Publications by authors named "Abdo H"

Atrophic acne scars present a significant therapeutic challenge. While subcision with various adjunctive treatments, including fractional CO₂ lasers and polydioxanone (PDO) threads, has been employed for scar remodeling, comparative evidence on their efficacy remains limited. This study aims to compare the clinical efficacy and patient satisfaction between subcision with fractional CO₂ laser and subcision with PDO screw threads in managing atrophic acne scars.

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This study addresses the critical need for effective groundwater (GW) management in Muzaffarabad, Pakistan, amidst challenges posed by rapid urbanization and population growth. By integrating Support Vector Machine (SVM) and Weight of Evidence (WOE) techniques, this study aimed to delineate GW potential zones and assess water quality. This study fills the gap in applying advanced machine learning and geostatistical methods for accurate GW potential mapping.

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  • * A comparison of non-cancerous and patient-derived VFC cells shows an association between cancer progression, reduction in specific cell adhesion proteins, and changes in how cells move collectively.
  • * Mimicking the normal mechanical activity of healthy tissue can reduce tumor-promoting factors, while a correlation was found between ECM content, a signaling protein (YAP), and patient survival, suggesting potential therapeutic strategies targeting these pathways.
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  • * The fabrication of standard samples for testing was done using aluminum molds, and techniques like sonication and silane coupling were used to ensure uniform dispersion of the components in the epoxy matrix.
  • * Results showed dramatic improvements in the tensile and yield strength of the composite, highlighting the benefits of combining Zr and SiO with microfillers, making the material suitable for construction applications where strength and adhesion are key.
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  • * A study of 50 patients with psoriasis found that 22% tested positive for onychomycosis, with various fungi types identified among them, including dermatophytes and molds.
  • * The research emphasizes the importance of combining mycology, histology, and dermoscopy for accurate diagnosis, revealing that spikes were the most common dermoscopic sign in onychomycosis cases while nail pitting was more typical of psoriasis.
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In India, the spatial coverage of air pollution data is not homogeneous due to the regionally restricted number of monitoring stations. In a such situation, utilising satellite data might greatly influence choices aimed at enhancing the environment. It is essential to estimate significant air contaminants, comprehend their health impacts, and anticipate air quality to safeguard public health from dangerous pollutants.

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The waste management sector is moving towards sustainable approaches for facilitating resource-recovery possibilities. Agriculture residue (rice straw), cow dung (cattle waste), and clam shells from the ocean are the primary waste materials possessing a huge value addition opportunity. In this study, the effective usage of rice straw and anaerobic sludge from cow dung for bio-energy production was studied.

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The primary objective of this study is to explore the spatial rotary movements of a symmetrically charged rigid body (RB) that is rotating around a fixed point, akin to Lagrange's scenario as a novel scenario where its center of mass experiences a slight displacement from the symmetry dynamic axis. The body's movement is presumed to be affected by a gyrostatic moment and a force from an electromagnetic field, attributed to the presence of a located point charge on this axis. The regulating equations of motion that are pertaining to the equations Euler-Poisson are solved through the utilization of Poincaré's small parameter method along with its adaptations when the scenario of irrational frequencies is considered.

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Software defect prediction aims to find a reliable method for predicting defects in a particular software project and assisting software engineers in allocating limited resources to release high-quality software products. While most earlier research has concentrated on employing traditional features, current methodologies are increasingly directed toward extracting semantic features from source code. Traditional features often fall short in identifying semantic differences within programs, differences that are essential for the development of reliable and effective prediction models.

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One open question in the biology of growth factor receptors is how a quantitative input (i.e., ligand concentration) is decoded by the cell to produce specific response(s).

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Problem: Fetal spina bifida (SB) is more common in pregnant people with folate deficiency or anomalies of folate metabolism. It is also known that fetuses with SB have a higher risk of low birthweight, a condition that is typically placental-mediated. We therefore hypothesized that fetal SB would associate with altered expression of key placental folate transporters and an increase in Hofbauer cells (HBCs), which are folate-dependent placental macrophages.

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Biomaterials-based adsorbents have emerged as a sustainable and promising solution for water purification, owing to their eco-friendly nature and remarkable adsorption capacities. In this study, a biocomposite hydrogel was prepared by the incorporation of activated carbon derived from pomegranate peels (PPAC) in tragacanth gum (TG). The hydrogel biocomposite (PPAC/TG) showed a porous structure, a negative surface charge at a pH of more than 4.

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Accurate and in-time prediction of crop yield plays a crucial role in the planning, management, and decision-making processes within the agricultural sector. In this investigation, utilizing area under irrigation (%) as an exogenous variable, we have made an exertion to assess the suitability of different hybrid models such as ARIMAX (Autoregressive Integrated Moving Average with eXogenous Regressor)-TDNN (Time-Delay Neural Network), ARIMAX-NLSVR (Non-Linear Support Vector Regression), ARIMAX-WNN (Wavelet Neural Network), ARIMAX-CNN (Convolutional Neural Network), ARIMAX-RNN (Recurrent Neural Network) and ARIMAX-LSTM (Long Short Term Memory) as compared to their individual counterparts for yield forecasting of major Rabi crops in India. The accuracy of the ARIMA model has also been considered as a benchmark.

