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Compliance With Tobacco Control Policy and Visibility of Cigarette Retailers Around Educational Facilities in Riyadh, Saudi Arabia

Hala AlJishi, Dian Kusuma, Alaa AlQurashi, Ali AlFaiz et al. • Frontiers in Public Health (2022)

BackgroundIn Saudi Arabia, cardiovascular diseases are among the top causes of death and disability, and smoking is one of the leading risk factors, particularly among males.ObjectiveOur study aims to evaluate the compliance with the anti-s...

DOAJ Open Access (DOAJ) DOI: 10.3389/fpubh.2022.713460

From face-to-face to screen-to-screen: exploring the multifaceted dimensions of digital mental health care

Aneela Maqsood, Seema Gul, Touseef Zahra, Nazia Noureen et al. • Frontiers in Psychiatry (2024)

BackgroundWith the onset of the COVID-19 pandemic, the world witnessed an unprecedented surge in the adoption of digital platforms across various sectors, including mental health care. In countries such as Pakistan, where traditional face-t...

DOAJ Open Access (DOAJ) DOI: 10.3389/fpsyt.2024.1413127

The Extent to Which Performance Indicators Based On Cash Flows Reflect On the Adequacy and Efficiency of the Financing Structure in Sudanese Banks - An Applied Study On Omdurman National Bank

Hassan Habib Mohanad Gaafar • Management & Social Perspectives (2024)

The study aimed to shed light on the forecasting process according to statistical methods and financial analysis processes for the values of cash flows that help decision-makers to obtain many results derived from issuing a statement of cas...

DOAJ Open Access (DOAJ)

Recurring Construction Risk Categories in Makkah’s Complex Urban Environment: A Colaizzi-Informed Thematic Analysis of Project Managers’ Accounts

Amir A. Hasanain, Khalid Abolkhair, Zahyah H. Alharbi, Abdulrahman A. Altassan • Buildings (2026)

While identifying risks is the first step toward developing response plans, project managers often respond to risks spontaneously. This study aimed to identify recurring construction risk categories reported by project managers in Makkah, e...

DOAJ Open Access (DOAJ) DOI: 10.3390/buildings16193774

Nanosized Cubosomal Thermogelling Dispersion Loaded with Saquinavir Mesylate to Improve Its Bioavailability: Preparation, Optimization, in vitro and in vivo Evaluation

Hosny KM • International Journal of Nanomedicine (2020)

Khaled M Hosny1,2 1Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia; 2Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, EgyptCorrespon...

DOAJ Open Access (DOAJ)

Pressure Effects on Monolayer FeCl2: Above‐Room‐Temperature Ferromagnetism with In‐Plane Electric Polarization and Interface‐Free Magnetic Tunnel Junctions

Shubham Tyagi, Paresh C. Rout, Shubham Singh, Udo Schwingenschlögl • Advanced Electronic Materials (2026)

ABSTRACT We investigate the influence of hydrostatic pressure on the physical properties of monolayer FeCl2 for spintronics applications. A phase transition from a ferromagnetic half‐metal to a ferromagnetic semiconductor is unveiled at 4.6...

DOAJ Open Access (DOAJ) DOI: 10.1002/aelm.202500230

The Evolution of COVID-19 Transmission with Superspreaders Class under Classical and Caputo Piecewise Operators: Real Data Perspective from India, France, and Italy

Shabir Ahmad, Salma Haque, Khalid Ali Khan, Nabil Mlaiki • Fractal and Fractional (2023)

In this study, we analyze the transmission of the COVID-19 model by using a piecewise operator in the classical Caputo sense. The existence along with the uniqueness of the solution of the COVID-19 model under a piecewise derivative is pres...

DOAJ Open Access (DOAJ) DOI: 10.3390/fractalfract7070501

Development of a New 24-bit High-Performance Chipless RFID Tag for Accurate Identification in IoT Systems

Kawther Mekki, Omrane Necibi, Noureddine Boulejfen, Samia Larguech et al. • IEEE Access (2023)

Chipless RFID has the potential to bring in a paradigm change in industrial applications, notably in the world of the Internet of Things (IoT). This wireless technology permits distant identification, sensing, and tracking, giving tremendou...

DOAJ Open Access (DOAJ) DOI: 10.1109/ACCESS.2023.3337151

Synthesis and electrochemical characterization of iron oxide/poly(2-methylaniline) nanohybrids for supercapacitor application

Ahmed Ashour M., Essam Doaa, Kabatas Mohamed A. Basyooni-M., Abdel-Khaliek Ahmed A. et al. • Nanotechnology Reviews (2025)

This study reports the synthesis of a nanohybrid material composed of poly(2-methylaniline) (P(2MA)) and iron oxide (Fe2O3) as electrodes for supercapacitors using a simple and cost-effective method. Various characterization techniques were...

DOAJ Open Access (DOAJ) DOI: 10.1515/ntrev-2025-0189

In vitro antimicrobial and antileishmanial evaluation of green-synthesized ZnO nanoparticles from Cirsium arvense

Yasir Zeb, Asad Ullah, Farhan Ahmad, Bilal Ahmad et al. • Next Nanotechnology (2025)

The emergence of antibiotic-resistant bacterial strains poses a serious public health challenge, urging the need for alternative therapeutic approaches. This study presents, for the first time, the green synthesis of zinc oxide nanoparticle...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.nxnano.2025.100281

Highly Sensitive Dopamine Electrochemical Sensor Using Pt Nanoparticles on CNTs/Polypyrrole Nanocomposites

N. I. Nayem, S. Ahmed, Md. A. Rashed, Jahir Ahmed et al. • Electrochemical Science Advances (2026)

ABSTRACT Dopamine (DA) plays a vital role as a neurotransmitter in the central nervous system (CNS), and its accurate quantification is essential for diagnosing neurological disorders. However, selective and sensitive detection of DA in com...

