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Ritalinic acid stimulates human sperm motility and maintains vitality in vitro
(Korean Society for Sexual Medicine and Andrology, 2020)To evaluate the in vitro impact of ritalinic acid (RA), a major metabolite of methylphenidate (drug to treat attention-deficit hyperactivity disorder), on sperm motility, vitality and oxidative stress. Materials and Methods: ... -
Riverine dominance of a nearshore marine demersal food web: evidence from stable isotope and C/N ratio analysis
(National Inquiry Services Centre (NISC), 2016)The Thukela Bank, KwaZulu-Natal, supports a diverse ecosystem and South Africa’s only prawn fishery. Oceanographic studies suggest riverine input is not important for the biology of this system, whereas biological studies ... -
The road not travelled: Tracking love in Frank Anthony’s the journey: The revolutionary anguish of Comrade B
(2023)The Journey (1991) is a virtually unknown “struggle” novel by Frank Anthony (d. 1993), a senior member of the African People’s Democratic Union of Southern Africa (APDUSA), who was incarcerated on Robben Island for ... -
Road to Ghana: Nkrumah, Southern Africa and the eclipse of a decolonizing Africa
(Published by History Department, University of the Western Cape, 2011)This article interrogates the position of Accra as an ‘extra-metropolitan’ centre for southern African anti-colonial nationalists and anti-apartheid activists during the so-called ‘first wave’ of Africa’s decolonization. ... -
A robust numerical solution to a time-fractional Black–Scholes equation
(Springer Nature, 2021)Dividend paying European stock options are modeled using a time-fractional Black–Scholes (tfBS) partial differential equation (PDE). The underlying fractional stochastic dynamics explored in this work are appropriate for ... -
A robust spectral method for pricing of American put options on zero-coupon bonds
(Global-Science Press, 2018)American put options on a zero-coupon bond problem is reformulated as a linear complementarity problem of the option value and approximated by a nonlinear partial differential equation. The equation is solved by an ... -
A robust spectral method for solving Heston’s model
(Springer Verlag, 2014)In this paper, we consider the Heston’s volatility model (Heston in Rev. Financ. Stud. 6: 327–343, 1993]. We simulate this model using a combination of the spectral collocation method and the Laplace transforms method. ... -
Role analysis of the nurse/midwives in the health services in Sub-Saharan Africa.
(John Wiley & Sons, 2013)AIM : The aim of this paper is to describe the actual current roles and tasks of nurses in Sub- Saharan African health services. BACKGROUND: The current roles of nurses and midwives in the African region of the World ... -
The role and attributes of social networks in the provision of support to women after stillbirth: Experiences from Uganda
(BMC, 2021)Communities exert stigma on mothers after stillbirth despite their potential to ofer social support to the grieving family. Maternal healthcare-seeking behaviors are socially reinforced rendering a social network ... -
The role and linkages of buy-back centres in the recycling industry: Pretoria and Bloemfontein (South Africa)
(University of Johannesburg, 2012)Purpose/objectives: The aim of this paper is to get a better understanding of the role and linkages of buy-back centres (BBCs) in the recycling industry. The first objective is to analyse the institutional profile of the ... -
Role and merits of green based nanocarriers in cancer treatment
(MPDI, 2021)The use of nanocarriers for biomedical applications has been gaining interests from researchers worldwide for the delivery of therapeutics in a controlled manner. These “smart” vehicles enhance the dissolution and the ... -
The role of 'hidden' community volunteers in community-based health service delivery platforms: examples from sub-Saharan Africa
(Co-Action Publishing, 2015)Community-based research on child survival in sub-Saharan Africa has focussed on the increased provision of curative health services by a formalised cadre of lay community health workers (CHWs), but we have identified a ... -
The role of blended learning in clinical education: A systematic review
(Association for Medical Education in Europe, 2012)BACKGROUND: Developing practice knowledge in healthcare is a complex process that is difficult to teach. Clinical education exposes students to authentic learning situations, but students also need epistemological access ... -
Role of community health workers in type 2 diabetes mellitus self-management: A scoping review
(PlOS ONE, 2018)Globally the number of people with Type 2 diabetes mellitus (T2DM) has risen significantly over the last few decades. Aligned to this is a growing use of community health workers (CHWs) to deliver T2DM self-management ... -
Role of community health workers in type 2 diabetes mellitus self-management: A scoping review
(PLOS, 2018)Background: Globally the number of people with Type 2 diabetes mellitus (T2DM) has risen significantly over the last few decades. Aligned to this is a growing use of community health workers (CHWs) to deliver T2DM ... -
The role of constitution making and institution building in furthering peace, justice and development: South Africa’s democratic transition
(Oxford University Press, 2010)The international community accepts that peace, justice and development are indivisible properties of human freedom and thus wants a more coordinated approach to post conflict recovery. Today, transitions to democracy are ... -
The role of culture in the adoption of mobile applications for the self‑management of diabetes in low resourced urban communities
(Springer, 2022)Diabetes mellitus has been documented as a global health problem with a high mortality rate. In the current digital age, the use of technology to overcome such health problems in pursuance of Sustainable Development Goal ... -
Role of cytocentrifugation combined with nuclear fast picroindigocarmine staining in detecting cryptozoospermia in men diagnosed with azoospermia
(Seoul: Korean Society for Sexual Medicine and Andrology, 2022)Azoospermia is defined as the absence of spermatozoa in the pellet of a centrifuged semen sample. In fact, when a basic semen analysis fails to detect sperm in the ejaculate, there is still the possibility of detecting ... -
The Role of Cytoskeletal Proteins in the Formation of a Functional In Vitro Blood-Brain Barrier Model
(MDPI, 2022)The brain capillary endothelium is highly regulatory, maintaining the chemical stability of the brain’s microenvironment. The role of cytoskeletal proteins in tethering nanotubules (TENTs) during barrier-genesis was ... -
Role of development communication in fostering social change: evidence from Lesotho
(KRE Publishers, 2013)A number of programmes have been implemented in the field of development communication with the specific aim of promoting social change among communities. Series of studies have also illustrated the positive effects of ...
