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Learning From Changes Concurrent With Implementing A Complex And Dynamic Intervention To Improve Urban Maternal And Perinatal Health In Dar Es Salaam, Tanzania, 2011-2019, Brenda Sequeira Dmello, Ziada Sellah, Grace Magembe, Natasha Housseine, Nanna Maaløe, Thomas Van Den Akker, Dan W. Meyrowitsch, Timothy Mushi, Mangalu Masweko, Hussein Kidanto

Obstetrics and Gynaecology, East Africa

Introduction: Rapid urbanisation in Dar es Salaam, the main commercial hub in Tanzania, has resulted in congested health facilities, poor quality care, and unacceptably high facility-based maternal and perinatal mortality. Using a participatory approach, the Dar es Salaam regional government in partnership with a non-governmental organisation, Comprehensive Community Based Rehabilitation in Tanzania, implemented a complex, dynamic intervention to improve the quality of care and survival during pregnancy and childbirth. The intervention was rolled out in 22 public health facilities, accounting for 60% of the city’s facility births.

Methods: Multiple intervention components addressed gaps across the maternal and perinatal continuum of …

Covid-19 And Teleneurology In Sub-Saharan Africa: Leveraging The Current Exigency, Philip Adebayo, Olusegun John Oluwole, Funmilola Tolulope

Internal Medicine, East Africa

Africa has over 1.3 billion inhabitants, with over 60% of this population residing in rural areas that have poor access to medical experts. Despite having a ridiculously huge, underserved population, very few African countries currently have any form of sustained and organized telemedicine practice, and even fewer have dedicated tele-neurology services. The ongoing COVID-19 pandemic has proved to be one of the most significant disruptors of vital sectors of human endeavor in modern times. In the healthcare sector, there is an increasing advocacy to deliver non-urgent care via telemedicine. This paper examined the current state of tele-neurology practice and infrastructural …

Genomic Characterization Of Fluoroquinolone-Resistant Thermophilic Campylobacter Strains Isolated From Layer Chicken Feces In Gangneung, South Korea By Whole-Genome Sequencing, Gahamanyi Noel, Dae-Geun Song, Kye-Yoon Yoon, Leonard E. G. Mboera, Mecky I. Matee, Dieudonné Mutangana, Erick V. G Komba, Cheol-Ho Pan, Raghavendra G. Amachawadi

All Rsif Scholars' Publications

Thermophilic Campylobacter species of poultry origin have been associated with up to 80% of human campylobacteriosis cases. Layer chickens have received less attention as possible reservoirs of Campylobacter species. Initially, the minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of two archived Campylobacter isolates (Campylobacter jejuni strain 200605 and Campylobacter coli strain 200606) from layer chickens to five antimicrobials (ciprofloxacin, nalidixic acid, erythromycin, tetracycline, and gentamicin) were determined using broth microdilution while the presence of selected antimicrobial resistance genes was performed by polymerase chain reaction (PCR) using specific primers. Whole-genome sequencing (WGS) was performed by the Illumina HiSeq X …

Molecular Detection Of Campylobacter Species From Human And Cattle Faecal Samples In Kilosa District, Tanzania, Gahamanyi Noel, Leonard E.G Mboera, Mecky I. Matee, Dieudonné Mutangana, Raghavendra G. Amachawadi, Kye-Yoon Yoon, Mr. Humphrey, Cheol-Ho Pan, Erick V.G Komba

All Rsif Scholars' Publications

A growing number of Campylobacter species other than C. jejuni and C. coli have been considered as emerging human and animal pathogens but their contribution to human gastroenteritis is poorly documented. This study aimed at detecting Campylobacter species from human and cattle faecal samples in Kilosa District, Tanzania using molecular techniques without culture. Seventy (70) faecal samples were collected from five diarrheic and 65 non-diarrheic human patients attending Kilosa District Hospital in Tanzania from July to October 2019. During the same period, 30 faecal samples were also collected from healthy cattle in the same district. Genus and species identification of …

