http://hdl.handle.net/123456789/10 2026-04-23T21:00:59Z 2026-04-23T21:00:59Z Adazabra, A. N. http://hdl.handle.net/123456789/3784 2022-10-17T11:35:50Z 2006-01-01T00:00:00Z

Title: THE APPLICATION OF NISLE UNIFIED FORMULATION TO THE k0 — NAA STANDARDIZATION METHOD Authors: Adazabra, A. N. Abstract: Current formulations of the well established ko- NAA standardization method are limited mainly by the "1/v" or "non — 1/v" (n, y) reactions nuclide status. Therefore, Nisle unified formulation, which overcomes some of these limitations, was investigated at GHARR — 1 for the simplified and effective utilization of the ko— NAA standardization method. By making critical assumptions to the neutron flux spectrum and using the neutron monitoring standards (Au, Zr, Lu etc), the Nisle neutron flux parameters (T„, F1) were theoretically calculated and experimentally determined for both inner (No.2) and outer (No.7) irradiation sites of GHARR — 1. Nisle F1factor was found to be 0.0080 at 27.65°C of neutron temperature (To) for the inner irradiation site. Also 0.0030 of Nisle F1factor at 20.74°C of Tnwere determined for the outer irradiation site. These values were then used to carefully characterize the neutron flux spectrum of GHARR — 1 for the adoption of Nisle unified formulation to the ko — NAA standardization method. The Nisle neutron flux parameters were then validated by using them to quantify a biological Standard Reference Sample (NIST 1547 Peach Leaves) for fourteen (14) different elements and a geological Standard Reference Sample (NIST 1646a Estuarine Sediment) for thirteen (13) different elements. The measured mean concentrations (.1.g/g) were found to be in good agreement with the certified values; generally within ±10%. Description: MASTER OF PHILOSOPHY IN APPLIED NUCLEAR PHYSICS

2006-01-01T00:00:00Z Ntim, N. S. http://hdl.handle.net/123456789/3574 2022-05-24T13:06:18Z 2021-01-01T00:00:00Z

Title: HOUSEHOLD FOOD INSECURITY AND SOCIODEMOGRAPHIC DETERMINANTS OF MALNUTRITION AMONG CHILDREN (6-59 MONTHS OLD) IN TAMALE SOUTH IN THE NORTHERN REGION OF GHANA Authors: Ntim, N. S. Abstract: Food insecurity is a detrimental household shock that forces a subpar redistribution of household resources affecting the frequency of dietary intake, adequacy, and monotony of diet as well psychosocial apprehension of the situation. Children 6 – 59 months are among the worst affected in such situations given their non-resilience relative to other members of the household. The objective of the study was to assess the contributions of sociodemographic characteristics and the level of household food insecurity to nutritional status of children under 5 years in Tamale south. The study adopted an analytical cross-sectional design through which 240 mother-child pairs were assessed. These participants were selected through a 3-multi-stage approach. Data were collected using a structured questionnaire containing sections on demographic characteristics, Household Food Insecurity Access Scale (HFIAS), and child anthropometry. The results showed that aregivers were mostly mothers who were predominantly married and native Dagomba with little formal education and earn less than GHC200.00. The prevalence of moderate and severe wasting was 7.1% and 0.4%, respectively. Moderate and severe stunting was 27.5% and 1.7%, respectively, while 10.4% were moderately underweight and 0.4% were severely underweight. Household food insecurity (total HFIAS) was significantly associated with higher odds of acute malnutrition in both unadjusted [OR=1.29, 95% CI: 1.05-1.60, p= .018] and adjusted binary logistics regression results [OR=1.34, 95% CI: 1.07-1.68] but no significant influence on chronic malnutrition. Also, household size (increased) and age of the child (6 – 23 months vs 24-59 months) had higher odds of susceptibility for chronic malnutrition. In conclusion, food insecurity predicts acute child malnutrition and larger households predispose children to perpetual food shortages that spell long-term malnutrition that renders 6 – 23 months old children most vulnerable. Social protection and economic empowerment interventions should be integrated with health-based family planning promotion for holistic household improvement. Description: MASTER OF PUBLIC HEALTH

