Publications by authors named "Ibrahim F"

Background: Working from home during the Covid-19 pandemic was perceived differently by men and women working in STEM fields. The aim of this paper is to highlight the unexpected benefits generated by working from home during the pandemic.

Methods: Qualitative methodology was used to analyze data, collected via survey.

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In vitro dissolution testing plays a key role in controlling the quality and optimizing the formulation of solid dosage pharmaceutical products. Data-driven dissolution models can improve the efficiency of testing: their predictions can act as surrogates to physical experiments and help identify key material attributes / processing parameters that impact product dissolution. Reducing the data (size) requirements of developing such models would significantly improve the utility of dissolution models.

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Introduction: Preterm birth (PTB) is associated with newborn morbidity and mortality. DNA methylation plays an important role in the development of fetus, thus can also serve as an epigenetic biomarker. Limited epigenetic studies were conducted in regard to PTB.

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  • The case series investigates how faricimab treatment affects different fluid areas in patients with polypoidal choroidal vasculopathy (PCV).
  • Despite reduced subretinal fluid and stable vision, all patients showed retinal pigment epithelium elevation after treatment.
  • Over 12-15 months, three patients saw gradual improvement in RPE elevation, with one case resolving entirely, indicating varying treatment responses among fluid compartments in PCV.
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Background: Metabolic dysfunction-associated steatotic liver disease (MASLD) is a leading cause of chronic liver disease with a significant risk of developing hepatocellular carcinoma (HCC). Recent clinical evidence indicates the potential benefits of statins in cancer chemoprevention and therapeutics. However, it is still unclear if these drugs can lower the specific risk of HCC among patients with MASLD.

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Introduction: About 80% of patients receiving chemotherapeutics suffer from side effects related to the gastrointestinal tract. Irinotecan (CPT-11) is a chemotherapeutic agent usually used in treating solid tumors. Quercetin (QRT), a bioflavonoid, is an antioxidant and scavenger reactive oxygen species scavenger.

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The rising incidence of vulvovaginal candidiasis (VVC) has been leading to the development of alternative antifungal therapies. This study aimed to develop a topical chitosan-oleic acid nanoparticle (CH-OA-NP) cream loaded with lemon peel essential oil (LPEO) for VVC treatment. The characterization of the optimal nanoparticle formulation (F4: 10 g/L CH, 2:1 OA/LPEO ratio) showed high encapsulation efficiency, stability, and controlled release.

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Hydrogen is an essential energy resource, playing a pivotal role in advancing a sustainable future. Electrolysis of seawater shows great potential for large-scale hydrogen production but encounters challenges such as electrode corrosion caused by chlorine evolution. Herein, a durable CoCO/CoFe layered double hydroxide (LDH) electrocatalyst is presented for alkaline seawater oxidation, showcasing resistance to corrosion and stable operation exceeding 1,000 h at a high current density of 1 A cm.

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Papillary Thyroid Cancer (PTC) is the most prevalent type of differentiated thyroid cancer. Its incidence is growing worldwide although it has low death rates. Treatment includes surgery followed by radioactive iodine therapy.

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  • Breast cancer has become the most common cancer worldwide, with metastatic cancer being the leading cause of death related to this disease, prompting the development of early detection methods using non-invasive biomarkers.
  • Exosomes, which are tiny vesicles released by cancer cells, play a crucial role in transmitting signals and contain noncoding RNAs (ncRNAs) like miRNAs, lncRNAs, and circRNAs that influence various aspects of breast cancer progression, including growth, metastasis, and immune responses.
  • The study examines the regulatory mechanisms of exosomes in breast cancer and aims to enhance understanding of the functions of exosomal ncRNAs to identify potential biomarkers and improve treatment strategies.
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  • Developing a cost-effective and efficient electrocatalyst for hydrogen and oxygen evolution reactions is a significant research challenge due to its potential in energy storage and conversion.
  • This study presents two types of covalent organic networks synthesized from isoindigo: a crystalline 2D framework (I-TTA COF) and an amorphous fibrous polymer (I-TG COP).
  • The I-TTA COF demonstrates superior electrocatalytic performance, achieving a current density of 10 mA cm-2 with minimal overpotentials for both HER and OER while maintaining its activity after extensive testing.
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Close Quarters Battle (CQB) is an operational approach in confined spaces gaining increasing significance in urban combat missions. Due to its high psychophysiological demands, the CQB ability is an essential selection criterion for special forces. Until now, there has been no research on predictors of CQB capability.

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Objective: To determine the clinical performance of partial coverage restorations (PCR) (onlays, occlusal veneers, and partial crowns) composed of different ceramic and ceramic-based materials to treat extended posterior defects.

