Now showing items 519-538 of 929

  • Metaviromics of namib desert salt pans: a novel lineage of haloarchaeal salterproviruses and a rich source of ssDNA viruses 

    Adriaenssens, Evelien M.; van Zyl, Leonardo Joaquim (MDPI, 2016)
    Viral communities of two different salt pans located in the Namib Desert, Hosabes and Eisfeld, were investigated using a combination of multiple displacement amplification of metaviromic DNA and deep sequencing, and provided ...
  • Metronidazole in the Prophylaxis and treatment of Anaerobic Infection 

    Applebaum, P.C.; Moodley, J.; Chatterton, S.A.; Cowan, D.B.; Africa, Charlene W.J. (Health and Medical Publishing Group, 1978)
    The influence of prophylactic metronidazole on vaginal carriage rates of anaerobes and the development of postoperative anaerobic infection was studied in 104 women who underwent abdominal hysterectomy. Metronidazole ...
  • Mice and men: Their promoter properties 

    Bajic, Vladimir B.; Tan, Sin lam; Christoffels, Alan; Schonbach, Christian; Lipovich, Leonard; Yang, Liang; Hofmann, Oliver; Kruger, Adele; Hide, Winston; Kai, Chikatoshi; Kawai, Jun; Hume, David, A.; Carninci, Piero; Hayashizaki, Yoshihide (PLoS Genetics, 2006)
    Using the two largest collections of Mus musculus and Homo sapiens transcription start sites (TSSs) determined based on CAGE tags, ditags, full-length cDNAs, and other transcript data, we describe the compositional landscape ...
  • Micro-Eukaryotic diversity in Hypolithons from Miers Valley, Antarctica 

    Gokul, Jarishma K.; Valverde, Angel; Tuffin, Marla; Cary, Stephen Craig; Cowan, Donald A. (Multidisciplinary Digital Publishing Institute (MDPI), 2013)
    The discovery of extensive and complex hypolithic communities in both cold and hot deserts has raised many questions regarding their ecology, biodiversity and relevance in terms of regional productivity. However, most ...
  • The Microbial Aetiology of Periodontal Diseases 

    Africa, Charlene W.J. (InTech, 2012)
    Introduction: The study of the aetiology of periodontal diseases has continued for decades with much progress shown in the last two decades. Having moved through periods of “whole” plaque (with emphasis on mass) being ...
  • Microstructurally-based constitutive modelling of the skin – Linking intrinsic ageing to microstructural parameters 

    Pond, D.; McBride, A.T.; Davids, L.M.; Reddy, B.D.; Limbert, G. (Elsevier, 2018)
    A multiphasic constitutive model of the skin that implicitly accounts for the process of intrinsic (i.e. chronological) ageing via variation of the constitutive parameters is proposed. The structurally-motivated constitutive ...
  • Microtubular dysfunction and male infertility 

    Gunes, Sezgin; Sengupta, Pallav; Henkel, Ralf; Alguraigari, Aabed; Sinigaglia, Mariana Marques; Kayal, Malik; Joumah, Ahmad; Agarwal, Ashok (Korean Society for Sexual Medicine and Andrology, 2018)
    Microtubules are the prime component of the cytoskeleton along with microfilaments. Being vital for organelle transport and cellular divisions during spermatogenesis and sperm motility process, microtubules ascertain ...
  • Microwave-assisted methods for the synthesis of pentacyclo[5.4.0.02,6.03,10.05,9]undecylamines 

    Joubert, Jacques; Sharma, Rajan; Onani, Martin O.; Malan, Sarel F. (Elsevier, 2013)
    Efficient methodologies for the preparation of pentacyclo[5..4.0.02,6.03,10.05,9]undecane (PCU) amine derivatives are described via microwave-assisted synthesis. The obtained results revealed that microwave-assisted synthetic ...
  • Mind the gap: Science and engineering education at the secondary–tertiary interface 

    Case, Jenni; Marshall, Delia; Grayson, Diane (Academy of Science of South Africa, 2013)
    In the South African higher education sector, there is increasing concern about the poor retention and throughput rates of undergraduate students. There is also concern that the participation rates in higher education, ...
  • Mining the Herschel-Astrophysical Terahertz Large Area Survey: submillimetre-selected blazars in equatorial fields 

