Publications by authors named "Mohamed Saad"

Background And Aims: Non-alcoholic steatohepatitis (NASH) is a severe form of non-alcoholic fatty liver disease (NAFLD), characterized by hepatic inflammation and damage due to fat accumulation. Psoriasis patients show higher NASH incidence due to overlapping risk factors like obesity and insulin resistance. The study aimed to determine the incidence of non-alcoholic steatohepatitis in patients with psoriasis vulgaris.

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In this work, we developed a high-performance electrochemical sensor for sensitive and selective detection of nitrite in environmental and food samples, utilizing bismuth-modified nitrogen-doped molybdenum carbide nanocomposites (Bi@N-Mo₂C) as the active material The nanocomposite was synthesized through a two-step process involving the formation of Bi@PD-Mo hollow spheres via self-assembly polymerization, followed by thermal carbonization to yield Bi@N-Mo₂C. The resulting material was immobilized on a glassy carbon electrode, enhancing electrochemical activity, as confirmed by Cyclic voltammetry and differential pulse voltammetry through its excellent sensitivity, reproducibility, and long-term stability. Sensor exhibited a broad linear detection range (14.

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This study examined the effects of a 10-week functional balance training program using unstable surfaces on dynamic postural control, lower-limb power, and technical shooting performance in adolescent male basketball players. Twenty-one participants were assigned to an experimental group (n = 11; age 16.14 ± 1.

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The electrochemical nitrogen reduction reaction (NRR) offers a sustainable route to ammonia production under ambient conditions but remains limited by inert N ≡ N bond activation and competitive hydrogen evolution reaction (HER). Herein, we employ first-principles density functional theory (DFT) to systematically investigate the NRR activity of graphyne (GY) doped with single-atom transition metals (Fe, Mo, Ru, W). Structural analysis reveals strong binding and minimal distortion of the TM dopants on the porous, π-conjugated GY scaffold, with Fe-GY and W-GY exhibiting the highest stability.

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Intelligent transportation systems (ITSs) significantly enhance traffic safety and management globally. A critical component of these systems is vehicle classification (VC), which supports vital applications such as congestion control, traffic monitoring, accident avoidance, etc. Traditional classification algorithms rely heavily on visual or sensor-based data (e.

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Background: Kuwait experiences cool winters and hot summers. We evaluated the impact of ambient temperature in these two seasons on acute kidney injury (AKI) incidence and outcomes, and assessed difference between Kuwaitis and non-Kuwaitis.

Method: Clinical and 30-day outcome data from AKI patients who were admitted to seven public hospitals during winter and summer of 2021 were prospectively collected.

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A novel cost-effective, rapid, and eco-friendly method was described for the removal of carbon dioxide (CO) from the gaseous emissions of gasoline engines. This involved the use of a sandwich filter (~10 cm diameter) made of a nonwoven poly (-phenylene isophthalamide) (Nomex) fabric loaded with a thin layer of activated carbon. The optimized filter, with an activated carbon mass of 2.

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Background: Upper respiratory tract infections (URTIs) are one of the most frequent causes of childhood school leave and morbidity.

Aim: To study the present trend of medications' prescribing pattern utilized in URTIs among the pediatric population attending outpatient clinics in pediatric hospitals.

Methods: This analytical observational cross-sectional research was conducted in 200 children aged 1-10 years with URTIs attending the pediatric outpatient clinics in pediatric hospitals, one of which is an educational hospital, from July 2018 to August 2020.

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Raynaud's phenomenon (RP) is characterized by an exaggerated vasoconstrictive response of small blood vessels in the fingers and toes to cold or stress. Oral therapy with tadalafil (TDL), a phosphodiesterase-5 inhibitor, is limited by systemic side effects and reduced patient compliance. This study aimed to develop and evaluate a TDL-loaded nanoemulgel for transdermal delivery as a non-invasive treatment alternative for cold-induced vasoconstriction.

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Background: Enoxaparin is commonly used for venous thromboembolism (VTE) prophylaxis in adult hospitalized patients. Although anti-Xa levels are inversely related to body weight, limited studies evaluated clinical outcomes of dose reduction in the underweight population.

Objective: To compare the incidence of bleeding and VTE in underweight patients receiving reduced doses of enoxaparin (< 40 mg daily) versus the standard dose (40 mg daily) for VTE prophylaxis.

