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Browsing by Subject "CSIR Conference 2010"

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Accelerated approach of discovering plant-derived drug leads for treatment of tuberculosis

Author: Naidoo, Dashnie ; Maharaj, V ; Steenkamp, P Date: 01 Sep 2010 The bioprospecting research group at CSIR biosciences undertakes research that taps into South Africa’s plant biodiversity with the aim of discovering natural products that can be used to develop new medicines effective against tuberculosis ... Read more
Acceleration effects on missile aerodynamics

Author: Gledhill, Irvy MA ; Nordström, J Date: 01 Sep 2010 Practical requirements are now arising in which significant acceleration takes place during flight; 5th generation missiles, such as A-Darter, execute turns at 100 g, where g is the acceleration due to gravity, and thrust from propulsion ... Read more
Aged in a typical South African township: creating a liveable and supportive environment

Author: Motsatsi, L Date: 01 Sep 2010 The 21st century is witnessing a rapid demographic change due to a worldwide increase in the number of people aged 60 and above. The improved quality of life contributes to this longevity. (WHO, 2004). The world’s older population is growing ... Read more
Aquaculture and the utilisation of plant wastes in fish feeds

Author: Jacobs, A Date: 31 Aug 2010 The growing aquaculture industry uses fish diets containing fishmeal as the main protein source. As part of the global drive to replace fishmeal with a more reliable, sustainable and cost-effective protein source, CSIR Biosciences investigated ... Read more
Are indigenous sedges useful for phytoremediation and wetland rehabilitation?

Author: Schachtschneider, K ; Muasya, M ; Somerset, V Date: 01 Aug 2010 Toxic metal pollution is a side effect associated with mining (van der Merwe et al., 1990), sewage pollution (Muchuweti et al., 2006) and agricultural practices (Jadia and Fulekar, 2009). South Africa, a rapidly developing country, increasingly ... Read more
Atmospheric modelling and prediction at time scales from days to seasons

Author: Landman, WA ; Engelbrecht, F ; Park, R ; Bopape, Mary-Jane M ; Lötter, D Date: 01 Sep 2010 Daily weather forecasts are skilful and are initial-value problems, while at the seasonal time scale, slowly varying surface forcing, for example from the tropical Pacific Ocean, can induce atmospheric anomalies that are sufficiently long-lasting ... Read more
Breaking new boundaries with microfluidics

Author: Land, K ; Mbanjwa, M ; Hugo, S ; Chen, J ; Govindasamy, K Date: 01 Sep 2010 Microfluidics is an important emerging research platform in South Africa. It deals with the control and manipulation of very small quantities of fluids (typically microlitre and smaller) inside micro-channels. Microfluidic-based devices show ... Read more
Broadband provision to underprivileged rural communities

Author: Makitla, I ; Makan, A ; Roux, K Date: 01 Sep 2010 Providing access to remote rural areas presents a unique set of technical and non-technical challenges. These challenges are key issues that arise when deploying wireless networks to remote rural areas in developing countries; long distances ... Read more
Calculating the variance and prediction intervals for estimates obtained from allometric relationships

Author: Nickless, A ; Scholes, RJ ; Archibald, S Date: 01 Sep 2010 Often researchers are interested in obtaining estimates of variables which are quite difficult or expensive to measure. To obtain these estimates, relationships between those variables of interest and more easily measured variables are used. ... Read more
Can SA afford to continue polluting its water resources? – With special reference to water pollution in two important catchment areas

Author: Roux, S ; Oelofse, Suzanna HH ; De Lange, Willem J Date: 01 Sep 2010 The reuse potential of industrial, agricultural and domestic return flows in any region is directly dependent on the quality of treatment processes and the intended reuse applications. Although the direct recycling of polluted water for potable ... Read more
Challenges and advances in genetically improving trees for the plantation forestry sector

