Photometric light curve analysis of three overcontact binary systems: ATO J255.8159+16.8821, CRTS J034336.4+264312, and NSVS 2669503
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Ahmed Shokry, Mohamed S. Darwish, Mohamed A El-Sadek
Multi-band photometric observations of three contact binaries (ATO J255.8159+16.8821, CRTS J034336.4+264312, and NSVS 2669503) were carried out using the 1.88 m telescope at the Kottamia …
Variation in HIV-1 Tat and Vpr protein amino acid sequences and its association with vascular health measures in a South African cohort: an exploratory study
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Esmé Jansen van Vuren, Yolandi Breet, Adriaan Jacobs
OBJECTIVES: Human immunodeficiency virus (HIV)-1 is associated with adverse cardiovascular-related outcomes. Subtype-specific variations in the amino acid sequences of Tat and Vpr HIV-1 proteins are …
Mapping evidence of postgraduate research supervision experiences at higher education institutions in Africa: A scoping review protocol
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Celenkosini Thembelenkosini Nxumalo, Tina Roberts, Abdel-Hakeem Mohamed
Background The evolving landscape of the African higher education sector necessitated by global higher education reforms and the need for research informed responses to address …
Prevalence of common mental disorders and associated factors among pregnant women attending antenatal care at the University of Gondar Comprehensive Specialized Hospital, Northwest Ethiopia, 2023
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Kiber Temesgen, Berhanie Getnet, Biksegn Asrat
Background: Common mental disorders (CMDs) such as depression and anxiety are prevalent during pregnancy. CMDs are public health concerns because of the implications for the …
Fine Tuned YOLOv11-Based Road Sign Detection
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Safa Teboulbi, Seifeddine Messaoud, Mohamed Ali Hajjaji
The rapid growth of autonomous driving and intelligent transportation systems has increased the need for accurate and efficient traffic sign detection. Recognizing traffic signs in …
Hybrid Statistical-Spectral Sparse Feature Selection with Optimization for Robust and Generalizable Lung Adenocarcinoma Classification
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Sara Haddou Bouazza
High dimensionality, redundant features, and poor cross-dataset generalization hinder Lung Adenocarcinoma (LUAD) classification using gene expression data. This study proposes Hybrid Statistical-Spectral Sparse Feature Selection …
The Impact of Lime Content in Cement Mortar on the Shear Stress and Ductility of Perforated Brick Masonry Wallets
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Maissene Benhadji, Omar Bouksani, Fattoum Kharchi
The partial replacement of cement with lime can offer significant advantages in restoring historic masonry, as traditional mortar compositions were predominantly lime-based. This study examines …
Flexural Behavior of Bamboo Reinforced Concrete Beams Treated with Sikadur 32 F
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Abdourahim Jallow, Stanley Muse Shitote, Silvester Ochieng Abuodha
This experimental study investigates the flexural behavior of bamboo-reinforced concrete as a sustainable alternative to steel reinforcement. A series of tests, including compressive strength, ductility, …
An Iterated Heuristic Community Detection Algorithm for Social Networks Based on Centrality and Similarity Measures
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Ali Chenaoui, Mohammed Amin Tahraoui
Community detection is a crucial analytical approach to comprehend the structure and functionality of intricate networks, which are frequently conceptualized as graphical representations. This problem …
Enhanced Prediction of Insulator Flashover Voltage Using Artificial Neural Networks Optimized with Particle Swarm Optimization
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Lazreg Taibaoui, Abdelhalim Mahdjoubi, Boubakeur Zegnini
Outdoor insulators are critical components in power systems but are highly susceptible to environmental factors such as moisture, rain, and contaminants. These adverse conditions often …
Design and Analysis of a Miniaturized-Metamaterial-Based Monopole Antenna for Ultra-Wide Band Wireless Communication System Using Machine Learning
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Shadrack Naminde Ndete, Franklin Muriuki Manene, Robert Macharia Maina
This research presents a miniaturized microstrip Ultra-Wideband (UWB) antenna based on double square ring Metamaterial (MTM) for modern wireless communication devices. The MTM unit cells …
Hybrid ARIMAX–LSTM Modeling for Enhanced Vibration Prediction in Rotating Machinery: Application to a Cement Mill Fan
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Noureddine Allassak, Salima Trichni, Fouzia Omary
In intensive industrial applications, such as cement manufacturing, the reliable operation of key equipment is critical to ensure the equipment longevity and a continuous efficient …
Evaluating knowledge, awareness, attitudes, and practices regarding vitamin D in pregnant and postnatal Ghanaian women: a cross-sectional study
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Benedicta Appiah, Alfred Effah, Samuel Danso
BACKGROUND: Vitamin D plays a crucial role in maternal and foetal health during pregnancy and lactation. However, its deficiency remains prevalent among pregnant and post-natal …
Is South Africa ready for point-of-care, non-sputum tests for TB diagnosis? An assessment of end-user perceptions on a novel urine test and tongue swab for TB testing
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Nasiphi Mqedlana-Ntombela, Vanessa Fargnoli, Salome Charalambous
BACKGROUND: Sputum collection continues to limit TB testing, resulting in undiagnosed TB. Innovative interventions are needed to expand point-of-care TB diagnosis particularly in low-to-middle income …
Assessment of symmetry and parental satisfaction after use of customized nasal conformers in unilateral cleft lip repair: a randomized controlled clinical trial
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Mahmoud Akram Khodir, Saeeda Mahmoud Osman, Hala Ragaa Ragab
OBJECTIVES: To evaluate the effectiveness of customized nasal conformers used after unilateral cleft lip repair on nasal symmetry and parental satisfaction. MATERIALS AND METHODS: Fourteen …
Knowledge, attitudes, and practices towards prevention and control of neurocysticercosis-related epilepsy in Northern Tanzania: A cross-sectional healthcare professional-based study
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Masanja Laurent Lugelongi, Andrew Martin Kilale, Kabemba E. Mwape
BACKGROUND: Infection of the brain with the larval stage of Taenia solium leads to neurocysticercosis (NCC), a leading cause of epilepsy with a considerable global …
Perceived power dynamics in nursing education on students’ learning experience in Ghana
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Collins Atta Poku, Veronica Adwoa Agyare, Samuel Baafi
INTRODUCTION: Educator-student connectedness is where students can thrive, even amid failure, preserving their worth and self-dignity. Every relationship may have challenges, which is no different …
Prevalence and predictors of kidney dysfunction among people living with HIV in Tanzania
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Daniel Msilanga, Elizabeth Msangi
As people living with HIV (PLHIV) in sub-Saharan Africa live longer due to widespread access to antiretroviral therapy (ART), the burden of non-communicable diseases, including …
Intergovernmental Learning Exchange to Advance Data-Driven Decision Making: Experiences from Nigeria.
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Agbonkhese I. Oaiya, Oludare Onimode, Olaposi Olatoregun
Background Nigeria has strategically invested in digital health to achieve HIV/AIDS epidemic control, meet SDG health targets, and advance towards UHC. Despite progress, challenges persist. …
Rethinking the Expanded Public Works Programme for sustainable income generation in South Africa: insights from Duncan Village
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Babongile Moto, Purity Hamunakwadi, Sijekula Mbanga
Background Expanded Public Works Programmes (EPWPs) in South Africa aim to tackle unemployment and poverty, particularly in informal settlements, by offering temporary employment and skills …