Institutional Repository | North-West University | NWU: Recent submissions
Now showing items 1-20 of 27343
-
24-Hour central blood pressure: reference values for healthy individuals. The international 24hour ambulatory aortic blood pressure consortium (I24ABC)
(Wolters Kluwer, 2019)Objective: Central systolic blood pressure (cSBP) differs from peripheral SBP (pSBP) and may have higher prognostic relevance, but the normal values in ambulatory conditions are unknown. We present reference values for ... -
May measurement month 2017 and 2018: an analysis of blood pressure screening results from the UK and Republic of Ireland
(Wolters Kluwer, 2019)Objective: Elevated blood pressure (BP), or hypertension, is a growing burden worldwide, leading to over 10 million deaths each year. May Measurement Month (MMM) is a global initiative aimed at raising awareness of high ... -
Brief report on a resilience workshop for professional rugby players
(Faculty of Education. University of Alicante, 2019)This brief report constitutes an evidence based, evaluation of a resilience workshop for 328 male professional rugby players, with mean age of 25 and standard deviation (SD) of 4.7 years. Quantitative findings revealed ... -
Sedentary behaviour and sleep problems among young, middle-aged, and older persons in South Africa: a brief report
(Taylor & Francis, 2019)The study aimed to investigate the relationship between sedentary behaviour and sleep problems in a large national community sample in South Africa. We analysed an existing cross-sectional population data set, the “South ... -
Correlates of physical activity among adults with anxiety symptoms in South Africa
(Taylor & Francis, 2019)The present study aimed to assess the correlates of low physical activity in adults with anxiety in South Africa. Data from the South African National Health and Nutrition Examination Survey (a cross-sectional survey in ... -
Personality profiling of South African rugby union players
(Taylor & Francis, 2019)This study aimed to investigate whether differences exist in the personality profiles of professional and semi-professional rugby union players. Participants were 73 male rugby players, 52 professional players and 21 ... -
Relation of the renin–angiotensin–aldosterone system with potential cardiac injury and remodelling: the SABPA study
(Taylor & Francis, 2019)Purpose: The renin-angiotensin-aldosterone system (RAAS) plays an important role in maintaining hemodynamic homeostasis. Ethnic disparities exist regarding RAAS activity due to sympathetic activity and sodium-water retention, ... -
Sensory processing disorder: perceptions on the clinical role of advanced psychiatric nurses
(AOSIS, 2019)Background: No description of the clinical role of the advanced psychiatric nurse in the management of children with sensory processing disorder could be found for the South African context. This is a loss in clinical ... -
Evaluation of catalyst activity for release of hydrogen from liquid organic hydrogen carriers
(Elsevier, 2019)This contribution investigate the effect of parameters for production of hydrogen by catalytic dehydrogenation of perhydrodibenzyltoluene (H18-DBT). The sensitivity of the dehydrogenation reaction to temperature (290–320 ... -
Visible light-excitable ZnO/2D graphitic-C3N4 heterostructure for the photodegradation of naphthalene
(Balaban Publishers, 2019)In this study, ZnO/g-C3 N4 heterostructure was synthesized with enhanced photodegradation potential for polycyclic aromatic hydrocarbons (PAHs) (viz. naphthalene) in water using visible light. The as-prepared catalysts ... -
The quantity of dark matter in early-type galaxies and its relation to the environment
(Oxford Univ Press, 2019)We study the behaviour of the dynamical and stellar mass inside the effective radius of early-type galaxies (ETGs) as a function of environment considering Newtonian dynamics, different surface-brightness profiles, different ... -
One year exposure to Cd- and Pb-contaminated soil causes metal accumulation and alteration of global DNA methylation in rats
(Elsevier, 2019)Metal pollution has been associated with anthropogenic activities, such as effluents and emissions from mines. Soil could be exposure route of wild rats to metals, especially in mining areas. The aim of this study was to ... -
Pyrolysis of tetralin liquefaction derived residues from lighter density fractions of waste coals taken from waste coal disposal sites in South Africa
(ACS, 2019)The lighter density (<1.5 g/cm3) fractions produced from two waste coals sampled from the waste coal disposal sites at thermochemical plants situated in South Africa were used as feed materials for liquefaction with tetralin. ... -
Correlation of long-term cosmic-ray modulation with solar activity parameters
(IOP Publishing, 2019)In this work, we analyze the long-term cosmic-ray modulation observed by the Hermanus neutron monitor, which is the detector with the longest cosmic-ray record, from 1957 July. For our study we use the force-field approximation ... -
Chemical additives enhance the activity of a Bt‐based biopesticide targeting the beet webworm larvae
(Wiley, 2019)Spoladea recurvalis (Fbr.) (Lepidoptera: Crambidae) larvae can cause up to 100% foliage loss on amaranths during severe outbreaks. The Bacillus thuringiensis Subsp. kurstaki product Halt® is a biologically safe biopesticide ... -
A Toeplitz-like operator with rational symbol having poles on the unit circle iii: the adjoint
(Springer, 2019)This paper contains a further analysis of the Toeplitz-like operators Tω on Hp with rational symbol ω having poles on the unit circle that were previously studied in Groenewald (Oper Theory Adv Appl 271:239–268, ... -
Reverse flows within the pharmaceutical supply chain: a classificatory review from the perspective of end-of-use and end-of-life medicines
(Elsevier, 2019)The Pharmaceutical Supply Chain (PSC) is responsible for considerable environmental and product-value impacts. However, studies on the reverse flows of PSC do not capture the diverse routes of end-of-use and end-of-life ... -
A new genus and species of the family Microdispidae (Acari: Heterostigmata) associated with Trinervitermes trinervoides (Sjöstedt) (Isoptera: Termitidae) from South Africa
(Magnolia Press, 2019)A new genus and species of termitophilous microdispid mites, Sidorchukdispus ekaterinae gen. nov. and sp. nov. (Acari: Prostigmata: Microdispidae), associated with termites, Trinervitermes trinervoides (Sjöstedt) (Isoptera: ... -
Diatoms associated with two South African kelp species: Ecklonia maxima and Laminaria pallida
(Taylor & Francis, 2019)Kelp forests are believed to host a large biomass of epiphytic fauna and flora, including diatoms, which constitute the base of aquatic food webs and play an important role in the transfer of energy to higher trophic levels. ... -
Facile immobilization of glucose oxidase onto gold nanostars with enhanced binding affinity and optimal function
(Royal Society, 2019)Gold nanoparticles provide a user-friendly and efficient surface for immobilization of enzymes and proteins. In this paper, we present a novel approach for enzyme bioconjugation to gold nanostars (AuNSs). AuNSs were modified ...