Browsing Workspace (UPSpace) by Title

Browsing Workspace (UPSpace) by Title

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  • Accretion formation on the refractory lining during the melting of ferrosilicon 
    Nemavhola, T.M.; Coetsee, T.; Garbers-Craig, Andrie Mariana (Southern African Institute of Mining and Metallurgy, 2021-02)
    Accretions often form in furnaces when slag and charge materials attach to the refractory wall and build up over time. Accretion formation is usually unwanted because it reduces the working volume of the reactor and ...
  • Accuracy of end-on fluoroscopy in predicting implant position in relation to the vertebral canal in dogs 
    Goffart, Laura M.; Precht, Christina; Fosgate, Geoffrey Theodore; Maiolini, Arianna; Hettlich, Bianca F. (Frontiers Media, 2022-10-20)
    OBJECTIVE : To evaluate the accuracy of end-on fluoroscopy in predicting implant position in relation to the vertebral canal in the canine thoracolumbar vertebral column. STUDY DESIGN : In vitro imaging and anatomic ...
  • The accuracy of nurse-led triage of adult patients in the emergency centre of urban private hospitals 
    Smith, Jenna; Filmalter, Cecilia Jacoba; Masenge, Andries; Heyns, Tanya (Elsevier, 2022-06)
    BACKGROUND : Triage is applied in emergency centres (ECs) to assign degrees of urgency to illnesses or injuries to decide in which order to treat patients, especially when there are many patients or casualties, facilitating ...
  • Achieving employee engagement through effective internal communication 
    Mbhele, Senelisiwe; De Beer, Estelle (University of Johannesburg, 2021-12)
    Internal communication is a prerequisite for organisational success as it underpins organisational effectiveness. Previous research (Albrecht, 2010; Andrew & Sofian, 2012; Hayase, 2009; Mamdoo, 2012; Markos & Sridevi, ...
  • Achieving global biodiversity goals by 2050 requires urgent and integrated actions 
    Leadley, Paul; Gonzalez, Andrew; Obura, David; Krug, Cornelia B.; Londono-Murcia, Maria Cecilia; Millette, Katie L.; Radulovici, Adriana; Rankovic, Aleksandar; Shannon, Lynne J.; Archer, Emma Rosa Mary; Armah, Frederick Ato; Bax, Nic; Chaudhari, Kalpana; Costello, Mark John; Davalos, Liliana M.; De Oliveira Roque, Fabio; DeClerck, Fabrice; Dee, Laura E.; Essl, Franz; Ferrier, Simon; Genovesi, Piero; Guariguata, Manuel R.; Hashimoto, Shizuka; Speranza, Chinwe Ifejika; Isbell, Forest; Kok, Marcel; Lavery, Shane D.; Leclere, David; Loyola, Rafael; Lwasa, Shuaib; McGeoch, Melodie; Mori, Akira S.; Nicholson, Emily; Ochoa, Jose M.; Ollerer, Kinga; Polasky, Stephen; Rondinini, Carlo; Schroer, Sibylle; Selomane, Odirilwe; Shen, Xiaoli; Strassburg, Bernardo; Sumaila, Ussif Rashid; Tittensor, Derek P.; Turak, Eren; Urbina, Luis; Vallejos, Maria; Vazquez-Dominguez, Ella; Verburg, Peter H.; Visconti, Piero; Woodley, Stephen; Xu, Jianchu (Cell Press, 2022-06)
    Governments are negotiating actions intended to halt biodiversity loss and put it on a path to recovery by 2050. Here, we show that bending the curve for biodiversity is possible, but only if actions are implemented urgently ...
  • Achieving maternal viral load suppression for elimination of mother-to-child transmission of HIV in South Africa 
    Moyo, Faith; Mazanderani, Ahmad Haeri; Murray, Tanya; Sherman, Gayle G.; Kufa, Tendesayi (Lippincott Williams and Wilkins, 2021-02)
    OBJECTIVE : To describe changes in maternal viral control over time in South African women living with HIV (WLHIV) using surveillance data from the National Health Laboratory Service's Corporate Data Warehouse (NHLS ...
  • Achieving sustainable corporate social responsibility outcomes : a multiple case study in the South African mining industry 
    Serfontein-Jordaan, Muriel; Dlungwane, Sixolile (University of the Free State, 2022-12-08)
    Mining companies are responding to increasing pressure to conduct their operations responsibly by implementing corporate social responsibility (CSR) projects in their host communities. However, it has been argued that ...
  • The acidic tumour microenvironment : manipulating the immune response to elicit escape 
    Worsley, Catherine; Veale, Rob B.; Mayne, Elizabeth S. (Elsevier, 2022-05)
    The success of cancer treatment relies on the composition of the tumour microenvironment which is comprised of tumour cells, blood vessels, stromal cells, immune cells, and extracellular matrix components. Barriers to ...
  • Acinetobacter baumannii complex, national laboratory-based surveillance in South Africa, 2017 to 2019 
    Perovic, Olga; Duse, Adrian; Chibabhai, Vindana; Black, Marianne; Said, Mohamed; Prentice, Elizabeth; Wadula, Jeannette; Mahabeer, Yesholata; Han, Swe Swe; Mogokotleng, Ruth; Strasheim, Wilhelmina; Lowe, Michelle; Jallow, Sabelle; Ismail, Husna (Public Library of Science, 2022-08-04)
    OBJECTIVE : We aimed to provide an analysis of A. baumannii complex (ABC) isolated from blood cultures in South Africa. MATERIALS AND METHODS : ABC surveillance was conducted from 1 April 2017 to 30 September 2019 at ...
