A multiscale computational investigation for protection of carbon steel surface by pyrazolo-pyrimidine derivatives
Article scientifique
Open Access
Mohamed K. Awad, W.S. Abdel Halim, Faten M. Atlam
Abstract The potential corrosion inhibition properties of pyrazolo-pyrimidine derivatives with extended π system for carbon steel in acidic medium were investigated through a combined DFT, …
Predicting the invasion potential of two alien plant species (Parthenium hysterophorus L., Asteraceae and Salvia tiliifolia Vahl, Lamiaceae) under the current and future climate change scenarios in Ethiopia
Article scientifique
Open Access
Daniel Melese, Zerihun Woldu, Zemede Asfaw
Abstract Background Invasive alien plants pose serious threats to native ecosystems, agricultural productivity, and biodiversity. Parthenium hysterophorus and Salvia tiliifolia, both originating from the Americas, …
Innovative and sustainable solutions for reducing ‘zero-dose’ vaccination: How can the region respond?
Article scientifique
Open Access
Zeina Abdel Majeed, Nada Ahmad, Osama Mere
Background: This roundtable focused on the challenge of reaching zero-dose children in the Eastern Mediterranean Region (EMR) amid declining immunization rates and increasing health disparities. …
Microwave-assisted synthesis and characterization of Xanthan gum-grafted polyacrylamide hydrogel for the removal of acid red 8 dye from aqueous solutions
Article scientifique
Open Access
Eman A. Fadl, Wagih Abdel Alim Sadik, Abdel Ghaffar M. El Demerdash
Abstract This study focuses on creating a sustainable, biodegradable, and affordable hydrogel from xanthan gum grafted polyacrylamide using a microwave-assisted synthesis method. The hydrogel is …
Optimal maximum power point tracking strategy based on greater cane rat algorithm for wind energy conversion system
Article scientifique
Open Access
Kareem M. AboRas, Mohammed Hassan EL-Banna, A.I. Megahed
With the rapidly increasing usage of renewable sources, especially wind power, maximizing the power produced from wind energy conversion system (WECS) has become a major …
Determinants of entrepreneurial intentions among postgraduate students: evidence from a University in the Eastern Cape
Article scientifique
Open Access
Ntomboxolo Girlie Chagi, Thobeka Ncanywa, Abiola John Asaleye
Introduction Entrepreneurship plays an important role in driving innovation, job creation, and economic sustainability, particularly in an under-resourced environment such as South Africa’s Eastern Cape. …
Spatial disparities in zero-dose vaccination coverage for children aged 12–23 months in Ethiopia: A geographically weighted regression analysis
Article scientifique
Open Access
Berhanu Fikadie Endehabtu, Kassahun Alemu, Shegaw Anagaw Mengiste
BACKGROUND: Though Ethiopia has made significant progress in childhood vaccination, many children remain unvaccinated, making it the third largest contributor to the global burden of …
Cumulative adverse childhood experiences and their association with depression and anxiety: a cross-sectional study of youth living in informal urban settings in Kenya
Article scientifique
Open Access
William Byansi, Catherine Mawia Musyoka, Christopher E. Baidoo
Adverse childhood experiences (ACEs), such as abuse, neglect, and household dysfunction, are linked to adverse mental health outcomes, particularly among adolescents and young adults living …
Two step approach for detecting and segmenting the second mesiobuccal canal of maxillary first molars on cone beam computed tomography (CBCT) images via artificial intelligence
Article scientifique
Open Access
Sally Mansour, Enas Anter, Ali Khater Mohamed
AIM: The purpose of this study was to assess the accuracy of a customized deep learning model based on CNN and U-Net for detecting and …
Prevalence and predictors of viral load non-suppression among adolescents on dolutegravir-based antiretroviral therapy: A cross-sectional study from three urban clinics, Soroti City
Article scientifique
Open Access
Connie Nait, Simple Ouma, Saadick Mugerwa Ssentongo
BACKGROUND: Despite advances in HIV care, viral load suppression (VLS) among adolescents living with HIV (ALHIV) in Uganda continue to lag behind that of adults, …
