Browsing Faculty of Natural Sciences by Title

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Browsing Faculty of Natural Sciences by Title

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  • Aza-Gnandji, Ruben C.D.; Xu, Yongxin; Raitt, Lincoln; Levy, Jonathan (Water Research Commission, 2013)
    This paper explores the nature, source and spatial variation of the salinity of water used for irrigation in a coastal urban farming area in Cape Town, South Africa, where water from the Cape Flats aquifer is drawn into ...
  • Maneveldt, Gavin (Botanical Society of South Africa, 2008)
    Introduction: An excursion into the Limietberg Nature Reserve in the Bain's Kloof Mountains during the winter of 2006, one that I have undertaken regularly over the past ten years or so, had revealed a noticeably high ...
  • Burton, Stephanie; Cowan, Donald A.; Woodley, John M. (Nature Publishing Group, 2002)
    While the use of enzymes as biocatalysts to assist in the industrial manufacture of fine chemicals and pharmaceuticals has enormous potential, application is frequently limited by evolution-led catalyst traits. The advent ...
  • Poroye, Adeola; Tucker, William D.; Norman, Michael (Telkom, 2009)
    This paper presents work in progress to explore the utility of Near Field Communication technology to secure mobile financial services. The objective is to evaluate the potential of this approach as an upcoming technology ...
  • Pagaling, Eulyn; Haigh, Richard D.; Grant, William D.; Cowan, Donald A.; Jones, Brian; Ma, Yanhe; Ventosa, Antonio; Heaphy, Shaun (BioMed Central, 2007)
    Background: We are profoundly ignorant about the diversity of viruses that infect the domain Archaea. Less than 100 have been identified and described and very few of these have had their genomic sequences determined. ...
  • Tan, Yee-Joo; Tham, Puay-Yoke; Chan, Daphne Z. L.; Chou, Chih-Fong; Shen, Shou; Fielding, Burtram C.; Tan, Timothy H.P.; Lim, Seng Gee; Hong, Wanjin (American Society for Microbiology, 2005)
    Here we analyzed the gene expression profile of cells that stably express the severe acute respiratory syndrome coronavirus (SARS-CoV) 3a protein to determine its effects on host functions. A lung epithelial cell-line, ...
  • Fielding, Burtram C.; Gunalan, Vithiagaran; Tan, Timothy H.P.; Chou, Chih-Fong; Shen, Shou; Khan, Sehaam; Lim, Seng Gee; Hong, Wanjin; Tan, Yee-Joo (Elsevier, 2006)
    Severe acute respiratory syndrome coronavirus (SARS-CoV) 7a is an accessory protein with no known homologues. In this study, we report the interaction of a SARS-CoV 7a and small glutamine-rich tetratricopeptide repeat-containing ...
  • Koen, Chris; D’Amato, M.E. (Elsevier, 2010)
    The non-recombining nature of the Y-chromosome determines the non-independence of alleles between loci. The evolution of short tandem repeat (STR) loci in the Y-chromosome is the result of different factors such as ...
  • Wu, Wilson; Radovanovic, Aleksandar; Tucker, William D. (Telkom, 2005)
    This paper presents an innovative use of the Session Initiation Protocol (SIP) for the subscription and notification of geographic information in order to provide a privacy concerned location-based service. SIP is a signaling ...
  • Kobo, Hlabishi Isaac; Tucker, William D.; Liu, Xiao Ming (Telkom, 2011)
    Situation-aware routing seeks to improve quality of service on hybrid wireless mesh networks by making routing decisions based on the current situation of the network. BATMAN-adv is a mesh routing protocol that counts ...
  • Kobo, Hlabishi Isaac; Tucker, William D. (IIMC International Information Management Corporation, 2012)
    This paper describes a situation-aware algorithm based on the current situation of a mesh network with mobile nodes that improves quality of service. After running laboratory performance tests, we concluded that a ...
  • Wu, Yong; Xu, Yongxin (Water Research Commission, 2005)
    Snowmelt in the mountainous areas of the Table Mountain Group (TMG) in South Africa is believed to be one of sources of groundwater recharge in some winter seasons. This paper provides a scientific assessment of snow ...
  • Blake, Edwin H.; Tucker, William D. (IIMC International Information Management Corporation, 2006)
    While the social effects of Information Technology (IT) have received much attention there is very little work on targeted methodologies to develop IT applications and content in a developing world environment. This paper ...
  • Roro, Zukile; Rey-Moreno, Carlos; Tucker, William D.; Siya, Masbulele Jay (Telkom, 2012)
    This paper describes work in progress towards developing a business case and preliminary design for an 802.11-based mesh network in the remote rural community of Mankosi in the Eastern Cape province of South Africa. Aside ...
  • 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 ...
  • Lewis, John; Tucker, William D.; Blake, Edwin H. (Telkom, 2002)
    Users and computing equipment have varying capabilities that include the abilities to exchange text and audio, engage in high bandwidth communication, etc. As the technological options increase, e ective communication ...
  • 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 ...
  • 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 ...
  • Appunni, Sathiya Susuman (Kamla-Raj Enterprises, 2006)
    This paper examines the son preference and contraceptive practice among tribal groups in rural south India. Parents’ preferences for the sex of their children have constituted an important theme in population and social ...
  • Mustart, Penny; Maneveldt, Gavin (Botanical Society of South Africa, 2010)
    Traces the history of the Royal Observatory Cape of Good Hope, today known as the South African Astronomical Observatory (SAAO). Describes the flora and its management.

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