2021-01-01T00:00:00Z Suleman, D. http://hdl.handle.net/123456789/3140 2021-06-29T12:14:44Z 2016-01-01T00:00:00Z

Title: GROUNDWATER RECHARGE AND HYDROCHEMICAL STUDIES AT ATANKWIDI CATCHMENT Authors: Suleman, D. Abstract: The rate of groundwater recharge and the processes that affect groundwater quality at the Atankwidi Catchment were investigated in this study. The rate of recharge was estimated using Water Balance Method (WBM) and Chloride Mass Balance (CMB) method and compared. The rate of recharge by the WBM was 6% whiles point recharge by CMB method averaged 5.7% and ranged from 1.6 to 16% of mean annual rainfall. Hydrochemical analysis of groundwater showed varied concentrations of cations and anions in the order Na+ > Ca2+> Mg2+> K+ and HCO3 - >Cl- > SO4 2- > NO3 - respectively. Geochemical assessment of major ions using bi-plots suggested that, the occurrence of these ions in groundwater were controlled by mainly dissolution of silicate minerals and ion exchange reactions. This was supported by principal component analysis (PCA) of major ions and Gibbs diagram which suggested that the groundwater quality in the Atankwidi Catchment was mainly controlled by rock water interactions and to some lesser extent anthropogenic activities probably through application of both organic and inorganic fertilisers. Hierarchical cluster analysis of the major ions classified the groundwater into three groups. The groups showed different degree of rock water interactions. The major distinguishing factor among the groups was the total dissolved solids which generally increased from group one to group three. Piper diagram also classified the groundwater into three main hydrochemicalfacies in the order of Na-Ca-HCO3, Na-Ca-Mg-HCO3 and Na-HCO3. The occurrence of these hydrochemicalfacies supported the PCA and Gibbs diagram. The concentrations of elements such as As, Cd, Co, Cr, Cu, Fe, Mn, Ni, Zn and Pb were generally within the WHO guidelines for drinking-water. Groundwater quality was also found to be suitable for drinking based on the water quality index. The assessment of groundwater quality based on salinity index, United States Salinit Laboratory (USSL) diagram, sodium percentage and Wilcox diagram showed that groundwater from the Atankwidi Catchment was suitable for irrigation on wide range of soils. However, problems associated with magnesium hazard and residual sodium carbonate is likely to limit its use. Description: MASTER OF PHILOSOPHY IN APPLIED CHEMISTRY

2016-01-01T00:00:00Z Forkor, K. http://hdl.handle.net/123456789/2965 2021-03-18T09:12:54Z 2020-01-01T00:00:00Z

Title: CONTRIBUTIONS AND CHALLENGES OF COMMUNITY-BASED HEALTH PLANNING AND SERVICES (CHPS) IN PROMOTING HEALTH SERVICE DELIVERY IN THE SISSALA EAST MUNICIPALITY Authors: Forkor, K. Abstract: Since the declaration of Alma Ata in 1978, health delivery systems have improved especially in the rural areas in Ghana and the Sissala East Municipality in particular. With the implementation of the Community-based Health Planning and Services (CHPS) concept most rural areas are now accessing modern health care, this they do bring some challenges. The study therefore sought to examine the contributions and challenges of CHPS in the Sissala East Municipality. In conducting the study, descriptive cross sectional was adopted as the study design. Mix methods were also used and the main tools for the study were survey questionnaire and key informant interview guide. A multistage sampling technique was used to arrive at study subjects. An SPSS software was also used to perform univariate, bivariate and logistic regression analysis. The study revealed that, with the contributions of CHPS, 44%, 59.3%, 70.3% and 61.2% were satisfied with the general contribution of CHPS health service provision, antenatal care, postnatal and referral services, respectively. In a logistics regression analysis, service fees charged, 24hour service availability, health worker attitude and medicine availability were significant predictors of general satisfaction of households on CHPS service delivery. In conclusion, the study found most respondents to be satisfied or very satisfied with the general contribution of CHPS in health service delivery, and lack of essential medicines regarded by majority as a challenge for households in accessing CHPS services. It is recommended that Ghana Health Service could consider regular stocking of CHPS facilities with essential medicines to help meet the needs and demands of communities. Description: MASTER OF PUBLIC HEALTH

2020-01-01T00:00:00Z