Antimicrobial Resistance Profiles, Virulence Genes, And Genetic Diversity Of Thermophilic Campylobacter Species Isolated From A Layer Poultry Farm In Korea, Gahamanyi Noel, Dae-Geun Song, Kye-Yoon Yoon, Leonard E. G Mboera, Mecky I. Matee, Mutangana Dieudonne Dieudonne, Raghavendra G. Amachawadi, Erick Komba, Cheol-Ho Pan

All Rsif Scholars' Publications

Thermophilic Campylobacter species are among the major etiologies of bacterial enteritis globally. This study aimed at assessing the antimicrobial resistance (AMR) profiles, virulence genes, and genetic diversity of thermophilic Campylobacter species isolated from a layer poultry farm in South Korea. One hundred fifty-three chicken feces were collected from two layer poultry farms in Gangneung, South Korea. The Campylobacter species were isolated by cultural techniques, while PCR and sequencing were used for species confirmation. Antimicrobial susceptibility testing for six antimicrobials [ciprofloxacin (CIP), nalidixic acid (NAL), sitafloxacin (SIT), erythromycin (ERY), tetracycline (TET), and gentamicin (GEN)] was carried out by broth microdilution. Three …

An Assessment Of The Epidemiology And Socioeconomic Impact Of The 2019 African Swine Fever Outbreak In Ngara District, Western Tanzania, Jean Nepomuscene Hakizimana, C.C Kivumbi, C Yona, Gerald M. Misinzo

All Rsif Scholars' Publications

African swine fever (ASF) is a contagious viral transboundary animal disease affecting domestic pigs caused by ASF virus (ASFV). This study was conducted in order to determine the genetic characteristics, risk factors and socioeconomic impact of an ASF outbreak in 2019 in Ngara, western Tanzania. Tissue samples from dead domestic pigs with clinical picture suggestive of ASF infection were collected for ASF confirmation and genetic characterization of ASFV. Data on the risk factors and socioeconomic impact associated with the ASF outbreak were collected from consenting farmers using a semi-structured questionnaire. Disease confirmation was done by detection of genomic ASFV DNA …

The Antithesis Of ‘Business As Usual’: Youth, Class, And Volunteer Organizations In Dar Es Salaam, Tanzania, Chelsea Cutright

Theses and Dissertations--Anthropology

Youth in Tanzania make up the majority of the current growing population and therefore are increasingly a focus of local and international development concern, specifically as the rates of urban growth and unemployment are also increasing. This research builds upon existing anthropological literature, which largely addresses contemporary and urban African youths as “problems” in dire need of governmental intervention and international solutions. Through explorations of the ways in which Tanzanian youth are actively and creatively working to improve their own futures, utilizing their own agency to create opportunities, and solving their own problems in the absence of successful external intercessions, …

Promoting, Regulating, And Enforcing Human Rights Through International Investment Law And Isds, Crina Baltag & Ylli Dautaj

Fordham International Law Journal

No abstract provided.

High Prevalence Of Pre-Existing Serological Cross-Reactivity Against Severe Acute Respiratory Syndrome Coronavirus-2 (Sars- Cov-2) In Sub-Saharan Africa, For Yue Tso, Salum Lidenge, Phoebe B. Peña, Ashley A. Clegg, John R. Ngowi, Julius Mwaiselage, Owen Ngalamika, Peter Julius, John T. West, Charles Wood

Nebraska Center for Virology: Faculty Publications

Objective: Significant morbidity and mortality have occurred in the USA, Europe, and Asia due to severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), whereas the numbers of infections and deaths in sub-Saharan Africa (SSA) have remained comparatively low. It has been hypothesized that exposure of the population in SSA to other coronaviruses prior to the COVID-19 pandemic resulted in some degree of cross-protection against SARS-CoV-2 infection and pathogenesis. We evaluated this hypothesis by comparing SARS-CoV-2 cross-reactive antibodies in pre-pandemic plasma samples collected from SSA and the USA.

