Nangarhar University

Glucosamine and chondroitin sulfate in osteoarthritis: mechanisms, microbiome interactions, and nanotechnology-based advances

Osteoarthritis (OA) is the most prevalent degenerative joint disease worldwide. OA involves chronic pain, subchondral bone remodeling, synovial inflammation, and progressive cartilage degeneration. Gut microbiota (GM) dysbiosis disturbs metabolic processes and systemic inflammati...

Investigating the deterministic and stochastic dynamics of Monkeypox: a hybrid numerical approach using spectral method and feedforward neural networks

Monkeypox (Mpox) has recently emerged as a serious threat to human health. Multiple outbreaks of human Mpox have been reported in Africa and North America over the past few years. This study presents a comprehensive computational analysis of Mpox dynamics using a two-model approa...

Factors associated with institutional delivery among married women aged 15–49 years in a remote district of Nooristan Province, Afghanistan: A cross-sectional household survey, 2021

Institutional delivery is a proven intervention for reducing maternal and neonatal deaths, yet rates remain low in remote provinces such as Nooristan. This study assessed the prevalence and factors associated with institutional delivery among married women in Paroon district, Noo...

Occurrence and seasonal distribution of persistent organic pollutants in air and soil across agricultural urban and industrial landscapes

Soil represents a major terrestrial reservoir of persistent organic pollutants (POPs) that influence their atmospheric concentrations through volatilization processes. This study examines the distribution, seasonal variability, and air–soil exchange of key organochlorine pesticid...

Student Perceptions and Perceived Learning Outcomes of ChatGPT in German Language Learning at Nangarhar University

This study assesses the extent of ChatGPT use among German-language students at Nangarhar University and its effectiveness. Artificial intelligence (AI) has significantly influenced contemporary language education, and students in this study reported that ChatGPT serves as an eff...

Superior sagittal sinus thrombosis in hemoglobin S–D disease with acute pyogenic meningitis: a rare case report

Cerebral venous sinus thrombosis (CVST) involving the superior sagittal sinus with associated cerebral infarction is an exceptionally rare neurological complication of hemoglobin S–D disease. The heterogeneity of clinical manifestations, overlapping infective and hematologic feat...

Comparative Analysis of Electron Emission Mechanisms and Evaluation of a Suitable Method for Practical Electron Sources

Abstract : Electron emission is a fundamental process in electron sources used in scientific, medical, and industrial applications. This study aimed to comparatively evaluate major electron emission mechanisms and identify their suitability for practical electron sources based on...

Cardiotoxicity and safety of zanubrutinib versus chemoimmunotherapy in chronic lymphocytic leukemia: a real-world retrospective cohort study using the TriNetX registry

Abstract Background Chronic lymphocytic leukemia (CLL) is the most prevalent leukemia in adults in the Western countries. Ibrutinib, a first-generation Bruton’s tyrosine kinase (BTK) inhibitor, is commonly used for relapsed/refractory CLL but is associated with cardiovascular adv...