Aims: This study assessed chemical and microbial contamination in the Kuwano River by (i) quantifying concentrations and spatial distribution of selected heavy metals (Cd, Pb, Zn, Cu, Cr, and trace metals), (ii) evaluating microbial pollution via total coliforms, faecal coliforms...
Open access
Research Article10.9734/cjast/2026/v45i34678
Background: Anabolic-androgenic steroids (AAS) are artificial analogy of testosterone engineered to increase anabolic functions, such as muscle building and protein synthesis, and to enhance androgenic effects that cause masculine features. Although created with therapeutic inten...
Open access
Research Article10.9734/cjast/2026/v45i34675
The aim of this study was to evaluate the mechanical behavior of reinforced masonry constructed with concrete blocks from two regions of Mexico (Veracruz and Querétaro) and to develop a calibrated numerical model capable of reproducing its structural response under shear loading....
Open access
Research Article10.9734/cjast/2026/v45i34674
Modern Lakehouse platforms provide extensive operational observability, including queryable telemetry, execution histories, and runtime diagnostics. Yet data engineering teams repeatedly diagnose and resolve the same failure patterns with no platform-level memory of prior resolut...
Open access
Research Article10.9734/cjast/2026/v45i34673
The sustainable management of plastic waste is a critical environmental issue, particularly in developing countries where collection and recycling rates remain low. In this context, this study focuses on the development of an innovative composite material, made from recycled plas...
Open access
Research Article10.9734/cjast/2026/v45i34672
Refractivity gradients play a critical role in atmospheric signal propagation, influencing communication systems and weather forecasting. Accurate prediction of these gradients remains challenging due to the complex interactions of atmospheric variables. This study presents a com...
Open access
Research Article10.9734/cjast/2026/v45i34671
A 6-year-old male Dachshund dog presented to Veterinary clinical campus with a history of good general appearance and normal appetite but had not voided faeces or urine for the past two days. Clinical examination revealed that there were no significant abnormalities observed exce...
Open access
Research Article10.9734/cjast/2026/v45i34670
The rapid advancement of nanoelectronics has intensified the search for atomically thin materials with tunable electronic properties suitable for high-performance devices. Van der Waals heterostructures composed of complementary two-dimensional materials provide a versatile platf...
Open access
Research Article10.9734/cjast/2026/v45i24669
The semiconductor industry faces increasing demands for precise and efficient wafer defect detection as device miniaturisation continues. Traditional manual inspection methods have proven inadequate for modern high-density wafer manufacturing, necessitating automated detection so...
Open access
Research Article10.9734/cjast/2026/v45i24668
Aims: The aim of this study was to analyze the impact of ripening stage (green, yellow, orange, and red) on the phytochemical composition of local cherry tomato (Solanum lycopersicum L.) cultivated in Côte d'Ivoire. Methods: Local cherry tomatoes were harvested at distinct ripeni...
Open access
Research Article10.9734/cjast/2026/v45i24667
Energy efficiency is one of the priorities of the current political agenda. There are very few countries in which no objective has been set in terms of energy savings, energy consumption, and reduction of greenhouse gas emissions. However, these declarations of intent are not alw...
Open access
Research Article10.9734/cjast/2026/v45i24666
This paper presents a numerical study of flooding using the one-dimensional Saint-Venant (shallow water) equations, which describe the conservation of mass and momentum in free-surface flows. The model is developed under simplified assumptions, including flat topography and the a...
Open access
Research Article10.9734/cjast/2026/v45i24665
Aim: Groundwater quality monitoring in hard-rock aquifer systems is essential for sustainable resource management. This study aims to assess groundwater quality using the weighted arithmetic Water Quality Index (WQI) method and to develop an Artificial Neural Network (ANN) model...
Open access
Research Article10.9734/cjast/2026/v45i24663
Accelerated urbanisation coupled with continuous population growth has substantially amplified the volume of solid waste generated, thereby rendering effective waste management an urgent and complex challenge. Inadequate segregation at source and delays in waste collection freque...
Open access
Research Article10.9734/cjast/2026/v45i24664
The rapid expansion of photovoltaic (PV) systems in developing countries is leading to a growing accumulation of end-of-life solar equipment waste (DES), while dedicated management infrastructures remain largely underdeveloped. This study proposes a generalizable methodological f...
Open access
Research Article10.9734/cjast/2026/v45i24662