DOAJ Open Access (DOAJ) DOI: 10.1002/elsa.70011

Recent advances in the Biosynthesis of Zirconium Oxide Nanoparticles and their Biological Applications

Salam S Alsharari, Muneefah A. Alenezi, Mona S. Al Tami, Mohammed Soliman • مجلة بغداد للعلوم (2023)

A critical milestone in nano-biotechnology is establishing reliable and ecological friendly methods for fabricating metal oxide NPs. Because of their great biodegradable, electrical, mechanical, and optical qualities, zirconia NPs (ZrO2NPs)...

DOAJ Open Access (DOAJ) DOI: 10.21123/bsj.2022.7055

A Decision Support Model for Hotel Recommendation Based on the Online Consumer Reviews Using Logarithmic Spherical Hesitant Fuzzy Information

Aziz Khan, Shougi S. Abosuliman, Saleem Abdullah, Muhammad Ayaz • Entropy (2021)

Spherical hesitant fuzzy sets have recently become more popular in various fields. It was proposed as a generalization of picture hesitant fuzzy sets and Pythagorean hesitant fuzzy sets in order to deal with uncertainty and fuzziness inform...

DOAJ Open Access (DOAJ) DOI: 10.3390/e23040432

27 yr of Spaceborne IR Astronomy: An ISO, Spitzer, WISE, and NEOWISE Survey for Large-amplitude Variability in Young Stellar Objects

Chinmay S. Kulkarni, Thomas Behling, Elisabeth E. Banks, Jason Jones et al. • The Astrophysical Journal (2026)

Infrared observations can probe photometric variability across the full evolutionary range of young stellar objects (YSOs), from deeply embedded protostars to pre-main-sequence stars with dusty disks. We present 3–8 μ m light curves extendi...

DOAJ Open Access (DOAJ) DOI: 10.3847/1538-4357/ae3156

Tripartite Linear Relationships Among Job Satisfaction, Organisational Commitment, and Organisational Citizenship Behaviour in Non-Western Settings: A Meta-Analysis and Meta-Regression Analysis

Khiabani Mohsen Malekalketab, Ismail Wan Khairuzzaman Wan, Ahadmotlaghi Ehsan, Barmaky Akbar • Organizacijų Vadyba: Sisteminiai Tyrimai (2026)

There is substantial evidence indicating a positive linear relationship among job satisfaction (JS), organisational commitment (OC), and organisational citizenship behaviour (OCB), with OC often serving as a mediating variable. The interact...

DOAJ Open Access (DOAJ) DOI: 10.2478/mosr-2026-0006

Corporate governance mechanisms, royal family ownership and corporate performance: evidence in gulf cooperation council (GCC) market

Omar Ikbal Tawfik, Ahnaf Ali Alsmady, Rashidah Abdul Rahman, Maha Faisal Alsayegh • Heliyon (2022)

This research is motivated by the increasing importance of the Gulf Cooperation Council (GCC) economies within the world economy and the lack of research on corporate governance mechanisms in these countries. This study examines the relatio...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.heliyon.2022.e12389

Integrating sensor data and GAN-based models to optimize medical university distribution: a data-driven approach for sustainable regional growth in Saudi Arabia

Abdullah Addas, Abdullah Addas, Muhammad Nasir Khan, Muhammad Tahir et al. • Frontiers in Education (2025)

IntroductionThe regional disparity in higher education access can only be met when there are strategies for sustainable development and diversification of the economy, as envisioned in Saudi Vision 2030. Currently, 70% of universities are c...

DOAJ Open Access (DOAJ) DOI: 10.3389/feduc.2025.1527337

A parametric similarity measure for neutrosophic set and its applications in energy production

Peide Liu, Muhammad Azeem, Mehwish Sarfraz, Senesie Swaray et al. • Heliyon (2024)

As a useful tool for managing ambiguous and inconsistent data, the Single Value Neutrosophic Set (SVNSs) is an extension of both Fuzzy Sets (FSs) and Intuitionistic Fuzzy Sets (IFSs). In the field of information theory, metrics like similar...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.heliyon.2024.e38272

Fostering potential entrepreneurs: an empirical study of the drivers of green self-efficacy in Saudi Arabia

Ali Saleh Alshebami, Syed Ali Fazal, Abdullah Hamoud Ali Seraj, Salem Handhal Al Marri et al. • Discover Sustainability (2024)

Abstract The positive role of entrepreneurship and micro and small enterprises in providing job opportunities necessitated a further investigation into the critical individual factors motivating individuals and potential entrepreneurs (stud...

DOAJ Open Access (DOAJ) DOI: 10.1007/s43621-024-00201-w

Machine Learning–Based Prediction of Organic Solar Cell Performance Using Molecular Descriptors

Mohammed Saleh Alshaikh • International Journal of Emerging Research in Engineering, Science, and Management (2025)

The performance of Organic Solar Cells (OSCs) is intrinsically linked to the molecular, electronic, and structural properties of donor and acceptor materials. This study employs various machine learning techniques, namely the Generalized Re...

DOAJ Open Access (DOAJ) DOI: 10.58482/ijeresm.v4i4.4