    Lopez-Caniego, M.; Gonzalez-Nuevo, J.; Massardi, M.; Jarvis, Matt (Oxford University Press, 2013)
    The Herschel-Astrophysical Terahertz Large Area Survey (H-ATLAS) provides an unprecedented opportunity to search for blazars at sub-mm wavelengths. We cross-matched the Faint Images of the Radio Sky at Twenty-cm (FIRST) ...
  • Mobile Communication Tools for a South African Deaf patient in a pharmacy context 

    Chininthorn, Prangnat; Glaser, Meryl; Freudenthal, Adinda; Tucker, William David (IIMC International Information Management Corporation, 2012)
    This paper presents a case for iterative community-based co-design to facilitate the emergence of an innovative mobile system to address a potentially life-threatening scenario for Deaf people in South Africa. For Deaf ...
  • A mobile Deaf-to-hearing communication aid for medical diagnosis 

    Mutemwa, Muyowa; Tucker, William David (Telkom, 2010)
    This paper describes how a deaf to hearing communication aid built for a mobile phone can be used to provide semi-synchronous communication between a Deaf person and a hearing person who cannot sign. Deaf people with access ...
  • A mobile platform traffic generator for network performance evaluation 

    Tiemeni, Ghislaine Livie Ngangom; Venter, Isabella M.; Rey-Moreno, Carlos; Tucker, William David (Telkom, 2013)
    This work in progress paper presents an overview of the development of an efficient and accurate mobile traffic generator based on an open source computer-based traffic generator software. A high performance mobile traffic ...
  • Mobile vertical handover between infrastructure and ad hoc Wi-Fi networks 

    Chitedze, Zimani; Tucker, William David (Telkom, 2011)
    This paper addresses mobility management issues in an environment with both wireless LAN and wireless mesh networks. We first examine wireless mesh network client side transparency within mesh mobility management protocols ...
  • Mobile video comparison to help Deaf people make informed choices: a South African case study with provincial data 

    Henney, Andre; Tucker, William David (IIMC International Information Management Corporation, 2018)
    Deaf people use sign language to communicate and use mobile video calling to communicate with one another. Mobile video utilises much more bandwidth than text and voice communication modes, resulting in higher expenditure ...
  • A Mobile-Health Information Access System 

    Adesina, Ademola Olusola; Nyongesa, Henry O. (Telkom, 2013)
    Patients using the Mobile-Health Information System can send SMS requests to a Frequently Asked Questions (FAQ) web server with the expectation of receiving an appropriate feedback on issues that relate to their health. ...
  • A model for control of HIV/AIDS with parental care 

    Abiodun, Gbenga Jacob; Marcus, Nizar; Okosun, Kazeem Oare; Witbooi, Peter J. (World Scientific Publishing, 2013)
    In this study we investigate the HIV/AIDS epidemic in a population which experiences a significant flow of immigrants. We derive and analyze a mathematical model that describes the dynamics of HIV infection among the ...
  • A model of HIV/AIDS population dynamics including ARV treatment and pre-exposure prophylaxis 

    Nsuami, Mozart U.; Witbooi, Peter J. (SpringerOpen, 2018)
    Antiretroviral treatment (ART) and oral pre-exposure prophylaxis (PrEP) have recently been used efficiently in management of HIV infection. Pre-exposure prophylaxis consists in the use of an antiretroviral medication to ...
  • A model of population dynamics of TB in a prison system and application to South Africa 

    Witbooi, Peter J.; Vyambwera, Sibaliwe Maku (BioMed Central, 2017)
    BACKGROUND: Tuberculosis (TB) continues to spread in South African prisons in particular, as prisons are over-capacitated and have poor ventilation. The awaiting trial detainees are not screened on admission and are at ...
  • Model-independent constraints on dark energy and modified gravity with the SKA 

    Zhao, Gong-Bo; Bacon, David; Maartens, Roy; Santos, Mario G.; Raccanelli, Alvise (Proceedings of Science, 2014)
    Employing a nonparametric approach of the principal component analysis (PCA), we forecast the future constraint on the equation of state w(z) of dark energy, and on the effective Newton constant m(k; z), which parameterise ...