Now showing items 699-718 of 942

  • Properties of Type Ia supernovae inside rich galaxy clusters 

    Xavier, Henrique S.; Gupta, Ravi R.; Smith, Mathew; Sako, Masao; D’Andrea, Chris B.; Frieman, Joshua A.; Galbany, Lluis; Garnavich, Peter M.; Marriner, John; Nichol, Robert C.; Olmstead, Matthew D.; Schneider, Donald P. (Oxford University Press, 2013)
    We used the Gaussian Mixture Brightest Cluster Galaxy catalogue and Sloan Digital Sky Survey-II supernovae data with redshifts measured by the Baryon Oscillation Spectroscopic Survey to identify 48 Type Ia supernovae ...
  • Proteomic mechanisms of drug resistance in Candida cell membrane fractions 

    Abrantes, Pedro Miguel dos Santos; Bouic, Patrick J.D.; Africa, Charlene W.J. (International Association for Dental Research, 2014)
    INTRODUCTION: The African continent has the highest burden of HIV infection, accounting for approximately 65% of new infections globally. Oral candidiasis is a major cause of increased morbidity in HIV-infected individuals ...
  • Proteomics of drug-resistant HIV-associated candidiasis 

    Abrantes, Pedro Miguel dos Santos; Bouic, Patrick J.D.; Africa, Charlene W.J. (University of the Western Cape, 2015)
    Candidiasis and HIV co-infection may cause increased patient morbidity and mortality due to oropharyngeal or systemic dissemination. Limited information exists on the prevalence, antifungal susceptibility profiles and drug ...
  • Provision of syndromic treatment of sexually transmitted infections by community pharmacists: a potentially underutilized HIV prevention strategy 

    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 ...
  • Proximate determinants of fertility in Ethiopia: comparative analysis of the 2005 and 2011 DHS 

    Lailulo, Yishak Abraham; Appunni, Sathiya Susuman (SAGE Publications, 2017)
    Fertility is one of the elements in population dynamics that makes a significant contribution towards changing population size and structure over time. In Ethiopia, for the last 10 years the total fertility rate (TFR) has ...
  • Pt decorated amorphous RuIr alloys as high efficiency electrocatalyst for methanol oxidation 

    Ma, Y.J.; Wang, H.; Ji, Shan; Pollet, Bruno G.; Wang, R.F. (The Electrochemical Society, 2012)
    This study focuses primarily on improving the utilization and activity of anodic catalysts for methanol electro-oxidation. The Direct Methanol Fuel Cell (DMFC) anodic catalyst, a carbon supported Pt decorated amorphous ...
  • Pt-Sn/C as a possible methanol-tolerant cathode catalyst for DMFC 

    Martin, Lynwill G.; Green, Ivan; Wang, X.; Pasupathi, Sivakumar; Pollet, Bruno G. (Springer Verlag, 2013)
    An effective method was developed for preparing highly dispersed nano-sized Pt–Sn/C electrocatalyst synthesised by a modified polyol reduction method. From XRD patterns, the Pt–Sn/C peaks shifted slightly to lower 2θ angles ...
  • Pulmonary effects and disposition of luteolin and Artemisia afra extracts in isolated perfused lungs 

    Mjiqiza, Sizwe Joel; Syce, James; Obikeze, Kenechukwu (Elsevier, 2013)
    ETHNOPHARMACOLOGICAL RELEVANCE: Artemisia afra (Asteraceae) is a traditional medicinal plant frequently used in steam inhalation form to treat respiratory conditions. AIM OF THE STUDY: Quantify luteolin content in Artemisia ...
  • Purification, crystallization and preliminary X-ray diffraction analysis of thermostable nitrile hydratase: research letter 

    Cowan, Donald A.; Sayed, Muhammed F.; Tsekoa, Tsepo L.; Cameron, Rory A.; Sewell, B. Trevor (Academy of Science of South Africa (ASSAf), 2004)
    Microbial nitrile hydratases are important industrial enzymes that catalyse the conversion of nitriles to the corresponding amides. Bacillus strain RAPc8 nitrile hydratase has recently been cloned and functionally ...
  • The Q/U imaging experiment instrument 

    Biscoff, C.; Brizius, A.; Zwart, J.; Buder, I.; Chinone, Y.; Cleary, K.; Dumoulin, R.N.; Kusaka, A.; Monsalve, R.; Naess, S.K.; Newburgh, L.B.; Nixon, G.; Reeves, R.; Smith, K.M.; Vanderlinde, K.; Wehus, I.K.; Bogdan, M.; Bustos, R.; Church, S.E.; Davis, Robert; Dickenson, C.; Eriksen, H.K.; Gaier, T.; Gundersen, J.O.; Hasegawa, M.; Hazumi, M.; Holler, C.; Huffenberger, K.M.; Imbriale, W.A.; Ishidoshiro, K.; Jones, M.E.; Kangaslahti, P.; Kapner, D.J.; Lawrence, C.R.; Leitch, E.M.; Limon, M.; McMahon, J.J.; Miller, A.D.; Nagai, M.; Nguyen, H.; Pearson, T.J.; Piccirillo, L.; Radford, S.J.E.; Readhead, A.C.S.; Richards, J.L.; Samtleben, D.; Seiffert, M.; Shepherd, M.C.; Staggs, S.T.; Tajima, O.; Thompson, K.L.; Williamson, R.; Winstein, B.; Wollack, E.J. (The American Astronomical Society, 2013)
    The Q/U Imaging ExperimenT (QUIET) is designed to measure polarization in the cosmic microwave background, targeting the imprint of inflationary gravitational waves at large angular scales(∼1◦). Between 2008 October and ...
  • A qualitative study of referring agents’ perceptions of access barriers to inpatient substance abuse treatment centres in the Western Cape 

