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  • Patents and economic development in South Africa : managing intellectual property rights 
    Pouris, Anthipi; Pouris, Anastassios (Academy of Science of South Africa, 2011-11-01)
    Intellectual property rights systems are important policy instruments in the armoury of governments. They have the potential to have favourable or adverse consequences for the relevant national system of innovation, ...
  • Patents and profits : a disparity of manufacturing margins in the tenofovir value chain 
    Walwyn, David Richard (Routledge, 2013)
    Registered in 2001, tenofovir disoproxil fumarate (TDF) has quickly become a mainstay of first line regimens for the treatment of HIV. Initially only available in developed countries at a cost of US$5 000 per person per ...
  • Patents vs publications and R&D : three sides of the same coin? Panel smooth transition regression (PSTR) for OECD and BRICS countries 
    Inglesi-Lotz, Roula; Hakimi, Abdelaziz; Pouris, Anastassios (Routledge, 2018-05)
    The paper aims to define the optimal thresholds of publications and Research and Development (R&D) expenditure and to investigate their impacts on patenting in OECD and BRICS countries. To do so, we use a dataset of 25 ...
  • The Pater familias as a landowner in the context of the slave laws of the Pentateuch. A brief response to Esias E. Meyer 
    Kilchor, Benjamin (Old Testament Society of South Africa, 2019)
    In his review essay on my dissertation, Esias E. Meyer dedicates an important part to discussing the slave laws in the Pentateuch. A key role in his critique is played by his understanding of the term pater familias as ...
  • Paternal advice 
    Ter Borch, Gerard (2009-04-14)
    Photograph of a painting by Gerard ter Borch of a domestic scene in a bedroom. The seated father is apparently admonishing his daughter, who is dressed in a beautifully rendered satin dress. The mother is sipping from a ...
  • Paternal influences on the sexual behaviour of African male adolescents 
    Motha, Lindelwe (University of Pretoria, 2016)
    Fatherlessness is a problem that affects a majority of African families in South Africa. African fathers become absent in the home due to various reasons such as, death, divorce, separation, imprisonment and distant work ...
  • A path forward in the debate over health impacts of endocrine disrupting chemicals 
    Zoeller, R. Thomas; Bergman, Åke; Becher, Georg; Bjerregaard, Poul; Bornman, Maria S. (Riana); Brandt, Ingvar; Iguchi, Taisen; Jobling, Susan; Kidd, Karen A.; Kortenkamp, Andreas; Toppari, Jorma; Vandenberg, Laura N. (BioMed Central, 2014-12)
    Several recent publications reflect debate on the issue of “endocrine disrupting chemicals” (EDCs), indicating that two seemingly mutually exclusive perspectives are being articulated separately and independently. Considering ...
  • Path-dependent volatility and the preservation of PDEs 
    Light, Michael (University of Pretoria, 2016)
    The classical theory of risk neutral derivative pricing relies on the underlying market model being Markovian and complete. We present the theory of stochastic di erential equations relevant to risk neutral pricing, ...
  • Path-length compensation in multi-loop retrodirective cross-eye jamming 
    Du Plessis, W.P. (Warren Paul) (Institute of Electrical and Electronics Engineers, 2019-02)
    Multiloop retrodirective cross-eye jammers offer the possibility of both simplifying system implementation and improving system performance. However, the signals for each jammer loop propagate along different paths, leading ...
  • Pathogen detection and disease diagnosis in wildlife : challenges and opportunities 
    Michel, Anita Luise; Van Heerden, Henriette; Prasse, D.; Rutten, Victor P.M.G.; Al Dahouk, S.; Crossley, B.M. (World Organisation for Animal Health, 2021)
    Recent decades have witnessed an increase in the demand for pathogen detection and other diagnostic approaches for wild animal populations as interest has grown in infectious diseases that occur in wildlife. This is ...
  • Pathogen infection influences a distinct microbial community composition in sorghum RILs 
    Masenya, K.; Thompson, G.D.; Tekere, M.; Makhalanyane, Thulani Peter; Pierneef, Rian Ewald; Rees, D.J.G. (Springer, 2021-06)
    AIMS: The rhizosphere microbiome substantially affects plant health, yet comparatively little is known regarding the foliar community dynamics. Here, we examine the relationship between the microbiota and their response to ...
