Institution
University of Calabar
Recent research
- AI & Computing
This study examined the digitalization of academic activities as a nexus for the sustainable development of university education in Nigeria. The study specifically sought to determine the extent to which digitalization of academic activities predicts sustainable development in un...
- Society & EconomicsOpen access
This study examined the volatility effects of climate policy uncertainty on renewable energy stock returns in Nigeria using the Exponential Generalized Autoregressive Conditional Heteroskedasticity (EGARCH) model. The increasing importance of renewable energy investments and the...
- Engineering & Technology
Purpose Nine multi-output regression models were compared for simultaneous HL and CL prediction, supplemented by domain-informed feature engineering, SHapley Additive exPlanations (SHAP explainability), robustness testing and a calibrated physics baseline comparison. The best-per...
- Engineering & TechnologyOpen access
{ "background": "Industrial machinery fleet reliability is a critical determinant of productivity and economic output in developing economies. However, systematic, longitudinal assessments of fleet system performance in such contexts are scarce, limiting evidence-based maintenanc...
- Engineering & TechnologyOpen access
{ "background": "Industrial machinery fleet reliability is a critical determinant of productivity and economic output in developing economies. However, systematic, longitudinal assessments of fleet system performance in such contexts are scarce, limiting evidence-based maintenanc...
- BiologyOpen access
Seasonal reproduction in birds is regulated by photoperiod and melatonin through receptor-mediated signaling. However, their combined effects on testicular steroidogenic pathways, melatonin receptor expression and antioxidant defence-related gene expression remain poorly understo...
- Society & EconomicsOpen access
The thrust of this study was to examine social vices and academic performance of students in Social Studies in CalabarEducation Zone of Cross River State, Nigeria. To achieve the purpose of this study, three hypotheses were formulated toguide the study. Literature review was carr...
- Society & EconomicsOpen access
The thrust of this study was to examine social vices and academic performance of students in Social Studies in CalabarEducation Zone of Cross River State, Nigeria. To achieve the purpose of this study, three hypotheses were formulated toguide the study. Literature review was carr...
- Society & EconomicsOpen access
This study investigates the impact of financial deepening on structural transformation in Nigeria over the period 1981–2024. Despite significant financial sector expansion—with broad money supply rising from 10.39% to 24.66% of GDP, private sector credit from 7.37% to 20.16% of G...
- Health & MedicineOpen access
DEEP LEARNING-DRIVEN PNEUMONIA DETECTION SYSTEM USING CONVOLUTIONAL NEURAL NETWORKS
Pneumonia remains a critical global health challenge, particularly in regions with limited access to expert radiological and medical services at large. This study therefore presents the development of a Deep Learning-Based Pneumonia Detection System that leverages Convolutional N...
- Health & MedicineOpen access
DEEP LEARNING-DRIVEN PNEUMONIA DETECTION SYSTEM USING CONVOLUTIONAL NEURAL NETWORKS
Pneumonia remains a critical global health challenge, particularly in regions with limited access to expert radiological and medical services at large. This study therefore presents the development of a Deep Learning-Based Pneumonia Detection System that leverages Convolutional N...
- Society & EconomicsOpen access
The main purpose of this study was to investigate the extent to which UNICAL Sandwich Programme meets selected criteria of effectiveness in Cross River State, Nigeria.. To achieve the aim of this study, two research questions were formulated to guide this study. Literature relate...
- Health & MedicineOpen access
This study examined research mentorship and attitude towards thesis completion among post graduate students in Cross River State, Nigeria. To realize the stated objectives, two null hypotheses were formulated to direct the study. The review of related literature was based on the...
- Society & EconomicsOpen access
The purpose of this study was to examine communication and marital stability among married couples in Vandeikya Local Government Area of Benue State, Nigeria. To achieve the purpose of these study three hypotheses were formulated to guide the study. Literature review was carried...
- Health & MedicineOpen access
Abstract Purpose Timely and precise classification of stroke types is critical for immediate clinical intervention. This study aims to propose a lightweight dual-domain pipeline optimized for three-class ROI-level computed tomography (CT) stroke classification, bridging the gap b...
- Materials & EnergyOpen access
The extensive use of cephapirin (CPP) in the treatment of mastitis in dairy cattle has raised environmental concerns because residues excreted in an unchanged form can enter soil and water systems, where they promote the survival and spread of antibiotic-resistant bacteria. These...
- Society & EconomicsOpen access
The increasing complexity of digital banking has created new opportunities for cyber-enabled financial fraud in Nigerian DM banks, necessitating effective mechanisms for timely detection and investigation. This study examined the effects of continuous auditing and FA on cyber-ena...
- Health & MedicineOpen access
This study examined environmental sustainability through a regenerative approach to climate change in CalabarMunicipality, Cross River State, Nigeria. It was premised on the recognition that human survival is inseparable from the health and sustainability of the natural environme...
- Society & EconomicsOpen access
This study examined communal conflict resolution strategies and rural development in the Cross River North Senatorial District of Nigeria, comprising Bekwarra, Obanliku, Obudu, Ogoja, and Yala Local Government Areas. The district has experienced persistent intra- and inter-commun...
- BiologyOpen access
This study evaluates the acute and sub-acute oral toxicity of ethanol extract from Hunteria umbellata seeds in mice, focusing on mortality rates, physical observations, biochemical, and haematological markers over 24 hours, 7 days, and 14 days of administration. Across all dosage...