  • Acoustics in South African classrooms : regulations versus reality 
    Van Reenen, Coralie Anne; Du Plessis, Chrisna (Sage, 2022-03)
    This research set out to broaden the pool of evidence regarding the acoustic conditions at schools in South Africa. A review of local and international literature, standards and design guidelines shows that the ideal ...
  • Actions to halt biodiversity loss generally benefit the climate 
    Shin, Yunne-Jai; Midgley, Guy F.; Archer, Emma Rosa Mary; Arneth, Almut; Barnes, David K.A.; Chan, Lena; Hashimoto, Shizuka; Hoegh-Guldberg, Ove; Insarov, Gregory; Leadley, Paul; Levin, Lisa A.; Ngo, Hien T.; Pandit, Ram; Pires, Aliny P.F.; Poertner, Hans-Otto; Rogers, Alex D.; Scholes, Robert J.; Settele, Josef; Smith, Pete (Wiley, 2022-05)
    The two most urgent and interlinked environmental challenges humanity faces are climate change and biodiversity loss. We are entering a pivotal decade for both the international biodiversity and climate change agendas with ...
  • The activity of Aloe arborescens Miller varieties on wound-associated pathogens, wound healing and growth factor production 
    Loggenberg, Samantha Rae; Twilley, Danielle; De Canha, Marco Nuno; Meyer, Debra; Lall, Namrita (Elsevier, 2022-07)
    Various Aloe L. species have been used worldwide to soothe and treat dermal wounds and burns. However, there is a lack of substantiative research on the efficacy of Aloe L. species for wound healing. The aim of this study ...
  • Acute clinical evaluation for syndesmosis injury has high diagnostic value 
    Baltes, Thomas P.A.; Al Sayrafi, Omar; Arnaiz, Javier; Al‑Naimi, Maryam R.; Geertsema, Celeste; Geertsema, Liesel; Holtzhausen, Louis; D’Hooghe, Pieter; Kerkhoffs, Gino M.M.J.; Tol, Johannes L. (Springer, 2022-11)
    PURPOSE : To determine the diagnostic value of injury history, physical examination, six syndesmosis tests and overall clinical suspicion for syndesmosis injury. METHODS : All athletes (> 18 yrs) with an acute ankle injury ...
  • 'Acute kidney injury predictive models : advanced yet far from application in resource-constrained settings.' 
    Mrara, Busisiwe; Paruk, Fathima; Oladimeji, Olanrewaju (F1000 Research Ltd, 2022)
    Acute kidney injury (AKI) remains a significant cause of morbidity and mortality in hospitalized patients, particularly critically ill patients. It poses a public health challenge in resource-constrained settings due to ...
  • Acute phase reactants in nondomesticated mammals—a veterinary clinical pathology perspective 
    Hooijberg, Emma Henriette; Cray, Carolyn (Wiley, 2023-02)
    Applications for acute phase reactants (APRs) in nondomesticated mammals include identifying inflammatory disease, monitoring the course of specific disease processes and recovery during rehabilitation, detecting preclinical ...
  • Adapt or die : targeting unique transmission-stage biology for malaria elimination 
    Van der Watt, Mariette Elizabeth; Reader, Janette; Birkholtz, Lyn-Marie (Frontiers Media S.A., 2022-06-09)
    Plasmodium parasites have a complex life cycle that includes development in the human host as well as the Anopheles vector. Successful transmission of the parasite between its host and vector therefore requires the ...
  • Adapted full-face snorkel masks as an alternative for COVID-19 personal protection during aerosol generating procedures in South Africa 
    Herselman, Ronel; Lalloo, Vidya; Ueckermann, Veronica; Van Tonder, Daniel Johannes; De Jager, Edwin John; Spijkerman, Sandra; Van der Merwe, Wanda; Du Pisane, Marizane; Hattingh, Fanie; Stanton, David; Hofmeyr, Ross (Elsevier, 2021-12)
    INTRODUCTION : SARS-CoV-2 has resulted in increased worldwide demand for personal protective equipment (PPE). With pressure from ongoing epidemic and endemic episodes, we assessed an adapted snorkel mask that provides full-face ...
  • Adapting sanitation needs to a latrine design (and its upgradable models) : a mixed method study under lower middle-income rural settings 
    Kanda, Artwell; Ncube, Esper Jacobeth; Voyi, K.V.V. (Kuku) (MDPI, 2021-12-04)
    Rural households have latrine preferences and unique sanitation needs. An assessment of how rural households adapt their sanitation needs to a nationally encouraged latrine design was done. A cross-sectional survey was ...
  • Adaptive finite-time control of multi-agent systems with partial state constraints and input saturation via event-triggered strategy 
    Huang, Xiaoting; Yu, Hui; Xia, Xiaohua (Wiley Open Access, 2023-03)
    This paper focuses on the finite-time control problem of multi-agent systems with input saturation, unknown nonlinear dynamics, external disturbances and partial state constraints via output feedback. Fuzzy logic system ...
  • Adaptive mesh refinement method for the reduction of computational costs while simulating slug flow 
    Potgieter, J.; Lombaard, Louis; Hannay, J.; Moghimi, M.A.; Valluri, P.; Meyer, Josua P. (Elsevier, 2021-12)
    Microchannel flow boiling has been the focus of many experimental and numerical investigations due to the high heat transfer coefficients that it can induce. However, experimental research has been limited due to the small ...