Publications by authors named "Ahmed Abbas"

Upper gastrointestinal endoscopy (GIE) is essential for diagnosing and treating gastrointestinal disorders in children aged 6-12 years, yet it often requires sedation due to the significant discomfort and pain involved. We conducted a PRISMA 2020-compliant systematic review of randomized controlled trials (RCTs) from PubMed, Web of Science, Scopus, and Ovid (inception to March 30, 2024). Inclusion criteria are as follows: RCTs comparing sedative regimens (e.

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This study investigated the potential for chitosan nanogel (CNG) to mitigate adverse consequences of infection by Shewanella spp. in the Nile tilapia, Oreochromis niloticus. A total of 160 fish (average weight = 27.

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Pesticide pollution of waterways is a significant problem that compromises the sustainability of aquaculture and harms the health of wild fish. The restoration potential of dietary white poplar leaves (WPL) during long-term hexaflumuron (HEX) exposure in Nile tilapia (Oreochromis niloticus) was studied for 60 days on growth, physiological, behavioral, gene expression, and histopathology assays. Two hundred fish (36.

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Functional inactivation of tumor suppressor genes drives cancer initiation, progression, and treatment responses. Most tumor suppressor genes are inactivated through 1 of 2 well-characterized mechanisms: DNA-level mutations, such as point mutations or deletions, and promoter DNA hypermethylation. Here, we report a distinct third mechanism of tumor suppressor inactivation based on alterations to the histone rather than DNA code.

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The simultaneous quantification of active pharmaceutical ingredients alongside their mutagenic impurities represents a critical challenge in pharmaceutical quality control. This study presents the first multicolor analytical platform for concurrent determination of bisoprolol fumarate (BIP), amlodipine besylate (AML), and 4-hydroxybenzaldehyde (HBZ), a Class 3 mutagenic impurity in BIP requiring strict regulatory monitoring. Two complementary methodologies were developed: high-performance thin-layer chromatography (HPTLC)-densitometry and Firefly Algorithm-optimized partial least squares (FA-PLS) spectrophotometry, both aligned with green analytical chemistry (GAC) and white analytical chemistry (WAC) principles.

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The most prevalent diseases in fish farming are bacterial infections, which drive considerable financial losses to the aquaculture sector. Figuring out an innovative, eco-friendly antimicrobial is becoming more crucial, especially in light of the escalating resistance of pathogens to the existing pharmaceuticals. Accordingly, this work is the inaugural attempt to look into the antibacterial attributes of a flavanone [naringenin (NG) dissolved in dimethyl sulfoxide (DMSO)] in assisting Oreochromis niloticus (Nile tilapia) to combat a bacterial challenge (Proteus mirabilis).

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Background: Surgical site infections (SSIs) remain a significant challenge in orthopedic surgery, despite existing methods for lowering SSI rates, contributing to increased morbidity, mortality, and healthcare costs. The search for more effective prophylaxis strategies is a major area of research to reduce postoperative morbidity and mortality. Topical application of vancomycin powder (VP) has been suggested as an adjunctive measure for reducing SSIs.

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The integration of advanced technologies in agricultural education is essential to bridging the gap between theoretical knowledge and practical application. Digital twin (DT) technology stands out as a promising tool for simulating complex environments such as poultry farms, offering students immersive opportunities to engage with farm management processes without the need for physical presence in live production settings. This study explores the potential of DT-based virtual simulations to enhance student learning experiences and engagement in poultry farm management within higher education programs, while also examining their role in preparing graduates for the job market and influencing student enrollment in poultry science disciplines.

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Waterborne trace element mixture (TEM) negatively affects the physiological performance of fish and health status in recent years. Pumpkin peels (Cucurbita pepo, CPP; 12 g/kg diet) as a target of polyphenol substances was evaluated against TEM [mercury (Hg) and zinc (Zn)] exposure in Oreochromis niloticus (Nile tilapia) in this investigation. Comprehensive biochemical, molecular, and histological assays were evaluated.

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Background: Elective laparotomies account for a larger fraction of laparotomy procedures performed worldwide. Although surgical techniques continue to advance, the incidence of incisional hernia (IH) and other post-operative complications remain challenging to surgeons. This study aimed to evaluate the significance of using prophylactic mesh reinforcement during elective laparotomy.

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The novel anti-glaucoma ophthalmic preparation containing latanoprost, netarsudil, and benzalkonium chloride has posed a significant challenge due to its complexity and the lack of environmentally sustainable quantification methods, with only a single published method available for its quantification that lacks environmental consideration. This study aims to address this crucial gap by presenting a novel and sustainable approach using machine learning-enhanced UV-spectrophotometric chemometric models for the concurrent quantification of latanoprost, netarsudil, benzalkonium chloride, and two related compounds in ophthalmic preparations and aqueous humour. A strategic multi-level, multi-factor experimental design creates a 25-mixture calibration set for four models (PLS, GA-PLS, PCR, and MCR-ALS).

