Browsing University of Pretoria: Research Output by Title

Browsing University of Pretoria: Research Output by Title

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  • Cyanobacteria and alphaproteobacteria may facilitate cooperative interactions in niche communities 
    Van Goethem, Marc W.; Makhalanyane, Thulani Peter; Cowan, Don A.; Valverde, Angel (Frontiers Research Foundation, 2017-10-25)
    Hypoliths, microbial assemblages found below translucent rocks, provide important ecosystem services in deserts. While several studies have assessed microbial diversity of hot desert hypoliths and whether these communities ...
  • Cyanobacteria drive community composition and functionality in rock-soil interface communities 
    Valverde, Angel; Makhalanyane, Thulani Peter; Seely, Mary; Cowan, Don A. (Wiley, 2015-02)
    Most ecological research on hypoliths, significant primary producers in hyperarid deserts, has focused on the diversity of individual groups of microbes (i.e. bacteria). However, microbial communities are inherently ...
  • Cyanobacteria harmful algae blooms: causes, impacts, and risk management 
    Igwaran, Aboi; Kayode, Adeoye John; Moloantoa, Karabelo M.; Khetsha, Zenzile P.; Unuofin, John Onolame (Springer, 2024-01)
    Cyanobacteria harmful algal blooms (cHABs) are increasingly becoming an emerging threat to aquatic life, ecotourism, and certain real estate investments. Their spontaneous yet sporadic occurrence has made mitigation measures ...
  • Cyber Cemeteries as a Challenge to Traditional Reformed Thanatological Liturgical Praxis 
    Matthee, Frans Johann Nicolaas (University of Pretoria, 2019)
    Cyberspace and ritual liturgical expression in cyberspace are areas of immense complexity. This thesis explores ritual liturgical expression in cyberspace using network ethnography, with Facebook and the memorial website ...
  • Cyber security as an emerging challenge to South African national security 
    Griffiths, Jordan Luke (University of Pretoria, 2017)
    As South Africa is a rapidly developing country and has become more increasingly technologically advanced through the growth in information communications technology (ICT) and the expansion of modern state infrastructure. ...
  • Cyber Security as an emerging threat to Kenya's national security 
    Kiboi, Brian Njama (University of Pretoria, 2015)
    The rapid growth and development of the internet and information communications technology (ICT) has delivered economic growth at an unprecedented scale and enabled seamless connectivity across all corners of the world. ...
  • Cyber-security : identity deception detection on social media platforms 
    Van der Walt, Estee; Eloff, Jan H.P.; Grobler, Jacomine (Elsevier, 2018-09)
    Social media platforms allow billions of individuals to share their thoughts, likes and dislikes in real-time, without any censorship. This freedom, however, comes at a cyber-security risk. Cyber threats are more difficult ...
  • Cybercrime : an analysis of the current legislation in South Africa 
    Schultz, Charlotte Beverly (University of Pretoria, 2016)
    No abstract
  • Cybershopping : concerns of the South African consumer 
    North, Ernest J.; Mostert, P.G. (Pierre); Du Plessis, P.J. (South African Association of Family Ecology and Consumer Sciences, 2003)
    Meeste outeurs wat oor verbruikersbesluitneming skryf, impliseer dat die verbruiker se besluit om 'n sekere produk of diens te koop ook insluit waar of by watter afsetpunt gekoop sal word. Weinig inligting is beskikbaar ...
  • CyberSurfiver : affective considerations of 'surviving' online learning 
    Meyer, Salome M.; Cronje, Johannes Christoffel; Eloff, Irma (Unisa Press, 2007)
    This article concentrates on the role that affective learning plays in e-learning. Understandably, personal contact is minimal in online learning so the question arises: How do students cope with the lack of personal ...
  • Cybrid aesthetics : exploring the expressive potential of paper as a material for spatial application to define the new cybrid archive character 
    Scheepers, Gerda (University of Pretoria, 2016)
    In recent years the concept of dematerialization has had an effect on design professions that rely on materiality for its manifestation. This process has diminished the unique characteristics of design, but through the ...
  • Cycad collicles (“leaflet nodules”) 
    Grobbelaar, Nathanael; Robbertse, P.J. (Petrus Johannes), 1932- (Elsevier, 2012-05)
    The presence of small knobs/nodules found on the adaxial leaflet surface of some Encephalartos species was investigated in 134 cycad species of nine genera. The knobs, referred to as collicles, were found to be the result ...