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Regular physical activity confers numerous health and social benefits; however, activity-related lower-limb overuse injuries are prevalent. Medial tibial stress syndrome (MTSS) is a common overuse injury of the lower extremity. It is frequently observed in athletes and in military personnel.

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Separation of xylene isomers poses a significant challenge due to their similar physicochemical properties. Currently, zeolites are utilized as adsorbents for this purpose in the chemical industry despite suboptimal separation performance. With tunable pore size and chemical functionality, metal-organic frameworks (MOFs) are promising adsorbents for separation.

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Urban highways are a central infrastructure in megacities and represent diverse sources of microplastic pollution. Understanding the relative contribution of these microplastic sources, including the abrasion of macrolitter and the generation of tire and road wear particles (TRWP) is necessary to better assess the sources and fate of microplastics in terrestrial environments. This study focuses on microplastic (MP) and TRWP infiltration in the soil of a biofiltration swale alongside a high-traffic highway in the north of Paris, France.

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Metal-organic frameworks (MOFs) are promising adsorbents for CO capture due to readily tunable porosity and diverse functionality; however, their performance is deteriorated by the presence of HO in a flue gas. Fluorinated MOFs (FMOFs) may impede HO interaction with frameworks and enhance CO adsorption under humid conditions. In this study, a multiscale computational screening study is reported to identify the top FMOFs for CO capture from a wet flue gas.

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Background: In obese patients receiving intravenous (IV) acyclovir, conflicting data exist regarding the risk of acute kidney injury (AKI) with different weight-based dosing strategies: total body weight (TBW), adjusted body weight (AdjBW), and ideal body weight (IBW).

Objective: We aimed to compare the safety of the 3 dosing strategies in obese patients.

Methods: A retrospective cohort study including obese patients who received IV acyclovir during their inpatient admissions.

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Natural killer (NK) cells are innate immune cells that play a crucial role as a first line of defense against viral infections and tumor development. Iron is an essential nutrient for immune cells, but it can also pose biochemical risks such as the production of reactive oxygen species. The importance of iron for the NK cell function has gained increasing recognition.

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Machine-learned potentials (MLPs) have transformed the field of molecular simulations by scaling "quantum-accurate" potentials to linear time complexity. While they provide more accurate reproduction of physical properties as compared to empirical force fields, it is still computationally costly to generate their training data sets from ab initio calculations. Despite the emergence of foundational or general MLPs for organic molecules and dense materials, it is unexplored if one general MLP can be effectively developed for a wide variety of nanoporous metal-organic frameworks (MOFs) with different chemical moieties and geometric properties.

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MXenes quantum dots (QDs), including NbC, NbCO, and NbCF, are emerging materials with exceptional structural, electronic, and optical properties, making them highly suitable for biomedical applications. This study investigates the structural optimization, stability, electronic properties, and drug-loading potential of these QDs using fluorouracil (Flu) as a model drug. Structural analyses show that the functionalization of NbC with O and F atoms enhances stability, with binding energies (BEs) of 7.

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Preliminary data from a prospective micro-longitudinal study (30 days) that examined the co-evolution of return to use risk among people diagnosed with an alcohol use disorder (AUD) in residential substance treatment is presented. Data assessed the feasibility of using the open dynamic interaction network (ODIN) responsive ecological momentary assessment (rEMA). rEMA collected daily estimates on affect, urges, sober-support engagement, and use.

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Article Synopsis
  • The study investigates the link between high HbA1c levels and the severity of coronary artery disease (CAD) in patients diagnosed with acute coronary syndrome (ACS).
  • It involved 120 patients with different types of ACS who were also diagnosed with diabetes, measuring their HbA1c levels and performing coronary angiography to assess CAD severity.
  • Results showed that higher HbA1c levels (especially above 10.5%) were associated with more severe forms of CAD, suggesting the need for optimal glycemic control to reduce cardiovascular risks.
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Metal-organic frameworks (MOFs) are versatile nanoporous materials for a wide variety of important applications. Recently, a handful of MOFs have been explored for the storage of toxic fluorinated gases (Keasler et al. 1455), yet the potential of a great number of MOFs for such an environmentally sustainable application has not been thoroughly investigated.

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Many metal-organic frameworks (MOFs) undergo structural collapse upon solvent evacuation during activation, which is attributed to the capillary force generated by the solvent. However, little effort has been devoted to unveiling the nature of such a force. Herein, we employ molecular dynamics (MD) simulations to investigate the evacuation of different solvents in two MOFs (MOF-5 and UMCM-9).

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