Method: Pre-COVID-19 pandemic plasma samples from SSA and the USA were collected and tested by …

Antiretroviral Therapy For Hiv-Associated Cutaneous Kaposi’S Sarcoma: Clinical, Hiv-Related, And Sociodemographic Predictors Of Outcome, Owen Ngalamika, Sody Munsaka, Salum J. Lidenge, John T. West, Charles Wood

Nebraska Center for Virology: Faculty Publications

Kaposi’s sarcoma (KS) is an AIDS-defining malignancy that can improve or worsen with antiretroviral therapy (ART). We aimed at identifying clinical, HIV-related, and sociodemographic factors associated with either progression or nonprogression (regression or stable disease) of ART-treated HIV-associated KS in patients with limited cutaneous disease. We conducted a prospective cohort study of ART-treated HIV-associated KS cases. Clinical, HIV-related, and sociodemographic variables were collected at baseline, and patients were followed up to determine treatment outcomes. Cox regression, linear mixed effects model, and Spearman’s rank correlation were used for analysis. Half (50%) of the study participants had KS regression or stable disease, …

Open And Distance Learning Programs For Nursing And Midwifery Education In East Africa: Protocol For A Scoping Review, Kahabi Isangula, Grace Edwards, Tumbwene Mwansisya, Columba Mbekenga, Eunice Pallangyo, Ahmed Sarki, Eunice Ndirangu

School of Nursing & Midwifery, East Africa

Background: In the face of growing modernity and the coronavirus disease 2019 (COVID-19) pandemic, open and distance learning (ODL) is considered to play an important role in increasing access to education worldwide. There is a robust evidence base demonstrating its cost effectiveness in comparison with conventional class-based teaching; however, the transition to this new paradigm of learning for nursing and midwifery courses has been difficult in low-income countries. While there are notable efforts to increase internet and education access to health care professionals, not much is known about ODL for nurses and midwives in East African countries.

Objective: The objective …

Information Discovery And Scholar Networking As Modes Of Scholarly Communication: A Comparative Study, Noor Abutayeh Dr., Berta Garcia-Orosa Dr., Khaldoon M. Al_Dwairi Dr.

Library Philosophy and Practice (e-journal)

This study sought to investigate information discovery and scholar networking as modes of scholarly communication across researchers in the Arab region. An online survey was distributed in December 2020 using the Google form. The questionnaire also includes the following elements: (a) what are the researchers’ purposes of using electronic resources; (b) how do researchers look for and access scholarly material and (c) what methods of networking are mostly used for scholar connection. The findings revealed no significant differences across the groups, even when it comes to gender and respondents’ discipline, it is clear that ResearchGate is the most popular among …

Patterns Of Journals Use By Faculty At Five Diverse Universities Of Lahore, Pakistan, Abid Iqbal, Khurram Shahzad

Library Philosophy and Practice (e-journal)

Purpose:

Goals of this research were to know the usage of print and online journals by the teaching faculty members in the universities of Lahore, to explore the reasons for using print and electronic journals and to furnish the recommendations for making effective utilization of journals at the Universities of public and private sector of Pakistan.

Design/methodology/approach:

The study was conducted in four phases. Firstly, review of relevant literature was done. Secondly, tool of questionnaire was developed for data collection. The target population of this study was the all-academic faculty members of the universities of Lahore. Convenience sampling approach was …

Examining Entrepreneurship Opportunities Among Library And Information Science Professionals In Tanzania, Evans Wema

Library Philosophy and Practice (e-journal)

This paper reports on a study conducted to examine various entrepreneurship opportunities that exist among librarians and information science professionals. A survey was carried out among ongoing undergraduate LIS students in their second and third years, Master Degree students in their second year as well as LIS professionals who completed studies between 2012 and 2019, and who were working at various institutions at the time when the study was conducted. Questionnaires were distributed to a total of 20 purposively selected undergraduates and 10 postgraduate students while interviews were conducted among five LIS professionals as well as three heads of departments …