  • The Cycas genome and the early evolution of seed plants 
    Liu, Yang; Wang, Sibu; Li, Linzhou; Yang, Ting; Dong, Shanshan; Wei, Tong; Wu, Shengdan; Liu, Yongbo; Gong, Yiqing; Feng, Xiuyan; Ma, Jianchao; Chang, Guanxiao; Huang, Jinling; Yang, Yong; Wang, Hongli; Liu, Min; Xu, Yan; Liang, Hongping; Yu, Jin; Cai, Yuqing; Zhang, Zhaowu; Fan, Yannan; Mu, Weixue; Sahu, Sunil Kumar; Liu, Shuchun; Lang, Xiaoan; Yang, Leilei; Li, Na; Habib, Sadaf; Yang, Yongqiong; Lindstrom, Anders J.; Liang, Pei; Goffinet, Bernard; Zaman, Sumaira; Wegrzyn, Jill; Li, Dexiang; Liu, Jian; Cui, Jie; Sonnenschein, Eva C.; Wang, Xiaobo; Ruan, Jue; Xue, Jia-Yu; Shao, Zhu-Qing; Song, Chi; Fan, Guangyi; Li, Zhen; Zhang, Liangsheng; Liu, Jianquan; Liu, Zhong-Jian; Jiao, Yuannian; Wang, Xiao-Quan; Wu, Hong; Wang, Ertao; Lisby, Michael; Yang, Huanming; Wang, Jian; Liu, Xin; Xu, Xun; Li, Nan; Soltis, Pamela S.; Van de Peer, Yves; Soltis, Douglas E.; Gong, Xun; Liu, Huan; Zhang, Shouzhou (Nature Research, 2022-04-18)
    Cycads represent one of the most ancient lineages of living seed plants. Identifying genomic features uniquely shared by cycads and other extant seed plants, but not non-seed-producing plants, may shed light on the origin ...
  • Cyclic neutropenia in a basset hound 
    Koster, Liza Sally; Harper, Cindy Kim; Goddard, Amelia (BMJ Publishing Group, 2015)
    A 6 month old, male basset hound was referred for intermittent malaise, and pyrexia that repeated every 10-11 days. Sequential blood counts and bone marrow aspirates demonstrated severe neutropaenia and increased myeloid ...
  • The cyclic unit of the upper critical zone on maandagshoek 254 KT eastern Bushveld complex 
    Gain, Stephen Bryant (University of Pretoria, 1981)
    The farm Maandagshoek 254 KT is situated in the eastern lobe of the Bushveld Complex. The investigated sequence forms part of the Winterveld Norite-Anorthosite of the critical zone and consists of the UGl, UG2, UG3 ...
  • Cycling and floating performance of symmetric supercapacitor derived from coconut shell biomass 
    Barzegar, Farshad; Khaleed, Abubakar A.; Ugbo, F.U.; Oyeniran, K.O.; Momodu, Damilola Y.; Bello, Abdulhakeem; Dangbegnon, Julien K.; Manyala, Ncholu I. (American Institute of Physics, 2016)
    This work present two-step synthesizes route to low-cost mesoporous carbon from coconut shell. The electrochemical characterization of the coconut shell based activated carbon (CSAC) material as electrode for supercapacitor ...
  • Cyclitol metabolism is a central feature of Burkholderia leaf symbionts 
    Danneels, Bram; Blignaut, Monique; Marti, Guillaume; Sieber, Simon; Vandamme, Peter; Meyer, Marion; Carlier, Aurelien (Wiley, 2023-02)
    The symbioses between plants of the Rubiaceae and Primulaceae families with Burkholderia bacteria represent unique and intimate plant–bacterial relationships. Many of these interactions have been identified through ...
  • Cycloartanol and Sutherlandioside C peracetate from Sutherlandia frutescens and their immune potentiating effects 
    Gonyela, Odwa; Peter, Xolani; Dewar, John B.; Van der Westhuyzen, Chris; Steenkamp, Paul; Fouche, Gerda (Taylor and Francis, 2021)
    A novel cycloartanol (1) and an acylated Sutherlandioside D (2) together with two known cycloartane derivatives, Sutherlandioside B (3) and Sutherlandioside A (4), were isolated from the aerial parts of Sutherlandia ...
  • Cyclomap : a new phase-cycle analysis to study the kinematics of gears and bearings 
    Sibanda, Thato; Schmidt, Stephan (Elsevier, 2023-12)
    The object of this paper is to propose a new phase-cycle analysis for gear and bearing diagnostics of rotating machinery which synthesises the theory of angle-time cyclostationary (AT-CS). The motivation for this research ...
  • Cyclooxygenase inhibitors and the exercise-induced stress response 
    Claassen, Nico; Snyman, Jacques Rene; Koorts, Alida Maria; Nolte, Heinrich Wilhelm; Wagenaar, B.; Kruger, Mariana; Becker, Piet J.; Viljoen, Margaretha (Health and Medical Publishing Group, 2006-03)
    OBJECTIVE: This study investigated the effects of single dosages of the non-steroidal anti-inflammatory drug (NSAID) naproxen, and of the coxib, rofecoxib, on the exercise-induced stress response. Conclusion. The results ...