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Objective: Alopecia areata (AA) is a common form of potentially reversible non-scarring hair disorder characterized by limited patchy hair loss (alopecia areata), loss of all scalp hair (alopecia totalis), or all body hair (alopecia universalis). Several lines of treatment have been used with variable outcomes. We aimed to compare the efficacy of intralesional pentoxifylline (PTX) and triamcinolone acetonide (TRA) injection in the treatment of alopecia areata.

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The rapid growth of the dye and textile industry has raised significant public concerns regarding the pollution caused by dye wastewater, which poses potential risks to human health. In this study, we successfully improved the adsorption efficiency of activated carbon derived from pomegranate peel waste (PPAC) through a single-step and surface modification approach using 5-sulfonate-salicylaldehyde sodium salt. This innovative and effective sulfonation approach to produce sulfonated activated carbon (S-PPAC) proved to be highly effective in removing crystal violet dye (CV) from polluted water.

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The main target of this study is to evaluate the impact of hybrid reinforcement using AlO nanoparticles and graphite on the epoxy nanocomposites' mechanical and tribological properties. Various weight fractions of the reinforcement materials, ranging from 0 to 0.5 wt.

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Background: The present study was conducted to explore the diversity pattern of spring vegetation under the influence of topographic and edaphic variables in sub-tropical zone, District Malakand. In the present vegetation study, 252 species of 80 families were recorded in the study area. It included 39 species of trees, 43 species of shrubs, 167 species of herbs and 3 climber species.

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Biomedical applications are crucial in rehabilitation medicine, assisting individuals with disabilities. Nevertheless, materials failure can sometimes result in inconvenience for users. Polylactic Acid (PLA) is a popular 3D-printed material that offers design flexibility.

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This research paper presents the fabrication of epoxy coatings along with the hybrid combination of SiO and ZrO. The epoxy resin is incorporated with SiO as the primary pigment and ZrO as the synergist pigment. The study delves into the adhesion, barrier, and anti-corrosion properties of these coatings, enriched with silica and zirconium nanoparticles, and investigates their impact on the final properties of the epoxy coating.

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Tribological performance is a critical aspect of materials used in biomedical applications, as it can directly impact the comfort and functionality of devices for individuals with disabilities. Polylactic Acid (PLA) is a widely used 3D-printed material in this field, but its mechanical and tribological properties can be limiting. This study focuses on the development of an artificial intelligence model using ANFIS to predict the wear volume of PLA composites under various conditions.

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Article Synopsis
  • The use of rice waste, specifically rice-straw-derived nanofibers (RSNFs), can enhance environmental sustainability by reducing waste and creating new materials for biomedical applications.
  • In this study, RSNFs were mixed with high-density polyethylene (HDPE) at varying concentrations (1-4 wt.%) to create bio-composites through extrusion and injection-molding techniques.
  • The results showed that incorporating RSNFs improved the bio-composites in terms of hydrophilicity, mechanical strength, hardness, and wear resistance, showcasing the potential for sustainable material development.
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  • Aluminum casting was performed with various Ti concentrations (0.1, 0.2, and 0.3%) in addition to Mg and Mn, using a graphite crucible, and the microstructure was modified via hot rolling to about 2 mm thick.!
  • Mechanical testing showed that the Ultimate Tensile Strength improved significantly with increasing Ti content, reaching up to 345 MPa with 0.3 wt% Ti under water quenching, marking a 32.6% increase compared to 0 wt% Ti.!
  • Corrosion tests revealed that while heat-treated alloys exhibited good resistance to corrosion in a salt solution, higher Ti content led to increased corrosion rates, attributed to enhanced grain refinement.
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  • * Various techniques, including EDS, FE-SEM, FTIR, and TGA, were used to analyze the physical and chemical properties of the coatings.
  • * Coatings with ZrO nanoparticles demonstrated improved corrosion resistance and adhesion compared to pure epoxy, with the 2% ZrO formulation showing the best performance due to better particle dispersion in the epoxy matrix.
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Groundwater is a sacred natural resource and its security is not negotiable. However, the high level of environmental indiscipline and the shambled state of waste management in Nigeria poses a significant risk to environmental health. In this study, we employed subsurface resistivity and hydrochemical data along with diagnostic surveyed questionnaires (DSQ) and physical surveys, to critically assess the impacts of dumpsites on the environmental matrices (soil, surface and groundwater) and the possible public health risk associated with it.

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Despite Bangladesh being vulnerable to cyclones, there is a dearth of research on cyclone vulnerability assessment. Assessing a household's vulnerability is considered a crucial step in avoiding the adverse effects of catastrophe risks. This research was conducted in the cyclone-prone district of Barguna, Bangladesh.

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