Mathematics, Statistics & Physics: Recent submissions
Now showing items 21-40 of 814
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In vitro evaluation of anticancer properties of Mn-substituted magnetite ferrofluids with human osteosarcoma and cervical cancer cells
( Elsevier , 2023 , Article)Aqueous manganese (Mn)-doped magnetite is an interesting candidate for cancer therapy owing to its unique magnetic, optical, and viscosity properties and its response to an external magnetic field. This paper addresses the ... -
Biocompatible neem gum-modified polyvinyl alcohol composite as dielectric material for flexible energy devices
( Elsevier , 2024 , Article)In our pursuit of a flexible energy storage solution, we have developed biocompatible (bc)-NG/PVA composite polymers by combining neem tree gum (NG) with polyvinyl alcohol (PVA). This innovative bio-inspired approach ... -
Effect of layered transition metal dichalcogenide hybrid nanomaterials on the piezoelectric performance of non-solvent induced phase separated polyvinylidene fluoride
( John Wiley and Sons Inc , 2024 , Article)Layered transition metal dichalcogenides (TMDs) with high aspect ratios enhance the alignment of polymer chains and induce a preferred orientation of the polymeric crystallites when incorporated into polyvinylidene fluoride ... -
A Facile Approach to Develop Polyvinyl Alcohol-Based Bio-Triboelectric Nanogenerator Containing Graphene- Doped Zinc Oxide Quantum Dots
( John Wiley and Sons Inc , 2024 , Article)This article presents an environmentally friendly, low-cost polymer nanocomposite, polyvinyl alcohol/sodium alginate-graphene-zinc oxide (PVA-SA/G-ZnO) based triboelectric nanogenerator by spin coating. ZnO quantum dots ... -
Carbon dots as versatile nanomaterials in sensing and imaging: Efficiency and beyond
( Elsevier , 2024 , Article Review)Carbon dots (CDs) have emerged as a versatile and promising carbon-based nanomaterial with exceptional optical properties, including tunable emission wavelengths, high quantum yield, and photostability. CDs are appropriate ... -
Enhancing gamma-ray shielding with Bi2O3-Enriched BTBi glasses: Optimal balance of attenuation and glass transparency
( Elsevier , 2024 , Article)A host glass of barium-magnesium-boro-tellurite (BTBi0) was produced and reinforced with 10, 20, 30, and 40 mol% of Bi2O3 (BTBi1, BTBi2, BTBi3, and BTBi4) to enhance its gamma rays shielding efficiency. The structural, ... -
Age-Dependent Assortativeness in Herpes Simplex Virus Type 1 Oral Transmission in the United States: A Mathematical Modeling Analysis
( Oxford University Press , 2025 , Article)Herpes simplex virus type 1 (HSV-1) is a highly infectious, globally prevalent lifelong infection. Despite advancements in understanding its epidemiology, the assortativeness in the age-dependent transmission patterns ... -
Protection conferred by SARS-CoV-2 infection across a spectrum of reinfection symptoms and severities
( BMJ Publishing Group , 2025 , Article)Background SARS-CoV-2 infection is associated with protection against reinfection. This study analysed this protection across different reinfection symptoms and severities, comparing the preomicron and omicron eras. Methods ... -
Integrative WATSU Teaching Strategies to Foster Adaptive Mastery of Coaches and Enhance Aquatic Skills in Children With Diverse Abilities
( Routledge , 2025 , Article)Physical activities are essential for their overall health and development, yet children with disabilities often face numerous barriers that hinder their participation. Aquatic therapeutic activities, particularly WATSU, ... -
Bridging the gap: investigating discrepancies between subjective and objective sleep assessment in university students
( Taylor and Francis Ltd. , 2025 , Article)Introduction Sleep quality among university students is crucial for academic success and overall well-being. This study investigated the discrepancies between subjective and objective sleep assessment in university students ... -
Prevalence of syphilis infection among migrant workers in Qatar: a nationwide cross-sectional survey
( BMJ Publishing Group , 2024 , Article)Objectives Scant data are available on syphilis infection within migrant populations worldwide and in the population of the Middle East and North Africa region. This study investigated the prevalence of both lifetime and ... -
Cellulose-inspired approaches to sustainable EMI shielding materials: A comprehensive review
( Elsevier , 2024 , Article Review)Electromagnetic induction (EMI) shielding has become essential across various industries to counteract the detrimental impact of EMI on electronic devices and delicate machinery. Traditional EMI shielding materials, ... -
Differential protection against SARS-CoV-2 reinfection pre- and post-Omicron
( Springer Nature , 2025 , Article)The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has rapidly evolved over short timescales, leading to the emergence of more transmissible variants such as Alpha and Delta1, 2–3. The arrival of the Omicron ... -
Hepatitis C virus transmission among people who inject drugs in the Middle East and North Africa: mathematical modeling analyses of incidence and intervention impact
( Elsevier , 2025 , Article)BackgroundThe Middle East and North Africa (MENA) region is the most affected by hepatitis C virus (HCV) infection globally. This study aimed to estimate HCV incidence among people who inject drugs (PWID) in MENA and ... -
Evaluating chemiluminescent immunoassays for syphilis detection: A comparative analysis
( Elsevier , 2025 , Article)BackgroundSyphilis, caused by Treponema pallidum (TP), remains a significant global public health concern, with approximately 8 million new cases annually. Diagnosing syphilis is challenging due to its often-asymptomatic ... -
Evaluating Hospital Admission Data as Indicators of COVID-19 Severity: A National Assessment in Qatar.
( Oxford University Press , 2025 , Article)Accurately assessing SARS-CoV-2 infection severity is essential for understanding the health impact of the infection and evaluating the effectiveness of interventions. This study investigated whether SARS-CoV-2-associated ... -
Impact of a potential Chlamydia vaccine in the USA: mathematical modelling analyses.
( BMJ Publishing Group , 2024 , Article)(CT) infection is a global health challenge. New approaches are needed to control CT disease burden. An age-structured deterministic mathematical model calibrated to nationally representative population-based data was ... -
A new oscillator with mega-stability and its Hamilton energy: Infinite coexisting hidden and self-excited attractors
( American Institute of Physics Inc. , 2020 , Article)In this paper, we introduce an interesting new megastable oscillator with infinite coexisting hidden and self-excited attractors (generated by stable fixed points and unstable ones), which are fixed points and limit cycles ... -
Age could be driving variable SARS-CoV-2 epidemic trajectories worldwide
( Public Library of Science , 2020 , Article)Current geographic spread of documented severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections shows heterogeneity. This study explores the role of age in potentially driving differentials in infection ... -
A novel hybrid secure image encryption based on Julia set of fractals and 3D lorenz chaotic map
( MDPI , 2020 , Article)Chaos-based encryption schemes have attracted many researchers around the world in the digital image security domain. Digital images can be secured using existing chaotic maps, multiple chaotic maps, and several other ...