Midwives’ Strategies For Coping With Barriers To Providing Quality Maternal And Neonatal Care: A Glaserian Grounded Theory Study, Yakubu Ismaila, Sara Bayes, Sadie Geraghty

Research outputs 2014 to 2021

Background: Midwives face direct and indirect barriers in their workplaces that have negative consequences on their ability to provide quality care to women and neonates, however, they still carry on with their duties. This study aimed at investigating the coping strategies that Ghanaian midwives adopt to be able to complete their work. Methods: Glaserian Grounded theory was used in this study. Data were collected through non-participant observations and semi-structured interviews. The study participants included 29 midwives who worked in labour/birthing environments and a pharmacist, a social worker, a national Health Insurance Scheme manager and a health services manager. Findings: The …

Possibilities And Challenges Of Radio Frequency Energy Harvesting In Dar Es Salaam, Tanzania, Fredrick Isingo

Tanzania Journal of Engineering and Technology (TJET)

This paper presents investigation on the possibilities and challenges of harvesting ambient Radio Frequency Energy (RFE) at Dar es Salaam region in Tanzania. The Radio Frequency (RF) signals were measured using a Rohde and Schwarz FSC 3 spectrum analyzer observing available frequencies with their respective power. Among several RF signals received, the most powerful signals observed were; 800 MHz, 950 MHz, 2100 MHz and 2400 MHz, having average signal strengths of about-30.29 dBm,-35.94 dBm,-42.90 dBm and-30.42 dBm respectively. The power possessed within these frequencies were suitable to be harvested due to their signal strengths, an overall power average of-34.89dBm was …

Direct Predictive Speed Control Of Salient Pmsm Drives In Constant Torque And Constant Power Regimes For Electric Vehicles Applications, Francis Mwasilu

Tanzania Journal of Engineering and Technology (TJET)

A direct speed control of salient permanent magnet synchronous motor (PMSM) drives in constant torque and constant power regimes for electric vehicles applications is presented. The proposed speed control scheme is derived from model predictive control approach where both rotor speed and stator current are formulated in a single objective function that is periodically computed to attain the PMSM drive optimum switching states. The dynamic model of the PMSM intrinsically encompasses the unknown disturbance, which should be rejected for high-performance speed control especially in transient conditions. Consequently, the extended modified augmented state Kalman filter (ASKF) is incorporated in the proposed …

Effects Of Calcination Temperature Of Naturally Occurring Absorbents On Drinking Water Defluoridation, Brenda Mndolwa

Tanzania Journal of Engineering and Technology (TJET)

Currently, in Tanzania, fluoride removal from drinking water is treated mostly using the bone char method. The method has poor acceptability in some religious communities and also causes water quality deterioration in taste and odour if the bones are not properly prepared. The use of local natural adsorbents as an alternative is feasible with limitations of high levels of other impurities in treated water. Locally available gypsum, magnesite and bauxite were converted to adsorbents through calcination. The study was conducted to determine the removal efficiency, best calcination temperature and composite ratio of the three adsorbents for the removal of fluoride …

User-Centred Scalable Big Data Visualizer For Power Consumption Data In The Electrical Secondary Distribution Network, Ellen Kalinga

Tanzania Journal of Engineering and Technology (TJET)

Establishment of Smart Grids for electrical power has been practised worldwide for the purpose of bringing reliability, security, and efficient management of electrical power networks for enhancing quality service to the society. Apart from the potential aim, smart grid has been a challenge to developing countries, including Tanzania from cost and technology point of view. Due to the use of many smart equipment involved in smart grids like Advanced Metering Infrastructure (AMI) equipped with smart meters and sensors, handling and managing big data has been a challenge. Among the challenges is the issue of visualizing the Big Data due to …

Inclusive And Implementable Legal Rules For E-Commerce: A Comparative Study Of Indonesia And Vietnam, Ngoc Nguyen Thi Bich, Phan Quoc Nguyen

