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Browsing Faculty of Natural Sciences by Title

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  • Cowan, Don A.; Rybicki, Edward P.; Tuffin, Marla; Valverde, Angel; Wingfield, Michael (AOSIS OpenJournals, 2013)
    Microorganisms inhabit virtually every possible niche on Earth, including those at the outer envelope of survival. However, the focus of most conservation authorities and ecologists is the ‘legs and leaves’ side of biology ...
  • Motswainyana, William M.; Onani, Martin O.; Madiehe, Abram M. (Elsevier, 2012)
    Compounds (ferrocenyl-2-furylmethyl)imine (L1), (ferrocenyl-2-thiophenemethyl)imine (L2) and (ferrocenyl-2-thiopheneethyl)imine (L3) were synthesized by condensation reactions and obtained in very good yields. Reactions ...
  • Angles-Alcazar, Daniel; Ozel, Feryal; Dave, Romeel (American Astronomical Society, 2013)
    Recent models of black hole growth in a cosmological context have forwarded a paradigm in which the growth is self-regulated by feedback from the black hole itself. Here we use cosmological zoom simulations of galaxy formation ...
  • Xu, Yongxin (Springer Verlag, 2011)
  • Xu, Yongxin (Springer Verlag, 2012)
  • Xu, Yongxin (Springer Verlag, 2012)
  • Xu, Yongxin; van Tonder, Gerrit J.; van Wyk, B.; van Wyk, E.; Aleobua, B. (Water Research Commission, 1997)
    This paper shows that a borehole dilution experiment using common salt is a useful technique for better understanding of some hydrogeological features of a fractured aquifer. A sense of such tracer experiments was performed ...
  • Blignaut, Renette; Venter, Isabella M.; Renaud, Karen (2013)
    Universities are increasingly required to respond to the ever evolving needs of an ever more sophisticated and globalised workplace, which requires well-rounded workers with more than mere technical knowledge. Employers ...
  • Blake, Edwin H.; Tucker, William David (CTIT, 2004)
    Connecting people across the Digital Divide is as much a social effort as a technological one. We are developing a community-centered approach to learn how interaction techniques can compensate for poor communication across ...
  • Wang, Yuan Yuan; Tucker, William David (Telkom, 2010)
    This paper describes the design and evaluation of two browser-based video communication prototypes that support sign language communication between Deaf people. The research explores combinations of technologies, protocols ...
  • Wang, Yuan Yuan; Tucker, William David (Telkom, 2009)
    This paper describes work in progress to to provide browser-based sign language communication for deaf users. The paper introduces the communication requirements for a disadvantaged Deaf community in Cape Town, describes ...
  • Zulu, Docas Dudu; Tucker, William David (Telkom, 2010)
    This paper describes work in progress on call capacity optimization for voice over Internet Protocol on wireless mesh networks. In a developing country such as South Africa, evidence has shown that rural inhabitants find ...
  • Xu, Yongxin; van Tonder, Gerrit J. (Water Research Commission, 2002)
    Delineation of capture zones for groundwater source protection is normally performed by using numerical codes which are based on the porous medium flow equation. However, boreholes are often sited in or along permeable ...
  • Muriithi, Grace; Gitari, Wilson; Petrik, Leslie; Ndungu, Patrick (Elsevier, 2011)
    Coal combustion by-products such as fly ash (FA), brine and CO2 from coal fired power plants have the potential to impact negatively on the environment. FA and brine can contaminate the soil, surface and ground water through ...
  • Mugabo, Pierre; Obikeze, Kenechukwu; Njagi, Angela; Burger, Andries; Dietrich, Danielle; Green, Ivan (Open Access Science Research Publisher, 2012)
    Crinum macowanii has been used extensively in traditional medicines for treatment of various illnesses such as oedema and ‘heart disease’. Previous studies of the crude bulb extracts on Langendorff perfused isolated rat ...
  • Gershwin, Lisa-Ann; Gibbons, Mark J. (Magnolia Press, 2009)
    A common and conspicuous member of the medusan fauna of South Africa has been the subject of repeated taxonomic confusion. After having been mistakenly identified by earlier workers as either Carybdea alata or Tamoya ...
  • Maneveldt, Gavin; Keats, Derek; Chamberlain, Yvonne (Elsevier, 2008)
    Non-geniculate coralline red algae are common in all of the world’s oceans, where they often occupy close to 100% of the primary rocky substratum. The South African rocky subtidal and intertidal habitats in particular, ...
  • Mutemwa, Muyowa; Tucker, William David; Norman, Michael (Telkom, 2009)
    This paper discusses how an Instant Messaging application on a computer can use Bluetooth in order to provide vibration notification on a mobile phone. The initial motivation was to aid Deaf1 office workers to know when ...
  • Goh, Phuay-Yee; Choi, Yook-Wah; Shen, Shuo; Tan, Yee-Joo; Fielding, Burtram C.; Tan, Timothy H.P.; O, Eng-Eong; Lim, Seng Gee; Hong, Wanjin (Leibniz Research Centre for Working Environment and Human Factors, 2004)
    The Severe and Acute Respiratory Syndrome coronavirus (SARS CoV) is a newly-emerged virus that caused an outbreak of atypical pneumonia in the winter of 2002-2003. Polyclonal antibodies raised against the nucleocapsid (N) ...
  • Berry, Michael; Manasse, Taryn-Lee; Tan, Yee-Joo; Fielding, Burtram C. (Academic Journals, 2012)
    Coronavirus N is a multifunctional protein that plays an essential role in enhancing the efficiency of virus transcription and assembly. This manuscript reports the analysis of HCoV-NL63 N protein by comparing the amino ...

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