Browsing Faculty of Natural Science by Author "Henkel, Ralf"
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Effect of cissampelos capensis rhizome extract on human sperm capacitation and acrosome reaction
Shalaweh, Salem (2013)Cissampelos capensis, is commonly known by the Afrikaans name ‟dawidjies” or ‟dawidjieswortel”. C. capensis is the most important and best known medicinal plant of the family Menispermaceae used by the Khoisan and other ... -
Effect of Eurycoma longifolia (Tongkat Ali) on the prostate cancer cell line LNCaP
Abouhamraa, Hamza (2013)Eurycoma Longfolia Jack, also known as Tongkat Ali (TA) is a tropical plant belonging to the family of Simaroubaceae is widely distributed in South East Asian countries. The extracts of TA have been proven to have ... -
The effect of insulin, leptin and inflammatory cytokines on reproductive health and hypogonadism in males diagnosed with the metabolic syndrome
Leisegang, Kristian (2013)The metabolic syndrome (MetS) is a collection of various metabolic, hormonal and immunological risk factors that cluster together, closely related to poorly understood phenomena such a hyperinsulinaemia (insulin resistance), ... -
The impact of storage time and seasonal harvesting on biomarker levels of lessertia frutescens
Campbell, James (University of Western Cape, 2012)In South Africa, it is estimated that approximately 70% of the population frequently make use of traditional medicinal plants for their health care needs. The use of Lessertia frutescens by the various cultural groups in ... -
Investigating hypoglycaemic effects and safety of the herbal product – jt2016 in vivo study
Henkel, Ralf (University of the Western Cape, 2021)Diabetes has since been a global epidemic; an estimated 5.0 million deaths of diabetes in the world have been recorded; one in 11 adults have diabetes (415 million); and by 2040, one adult in 10 (642 million) will have ... -
Investigations on the in vitro effects of aqueous Eurycoma longifolia Jack extract on male reproductive functions
Erasmus, Nicolete (University of Western Cape, 2012)Introduction: Eurycoma longifolia (Tongkat Ali; TA) is a Malaysian shrub used to treat various illnesses including male infertility. Considering that TA is also used to improve male fertility and no report regarding ... -
Optimizing embryo culture conditions and spent culture media analysis as predictors of embryo quality and pregnancy
Kaskar, Khalied (University of the Western Cape, 2021)The aim of this thesis is first, to evaluate various culture conditions to improve embryo development, and secondly, to analyze spent culture media for any biomarkers that may be predictive of embryo health. Single-step ... -
The relationship between male genital tract infection, oxidative status in the ejaculate, and apoptotic markers in human spermatozoa
Mupfiga, Cleyson (2009)Aim: Leukocytes are the major source of reactive oxygen species (ROS) in the ejaculate and contribute to up to 30% of male infertility. ROS have been associated with markers of apoptosis such as sperm DNA damage, ... -
Sperm mitochondria: species specificity and relationships to sperm morphometric features and sperm function in selected mammalian species
Maree, Liana (University of the Western Cape, 2011)Numerous studies on mammalian spermatozoa have reported large variations in the dimensions of the main sperm structural components, namely the head, midpiece and flagellum. These variations in sperm architecture are believed ... -
Typha capensis—An electron rich resource for the synthesis of phytochemical-encapsulated gold nanoparticles through green nanotechnology
Pearce, Keenau Mark (University of the Western Cape, 2020)Typha capensis (T. capensis), commonly known as bulrush, is a medicinal plant found growing in the wetland areas of South Africa. In traditional medicine, rhizome decoctions of T. capensis are used to treat a wide variety ...