    Isobell, Deborah; Kamaloodien, Kamal; Savahl, Shazly (BioMed Central, 2015)
    Background: Despite empirical support for the individual and public health benefits of treating substance use disorders (SUDs) , access to these services is impeded by several barriers. Although many studies on access ...
  • Quantification and identification of sperm subpopulations using computer-aided sperm analysis and species-specific cut-off values for swimming speed 

    Maree, Liana; van der Horst, Gerhard (Taylor & Francis, 2013)
    Motility is an essential characteristic of all fl agellated spermatozoa and assessment of this parameter is one criterion for most semen or sperm evaluations. Computer-aided sperm analysis (CASA) can be used to measure ...
  • Quantification of radicals generated in a sonicator 

    Fatoba, Ojo O.; Badmus, Kassim Olasunkanmi; Tijani, Jimoh O.; Eze, C.P. (Iranian Chemical Society, 2016)
    The hydroxyl radical (OH•) is a powerful oxidant produced as a consequence of cavitation in water. It can react nonspecifically in breaking down persistent organic pollutants in water into their mineral form. It can also ...
  • Quantitative assessment of heavy metal effects on sperm function using computer‐aided sperm analysis and cytotoxicity assays 

    Hardneck, Farren; Israel, Gadieja; Pool, Edmund; Maree, Liana (Wiley, 2018)
    One known environmental risk factor impacting on human reproduction is heavy metal pollution. Although some metals (e.g., Cu, Se and Zn) have protective effects on the male reproductive system in low doses, heavy metals ...
  • A query-based SMS translation in information access system 

    Adesina, Ademola Olusola; Agbele, Kehinde K.; Azeez, Nureni A.; Abidoye, Ademola P. (Blue Eyes Intelligence Engineering & Sciences Publication Pvt. Ltd., 2011)
    Mobile technology has contributed to the evolution of several media of communication such as chats, emails and short message service (SMS) text. This has significantly influenced the traditional standard way of expressing ...
  • Radiations and male fertility 

    Kesari, Kavindra Kumar; Agarwal, Ashok; Henkel, Ralf (Springer Nature, 2018)
    During recent years, an increasing percentage of male infertility has to be attributed to an array of environmental, health and lifestyle factors. Male infertility is likely to be affected by the intense exposure to heat ...
  • Radio continuum surveys with square kilometre array pathfinders 

    Norris, Ray P.; Afonso, J.; Bacon, David; Cress, Catherine (Cambridge University Press, 2013)
    In the lead-up to the Square Kilometre Array (SKA) project, several next-generation radio telescopes and upgrades are already being built around the world. These include APERTIF (The Netherlands), ASKAP (Australia), ...
  • Radio-loud active calactic nucleus: is there a link between luminosity and cluster environment? 

    Ineson, J.; Croston, J. H.; Jarvis, Matt; Hardcastle, M.J.; Evans, D. A.; Kraft, R. P. (American Physical Society, 2013)
    We present here the first results from the Chandra ERA (Environments of Radio-loud AGN) Large Project, characterizing the cluster environments of a sample of 26 radio-loud active galactic nuclei (AGNs) at z ∼ 0.5 that ...
  • Radon-222 measurements at Cape Point: A characterization of a 15-year time series 

    Botha, R.; Labuschagne, C.; Williams, A.G.; Bosman, G.; Brunke, E.-G.; Rossouw, A.; Lindsay, R. (National Association for Clean Air, 2018)
    The Cape Point (CPT) Global Atmosphere Watch (GAW) research station have been monitoring climatically significant trace gases for four decades. Among these is radon, a naturally occurring noble gas with a large continental ...
  • Rapid assessment of tissue nitrogen in cultivated Gracilaria gracilis (Rhodophyta) and Ulva lactuca (Chlorophyta) 

    Robertson-Andersson, Deborah; Wilson, D.T.; Bolton, John J.; Anderson, Robert J.; Maneveldt, Gavin (NISC, 2009)
    Tissue nitrogen content and thallus colour were quantified using a rapid assessment method based on the Pantone® matt uncoated formula guide for raft-cultivated Gracilaria gracilis Steentoft Irvine et Farnham at Saldanha ...