004 Wood-inhabiting Basidiomycetes have been screened for various applications in the pulp and paper industry and it is evident that different fungi need to be used to suit the specific requirements of each application. This study assessed the ... Read more
Characterisation of nitrilase and nitrile hydratase biocatalytic systems

Author: Brady, D ; Beeton, A ; Zeevaart, J ; Kgaje, C ; Van Rantwijk, F ; Sheldon, RA Date: Mar 2004 Bio-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
Characterization, cloning and sequencing of a thermostable endo-(1, 3-1, 4) beta-glucanase-encoding gene from an alkalophilic Bacillus-brevis

Author: Louw, M ; Reid, SJ ; Watson, TG Date: Jan 1993 A Bacillus brevis gene coding for an endo-(1, 3-1, 4)-beta-glucanase was cloned in Escherichia coli and sequenced. The open reading frame contains a sequence of 759 nucleotides encoding a polypeptide of 252 amino acid residues. The amino acid ... Read more
Cloning and sequencing the degS-degU operon from an alkalophilic Bacillus-brevis

Author: Louw, M ; Reid, SJ ; James, DM ; Watson, TG Date: Oct 1994 The sacU region from an alkalophilic Bacillus brevis was cloned and sequenced. The two open reading frames of the degS-degU operon encode polypeptides that gave calculated molecular masses of 43.8 kDa and 27.0 kDa, respectively. Sequence ... Read more
Decision making in the development of a biocatalytic route for resolution of S-naproxen: from screening to scale-up

Author: Steenkamp, Lucia H ; Brady, D Date: Jun 2010 The non-steroidal anti-inflammatory drug naproxen is most effective as the single S-naproxen enantiomer. However, typical synthetic routes to naproxen yield the racemate of both the R and the S stereoisomers. Biocatalysts can be used to resolve ... Read more
Germination of Lepidium sativum as a method to evaluate polycyclic aromatic hydrocarbons (PAHs) removal from contaminated soil

Author: Maila, MP ; Cloete, TE Date: 2002 The 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
Growth and survival of Bacillus cereus in mageu, a sour maize beverage

Author: Byaruhanga, YB ; Bester, BH ; Watson, TG Date: Jun 1999 The 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
Optimisation of the enantioselective biocatalytic hydrolysis of naproxen ethyl ester using ChiroCLEC-CR

Author: Brady, D ; Steenkamp, Lucia H ; Skein, E ; Chaplin, JA ; Reddy, S Date: 04 Mar 2004 In 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
Optimization of perfluorocarbon emulsion properties for enhancing oxygen mass transfer in a bio-artificial liver support system

Author: Moolman, FS ; Rolfes, H ; Van der Merwe, SW ; Focke, WW Date: 29 Jul 2004 The 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

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Browsing by Subject "Applied microbiology"

Browsing by Subject "Applied microbiology"

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All of ResearchSpace

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