Indonesia Law Review

Both Vietnam and Indonesia have large populations that promise major markets for e-commerce. The two nations record high internet coverage and large numbers of social media users. Recently, the countries have been trying to support e-commerce with new legal rules. In November 2019, Indonesia’s government introduced Government Regulation No. 80 of 2019 on Trading through Electronic Systems (GR 80, 2019). GR 80 requires e-commerce businesses to obtain business licenses, report taxes, and preserve consumer protections and rights. Similarly, Vietnam has issued a number of resolutions and guidelines since its Decree on E-Commerce in 2013 (Decree No. 52/2013/NĐ-CP). While these legal …

Deconvolution Of Mono-Energetic And Multi-Lines Gamma-Ray Spectra Obtained With Nai(Tl) Scintillation Detectors Using Direct Matrix Inversion Method, Mwingereza John Kumwenda Dr

Tanzania Journal of Engineering and Technology (TJET)

Performance of a NaI(Tl) scintillation detector based on the gamma-ray spectroscopy system is not satisfactory in retaining its original peak (which is delta like function) of various gamma ray spectrum. The method of achieving precise peak for the various gamma ray was conducted by converting the observed pulse-height distribution of the NaI(Tl) detector to a true photon spectrum. This method is obtained experimentally with the help of an inverse matrix deconvolution method. The method is based on response matrix generated by the Monte Carlo simulation based on Geant4 package of mono-energy gamma-ray photon ranging from 0.050 to 2.04 MeV in …

Comparative Analysis Of Multiplicative And Additive Noise Based Automated Regularizations In Non-Linear Diffusion Image Reconstruction, Chiza Christophe

Tanzania Journal of Engineering and Technology (TJET)

Multiplicative and additive noises are often introduced in image signals during the image acquisition process and result into degradation of image features. The work done by Perona and Malik in 1990 and its modified versions revolutionized the way through which noises or speckles are removed. The Perona-Malik model requires tuning of the regularization parameter to control and prevent staircase artifacts in restored images. The current manual tuning is a challenging and time consuming practice when a long queue of images is registered for processing. Attempt to automate the regularization parameter appeared in Perona-Malik model with self-adjusting shape-defining constant. Although both …

Assessment Of The Performance Of Grinding Circuit For Buzwagi Gold Mine, Alphonce Wikedzi

Tanzania Journal of Engineering and Technology (TJET)

It had been reported by the management of Buzwagi Gold Mine (BGM) that grinding circuit was designed to produce final product size of 125 μm, which had not been achieved for a long period of time under both, low to normal (i.e. 450-600 t/h) and high (i.e. > 650 t/h) throughputs. Also, the performance behaviour of the circuit had not been reviewed after long time of operation. Hence, an evaluation study was conducted in order to recommend improvement in mine operations. The study was realized through three circuit survey campaigns and laboratory experimentations. From the surveys, size distributions and solids contents …

Fermentability Of Concentrated Sulfuric Acid Hydrolyzates From Aspenwood And Pinewood, Kando Janga

Tanzania Journal of Engineering and Technology (TJET)

The fermentability of hydrolyzates derived from two-stage concentrated sulfuric acid hydrolysis of Trembling aspen (Populus tremula) and Scots pine (Pinus sylvestris) were investigated. Three types of hydrolyzates were produced at mild, moderate and high decrystallization severity conditions. Portions of each of the original hydrolyzates were concentrated by vacuum evaporation to increase the sugar fraction to simulate industrial applications. Both sets of hydrolyzates were fermented anaerobically using Saccharomyces cerevisiae ATCC 96581. After 23 hours of fermentation, complete glucose consumption was observed for all the original hydrolyzates, with no signs of inhibition. The ethanol yields from these hydrolyzates ranged from 68% to …

Analysis Of Performance Characteristics Predicted From Several Experimental Data And Conversion Methods For Pumps As Turbine Application Using Statistical Techniques, Ombeni J. Mdee

Tanzania Journal of Engineering and Technology (TJET)

