Magnetically modified amino MXene psyllium hydrogel nanobiosorbent for the simultaneous removal of hexavalent chromium and curcumin from wastewater
Article scientifique
Accès ouvert
Magda E. Abouelanwar, Mohamed E. Mahmoud
Abstract Chromium, particularly Cr(VI), is a highly toxic contaminant that poses serious health risks, including immune system suppression and damage to the liver and kidneys. …
Regioselective synthesis of novel spiro-isoxazolines congeners as antimicrobial agents: in vitro and in-silico assessments
Article scientifique
Accès ouvert
Rachid Bouzammit, Soumia Ait Assou, Mohammed Er-rajy
Introduction A new class of spiroisoxazolines was efficiently synthesized through a regioselective cycloaddition between arylidene tetralone 1 and arylnitrile oxides 2 , characterized and assessed …
Development of a magnetic molecularly imprinted polymer for the removal of dexamethasone from river nile water
Article scientifique
Accès ouvert
Salma A. Mokbel, Mohammad Abdel‐Halim, Mehmet Dinc
Abstract Magnetic molecularly imprinted polymers (MMIPs) were synthesized using 3-aminophenylboronic acid (APBA) for recognition of dexamethasone (DEX). The particles were characterized by scanning electron microscopy …
Techno-economic feasibility analysis of hybrid renewable energy system for off-grid African communities: Insights from a Zambian case study
Article scientifique
Accès ouvert
Satnam Singh Virdy, Francis Yamba, Manish Mishra
As hybrid renewable energy systems are increasingly adopted for rural electrification, this study presents an approach for optimizing off-grid systems in resource-abundant regions. Using a …
Computer assisted verbal autopsy: comparing large language models to physicians for assigning causes to 6939 deaths in Sierra Leone from 2019–2022
Article scientifique
Accès ouvert
Richard Wen, Anteneh Assalif, Andy Sze-Heng Lee
BACKGROUND: Verbal autopsies (VAs) collect information on deaths in low and middle-income countries occurring outside healthcare facilities to estimate causes of death (CODs) for use …
Grade 12 rural teachers’ Technological Pedagogical Content Knowledge and challenges while using GeoGebra to teach Euclidean geometry
Article scientifique
Accès ouvert
Masantsa Tshegofatso Malale, Hlamulo Wiseman Mbhiza
Introduction The integration of dynamic mathematics software like GeoGebra in recent years into classroom teaching has gained international attention for its potential to enable learners’ …
A multistream attention based neural network for visual speech recognition and sign language understanding
Article scientifique
Accès ouvert
Fatma M. Talaat, Basma M. Hassan
This paper introduces SignKeyNet, a novel multi-stream keypoint-based neural network designed to enhance lip-reading recognition and support foundational sign language understanding. The architecture decouples signer …
Respiratory support during neonatal and infant aeromedical interfacility transfers in the Western Cape, South Africa: a retrospective review
Article scientifique
Accès ouvert
Andrit Lourens, Johanna Catharina Botha, Garth Moys
Abstract Background Interfacility transfer (IFT) of neonates and infants is common in South Africa, with many needing respiratory support. Recently, interest in non-invasive ventilation, particularly …
Compressive sensing techniques based on secure data aggregation in WSNs
Article scientifique
Accès ouvert
Marwa E. Madkour, Salah E. Soliman, Moawad I. Dessouky
This research paper presents an efficient data collection scheme for Wireless Sensor Networks (WSNs) that simultaneously compresses and encrypts sensor data to extend network lifespan. …
Insecticide resistance dynamics in Aedes mosquitoes in Ghana
Article scientifique
Accès ouvert
Isaac Kwame Sraku, Christopher Mfum Owusu-Asenso, Anisa Abdulai
Arboviral diseases such as dengue, chikungunya, Zika, and yellow fever are of increasing endemicity and public health concern in Africa. Understanding the spatial distribution and …
Influence of implementation of salutogenic strategies in beverage factory buildings on the meaningfulness of workers
Article scientifique
Accès ouvert
Adedapo Adewunmi Oluwatayo, Fabian D. Apav
Amid growing global concerns over employee mental health in high-demand industrial sectors, this study examines how salutogenic design strategies influence workers’ sense of meaningfulness within …
Progressive applications of synthesized isatin-based reactive dye: fabrics dyeing, corrosion inhibition, and antimicrobial activity
Article scientifique
Accès ouvert
Mervat El‐Sedik, Saadia Abd Elmegied, Tarek Aysha
A new heterobis-reactive dye, monochlorotriazine/sulphatoethylsulphone bearing an isatin moiety (MCT-SES dye), was synthesized and identified using NMR, mass spectra, and elemental analysis. The prepared reactive …
Molecular detection of Histoplasma capsulatum in environmental samples collected from South African caves
Article scientifique
Accès ouvert
Tsidiso G. Maphanga, Rutendo E. Mapengo, Oresti Ventouras
INTRODUCTION: Histoplasma capsulatum naturally occurs in cave soil enriched by bat guano. South African caves are documented as probable sources of exposure for speleologists, casual …
Antibiogram, antibiotic resistance genes and health risks of Listeria species from fruits and vegetables in selected locations in Nigeria
Article scientifique
Accès ouvert
Anthony A. Adegoke, Kate O Igoche, Olaniyi Owolawi
Abstract* Background Fresh produce is a vital vehicle for the transmission of foodborne pathogens, yet data from low- and middle-income countries on contamination levels and …
Diagnostic performance of chest radiography for pediatric tuberculosis across high- and low-burden settings
Article scientifique
Accès ouvert
Alicia Hernanz-Lobo, Juan J. Gómez-Valverde, Angel M. Lancharro
Background Chest radiography (CXR) is the most widely used imaging tool in pediatric tuberculosis (TB) diagnostic pathways, and remains central in current WHO algorithms. However, …
Synergistic curative effects of Trichoderma hamatum and Rumex dentatus against Alternaria alternata, the causal agent of tomato leaf spot disease
Article scientifique
Accès ouvert
Bassant Philip, Asia R. Eid, Shokry Bayoumi
The current investigation identified and characterized Alternaria alternata as the causal agent of tomato leaf spot through morphological traits and multilocus phylogenetic analysis [internal transcribed …
Mapping of quantitative trait locus for resistance to anthracnose in a population derived from genotypes PI 527538 and Ervilha of common bean
Article scientifique
Accès ouvert
Mwiinga Mulube, Swivia Hamabwe, Kuwabo Kuwabo
Anthracnose (ANT) caused by the fungus Colletotrichum lindemuthianum is a major disease of common bean ( Phaseolus vulgaris L.). The objectives of this study were …
Poly(acrylamide/styrenesulfonic acid) hydrogels for effective removal of Cr(III) ions
Article scientifique
Accès ouvert
Abdalla M. Khedr, Ashraf A. Lotfalla, Kazuhiro Hara
Techniques for chromium ion removal have been researched more and more because of the significant harm to human health posed by this hazardous contamination in …
Neurodevelopment in children born to women exposed to pesticides during pregnancy
Article scientifique
Accès ouvert
William Nelson, Simon Mamuya, Karim Manji
The global rise in pesticide use, particularly across Africa, raises concerns about maternal occupational exposure during pregnancy and its potential impact on child neurodevelopment. This …
The role of the Committee on the Rights of the Child in strengthening accountability for attacks on education in armed conflict
Article scientifique
Accès ouvert
Ann Skelton
Education is increasingly under attack in situations of armed conflict, with increasing incidence of schools bombed, repurposed for military use, education politicized, and children denied …