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Optimising Nursery Operation Schedules with Multiperiod Linear Programming
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: RudolfJanse van Rensburg --- Department of Forest Science, South Africa BrianV. Bredenkamp --- Department of Forest Science, South AfricaA dynamic multiperiod linear programming model which addresses nursery scheduling is presented. Due to its dynamic nature, it provides a means to manage risks and uncertainties such as disease, rootstrike, germination and fluctuating demands. By optimising the whole production process,... -
Knowing but not knowing: providing maternity care in the context of HIV/AIDS in rural Zimbabwe
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Thubelihle Mathole Gunilla Lindmark Beth Maina AhlbergIndividual interviews with 25 nurses and midwives revealed their experiences with providing maternity care in rural Zimbabwe. These first-hand accounts especially illuminate the complexities of providing maternity care in the context of HIV/AIDS. The caregivers described feeling troubled by knowing... -
Intrapartum practices to limit vertical transmission of HIV
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Antoinette du Preez Engela du Plessis Abel PienaarThe need to improve health services to HIV-positive women requires a specific focus on limiting mother-to-child transmission. Vertical transmission most often takes place during the intrapartum period; hence, it is essential to alert midwives to what constitutes safe or risky... -
Understanding the experiences of doctors who undertake elective surgery on HIV/AIDS patients in an area of high incidence in South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Jacqueline Gwala-Ngozo --- Department of Public Health Medicine, Nelson R. Mandela School of Medicine, South Africa Myra Taylor --- Department of Public Health Medicine, Nelson R. Mandela School of Medicine, South Africa Colleen Aldous --- Centre for the AIDS Programme of Research in South Africa (CAPRISA), Nelson R. Mandela School of Medicine, South AfricaThis study investigates the experiences of doctors who perform elective surgical procedures in an area of South Africa with a high incidence of HIV and AIDS. A qualitative study approach was adopted. Interviews were individually conducted with 15 doctors. The... -
Clinical waste management in the context of the Kanye community home-based care programme, Botswana
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: SimonM Kang'etheThis study examines clinical waste disposal and handling in the context of a community home-based care (CHBC) programme in Kanye, southern Botswana. This qualitative study involved 10 focus group discussions with a total of 82 HIV/AIDS primary caregivers in Kanye,... -
The benefits and risks of vasoactive agents
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: RP Von Rahden --- Clinical Unit; Department of Anaesthesia,Current shock resuscitation strategies require titration of fluid in combination with inotropes and vasopressors to counteract the actual pattern of circulatory abnormality in the patient, and to restore the circulation to a level that is adequate to prevent organ ischaemia... -
Intraoperative point-of-care testing
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: RP Von Rahden --- Clinical Unit; Department of Anaesthesia,Point-of-care devices offer an increasing number of analytical tests more quickly than laboratory analysis, but clinicians must be aware of the limitations of these devices, especially for critical threshold-level decisions. Glucometers are susceptible to a wide range of errors, and... -
Community perception of traditional circumcision in a sub-region of the Transkei, Eastern Cape, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: BL Meel --- Department of Forensic Medicine, Faculty of Health Sciences,The ritual of traditional male circumcisions (initiation) of young adults goes back generations among Xhosa people of South Africa. Xhosa tribe is committed to preserving the old cultural traditions. Recently, this ritual has been tarnished by serious complications that have... -
Smokeless tobacco: is it really safe?
Item type: Journal Article • Journal: South African Family Practice • Authors: OB Omole --- Department of Family Medicine, GA Ogunbanjo --- Department of Family Medicine and PHC,Antismoking campaigns and government legislation have resulted in a decline in smoking. However, the use of smokeless tobacco (SLT) is on the increase. Smokeless tobacco is non-smoked tobacco used either intranasally or intraorally. The increase in its use is possibly... -
Acacia plantations in Vietnam: research and knowledge application to secure a sustainable future
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: EK Sadanandan Nambiar --- CSIRO Land and Water Flagship, Black Mountain Laboratories, Australia Christopher E Harwood --- CSIRO Land and Water Flagship, Australia Nguyen Duc Kien --- Vietnamese Academy of Forest Sciences, VietnamVietnam has established 1.1 million ha of acacia plantations for wood production, managed on 5- to 10-year rotation cycles. Nearly 50% of the resource is managed by small growers holding 1–5 ha woodlots. Acacia plantations have emerged as an important... -
Price earnings ratios on the Johannesburg Stock Exchange - Are they a guide to value?
