Author:Maponya, TG; Makgopa, K; Somo, TR; Tshwane, David M; Modibane, KDDate:Dec 2023Herein, a metal–organic framework (MIL-101(Cr)) was synthesized and functionalized with ethylenediamine-glutaraldehyde (ED-GA for removal of palladium (Pd2+) and platinum (Pt4+) from wastewater. The chemical structure, surface properties, ...Read more
Author:Bhaumik, M; Choi, HJ; Seopela, MP; McCrindle, RI; Maity, ArjunDate:Jan 2014Sulfuric acid modified avocado seed (ASSA), as a low-cost carbonized adsorbent, was investigated for the removal of toxic Cr(VI) from water/wastewater in batch experiments. A low temperature (100 °C) chemical carbonization treatment was ...Read more
Author:Motshekga, Sarah C; Ray, Suprakas SDate:Mar 2017Disinfection of bacterially-contaminated drinking water requires a robust and effective technique and can be achieved by using an appropriate disinfectant material. The advanced use of nanomaterials is observed as an alternative and effective ...Read more
Author:Mhlongo, Gugu H; Motaung, David E; Cummings, FR; Swart, HC; Ray, Suprakas SDate:Jul 2019The gas-detecting ability of nanostructured ZnO has led to significant attention being paid to the development of a unique and effective approach to its synthesis. However, its poor sensitivity, cross-sensitivity to humidity, long response/recovery ...Read more
Author:Onumanyi, Adeiza J; Abu-Mahfouz, Adnan MI; Hancke, GPDate:Jul 2019Modern energy detectors typically use adaptive threshold estimation algorithms to improve signal detection in cognitive radio–based industrial wireless sensor networks (CR‐IWSNs). However, a number of adaptive threshold estimation algorithms ...Read more
Author:Petersen, Chantel R; Jovanovic, NebojsaDate:Feb 2016The southern Cape region, Western Cape, South Africa, is of ecological importance with the lower Wilderness Lake systems being a designated Ramsar site. Agriculture is the main land use in the study catchment and water user with a steady ...Read more
Author:Godfrey, Linda K; Oelofse, Suzanna HHDate:Oct 2017Recycling has been taking place in South Africa for more than three decades, driven by social and economic needs. While the waste hierarchy is embedded in national policy, an extensive legislative framework has made it more and more challenging ...Read more
Author:Cooper, J; Avery, GDate:Jul 1986This report gives the results of a workshop held on historical sites at the sub-Antarctic Prince Edward islands, southern Indian Ocean. All known visits and sojourns on the Prince Edward islands up to 1948 are tabulated. All known historical ...Read more
Author:Durrheim, RJ; Riemer, KLDate:Apr 2012Gold was discovered near present-day Johannesburg in 1886. Mining-induced seismicity was first encountered in the early 1900s when extensive stopes reached depths of several hundred meters. The State appointed committees in 1908, 1915, 1924, ...Read more
Author:Van den Bergh, F; Wessels, Konrad J; Miteff, S; Van Zyl, TL; Gazendam, AD; Bachoo, AKDate:Aug 2012Course resolution earth observation satellites offer large data sets with daily observations at global scales. These data sets represent a rich resource that, because of the high acquisition rate, allows the application of time-series analysis ...Read more
Author:Sharma Grover, A; Plauche, M; Barnard, E; Kuun, CDate:Apr 2009This paper presents the work in the design of a SDS for the provision of health information to caregivers of HIV positive children. The authors specifically address the frequently debated question of input modality in speech systems; touchtone ...Read more
Author:Sharma Grover, A; Plauche, M; Barnard, EDate:Apr 2009This paper presents our work in the design of a SDS for the provision of health information to caregivers of HIV positive children. We specifically address the frequently debated question of input modality in speech systems; touchtone versus ...Read more
Author:Van den Berg, N; Mbobela, P; Pillay, P; London, G; Morris, L; Maharaj, V; Khati, MDate:Feb 2011A natural compound isolated from extracts of an indigenous plant in the Eastern Cape, South Africa, indicates neutralisation activity against HIV-1 pseudoviruses. This natural compound can potentially be used in a microbicide as an alternative ...Read more
Author:Mufhandu, Hazel T; Alexandre, Kabamba B; Gray, ES; Morris, L; Khati, MDate:Sep 2012Globally, HIV-1 subtype C is the most prevalent subtype, yet most antiretroviral drugs are developed against subtype B. UCLA1 RNA aptamer, which we previously showed neutralizes HIV-1 subtype C Env-pseudotyped viruses was examined for ...Read more
Author:Rangel Lopes de Campos, W; Chirwa, N; London, G; Rotherham, LS; Morris, L; Mayosi, BM; Khati, MDate:Oct 2014HIV-associated cardiomyopathy (HIVCM) is of clinical concern in developing countries because of a high HIV-1 prevalence, especially subtype C, and limited access to highly active antiretroviral therapy (HAART). For these reasons, we investigated ...Read more
Author:Malinga, Andries L; Le Roux, WHDate:Jul 2009The performance of three Run-Time Infrastructures (RTI) is measured. Two open source implementations (Portico version 0.8 and CERTI version 3.3.0) and one commercial implementation (MÄK version 3.2) have been subjected to a specific test under ...Read more
Author:Grover, AS; Van Huyssteen, GB; Pretorius, MWDate:May 2010Human Language technologies (HLT) have been identified as a priority area by South African government to enable its eleven official languages technologically. We present the results of a technology audit for the South African HLT landscape, ...Read more
Author:Govender, Avashna; De Wet, Febe; Tapamo, Jules-RaymondDate:Sep 2015Hidden Markov Model (HMM)-based synthesis in combination with speaker adaptation has proven to be an approach that is well-suited for child speech synthesis. This paper describes the development and evaluation of different HMM-based child ...Read more
Author:Govender, Avashna; Nouhou, B; De Wet, FebeDate:Nov 2015Acquiring large amounts of child speech data is a particularly difficult task. One could therefore consider the possibility to add existing corpora of child speech data to the severely limited resources that are available for developing child ...Read more
Author:Sefara, Tshephisho J; Mokgonyane, TB; Manamela, MJ; Modipa, TIDate:Aug 2019Text-to-speech (TTS) synthesis systems are of benefit towards learning new or foreign languages. These systems are currently available for various major languages but not available for low-resourced languages. Scarcity of these systems may ...Read more