Browsing PhD Theses and Dissertations [LiSBE] by Title
Now showing items 21-40 of 92
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Colorectal cancer epidemiology in Tanzania: patterns in relation to dietary and lifestyle factors
(NM-AIST, 2019-01)Chronic non-communicable diseases are increasingly captured as contributing to morbidity and mortality in low and middle income countries. This study has designed to investigate the epidemiology of colorectal cancer and ... -
Community antibiotic usage and the characterization of antibiotic resistance among common bacterial isolates in selected rural and urban districts of the DODOMA Region, Central TANZANIA
(NM-AIST, 2023-07)Antibiotic resistance threatens the treatment of bacterial infections globally. This cross- sectional study was conducted from August 2019 to May 2021 in Dodoma. The aim was to understand the prevalence and determinants ... -
Comparative assessment of greenhouse gas fluxes and crop yields from various land use systems in Wakiso District, central Uganda
(NM-AIST, 2021-07)Land use systems, mainly, crop farming is among the leading sources of greenhouse gas emissions into the atmosphere, driving climate variability and global warming. This study aimed to compare greenhouse gas fluxes and ... -
Comparative assessment of soil phosphate status, water eutrophication, and potentially toxic metal accumulation in Usagu agro-ecosystem
(NM-AIST, 2022-08)The present study assessed (i) soil fertility, phosphate status, sorption capacity and saturation, (ii) accumulation and distribution of potentially toxic elements (PTEs) in soils and plants, and (iii) soil and surface ... -
Complementary feeding practices and the risk of exposure to aflatoxins among infants and young children in Kongwa, Tanzania
(NM-AIST, 2022-08)Aflatoxins (AFs) are secondary fungal metabolites that commonly contaminate foods like nuts and cereals and pose major public health concerns like impaired child growth, immune system suppression, liver cancer and death. ... -
A computational study on the role of solvents and conformational fluctuation of macromolecules towards drug design
(NM-AIST, 2020-04)Heat shock protein 90 (Hsp90) represents an important chemotherapeutic target in the treatment of various ailments including cancer and neurodegenerative diseases. The protein is responsible for controlling and regulating ... -
Constraints to utilization of the African nightshades and the effects of lactic acid fermentation on its nutritional and sensory qualities
(NM-AIST, 2023-08)African nightshades (ANS, Solanum nigrum complex) are among the most widely distributed and consumed indigenous vegetables in Tanzania. Several challenges hamper the utilization of ANS. This study sought to assess ... -
Cyanotoxins occurrence in drinking waters and risk of exposure to human in Ukerewe district Mwanza, Tanzania
(2020-04)There is global concern regarding the increase of cyanobacteria and cyanotoxins in freshwater and their potential effects on human health. This study was conducted to determine the occurrence of cyanotoxins and assessed ... -
Design of burner and study of combustion characteristics of pyrolysis oil from biomass
(NM-AIST, 2017-12)Conversion of biomass to fuel provides a positive contribution for fossil fuel replacements. In addressing challenges associated with the combustion of pyrolysis oil (bio-oil), this research aimed at developing a burner ... -
Designing a novel method for brain volume quantification in investigating childhood brain atrophy and its functional effects
(NM-AIST, 2023-08)Brain atrophy is a result of volume loss commonly indicated by brain parenchyma separation from calvarium on neuroimaging. The prevalence of childhood brain atrophy has not been determined globally. Despite sporadic ... -
Designing and development of multiplex rapid diagnostic test platforms for health-related point-of-care applications in the developing world
(NM-AIST, 2019-04)Accurate and timely diagnosis is usually an important step towards appropriate disease management. In resource-limited settings, healthcare workers lack proper facilities to perform vital tests, and the diagnosis of disease ... -
Detection and genetic characterization of sylvatic and outbreak African swine fever virus isolates in selected zones of Tanzania
(NM-AIST, 2022-07)This thesis is about African swine fever (ASF), a severe disease of domestic pigs that is notifiable according to OIE. Virus strains circulating in Tanzania have been changing from time to time making surveillance ... -
Developing a context specific climate smart aquaculture framework for improving food security in Tanzania
(NM-AIST, 2021-07)Aquaculture has great potential to improve global food and nutrition security. However, due to the effect of climate changes and poor fish farming practices in some countries, it favors the accumulation of chemicals ... -
Development of bio-pesticide for management of spodoptera frugiperda (j. e. smith) and other lepidoptera pests of maize in Tanzania
(NM-AIST, 2020-03)This study was conducted to evaluate the infestation levels and develop management option for a Lepidoptera namely fall armyworm (Spodoptera frugiperda J. E. Smith). The survey was carried out in three regions of northern ... -
Dietary Practices, Nutritional status, Risk of exposure to aflatoxins and Pesticide among adolescents in Boarding - high schools in Kilimanjaro, Tanzania
(NM-AIST, 2023-08)School feeding in low income countries relies mainly on cereals and legumes. Cereals are low in nutrients and its overdependence can lead to poor nutrient intake. Cereals and legumes are susceptible to aflatoxins ... -
Distribution, characterization and propagation methods for conservation and utilization of oyster nuts telfairia pedata in Tanzania
(NM-AIST, 2023-04)Oyster nut (Telfairia pedata) is a native East African climber, growing naturally or planted in association with tall trees Tanzania (including Zanzibar island), Kenya and Uganda. Plot less sampling method within different ... -
The distribution, control techniques and impact of Parthenium hysterophorus on flower visitors and soil chemical properties in Meru district, Tanzania
(2020-08)In Tanzania, the invasive plant Parthenium hysterophorus threatens natural and semi–natural environments. Little is known about how this species affects plant–pollinator interactions and soil–chemical properties. Roadside ... -
Ecological effects of selected invasive plants and their nature based management approaches
(NM-AIST, 2017-12)Biological invasions are one of the major threats to most ecosystems as they often suppress native plant species. This suppressive effect is usually costly and irreversible hence calling for effective management strategies ... -
Ecology of bulinid snail intermediate hosts and transmission of schistosoma haematobium among school aged children in Shinyanga district, Tanzania
(2020-02)This study investigated transmission of Schistosoma haematobium through longitudinal parasitological, malacological and human water contact surveys. Urine samples collected from school children were examined for S. ... -
Effects of livestock browsing and illegal harvesting on natural regeneration and ecology of balanites aegyptiaca in dinder biosphere reserve, Sudan
(NM-AIST, 2021-11)Livestock browsing, and illegal harvesting often influence natural woodlands, rangelands, and biosphere reserves. However, the resulting tree species diversity, composition, and population structure have rarely been ...