Imam Mohammad ibn Saud Islamic University

Impact of financial knowledge and confidence on investment risk tolerance of Egyptian individuals

The paper seeks to examine the effect of both subjective and objective financial knowledge on investment risk tolerance of Egyptian individuals. The findings indicate that objective financial knowledge has insignificant impact, but subjective financial knowledge has a positive an...

Identification of a nanosecond isomer of $$^{164}$$Tb

Abstract This letter reports on the identification of a new isomeric state of $$^{164}$$ 164 Tb ( $$Z=65$$ Z = 65 , $$N=99$$ N = 99 ), which was measured with the DESPEC setup at the GSI Helmholtzzentrum für Schwerionenforschung GmbH following the first relativistic fragmentation...

A numerical study on the thermal buffering of bricks integrated with cylindrical phase change material capsules

While phase change materials (PCMs) in bricks are known to improve thermal mass, the influence of capsule geometry in hot climates remains poorly understood. This study evaluates the thermal performance of thermally smart bricks (TSBs) integrated with cylindrical heptadecane caps...

Climate change, ESG–based sustainability uncertainty and insurance expansion

Purpose This paper aims to examine the combined effects of climate risk and environmental, social, and governance (ESG)-related uncertainty on insurance companies across a panel of 11 countries. Design/methodology/approach This study uses the annual time series data related to 11...

Design a Novel Recyclable Fe 3 O 4 @SiO 2 ‐TGDM@Ni MICOF Electrode for CO 2 Trap, Electrolyte, and Catalyst for Electro‐Carboxylation Reaction

ABSTRACT The design and development of high‐performance electrocatalytic systems featuring multiple functionalities, excellent recyclability, and reusability constitute a vital and essential advancement in the field of green chemistry. Such innovative approaches significantly mit...

Psychometric Validation of the Arabic Doomscrolling Scale Among Saudi Young-Adult Social Media Users: Factor Structure, Measurement Invariance Across Gender, and Digital Correlates

Doomscrolling has emerged as a specific pattern of digital engagement involving habitual and immersive exposure to negative online news, yet no published Arabic validation of the Doomscrolling Scale has been identified. This study aimed to translate the Doomscrolling Scale into A...

Multilayer WS 2 /Borophene/Au/MXene/Cu Metasurface Terahertz Biosensor With Machine Learning‐Augmented Prediction for Label‐Free Brain Tumor Detection

High‐performance terahertz metasurface biosensor is numerically developed for label‐free brain tumor detection. The sensor employs six multilayer elliptical resonators integrating WS 2 , borophene, Au, MXene, and Cu on a graphene‐coated SiO 2 substrate. Three material configurati...

Assessment of groundwater quality through hydrochemical and spatial analysis for domestic and agricultural uses

Abstract Groundwater plays a crucial role in Southeastern Morocco, where arid climate conditions, recurrent droughts, and increasing agricultural demands make it the primary source of water for domestic and irrigation purposes. In the absence of previous studies on the Bouanane w...

Tailored novel nanocomposites for advanced disposal of crystal violet dye from water

Crystal violet is a toxic cationic dye that poses substantial threats to aquatic biota and public health because of its persistence, bioaccumulation potential, and documented cytotoxic and carcinogenic effects. Efficient removal of this pollutant from contaminated water therefore...

Theoretical and Numerical Study on Buckling Analysis of Cylindrical Shell Structures by Galerkin and Finite Element Methods

The structural instability of cylindrical shells has long attracted scholarly attention due to its inherently nonlinear response and extensive engineering relevance. Although numerous investigations have examined buckling phenomena arising from individual loading modes such as ax...

Eco-friendly flexible polyvinyl-chloride composites reinforced with brine sludge and WO 3 : structural, thermal, and radiation shielding performance

Abstract This study investigated the structural, thermal, and gamma-ray shielding performance of flexible polyvinyl chloride (PVC) composites fabricated and reinforced with tungsten oxide (WO 3 ) and brine sludge (BS). The composites were prepared with varying WO 3 content (10–30...

NiO‐Decorated Activated Carbon for Selective and High‐Performance Pb(II) Adsorption

ABSTRACT Lead contamination in water systems poses a serious environmental and public health concern, necessitating the development of efficient and selective adsorbents. In this study, a NiO‐decorated activated carbon (NiO@AC) nanocomposite was synthesized via chemical activatio...

The link between negative workplace gossip and employee creativity in healthcare organizations – a moderated mediation model

Purpose This study aims to investigate how negative workplace gossip (NWG), defined as informal and critical talk about absent colleagues, reduces employee creativity in healthcare organizations. Drawing on social cognitive theory (SCT) and self-determination theory (SDT), the st...

A Topological and Spatial Analysis of FDA‐Approved Drugs, Blood‐Brain Barrier Permeants, Natural Products, and Metabolites

In this study, we present a comprehensive structural analysis of four distinct chemical libraries: FDA‐approved drugs, blood‐brain barrier (BBB) permeable agents, natural products (UNPDA), and human metabolites. Our multidimensional profiling reveals fundamental divergences in mo...

Decoding multidimensional water quality in arid industrial lakes: a comprehensive CCME-WQI, HPI, and GIS-based evaluation of the Arab al-Ulayqat system

Effective water quality management is crucial in arid regions, where inland water systems are highly vulnerable to anthropogenic pressure and climatic stress. This study aimed to assess water quality in Egypt’s Arab al-Ulayqat Lakes using physicochemical, microbiological, heavy-m...

Quality by Design‐Guided Transethosomal Gel of Donepezil Hydrochloride and Quercetin for Potential Alzheimer's Management: Stability‐Indicating Eco‐Compatible RP‐HPLC Method

ABSTRACT Alzheimer's disease requires innovative therapeutic strategies that not only alleviate symptoms but also protect neurons. Donepezil hydrochloride, a cholinesterase inhibitor, and quercetin, a potent antioxidant, were co‐formulated into a transethosomal gel to enhance bra...

Candidate epistatic mutation clusters in occult hepatitis B virus genotype D: a critical narrative review of the evidence gap and a proposed testable framework

Hepatitis B virus (HBV) genotype D is the dominant genotype across the Middle East. It forms the background against which diagnostic assays, blood-screening algorithms, and vaccination programmes operate in the region. Occult hepatitis B infection (OBI), the presence of replicati...

Recent Advances of Metal–Organic Frameworks‐Based Sensors for Food Safety and Environmental Monitoring

Metal‐organic frameworks (MOFs) are versatile porous materials increasingly used in sensing for food safety and environmental monitoring, where on‐site detection is critical. Compared to traditional methods, MOF‐based sensors offer higher surface areas, tunable pores, abundant ac...

CBT-ICU transformer: a clinician-behaviour-aware multimodal deep learning framework for early detection of critical care adverse events in MIMIC-IV

Early identification of clinical deterioration in intensive care units (ICUs) remains a major challenge despite the availability of large-scale electronic health records. Most existing models focus primarily on physiological measurements such as vital signs and laboratory results...

Deposition behaviour, optimisation, and coating quality of Al‐19Zn friction‐surfaced on low carbon steel

This study examines deposition behaviour, process optimisation, and coating geometry for aluminium–19 wt.% zinc coatings on an AISI 1020 steel substrate using friction surfacing. Nine experimental runs were attempted by varying axial pressure, rotational speed, and feed rate in o...