Author:Mnisi, SM; Louw, M; Theron, JDate:Apr 2005A genomic library of Bacillus coagulans strain 81 -11 was screened in Escherichia coli JM83 for lipolytic activity by using tributyrin agar plates. A 2.4 kb DNA fragment was subcloned from a lipolytic-positive clone and completely sequenced. ...Read more
Author:Louw, M; Reid, SJ; James, DM; Watson, TGDate:Oct 1994The 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
Author:Labuschagne, M; Albertyn, JDate:Jan 2007Epoxide hydrolases (EHs), especially those of fungal origin, have the ability to catalyse the enantioselective hydrolysis of epoxides to their corresponding diols. Recombinant DNA technology has been used extensively to overproduce these ...Read more
Author:Visser, Daniel F; Hennessy, F; Rashamuse, KJ; Louw, ME; Brady, DDate:Mar 2010A purine nucleoside phosphorylase from the alkaliphile Bacillus halodurans Alk36 has been cloned and over expressed in E. coli. The purified enzyme had a kcat of 2.03 x 10-9 s-1 and a km of 206 µM on guanosine. The optimal pH range was between ...Read more
Author:Stewart, TC; DeWolf, T; Kleinhans, A; Eliasmith, CDate:Nov 2015Evaluating the effectiveness and performance of neuromorphic hardware is difficult. It is even more difficult when the task of interest is a closed-loop task; that is, a task where the output from the neuromorphic hardware affects some ...Read more
Author:Masonta, Moshe T; Ngwenya, DWDate:Dec 2015The regulatory environment in radio frequency spectrum management lags the advancement of wireless technologies, especially in the area of cognitive radio and dynamic spectrum access. In this paper we argue that the solution towards spectrum ...Read more
Author:Maluleka, SM; Ruxwana, Lennox NDate:Mar 2016The South African (SA) government adopted Open Source Software (OSS) with the aim to reduce ICT services cost, less dependencies on outsourced proprietary technology, skills and flexibility. However, the SA government was less successful in ...Read more
Author:Nkosi, MT; Mekuria, FissehaDate:Nov 2010Mobile devices are being considered as service platforms for mobile health information delivery, access and communication. However mobiles face challenges with regard to delivering secure multimedia based health services due to limitations ...Read more
Author:Naidoo, Thegaran; Verster, Jacobus J; Marais, Stephen TDate:Nov 2022A cloud-based road infrastructure analysis system was developed to assist as an information management system for detecting and managing information about road defects and road assets. The system uses computer vision and machine learning ...Read more
Author:Smith, Andrew CDate:May 2014Clustering is the act of grouping items that belong together. In this paper we explore clustering as a means to construct tangible program logic, and specifically as a means to use multiple tangible objects collectively as a single tangible ...Read more
Author:Joubert, DDate:Jul 2010SLAM, or simultaneous localization and mapping, is a key component in the development of truly independent robots. Vision-based SLAM utilising stereo vision is a promising approach to SLAM but it is computationally expensive and difficult to ...Read more
Author:Dudeni-Tlhone, N; Holloway, Jennifer P; Khuluse, S; Koen, RenéeDate:Nov 2013This study looked at a specific application of cluster analysis using the recently released population census 2011 data for the Ekurhuleni Metro in the Gauteng Province of South Africa. The main focus of the clustering was to distinguish ...Read more
Author:Teleka, Ruth; Green, J; Dickens, JDate:Sep 2013The South African mining industry is plagued by accidents ranging from vehicle incidents to roof/rock falls. In the attempt to carry out its mandate of improving the quality of life of South African citizens, the Council for Scientific and ...Read more
Author:Fourie, RuanDate:Jun 2018The “Co-Benefits Project” is an initiative by a consortium of German Partners. The Council for Scientific and Industrial Research (CSIR) has been appointed to act as principal national focal point and national network hub for South Africa in ...Read more
Author:Smith, R; Turpin, M; Herselman, Martha EDate:Apr 2019In South Africa, elderly rural women is the most socio-economically disadvantaged group: their age, gender and rural location all contribute to their disempowerment. For this reason, an ICT4D project was undertaken by the CSIR with the aim ...Read more
Author:Smith, Ronel; Herselman, Martha E; Turpin, MaritaDate:Apr 2019The active involvement of rural women in ICT4D initiatives is essential to ensure that they benefit from the initiative in general, and the technology artefact in particular. Usually ICT4D projects are male centered and the relevance of ICTs ...Read more
Author:Fuku, Xolile G; Modibedi, Remegia M; Mkhohlakali, Andile; Mathe, Mahlanyane KDate:Aug 2021The co-existence of metal oxides (MO) and activated carbon (AC) causes changes in the catalytic behaviour and activity which would contribute greatly to a number of applications. Pd–AC/Bi2O3/CuO synthesized via the green process was used as ...Read more