Different performance characteristics have been indicated when running centrifugal pumps in the reverse direction. The water flows from the discharge side of the pump to the suction side to run in the reverse direction and generate the mechanical rotational energy for the micro-hydropower plant. The current study evaluates the extent of variation of performance characteristics predicted by several experimental data from different pump-specific speeds and conversion methods. The performance characteristics discussed include the head, flow rate, efficiency and specific speed. The flow rate and head of a pump operating in pump mode divided with the characteristic of the pump operating …

Potential For Increased Rural Electrification Rate In Sub-Saharan Africa Using Swer Power Distribution Networks, Aviti Thadei Mushi

Tanzania Journal of Engineering and Technology (TJET)

Rural electrification rate (RER) in Africa is still low to date. Several countries in Sub-Saharan Africa have tried to address this problem using conventional single phase two-wire or three-phase three-wire systems, however at large costs due to the nature of dispersed rural load centres, low load demand, and low population density. Another solution of off-grid generation creates associated health problems. Therefore, this paper undertakes a review of a single wire earth return (SWER) network as a RER improvement solution. The paper undertakes intensive literature review to elucidate challenges and solutions to the implementation of SWER technology. Advantages of SWER technology …

Wind Power Integration And Its Impact On Power Quality-A Didactic Approach, Santos Kihwele Dr

Tanzania Journal of Engineering and Technology (TJET)

This paper presents a model of a wind power system integrated with realistic power system, with intention of using it in addressing power quality issues in relations to grid codes during steady-state operation transient-state operation i.e., presence of grid fault events. For that case, a didactic approach of the normal performance of power systems due to the connection of fixed-speed wind turbine with induction generators is used. A study of integrating wind farms will be presented, including the incidence of high inrush current due to switching capacitor banks, out-rush current and voltage sags due to nearby three phase faults. As …

Covid-19’S Impact On Climate Change Research And Institutional Resilience In Higher Education In Vermont And Tanzania, Stephanie Clement

Capstone Collection

The COVID-19 pandemic impacts all sectors of society. It is necessary to understand how higher education institutions (HEIs) react to, adapt to, and build resilience in the face of such a crisis. HEIs around the world shifted how they deliver education to their students and struggled to adapt to a changing economy. Yet, there is little information on how HEIs bolster their resilience to exogenous shocks, like the coronavirus. This study assesses how the COVID-19 crisis impacted institutional resilience and climate change research at four HEIs: the University of Vermont (UVM) and Vermont Law School (VLS) in Vermont, United States …

Library Funding And Physically Challenged Students In Nigerian Universities, Adekoya Clement Ola

Library Philosophy and Practice (e-journal)

One principal factor determining the provision of the required information resources and facilities that meet the needs of physically challenged students is funding. This study investigated library funding and physically challenged students in Nigerian universities, Descriptive survey research design was used for the study. The population of the study was 236 librarians in 17 public universities in South-west, Nigeria. Total enumeration sampling technique was used for the study. The instrument of data collection was questionnaire. Out of the 236 copies of the questionnaire administered, 171 copies were retrieved, representing 72.5% response rate. Data collected were analysed using percentage, frequency count …

Acute Kidney Injuries In Children With Severe Malaria: A Comparative Study Of Diagnostic Criteria Based On Serum Cystatin C And Creatinine Levels, Folake M. Afolayan, Olanrewaju T. Adedoyin, Mohammed B. Abdulkadir, Olayinka R. Ibrahim, Sikiru A. Biliaminu, Olugbenga A. Mokuolu, Ayodele Ojuawo

Sultan Qaboos University Medical Journal

Objectives: Serum creatinine levels are often used to diagnose acute kidney injury (AKI), but may not necessarily accurately reflect changes in glomerular filtration rate (GFR). This study aimed to compare the prevalence of AKI in children with severe malaria using diagnostic criteria based on creatinine values in contrast to cystatin C. Methods: This prospective cross-sectional study was performed between June 2016 and May 2017 at the University of Ilorin Teaching Hospital, Ilorin, Nigeria. A total of 170 children aged 0.5–14 years old with severe malaria were included. Serum cystatin C levels were determined using a particle-enhanced immunoturbidmetric assay method, while …