Browsing Faculty of Natural Sciences by Publication Date

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Browsing Faculty of Natural Sciences by Publication Date

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  • Wilkinson, Dianne E.; Jaenicke, Thomas; Cowan, Donald A. (Kluwer Academic Publishers, 2002)
    An efficient and simple method for constructing an environmental library using mechanically sheared DNA obtained directly from geothermal sediments is presented. The method is based on blunt-end modification of DNA fragments ...
  • Cowan, Donald A.; Mamais, A.; Russell, Nick A.; Sheppard, Devon M. (Springer Verlag, 2002)
    We have applied bioluminescent ATP detection methods to microbial enumeration in Antarctic Dry Valley mineral soils, and validated our ATP data by two independent methods. We have demonstrated that ATP measurement is ...
  • Chromista 
    Maneveldt, Gavin; Keats, Derek (Wiley Online, 2003)
    As a group, the chromists show a diverse range of forms from tiny unicellular, flagellates to the large brown algae known as kelp. Molecular studies have confirmed the inclusion of certain organisms once considered Fungi, ...
  • Ward, Kim; Butler, Nadine; Mugabo, Pierre; Klausner, Jeffrey; Mcfarland, Willi; Chen, Sanny; Schwarcz, Sandra (Lippincott, Williams & Wilkins, 2003)
    Background: Sexually transmitted infections (STIs) are known risk factors for HIV infection. Goal: The goal of this study was to assess the current and potential future role that community pharmacists in Western Cape, South ...
  • Lewis, John; Tucker, William D.; Blake, Edwin H. (Telkom, 2003)
    Instant Messaging is traditionally a text only a air. However, there are instances when it would be useful to bridge to other types of media, like speech. The SoftBridge is an application framework that enables this kind ...
  • Sparks, Conrad A.J.; Gibbons, Mark J. (Taylor & Francis and NISC, 2003)
    A total of 242 zooplankton samples from the upper 100 m of the water column was collected discontinuously from March 1997 to January 1999 off the Orange River mouth on the west coast of southern Africa. Six species of ...
  • Chetty, Marshini; Tucker, William D.; Blake, Edwin H. (Telkom, 2003)
    There is a great disparity between those who have access to Information and Communication Technologies (ICTs) and those that do not. This phenomenon forms part of the Digital Divide. Many ICTs may be used to help overcome ...
  • Tucker, William D.; Glaser, Meryl; Lewis, John (Telkom, 2003)
    Following on several partial prototypes, we built an automated Deaf Telephony bridging application with the SoftBridge platform. The SoftBridge performs multi-modal bridging in real-time using Text-to-Speech (TTS) and ...
  • Buecher, Emmanuelle; Gibbons, Mark J. (NISC (Pty) Ltd and Taylor& Francis, 2003)
    Diel vertical migration (DVM) of six common species of hydromedusae was investigated during two drogue studies conducted in St Helena Bay on the west coast of South Africa in February 1995. Clytia spp., Obelia spp. and ...
  • Gibbons, Mark J.; Buecher, Emmanuelle; Thibault-Botha, Delphine (NISC (Pty) Ltd and Taylor& Francis, 2003)
    The vertical distribution, abundance and size composition of a population of Pleurobrachia pileus was studied during a six-day drogue study conducted off the west coast of South Africa in February 1995. The population was ...
  • Benjamin, Anita; Tucker, William D. (Telkom, 2003)
    We have built a hybrid voice/text web–board that utilizes floor control for handling resources such as microphone and interface events. The aim of this research is to determine the most appropriate floor control mechanism ...
  • Adesemowo, A. Kayode; Tucker, William D. (Telkom, 2003)
    As mobile devices and networks become more data-centric, text messaging requires an extension of co-presence capabilities for better interactive discussion between input/output handicapped handheld users and their free ...
  • Ah Tow, Lemese; Cowan, Donald A. (Society for General Microbiology, 2003)
    Our results allow us to conclude that there appears to be significant conservation between the tuf genes of Planococcus, Planomicrobium and Staphylococcus spp., and that although the primer set TstaG422/TStag765 has ...
  • Sjoling, Sara; Cowan, Donald A. (Springer Verlag, 2003)
    The microbial diversity in maritime meltwater pond sediments from Bratina Island, Ross Sea, Antarctica was investigated by 16S rDNA-dependent molecular phylogeny. Investigations of the vertical distribution, phylogenetic ...
  • Baker, Gillian; Smith, Jacques J.; Cowan, Donald A. (Elsevier, 2003)
    The Polymerase Chain Reaction (PCR) has facilitated the detection of unculturable microorganisms in virtually any environmental source and has thus been used extensively in the assessment of environmental microbial diversity. ...
  • Baker, Gillian; Ah Tow, Lemese; Cowan, Donald A. (Elsevier, 2003)
    PCR-based technologies are widely employed for the detection of specific microorganisms, and may be applied to the identification of non-indigenous microorganisms in ‘pristine’ environments. For ‘pristine’ environments ...
  • Chetty, Marshini; Tucker, William D.; Blake, Edwin H. (Telkom, 2004)
    Rural areas in South Africa have unique conditions such as remoteness and scarcity of reliable public facilities. Information and Communication Technologies (ICTs) introduced into these areas must be suitable for these ...
  • 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) ...
  • Tan, Yee-Joo; Goh, Phuay-Yee; Fielding, Burtram C.; Shen, Shuo; Chou, Chih-Fong; Fu, Jian-Lin; Leong, Hoe Nam; Leo, Yee Sin; Ooi, Eng-Eong; Ling, Ai Ee; Lim, Seng Gee; Hong, Wanjin (American Society for Microbiology, 2004)
  • Sun, Tao; Tucker, William D. (Telkom, 2004)
    We have built a SoftBridge prototype within a JAIN (Java APIs for the Integrated Network) SLEE (Service Logic Execution Environment). A SoftBridge is a semi-synchronous multimodal IP (Internet Protocol) -based communication ...

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