Materials And Methods: MEDLINE, Scopus, CENTRAL, ClinicalTrials.gov, and the International Clinical Trials Registry Platform were searched (inception-February 2024) for randomized controlled trials (RCT) comparing posterior PCRs composed of different ceramic and ceramic-based materials with a minimum follow-up of 1 year.

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  • Tuberculosis (TB) is a major global health issue, particularly affecting the lungs, with an incidence rate of approximately 92 cases per 100,000 people; latent TB infection (LTBI) poses a significant concern due to its potential for transforming into active TB.
  • A study in Malaysia analyzed 3,877 samples using the QuantiFERON®-TB Gold Plus test from January 2021 to March 2022, revealing a 16.46% prevalence of LTBI, particularly among males and individuals aged 30-43, predominantly of Chinese ethnicity.
  • The findings highlight that age and ethnicity are significant risk factors for LTBI, and although the prevalence is low for a country with an intermediate TB burden,
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  • This study investigates how exposure to metals during pregnancy affects the liver function of fetuses, focusing on umbilical liver enzymes.
  • Analyzing data from 450 mother-newborn pairs, researchers found a connection between higher levels of certain metals in maternal and cord blood and increased levels of liver enzymes like GGT, ALP, ALT, and AST in newborns.
  • Specific metals, such as arsenic and lead, showed strong positive relationships with liver enzyme levels, while zinc had an inverse effect, indicating that prenatal exposure to certain metals may negatively impact fetal liver function.
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Turnover of messenger RNAs (mRNAs) is a highly regulated process and serves to control expression of RNA molecules and to eliminate aberrant transcripts. Profiling mRNA decay using short-read sequencing methods that target either the 5' or 3' ends of RNAs, overlooks valuable information about the other end, which could provide significant insights into biological aspects and mechanisms of RNA decay. Oxford Nanopore Technology (ONT) is rapidly emerging as a powerful platform for direct sequencing of native, single-RNA molecules.

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Background: Oral health is closely linked to systemic conditions, particularly non-communicable diseases (NCDs), which can exacerbate oral issues. Essential oils (EOs) have emerged as potential alternatives for oral health due to their antibacterial, anti-inflammatory, and antioxidant properties. Among these, rosemary essential oil (REO) shows promise due to its various biological activities.

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  • * The rehabilitation process involved capturing facial anatomy digitally and utilizing virtual planning for minimally invasive preparations, followed by testing with provisional restorations before the final work was completed.
  • * The results after 9 years showed no failures, establishing the digital workflow as a time-efficient and effective treatment method, enhancing predictability for both dental professionals and patients dealing with tooth wear.
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Introduction: Chronic myeloproliferative neoplasms (MPNs) such as polycythaemia vera (PV) and essential thrombocytosis are associated with atherosclerosis and cardiovascular events, especially if JAK2 mutation is there. In rare cases, also spontaneous coronary artery dissection (SCAD) can be seen.

Case Presentation: This case series describes two case reports of MPNs in which SCAD was found in both of them in addition to standard atherosclerosis.

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  • Recent experiments demonstrated a significant increase in torques when a thin aluminum layer was added to a cobalt/platinum heterostructure, indicating a possible Rashba-like interaction at the Co/Al interface.
  • First-principles calculations revealed that this interaction leads to the emergence of a large helical orbital texture in the cobalt layer, driven by the orbital Rashba effect and the formation of surface states at the interface.
  • The study highlights that this orbital texture results in a nonequilibrium orbital accumulation, producing large current-induced torques and providing a theoretical foundation for using orbital transport phenomena in all-metallic magnetic systems with lighter elements.
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Background: Heart rate variability (HRV) was shown to be affected by performing religious activities.

Aim: To examine the relationship between the level of Quran (the holy book of Muslims) memorisation and HRV among teenagers.

Methods: This experimental study included 16 students and 16 non- students ( = 32).

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  • * The condition arises from a combination of reduced platelet production and increased platelet destruction during the dengue infection process.
  • * Understanding the molecular mechanisms behind this process is crucial for improving patient monitoring and treatment, with new techniques like immature platelet fraction analysis showing promise.
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Aims: Bilateral chylothoraces are rare but potentially life-threatening complications of neck dissections (ND). The condition is generally treated with a combination of dietary, medical, procedural, and surgical approaches. The aim of this review is to highlight the management options currently utilized in clinical practice and propose a management algorithm for this condition.

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Precision Medicine (PM) is a transformative clinical medicine strategy that aims to revolutionize healthcare by leveraging biological information and biomarkers. In the context of maternal and neonatal health, PM enables personalized care from preconception through the postnatal period. Qatar has emerged as a key player in PM research, with dedicated programs driving advancements and translating cutting-edge research into clinical applications.

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