Browsing Research Output by Title
Now showing items 1220-1239 of 13364
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The biology of homosexuality and its implications for human rights in South Africa.
(LexisNexus, 2009) -
Biomarker responses in the freshwater shrimp Caridina nilotica as indicators of persistent pollutant exposure
(Springer, 2020)Biomarkers are applied as early warning indicators of organisms’ exposure to pollutants. The aim of this study was to utilise a multi-biomarker approach in the freshwater shrimp Caridina nilotica (Decapoda: Atyidae) as ... -
Biomarkers in tigerfish (Hydrocynus vittatus) as indicators of metal and organic pollution in ecologically sensitive subtropical rivers
(Elsevier, 2018)Studies have shown high levels of contamination of both metals and organochlorine pesticides (OCPs) in aquatic systems of the world renowned Kruger National Park, South Africa. With effects evident in top predators, ... -
Biomarkers of nutrition for development—iodine review1-4
(American Society for Nutrition, 2014)The objective of the Biomarkers of Nutrition for Development (BOND) project is to provide state-of-the-art information and service with regard to selection, use, and interpretation of biomarkers of nutrient exposure, status, ... -
Biomechanical benefits of symmetrical strengthening of hip extensors among athletes: a review
(LAM Publications Limited, 2016)There is abundant literature encouraging athletes to engage in concurrent strength training. However, little emphasis is placed on the value of biomechanics with regard to symmetrical strengthening of force-couple ... -
Biometrology guidelines for the in vivo assessment of skin surface pH in nonclinical settings
(Springer, 2017)Skin surface pH plays an important role in the maintenance of skin barrier integrity and epidermal homeostasis. In workplace environments, myriad exposures may alter the skin surface pH and influence development of skin ... -
Biometrology guidelines for the in vivo assessment of transepidermal water loss and skin hydration in nonclinical settings
(Springer, 2017)It is becoming evident that assessment of skin exposure to physical and chemical stressors in workplaces should be accompanied by the assessment of skin barrier function at the time of exposure. “Real-life” occupational ... -
Biomimetic Cu/Nitroxyl catalyst systems for selective alcohol oxidation
(MDPI, 2019)The oxidation of alcohols to the corresponding carbonyl products is an important organic transformation and the products are used in a variety of applications. The development of catalytic methods for selective alcohol ... -
Biosocial correlates of age at first sexual intercourse: the case of Grade 9 and Grade 11 pupils in the North West Province of South Africa
(Cambridge University Press, 2016)Survival analysis - specifically the actuarial life-table method and the Cox Proportional Hazards model - was used to assess Bronfenbrenner's bio-ecological model with regards to the onset of sexual intercourse in a random ... -
Biosorption of cadmium from water using surfactant impregnated eggshell
(EARET, 2018)Cadmium (Cd) is regarded as one of the most toxic elements and it causes water pollution when it exceeds the permissible limit. It is currently present in the Mooi River above these permitted levels, and must therefore ... -
Biosorption of Fe (II) from aqueous solution by brewing waste: equilibrium and kinetic studies
(Japan Society on Water Environment, 2019)The physicochemical analysis of surface water of Mooi and Vaal rivers network indicated that the concentration of iron was far above the required limit by the South Africa water regulation. In this study, brewing waste was ... -
Biosynthesis and antimicrobial activity of pseudodesmin and viscosinamide cyclic lipopeptides produced by pseudomonads associated with the cocoyam rhizosphere
(MDPI, 2020)Pseudomonas cyclic lipopeptides (CLPs) are encoded non-ribosomally by biosynthetic gene clusters (BGCs) and possess diverse biological activities. In this study, we conducted chemical structure and BGC analyses with ... -
Biosynthesis and photocatalytic properties of SnO2 nanoparticles prepared using aqueous extract of cauliflower
(Springer, 2017)This work reports the biosynthesis of Sn(OH)2 using aqueous extract of fresh cauliflower (Brassica oleracea L. var. botrytis), and the subsequent preparation of SnO2 nanoparticles at two different annealing temperatures ... -
Biosynthesis, characterization, and antimicrobial effect of silver nanoparticles obtained using Lavandula × intermedia
(SpringerSpringer, 2017)The use..... of aqueous leaf extract of Lavandula × intermedia for biosynthesis of silver nanoparticles (AgNPs) is presented. The plant extract was obtained by boiling dried leaves and using the obtained filtrate for the ... -
Biosynthesis, electrochemical, antimicrobial and antioxidant studies of silver nanoparticles mediated by talinum triangulare aqueous leaf extract
(Springer, 2017)Silver nanoparticles (AgNPs) were synthesized using leaf extract of Talinum triangulare (TT). The nanoparticles were characterised using Infra-red spectroscopy, UV-vis spectroscopy, X-ray diffraction, scanning electron ... -
Biotechnology in Agriculture: risks and opportunities for the rural poor in Semi-Arid-Tropics
(Kamla-Raj, 2016)In spite of the fact that neediness and nourishment frailty give off an impression of being developed in urban areas as urbanization continues a pace in a large portion of the developing nations, almost seventy percent of ... -
Biotransformation profiles from a cohort of chronic fatigue women in response to a hepatic detoxification challenge
(Public Library of Science, 2019)Chronic fatigue, in its various manifestations, frequently co-occur with pain, sleep disturbances and depression and is a non-communicable condition which is rapidly becoming endemic worldwide. However, it is handicapped ... -
Biotransport of metallic trace elements from marine to terrestrial ecosystems by seabirds
(Wiley, 2019)Physical systems, such as currents and winds, have traditionally been considered responsible for transporting contaminants. Although evidence is mounting that animals play a role in this process through their movements, ...