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Several studies have evaluated the performance of constructed wetland coupled microbial fuel cell (CW-MFC) operated in a batch mode. However, so far, few studies have concerned the performance and behavior of the continually operated CW-MFC systems. This study explores the performance of a continually operated CW-MFC for 180 days to treat real leather tannery wastewater (LTWW) simultaneously with bioelectricity generation.

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Tremendous progress has been achieved in comprehending the scientific principles governing nature and translating them into practical applications. Among the areas of interest within photonic systems, bioinspired color-tuning devices originating from physical structure modulation hold significant importance. This Review provides an overview of cutting-edge advancements in bioinspired structural color-tuning photonic devices across various applications.

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Three thiosemicarbazone-based bifunctional chemosensors 2-(3-ethoxy-2-hydroxybenzylidene)hydrazinecarbothioamide (S1), 2-(3-ethoxy-2-hydroxybenzylidene)-N-methylhydrazinecarbothioamide (S2) and 2-(3-ethoxy-2-hydroxybenzylidene)-N-phenylhydrazinecarbothioamide (S3) have been designed and synthesized. The sensor molecules displayed highly selective and sensitive colorimetric detection towards Co, Ni, Cu, Zn and Fe cations and F anion, in addition to the remarkable selective 'turn on' fluorometric responses for Zn cation and F anion. The high binding constant values are observed when S2 binds with Zn cation (2.

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Objective: To identify factors associated with no-shows in a multicenter retina subspecialty practice.

Design: Cross-sectional study.

Participants: Appointments scheduled at a multicenter practice in Fraser Valley, British Columbia, from September 1, 2020, to September 1, 2021.

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Background: Interprofessional education (IPE) occurs when learners from multiple disciplines collaborate to learn with, and from, each other. The goal of IPE is to encourage learners to seek interprofessional collaboration (IPC) in future practice, consequently improving patient health outcomes. However, implementing IPE within existing curricula is challenging due to constraints based on location and timing.

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A superhydrophilic silica coating was prepared using a sequential dipping process involving acid-catalyzed silica, base-catalyzed silica, and 3-(trihydroxysilyl)propanesulfonic acid. Acid-catalyzed and base-catalyzed silica particles with varying diameters were synthesized by hydrolyzing tetraethyl orthosilicate using HCl and NH·HO as catalysts, respectively. 3-(Trihydroxysilyl)propanesulfonic acid was obtained by oxidizing mercaptopropyl trimethoxysilane with hydrogen peroxide under acidic conditions.

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Background: Acute myeloid leukemia (AML) is characterized by clonal expansion of myeloid precursors, often accompanied by poor prognostic outcomes in older populations due to molecular heterogeneity and resistance to conventional chemotherapeutic agents. Glasdegib, a potent inhibitor of the Hedgehog signaling pathway, has emerged as a targeted agent that enhances chemosensitivity and demonstrates favorable pharmacodynamic profiles in combination regimens. This systematic review evaluates the clinical efficacy and safety of Glasdegib-based therapies in the management of AML.

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The recent approval of the nasal spray combination of mometasone (MOM) and olopatadine (OLO) presents a significant analytical challenge, as only a single reported method exists for its determination, deviating from eco-friendly practices. This study addresses this critical gap by pioneering the application of machine learning techniques to develop robust UV spectrophotometric approach for the simultaneous quantification of MOM and OLO, along with two genotoxic impurities: 4-dimethylamino pyridine (DAP) and methyl para-toluene sulfonate (MTS). By simultaneously determining these highly concerning genotoxic impurities and active pharmaceutical ingredients, this method underscores its paramount significance in upholding rigorous pharmaceutical quality standards and safeguarding patient safety.

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Cyclohexylamine (CHA) is a precursor in the synthesis of artificial sweeteners cyclamate and its major metabolite. CHA is toxic to the nervous system, kidneys, and liver in animal studies. In the present work, gas chromatography-mass spectrometry (GC-MS) and high-performance liquid chromatography-fluorescence detection (HPLC-FLD) were introduced for the first time to the determination of nano-level concentration of CHA in artificial sweetener tablets and human biological fluids.

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A lung abscess is defined as a necrotizing infection with a pus-filled cavity. The infection can be primary in a previously normal lung or secondary to a pre-existing condition such as bronchial obstruction or immunosuppression by HIV or steroid use. Abscesses are more common in men aged 54-74 years, with a history of smoking, alcohol or other sedative use, and immunodeficiency.

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Background: Studies have shown mixed results regarding the association between irritable bowel syndrome (IBS) and metabolic syndrome (MS); This study aimed to assess the susceptibility of IBS patients to MS and its individual components.

Methods: PubMed, Scopus, Embase, and Web of Science were searched on 1/1/2023. Eligible studies were screened, and data on study characteristics, IBS diagnostic criteria, and metabolic syndrome components were extracted.

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Objective: We evaluated the efficacy of applying repetitive transorbital alternating current stimulation (rTACS) to patients suffering from visual defects, especially homonymous hemianopia.

Background: Stroke or optic neuropathy would result in vision loss or Visual field defect (VFD) and homonymous hemianopia. Recently, one of the commonly used procedures to relieve VFD is non-invasive brain stimulation (NIBS).

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