The Nelson Mandela African Institution of Science and Technology: Recent submissions
Now showing items 201-220 of 2463
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Optimization of arsenic(III) and mercury(II) removal from non-competitive and competitive sorption systems onto activated carbon
(NM-AIST, 2024-07)Heavy metals exist in the ecosystem both naturally and due to anthropogenic activities and as recalcitrant pollutants; they are non-biodegradable and cause acute and chronic diseases to human beings and many lifeforms. ... -
Design of an evaporative cooling system integrated with ultraviolet light for preservation of fruits and vegetables at variable tropical weather conditions: a case study of Arusha, Tanzania
(NM-AIST, 2024-07)Problems with fruits and vegetables spoiling after harvest are particularly acute in tropical regions. This research presents the design, construction, and performance assessment of a solar-powered evaporative cooling ... -
More than pollutant removal: constructed wetlands and waste stabilization ponds as biodiversity hotspots and community assets in Tanzania
(NM-AIST, 2024-05)Waste stabilization ponds (WSPs) and constructed wetlands (CWs) are important ecotechnologies for wastewater treatment. Despite their potential and wastewater management being challenging in urban and peri-urban areas ... -
Solvothermal liquefaction of orange peels and catalytic upgrading of biocrude into transportation fuel over a hybrid catalyst
(NM-AIST, 2024-08)The efficient valorization of biomass for energy-derived biocrudes is essential for effective waste management. However, the production of biocrudes with high energy and reduced oxygen contents during the liquefaction ... -
Naturally occurring metal oxides from rocks as capacitive deionization electrode materials for antibacterial activities
(NM-AIST, 2024-01)The availability of clean and safe drinking water remains a prominent challenge in most parts of the world. Drinking water should be free from harmful microorganisms, salt as well as other organic and inorganic ... -
Influence of rice husk derived nano-silica on performance, emissions, and combustion characteristics of diesel engine fueled with baobab biodiesel
(NM-AIST, 2024-08)The increasing number of on-road automobiles as a result of an exponential increase in population and lifestyle places enormous strain on depleted fossil petroleum fuel, energy security, and environmental stability. ... -
The removal of arsenic from synthetic solution using a sand filter coupled with zero valent iron
(NM-AIST, 2024-07)Contamination of groundwater with arsenic (As) poses a serious risk to public health, demanding the development of effective remediation technology. This study investigated the use of sand filters coupled with of ... -
Effect of irrigation water cut-off position along furrows on water saving and productivity
(NM-AIST, 2024-08)Despite being widely practised technique by smallholder farmers, cut-off technique continues to register low productivity and has not been adequately investigated to improve the status quo. This study aimed to investigate ... -
Emerging pollution, antimicrobial resistance, and the applicability of biochar adsorbents: A comprehensive study in African water systems
(NM-AIST, 2024-07)The impacts of antimicrobial resistance (AMR) extend far beyond clinical settings, permeating into agriculture and the economy, precipitating dire consequences such as compromised treatment efficacy, diminished ... -
Computational and experimental performance analysis of a runner for gravitational water vortex power plant
(NM-AIST, 2024-08)Energy generation through water is one of the most economic sources of power. On the other hand, isolated and rural communities can both benefit from using micro-hydropower to power their homes. The gravitational water ... -
Genetic diversity, population structure and kinship relationships highlight the environmental influence on Uganda’s indigenous goat populations
(Frontiers, 2024-05-30)Knowledge about genetic diversity and population structure among goat populations is essential for understanding environmental adaptation and fostering efficient utilization, development, and conservation of goat breeds. ... -
Land Use/Cover Classification of Large Conservation Areas Using a Ground-Linked High-Resolution Unmanned Aerial Vehicle
(MDPI, 2024-08-22)High-resolution remote sensing platforms are crucial to map land use/cover (LULC) types. Unmanned aerial vehicle (UAV) technology has been widely used in the northern hemisphere, addressing the challenges facing low- to ... -
Genetic Diversity of Jute Mallow (Corchorus spp.) Accessions Based on ISSR Markers
(Scientific Research Publishing Inc, 2024-05-21)Jute mallow is a nutritious leafy vegetable. The leaves are rich in proteins, vitamins and essential amino acids. Molecular characterization of Jute mallow with focus on improvement of leaf yield is scarcely reported. In ... -
Pesticidal Plant Treatments Combined with Improved Soil Fertility Can Reduce Damage Caused by Fusarium Wilt (Fusarium oxysporum f.sp. phaseoli) and Bean Fly (Ophiomyia phaseoli) in Common Bean Production (Phaseolus vulgaris L.)
(MDPI, 2024-06-06)Common bean production is constrained by a multitude of biotic constraints including bean flies and Fusarium wilt in tropical and subtropical farming systems globally. As these pests and diseases attack the crop beneath ... -
A comprehensive review on the distribution of per- and poly-fluoroalkyl substances in the environment across Sub-Saharan Africa revealed significant variation in their concentrations
(Elsevier, 2024-08)Per- and polyfluoroalkyl substances (PFAS) are a group of synthetic chemicals known for their widespread use in various industrial and consumer products. They enter the food chain via contaminated water, air, and soil, ... -
Needs and contents of a customized digital tool for retention in care and medication adherence among pregnant and breastfeeding women living with HIV in Kilimanjaro
(Springer Berlin Heidelberg, 2023-08-15)Background Retention in care and adherence to medication among pregnant and breastfeeding women living with HIV (PBWLH) are crucial for preventing mother‑to‑child transmission (PMTCT) of HIV. Wide coverage of mobile phones, ... -
Knowledge and Utilisation of Lodised Salt by School Children and Food Vendors in Dar es Salaam, TanzaniaKnowledge and Utilisation of Lodised Salt by School Children and Food Vendors in Dar es Salaam, Tanzania
(EAHR, 2023-11-30)Background: Universal Salt Iodisation (USI) is globally accepted as a cost-effective strategy for controlling Iodine Deficiency Disorders (IDD). However, there is a paucity of data on the proper use of ... -
Simple method for identification of women at risk of gestational diabetes mellitus in Arusha urban, Tanzania
(BioMed Central, 2022-07-06)Background: Screening for gestational diabetes mellitus in Tanzania is challenged by limited resources. Therefore, this study aimed to develop a simple method for identification of women at risk of gestational diabetes ... -
Impact of climate change on groundwater recharge in the lake Manyara catchment, Tanzania
(Elsevier, 2021-12-15)Groundwater account for about 60 to 80% of water supply to the population of Tanzania's semi-arid regions for domestic and agriculture uses. Despite the importance of groundwater resource in semi-arid areas, limited ... -
Taenia multiceps in Northern Tanzania: An Important but Preventable Disease Problem in Pastoral and Agropastoral Farming Systems
(MDPI, 2022-08-26)Coenurosis due to Taenia multiceps has emerged as a major concern to small ruminant- owning communities in northern Tanzania. Although a high incidence of disease has been reported, gaps still remain in our knowledge of ...