  • Pathogen surveillance and epidemiology in endangered peninsular bighorn sheep (Ovis canadensis nelsoni) 
    Sanchez, Jessica N.; Munk, Brandon A.; Colby, Janene; Torres, Steve G.; Gonzales, Ben J.; DeForge, James R.; Byard, Aimee J.; Konde, Lora; Shirkey, Nicholas J.; Pandit, Pranav S.; Botta, Randy A.; Roug, Annette; Ziccardi, Michael H.; Johnson, Christine K. (Wiley Open Access, 2022-11)
    Peninsular bighorn sheep (Ovis canadensis nelsoni) are found exclusively in Southern California and Baja Mexico. They are federally endangered due to multiple threats, including introduced infectious disease. From 1981 ...
  • Pathogen- and host-directed anti-inflammatory activities of macrolide antibiotics 
    Steel, Helen C.; Theron, Annette J.; Cockeran, Riana; Anderson, Ronald; Feldman, Charles; Asano, Kazuhito (Hindawi Publishing Corporation, 2012)
    Macrolide antibiotics possess several, beneficial, secondary properties which complement their primary antimicrobial activity. In addition to high levels of tissue penetration, whichmay counteract seemingly macrolide-resistant ...
  • Pathogen-associated self-medication behavior in the honeybee Apis mellifera 
    Gherman, Bogdan I.; Denner, Andreas; Bobis, Otilia; Dezmirean, Daniel S.; Mărghitaş, Liviu A.; Schlüns, Helge; Moritz, Robin F.A.; Erler, Silvio (Springer, 2014-08)
    Honeybees, Apis mellifera, have several prophylactic disease defense strategies, including the foraging of antibiotic, antifungal, and antiviral compounds of plant products. Hence, honey and pollen contain many compounds ...
  • A pathogen-specific approach towards udder health management in dairy herds : using culture and somatic cell counts from routine herd investigations 
    Petzer, Inge-Marie; Karzis, Joanne; Donkin, Edward Francis; Webb, E.C. (Edward Cottington) (AOSIS OpenJournals, 2016-08-30)
    A dedicated udder health diagnostic programme was developed and used over a 15-year period in South Africa to analyse milk samples based on microbiological and cytological patterns within various groups and for individual ...
  • Pathogenesis and prevention of risk of cardiovascular events in patients with pneumococcal community‐acquired pneumonia 
    Feldman, Charles; Normark, Staffan; Henriques-Normark, Birgitta; Anderson, Ronald (Wiley, 2019-06)
    It is now well recognized that cardiovascular events (CVE) occur quite commonly, both in the acute phase and in the long‐term, in patients with community‐acquired pneumonia (CAP). CVE have been noted in up to 30% of patients ...
  • The pathogenesis of heartwater 
    Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); Du Plessis, J.L.; Malan, Letitia; Kowalski, Z.E.; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1987)
    Hypotheses on the pathogenesis of heartwater, which have been published so far, are briefly reviewed. Attempts were made at counteracting the effects of vaso-active substances released by mast cells by treating mice infected ...
  • Pathogenesis of heartwater. I. Cowdria ruminantium in the lymph nodes of domestic ruminants 
    Du Plessis, J.L.; South Africa. Dept. of Agricultural Technical Services; Tustin, R.C.; De Lange, M.; Reinecke, R.K.; Walker, Jane B.; De Kock, V.E. (Pretoria : Government Printer, 1970)
    The intracellular replication of Cowdria ruminantium (Cowdry, 1926) is described in reticulum cells of lymph nodes several days prior to the appearance of rickettsial colonies in vascular endothelial cells. This is ...
  • Pathogenesis of keratinocyte carcinomas and the therapeutic potential of medicinal plants and phytochemicals 
    Josiah, Andrea Jess; Twilley, Danielle; Pillai, Sreejarani Kesavan; Ray, Suprakas Sinha; Lall, Namrita (MDPI, 2021-04-01)
    Keratinocyte carcinoma (KC) is a form of skin cancer that develops in keratinocytes, which are the predominant cells present in the epidermis layer of the skin. Keratinocyte carcinoma comprises two sub-types, namely basal ...
  • Pathogenesis, biophysical stability and phenotypic variance of SAT2 foot-and-mouth disease virus 
    Ramulongo, Tovhowani Dapheny; Maree, Francois Frederick; Scott, Katherine; Opperman, Pamela Anne; Theron, Jacques (Elsevier, 2020-04)
    Foot-and-mouth disease (FMD) is a highly contagious vesicular disease of cloven-hoofed animals, which severely decreases livestock productivity. FMD virus (FMDV), the causative agent, initiates infection by interaction ...