The occurrence and distribution of mercury (Hg) and other co-occurring heavy metals in the mining towns of Berg Aukas and Tsumeb in northern Namibia were studied Different forms of Hg and other heavy metals were characterized ...
In times of fossil fuel shortage, increasing crude oil prices, as well as rejection of conventional energy sources (e.g. coal or nuclear power plants), sustainable energy forms become more and more the focus of attention. ...
Nghinaunye, Teopolina(University of Namibia, 2019)
Medicinal plants are a rich source of phytochemicals, and are used traditionally for treatment of many ailments, and thus are of great ethnomedicinal importance. This study presents work on phytochemical analysis, in vitro ...
Tephrosia lupinifolia is used traditionally for the treatment of malaria, diarrhea, toothache and tuberculosis. Two flavonoids, lupinifolin and lupinifolinol were previously isolated from the hexane root extract of T. ...
Natural organic matter (NOM) is a generic term for a mixture of organic, slightly water-soluble components found in soil, sediment and natural waters, which represents severe challenges for the process control in water ...
Shikangala, Ingrid Panduleni(University of Namibia, 2020)
In 1991, Michael Grätzel and co-workers developed a new photovoltaic cell known as
Dye Sensitized solar cells (DSSCs); these photovoltaic semiconductor devices convert
solar radiation directly into electricity [1]. ...
To study the optical and photocatalytic properties of zinc oxide (ZnO or zincite), thin films doped with metallic silver-nanoparticles (Ag-NPs), with various amounts of Ag (20 mol% ≤ n ≤ 80 mol%), were fabricated on a ...
Oshikundu/Ontaku is a nonalcoholic, acidic, opaque fermented beverage. It is comprised of pearl millet (Pennisetum glaucum (L.) R. Br) meal/flour, commonly known as mahangu, malts of pearl millet or sorghum (Sorghum bicolour ...
Endjala, Paulina Tuulikefo(University of Namibia, 2019)
Dye-Sensitized Solar Cells (DSSCs) are promising third-generation photovoltaic devices that offer the conversion of light energy into electricity at a lower cost. At the heart of this device is a sensitizer (dye) adsorbed ...
Thomas, Fillipus Haulofu(University of Namibia, 2019)
Gold extraction from different type of ores is largely driven by elemental compositions and gold particle size and distribution. Another major factor that contribute to inaccurate gold analysis/ estimation is the nugget ...
The objective of this research was to discover new drug leads from Namibian marine algae. Plocamium extracts were screened and their phytochemical contents were quantified. Both the antioxidant activity and the antimicrobial ...
Amuanyena, Marta Ombili Ndakola(University of Namibia, 2019)
Access to clean and safe water for everyday use is needed for a healthy society. Water treatment and recovery of precious metals is a serious challenge particularly for developing countries since the current technologies ...
In order to investigate the interaction mechanism between Cadmium selenide (CdSe) quantum dots (QDs) and Moringa oleifera seeds coagulant protein (MOCP), CdSe QDs with hexagonal phase and crystalline size of 3.1-8.1 nm ...
Tephrosia lupinifolia is used traditionally for the treatment of malaria, diarrhea, toothache and tuberculosis. Two flavonoids, lupinifolin and lupinifolinol were previously isolated from the hexane root extract of T. ...
Musere, Paidamoyo Sharon Fekilah(University of Namibia, 2019)
Metal nanoparticles are endowed with optical, electrical physical and chemical properties and have become attractive materials for commercialization applications in optical spectroscopies, electrical devices and catalytic ...
Joseph, Moses Tuhafeni(University of Namibia, 2019)
Titanium Oxide (TiO2) as a photocatalyst produces free radicals upon receiving light energy; thus, it possesses antibacterial properties. The antibacterial property of silver-nanoparticles-doped TiO2 photocatalysts ...
Titanium dioxide or titania (TiO2) being one of the most promising semiconductors for many photoelectrochemical applications, its utilization remains typically confined to ultraviolet (UV) light absorption because of its ...
The primary target for atherosclerosis associated cardiovascular (AACV) risk prediction and treatment assessment is the lipid profile fraction of low density lipoprotein cholesterol (LDLC). The routinely used Friedewald ...
The validation of traditional medicines involves the isolation and characterization of bioactive compounds and the subsequent evaluation of their safety and efficacy. Traditionally used medicinal plants shortlisted for ...
Maguraushe, Kadzashe Arnold(University of Namibia, 2017)
Gomphocarpus fruticosus is a wild plant that belongs to the Asclepiadaceae family and has many traditional uses. The plant has demonstrated by this study a significant level of microbial and phytochemical activity; the ...
Namate, Taonga Moffat(University of Namibia, 2017)
Plant species in the genus Helichrysum, are widely used in Southern African traditional medicine. Antibacterial and antifungal activities were reported for most of the Helichrysum species including H. argyrosphaerum. As a ...
A solid phase extraction (SPE) method for the gas chromatography analysis of pesticides was developed, optimised and validated for the simultaneous determination of pesticides from the Gammams water treatment plant (GWTP) ...
Shindume, Filemon Nghitilanganye(University of Namibia, 2017)
Pearl millet is a staple food and fodder crop of marginal areas of sub-Saharan Africa, South Asia and the Americas. Although pearl millet is stable food for 70 % of Namibian population, its productivity is very low (low ...
Natural products present in medicinal plants are an important source of therapeutic agents and many research groups are currently screening different biological activities of plants. This study aimed to investigate the ...
Cheikhyoussef, Natascha(University of Namibia, 2018)
Namibia has a rich biodiversity of plant species of which a great variety is used for food, cosmetics and medicinal applications. Seed oil production from indigenous sources has economic importance for Namibia and is an ...
Nuumbembe, Wilhelm P.(University of Namibia, 2017)
Silica sand is a main component in the synthesis of potassium silicates that are commonly used as binding, coating, and adhesives agents. Physical and chemical properties of the sand particles such as grain size, mineralogical ...
Nawinda, Teopolina N.(University of Namibia, 2016)
Albizia anthelmintica belongs to the family Fabaceae. The plant is traditionally used to treat symptoms of microbial infections in both humans and animals. The present study was designed to evaluate the phytochemical ...
Nutritional levels can have profound impact on individuals living with HIV/AIDS and potentially hinder the effectiveness of antiretroviral therapy (ART). But sufficient data is lacking to establish a strong relationship ...
Sheehama, Jacobina T.(University of Namibia, 2017)
Commiphora wildii (Omumbiri), a member of the Burseraceae family, is the most important resin‒producing plant used by Himba women for perfume. The Opuwo Processing Facility (OPF) is currently producing Omumbiri essential ...
The synthesis, characterization, spectroscopic and biological evaluation of 2-benzoylpyridine-s-methyldithiocarbazate (HL1) and di-2-pyradylketone-s-methyldithiocarbazate (HL2) with selected metal ions of copper (II), zinc ...