The Nelson Mandela African Institution of Science and Technology: Recent submissions
Now showing items 121-140 of 2535
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Valorization potentials of phosphate tailings at Minjingu mines in Northern Tanzania
(The Southern African Institute of Mining and Metallurgy, 2024-07)Sedimentary and igneous rocks are the two primary sources of phosphate that are mined and beneficiated to fertilizer. During the beneficiation process, phosphate is lost into the tailings. We investigated phosphate ... -
Capacitive deionization: Capacitor and battery materials, applications and future prospects
(Elsevier, 2024-09-15)Water scarcity all over the world attracts alternative methods to purify saline water and supplement the available dwindling freshwater resources. Capacitive deionization (CDI) is hopeful to supply water to the population ... -
Fluoride contamination a silent global water crisis: A Case of Africa
(Elsevier, 2024-11-20)Fluoride contamination in drinking water poses a global health risk, affecting millions worldwide, with Africa bearing a disproportionate burden due to unique geological factors like the East African Rift Valley. High ... -
Enhancing the optoelectronic properties of blended triphenylamine-betalain based dyes through tailoring the anchoring unit: a theoretical investigation
(Taylor & Francis, 2024-11-25)A series triphenyl-betalain organic dyes featuring carboxylic acid and nitro anchoring groups CH = C(X)COOH for the A1-X dyes and -CH = C(X)NO2 for the A2-X dyes, respectively, where X = CN, CH3, CCl3 and CF3 was evaluated ... -
Process modeling and optimization of photocatalytic treatment of dye-polluted effluent using novel polyaniline/graphene oxide-Fe3O4-Ag nanocomposites
(Elsevier, 2024-12-01)This study developed a novel photocatalytic nanocomposite via in situ polymerization with 3 % blend of graphene oxide (GO), magnetite (Fe3O4) and silver nanoparticle (Ag-Nps) from AgNO3. Also, the process applied a new ... -
Enhancements of Heat Islands in the Growing Cities in Developing Countries Due to Land Use Land Cover Changes and Climate Change: A Case of Babati-Tanzania
(Scientific Research Publishing, 2024-12-09)Climate is changing no doubt, with anthropogenic activities considered as the main driver of the change. Flooding, drought and urban heat island (UHI) are some impacts of climate change (CC). Additionally, land use land ... -
The enhanced performance of NaFe2PO4(SO4)2/C electrode materials in the desalination of brackish water by capacitive deionization
(Elsevier, 2024-12-15)In this study partial substitution of phosphates in Na3Fe2(PO4)3/C (NFP/C) by sulphates to prepare Na2Fe2(PO4)2SO4 (NFP2S/C) and NaFe2PO4(SO4)2/C (NFPS/C) was carried out by dissolution-evaporation method. The idea is to ... -
Combatting toxic chemical elements pollution for Sub-Saharan Africa's ecological health
(Elsevier, 2025-02-08)With its booming mining, processing industries, agriculture, and increasing urbanization, sub-Saharan Africa experiences an alarming rise in accumulation of toxic chemical elements in all environmental matrices threatening ... -
TB or not TB? Definitive determination of species within the Mycobacterium tuberculosis complex in unprocessed sputum from adults with presumed multidrug-resistant tuberculosis
(Wiley, 2021-06-09)Objectives Differences among Mycobacterium tuberculosis complex (MTC) species may predict drug resistance or treatment success. Thus, we optimised and deployed the genotype MTBC assay (gMTBC) to identify MTC to the ... -
The extended scope of neuroimaging and prospects in brain atrophy mitigation: A systematic review
(Elsevier, 2021-03)Brain atrophy is a condition associated with a reduction of brain volume. It is a common manifestation of aging even though it occurs in some childhood conditions and carried forward to pre-senile middle age. There are ... -
Hypoglycemic Effects of Cymbopogon citratus Ethanol Leaves' Extract and Its Fractions in Alloxan-Induced Diabetic Mice 2020
(Semantic scholar, 2020-12-31)Varieties of plants, including Cymbopogon citratus, are traditionally used in controlling hyperglycemia by either stimulating insulin secretion, inhibition α- Glucosidase or α-amylase activity. This study evaluated ... -
Biological properties of extracts from locally grown banana leaves indicate their possible use for wound dressing in Arusha, Tanzania
(Embase, 2021-10-01)This study assessed the biological properties and safety profile of extracts from locally grown banana leaves in Arusha (Tanzania), to affirm their possible use for wound dressing. Screening for phytoconstituents in extracts ... -
Dengue virus transmission during non-outbreak period in Dar Es Salaam, Tanzania: a cross-sectional survey
(Springer Nature, 2024-10-29)Background Tanzania has experienced multiple dengue outbreaks between 2010 and 2019, caused by various dengue virus (DENV) strains. In 2019, there were 6917 confirmed dengue cases and 13 deaths in Tanzania. Routine diagnosis ... -
“If You Do Not Take the Medicine and Complete the Dose…It Could Cause You More Trouble”: Bringing Awareness, Local Knowledge and Experience into Antimicrobial Stewardship in Tanzania
(MDPI, 2023-01-25)Antimicrobial resistance (AMR) is a global health issue disproportionately affecting low- and middle-income countries. In Tanzania, multi-drug-resistant bacteria (MDR) are highly prevalent in clinical and community settings, ... -
Brucellosis infection dynamics in cattle and the impacts on production and reproduction in pastoral settings of Tanzania
(Academic Journals, 2022-03)Brucellosis is endemic in pastoral settings of Tanzania with significant socio-economic implications. However, comprehensive studies to establish its impacts had not been elucidated. A longitudinal study was conducted in ... -
Dust exposure and its health implications to miners in Mererani artisanal and small-scale mining industry
(Taylor & Francis, 2025-01)This study aimed to identify and quantify the total dust exposure to underground miners in Mererani, Tanzania, and its composition to generate evidence for informed decision- and policy-making. The Analytical Air Monitoring ... -
A comprehensive life cycle assessment of sisal yarn production: Unveiling sustainability and resource optimization hotspots
(Elsevier, 2025-01-19)This study presents a comprehensive life cycle assessment (LCA) of sisal yarn production, covering key phases such as cultivation, transportation, decortication, brushing, baling, and yarn making to assess the environmental ... -
Techno‐Economic Evaluation of Synthetic and Natural Antioxidants Used for Enhancing Oxidation Stability of Biodiesel
(sci, 2025-01-07)The oxidation stability of biodiesel is a critical factor affecting its storage and performance, necessitating the use of antioxidants to enhance its shelf life and reliability. Both natural and synthetic antioxidants have ... -
Effects of different lengths and doses of raw and treated sisal fibers in the cement composite material
(nature, 2025-01-10)Sisal fiber moisture sensitivity and degradation are treated by alkaline and pozzolanic methods, such as silica fume and kaolin surface coating. However, it is novel that the treatment of sisal fiber by calcined bentonite ... -
Ecological Consequences of Antibiotics Pollution in Sub-Saharan Africa: Understanding Sources, Pathways, and Potential Implications
(KeAi, 2025-01-25)In Sub-Saharan Africa (SSA), the increasing use of antibiotics in human and veterinary medicine, combined with inadequate waste and water management systems, has intensified the problem of antibiotic pollution. Untreated ...