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: G D I Barr --- Department of Statistical Science and Economics, B S Kantor --- Department of Economics,This paper tests whether there is an equilibrium relationship between prices and earnings on the Johannesburg Stock Exchange (JSE). Such a relationship would hold if the JSE Index and index earnings were cointegrated, A full explanation of the technique of... -
A review of paediatric anaesthetic-related mortality, serious adverse events and critical incidents
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: L Cronjé --- Discipline of Anaesthesiology and Critical Care, School of Clinical Medicine, South AfricaAnaesthetists increasingly face questions from parents on the long-term outcomes of anaesthesia, and yet more immediate anaesthetic risks are not understood, nor explained to families. This review focused on paediatric anaesthetic-related mortality, cardiac arrest and anaesthetic-related serious adverse events and... -
Laboratory-scale evaluation of the potential of chemical containment for farmed abalone larval escapees
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: A Roux --- Department of Genetics, South Africa H Lambrechts --- Department of Animal Sciences, South Africa R Roodt-Wilding --- Department of Genetics, South AfricaThe sensitivity of abalone Haliotis midae larvae to low levels of toxicants was used to conduct a laboratoryscale experiment to determine the possibility of using chemical containment to prevent the escape of larvae from land-based culture systems, thereby reducing the... -
Health risk assessment of exposure to ambient concentrations of benzene, toluene and xylene in Pretoria West, South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Oyewale Mayowa Morakinyo --- Department of Environmental Health, Faculty of Science, South Africa Matlou Ingrid Mokgobu --- Department of Environmental Health, Faculty of Science, South Africa Murembiwa Stanley Mukhola --- Department of Environmental Health, Faculty of Science, South Africa Jacobus Christoffel Engelbrecht --- Department of Environmental Health, Faculty of Science, South AfricaBenzene, toluene and xylene (BTX) are part of the volatile organic group of pollutants and are seen as international environmental priority air pollutants that can constitute a threat to public health. This study assessed the non-carcinogenic and carcinogenic risks of... -
HIV prevention needs for men who have sex with men in Swaziland
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Bhekie Sithole --- Health Communication Capacity Collaborative, SwazilandMen who have sex with men (MSM) have a high HIV burden and also often face multiple other challenges accessing HIV services, including legal and social issues. Although Swaziland recently started responding with interventions for MSM, significant gaps still exist... -
Environmental health risks associated with e-waste exposure in Badplaas, Carolina and Elukwatini landfills, Republic of South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Fannie Machete --- Department of Environmental Science, South AfricaA recent study identified a mixed stream of waste in Badplaas, Carolina and Elukwatini landfills. However, the risks associated with the situation in the three selected towns remains unknown. Thus, this paper fills this gap of qualitatively assessing the potential... -
Institutional Risk and Firm Performance in Africa: The Moderating Role of Corruption Control
Item type: Journal Article • Journal: Africa Journal of Management • Authors: David B. Zoogah --- Williams College of Business, USAHow does institutional risk influence firm performance in Africa? While most studies focus on formal institutional risk, I argue that informal institutional risks are equally influential. Consistent with that view I use informal institutions theory and multilevel techniques to analyze... -
Environmental health risks associated with indiscriminate dumping in Lekwa Local Municipality
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Isaiah Dladla --- , South Africa Machete Machete --- , South Africa Karabo Shale --- , South AfricaThis paper presents the environmental health risks associated with indiscriminate dumping of solid waste in Lekwa Local Municipality. Structured observations were used to collect data from the identified waste dumping spots. The primary data collected involved the characterization of waste... -
Risk assessment of polycyclic aromatic hydrocarbons in the sediments of the Ekulu River in Enugu State in Nigeria
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Uzochukwu C Ugochukwu --- , Nigeria Onyechi H Onuora --- , Nigeria Leonard Kurumeh --- , Nigeria Uchenna I Mbakwe --- , Nigeria Obiageli J Okolo --- , Nigeria Amaka L Onuorah --- , NigeriaThe human health and ecological risks resulting from exposure to polycyclic aromatic hydrocarbons (PAHs) in the Ekulu River sediments were estimated in this study. The Ekulu River receives pollutants potentially containing polycyclic aromatic hydrocarbons (PAHs) from runoff from automotive workshops... -
Adherence to safety practices and risks associated with toxic chemicals in the research and postgraduate laboratories at Sefako Makgatho Health Sciences University, Pretoria, South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Liziwe Lizbeth Mugivhisa --- , South Africa Khanyi Baloyi --- , South Africa Joshua Oluwole Olowoyo --- , South AfricaThe study investigated the knowledge of postgraduate students in the Biology, Chemistry and Biochemistry departments regarding safety practices, protective measures and risks associated with toxic chemicals in the postgraduate and research laboratories. The study was exploratory and was conducted through... -
Difficult choices: Infant feeding experiences of HIV-positive mothers in northern Tanzania
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Sebalda Charles Leshabari --- Muhimbili University College of Health Sciences, Astrid Blystad --- University of Bergen, Karen Marie Moland --- Bergen University College,Infant feeding represents a great challenge in the prevention of mother-to-child transmission of HIV (pMTCT). The international guidelines informing infant feeding counselling suggest feeding methods that reduce the risk of HIV transmission, and discourage mixed feeding (combining breastfeeding with other... -
Prevalence and mitigation strategies of HIV/AIDS infection risks in Namibian tertiary education institutional hostels
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Roderick F. Zimba --- , Namibia Gilbert N. Likando --- , NamibiaThe purpose of this study was to investigate risk factors that could promote HIV infection amongst adolescents and young adults living in tertiary educational institutional hostels in Namibia. Employing structured questionnaires and focus group discussions, we sought to answer questions... -
Trends in the burden of type 2 diabetes and its risk factors in Saudi Arabia
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Jinchao Hua --- School of Health Economics and Management, Nanjing University of Chinese Medicine, China Binfang Huang --- School of Health Economics and Management, Nanjing University of Chinese Medicine, China ShanShan Liu --- School of Health Economics and Management, Nanjing University of Chinese Medicine, China Zhonghe Sun --- Nanjing First Hospital, Nanjing Medical University, China