Author: Verryn, SD ; Snedden, CL Date: 30 Aug 2010 This presentation outlines the South African plantation forestry sector and its contributions and improvement in productivity, acquiring genetic diversity, challenges and advances in genetically improving trees as well as transforming the ... Read more
CSIR contribution to the 2010 state of engineering infrastructure in South Africa report card

Author: Wall, K ; Rust, C ; Amod, S ; Botha, D Date: 01 Sep 2010 In 2006, the South African Institution of Civil Engineering (SAICE), utilising desktop research documentation prepared for this specific purpose by the CSIR, released the first ever “report card” of the state of engineering infrastructure in ... Read more
CSIR’s contribution to the development of innovative technologies and solutions for enhanced road system performance

Author: Verhaeghe, Benoit MJA ; Maina, J ; Paige-Green, P ; De Beer, Morris ; Du Plessis, L Date: 01 Sep 2010 Road infrastructure is a key driver in supporting and stimulating socio-economic development. The South African road network, similar to those of other countries, needs to accommodate a wide spectrum of roads, ranging from light road pavement ... Read more
Development and application of approaches in protein profiling for Nguni cattle

Author: Buthelezi, Sindisiwe G ; Mathabe, P ; Mancama, Dalubuhle T Date: 01 Sep 2010 As a consequence of natural selection in stressful environmental conditions, the Nguni cattle have been reported to be metabolically superior under unfavourable conditions, thus indicating an adaptive measure to survive times of poor feed ... Read more
Development of a moisture scheme for the explicit numerical simulation of moist convection

Author: Bopape, Mary-Jane M ; Engelbrecht, F ; Randall, D ; Landman, W Date: 01 Sep 2010 The eastern part of South Africa is a summer rainfall region, and most of its rainfall is of convective origin. Convective rainfall is often associated with hail, lightning and tornadoes – all of which can damage property and cause casualties, ... Read more
Development of a two-step “green” synthesis for (-)-ambafuran production

Author: Steenkamp, Lucia H Date: 01 Sep 2010 The main objective of the development of a two-step “green” synthesis for (-)-ambafuran production is to find an alternative synthesis of (-) Ambrox from sclareol, to use a bioconversion or biocatalysis route, and that it results in a natural ... Read more
Development of an oxygen carrier nanoemulsion for organ preservation

Author: Barnard, A ; Msomi, S ; Moolman, S ; Naidoo, Kersch Date: 31 Aug 2010 The current key development focus in organ preservation for transplant purposes is preservation of organs at normothermic or subnormothermic temperatures (i.e at or slightly below physiological temperature) as opposed to cold storage. The ... Read more
Development of the new Conformal-Cubic Atmospheric Model (CCAM) in capturing the past season’s major rain events

Author: Park, R Date: 01 Sep 2010 The Atmospheric Modelling Strategic Initiative is a new initiative at the CSIR, and has only begun producing daily forecasts for southern Africa (and the Southern Africa Development Community – SADC) as of January 2010. These forecasts are ... Read more
Discovering novel plant-derived drug leads for the treatment of HIV through an integrated approach

Author: Nthambeleni, R ; Moodley, N ; Maharaj, VJ ; Klimkait, T ; Matter, A ; Sewnarain, P ; Naidoo, Dashnie Date: 01 Sep 2010 HIV/AIDS is now the leading cause of death in Sub-Saharan Africa and has moved up to fourth place among all causes of death worldwide. According to estimates from the UNAIDS 2009 report (UNAIDS 2009) on the global AIDS epidemic, around 33.4 ... Read more
Does participating in the development of Medium-Density Mixed Housing projects make a difference in the residents’ satisfaction with the quality of their environment?

Author: Sebake, N Date: 01 Sep 2010 CSIR Built Environment has recently completed a multiyear research project, undertaken by Landman et al, that aimed to determine the appropriateness and applicability of medium-density mixed housing (MDMH) developments in South Africa. The ... Read more

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