Author:Tshweu, L; Katata, L; Naidoo, Saloshnee; Kalombo, Lonji; Swai, HDate:Oct 2012AIDS kills over 1.5 million people a year globally. Current HIV drugs pose many challenges. This presentation shows that nano-encapsulation of HIV drugs achieves controlled and steady drug release, and
reduced dosing frequency.Read more
Author:Katata, L; Tshweu, L; Naidoo, Saloshnee; Kalombo, Lonji; Swai, HDate:Oct 2012Efavirenz (EFV) is one of the first-line antiretroviral drugs recommended by the World Health Organisation for treating HIV. It is a hydrophobic drug that suffers from low aqueous solubility (4 lg/mL), which leads to a limited oral absorption ...Read more
Author:Coetzer, A; Turner, Geoffrey R; Mouton, HDTDate:Jan 2016The design and implementation of a bidirectional current-controlled voltage-regulated DC-DC converter is presented. The converter is required to connect a battery of electrochemical cells (the battery) to an asynchronous motor-drive unit via ...Read more
Author:Von Solms, S; Peach, SWDate:Nov 2013Network security risks are becoming an increasing threat as new network attack methods are constantly being developed by hackers to compromise secure networks and devices. The use of a network simulation environment that can realistically ...Read more
Author:Mwila, Martin K; Mbewe, Perseverance NDate:Nov 2017This paper describes the methodology used to develop a communication platform that enhances interoperability between different types of components irrespective of the manufacturers and of the software platform. This framework is intended to ...Read more
Author:Mudali, P; Nyandeni, TC; Ntlatlapa, Ntsibane S; Adigun, MODate:Sep 2009The Wireless Mesh Network (WMN) backbone is usually comprised of stationary nodes but the transient nature of wireless links results in changing network topologies. Topology Control (TC) aims to preserve network connectivity in ad hoc and ...Read more
Author:Emslie, IDate:Mar 1997This report presents guidelines to assist local authorities and traffic engineers with a uniform approach to the implementation of speed humps. It is recommended that these guidelines be read in conjunction with The National Guidelines for ...Read more
Author:Bezuidenhout, PH; Schoeman, J; Joubert, T-HDate:Jan 2016Printed electronics employ additive manufacturing processes and has several application possibilities for bespoke or large area devices on flexible or inexpensive substrates. One of the most compelling applications of this technological advance ...Read more
Author:Xungu, Sipho; Mgangira, Martin B; Giani, John CDate:Nov 2021This paper describes the design and manufacturing of a mechanical system, the Aggregate Abrasion Test Device (AATD), which comprises of a rolling model drum, with the purpose of obtaining experimental data that is subsequently used to quantify ...Read more
Author:John, Maya JDate:Mar 2017The aim of this chapter is to discuss the design and manufacturing of bio-based sandwich structures. As the economic advantages of weight reduction have become mandatory for many advanced industries, bio-based sandwich panels have emerged as ...Read more
Author:Forbes, A; Botha, LR; Du Preez, N; Drake, TEDate:Jul 2006Laser ultrasonic is currently the optimal method for non-destructive testing of composite materials in the aerospace industry. The process is based on a laser-generated, ultrasound wave which propagates inside the composite. The response at ...Read more
Author:Forbes, A; Botha, LR; du Preez, N; Drake, TDate:Feb 2006Laser ultrasonics is the present state-of-the art method for non-destructive testing of composite materials in the aerospace industry. The process is based on an IR laser generating an ultrasound wave that propagates inside the composite ...Read more
Author:Olivier, K; Cilliers, Jacques E; Du Plessis, MDate:Jul 2011The test and evaluation of modem radars using hardware in the loop simulators requires the use of wideband high-fidelity, digital radio frequency memories (DRFM) in order to generate realistic target retums. Important aspects of wideband DRFM ...Read more
Author:Layton, L; Ellis, R; Robinson, GADate:May 1972A new concept in designing colour-and-co-we-nit effects is described and illustrated with samples.Read more
Author:Oyesola, M; Mpofu, K; Daniyan, I; Mathe, Ntombizodwa RDate:Dec 2022In evaluating emerging technology, such as additive manufacturing, it is important to analyse the impact of the manufacturing process on efficiency in an objective and quantifiable manner. This study deals with the design and simulation of a ...Read more
Author:Kenyon, CP; Matlaba, PM; Parkinson, CJ; Rousseau, AL; Van der Westhuyzen, Christiaan WDate:28 Feb 2006Recent years have brought about serious interest in the kinases as potential therapeutic targets in a variety of disease conditions. Much of this interest has centred around the preparation and utilisation of species which interact with the ...Read more
Author:Seid, ER; Majozi, TDate:Oct 2013The increasing interest in multipurpose batch plants is evident, because of their inherent flexibility to cope with an ever changing market environment. These plants are easily reconfigured for product modifications, to cover a wide range of ...Read more
Author:Meyers, Bronwyn C; Jan, MA; van der Spuy, SJDate:Sep 2017In order to increase the power of a blowdown, turbine driven compressor test rig, a combustor was designed to insert in the flow before the turbine. The combustor was required to provide 800K output temperature in order to achieve this. The ...Read more
Author:Neyt, Nicole C; Van der Westhuizen, Johan C; Panayides, Jenny-Lee; Riley, DLDate:Mar 2022Ozonolysis is an attractive, efficient, and green means of introducing oxygen containing functionalities using only oxygen and electricity. Unfortunately, safety issues associated with the accumulation of dissolved ozone and potentially ...Read more
Author:De Witt, JJ; Alahmadi, MS; Alzamil, ADate:Oct 2012High range resolution (HRR) radar measurements can provide important feature information when performing non-cooperative target recognition. This paper presents a joint development of a mobile, X-band, HRR research radar facility, by the ...Read more