Unravelling novel microbial players in the breast tissue of TNBC patients: a meta-analytic perspective
Article scientifique
Open Access
Hannah Hisham Rashwan, Nour H Marzouk, R.A. Youness
Triple-negative breast cancer (TNBC) is the most aggressive subtype of breast cancer (BC), accounting for nearly 40% of BC-related deaths. Emerging evidence suggests that the …
Gut health and physiological aspects of broiler chicken fed zeolite as a dietary supplement: its effect on growth, cecal microbiota and digesta viscosity, digestive enzymes, carcass traits, blood constituents and antioxidant parameters
Article scientifique
Open Access
Ibrahim A. Abdel-Kader, Shaaban S. Elnesr, Bothaina Y. Mahmoud
This study investigated the impact of dietary zeolite supplementation on growth, cecal microbiota and digesta viscosity, digestive enzymes, carcass traits, blood constituents, and antioxidant parameters …
Prevalence and factors associated with depression, anxiety and post-traumatic stress disorder among healthcare workers from sub-Saharan Africa: systematic review
Article scientifique
Open Access
Ezra Too, Peninah Wanjiku Wachira, Solomon Njenga
BACKGROUND: Depression, anxiety and post-traumatic stress disorder (PTSD) are prevalent among healthcare workers (HCWs), including those from sub-Saharan Africa (SSA). However, there are limited summary …
Assessing the determinants of uptake and hesitancy in accessing COVID 19 vaccines in Nigeria: a scoping review
Article scientifique
Open Access
Chikezie Ifeanyi, Emmanuel Chijioke Okechukwu, Olushola Tosin
The coronavirus disease (COVID-19) is one of the largest public health threats in recent times, with significant health, economic, and social consequences globally. The WHO …
Social media addiction and academic engagement: the role of sleep quality and fatigue among university students in Somalia
Article scientifique
Open Access
Mohamed Abdullahi Khalaf, Abdifetah Ibrahim Omar, Abdirizak Warsame Abdulle
Purpose A growing concern over social media addiction (SMA) and its impact on academic performance has highlighted a need to understand the underlying mechanisms. While …
Phenolic-rich extracts of Teucrium oliverianum confer protection against thioacetamide-induced liver fibrosis in rats: Insights from metabolomics, biochemical and histopathological analysis
Article scientifique
Open Access
Rania F. Ahmed, Abdelbaset M. Elgamal, Heba A. S. El‐Nashar
BACKGROUND: Hepatic fibrosis unfolds as a pathological buildup of extracellular matrix triggered by liver injury. Thioacetamide (TAA) plays a versatile role across various fields-from industrial …
The impact of nano zinc on broiler productivity, tibia bone characteristics, and gut microbiota
Article scientifique
Open Access
Ahmed Samy, Mamdouh Omar Abd-Elsamee, Suzan M. E. Ezzelarab
This study aimed to investigate the impact of varying concentrations of nano zinc oxide compared to the conventional form affected the productivity, tibia bone characteristics, …
Instructional strategies for enhancing students' problem-solving skills in physics: a systematic review
Article scientifique
Open Access
Théophile Musengimana, Lakhan Lal Yadav, Jean Uwamahoro
Abstract This study systematically explores instructional strategies that enhance students' problem-solving skills in physics through a systematic literature review. A systematic search and screening process …
Assessment the properties of various surgical sutures
Article scientifique
Open Access
Doaa H. Elgohary, Mohamed Saad, Mona Mansour Salem
The multiple disciplines such as materials science, engineering and biomedicine have facilitated the development of different types of surgical suture materials with multifunctionalities. In this …
Integrated kinetic, thermodynamic, and statistical investigation of aniline blue dye removal using magnesium silicate nanoparticles
Article scientifique
Open Access
Ahmed Magdy, Magdi E. A. Zaki, Maysa R. Mostafa
Magnesium silicate nanoparticles were found to be an effective adsorbent for aniline blue dye from wastewater. Using the sol-gel technique, magnesium silicate nanoparticles were synthesized …