602 results match your criteria: "Essaadi University[Affiliation]"

Isolated splenic tuberculosis in an immunocompetent child: A case report.

Int J Surg Case Rep

January 2025

Department of Pediatric Surgery, Mohamed VI University Hospital, Faculty of Medicine and Pharmacy, Abdelmalek Essaâdi University, Tetouan, Morocco.

Introduction: Tuberculosis remains a major public health problem in developing countries. Isolated splenic tuberculosis is a rare form of extrapulmonary tuberculosis, with few cases documented in the literature, occurring mainly in immunocompromised individuals. The purpose of this article is to contribute to the medical knowledge regarding this rare disease and to highlight the diagnostic challenges and management approach.

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Comparative assessment of empirical and hybrid machine learning models for estimating daily reference evapotranspiration in sub-humid and semi-arid climates.

Sci Rep

January 2025

Prince Sultan Bin Abdulaziz International Prize for Water Chair, Prince Sultan Institute for Environmental, Water and Desert Research, King Saud University, P.O. Box 2454, Riyadh 11451, Saudi Arabia.

Improving the accuracy of reference evapotranspiration (RET) estimation is essential for effective water resource management, irrigation planning, and climate change assessments in agricultural systems. The FAO-56 Penman-Monteith (PM-FAO56) model, a widely endorsed approach for RET estimation, often encounters limitations due to the lack of complete meteorological data. This study evaluates the performance of eight empirical models and four machine learning (ML) models, along with their hybrid counterparts, in estimating daily RET within the Gharb and Loukkos irrigated perimeters in Morocco.

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Water is the basic molecule in living beings, and it has a major impact on vital processes. Plants are sessile organisms with a sophisticated regulatory network that regulates how resources are distributed between developmental and adaptation processes. Drought-stressed plants can change their survival strategies to adapt to this unfavorable situation.

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Background: Persimmon (Diospyros kaki L.) belongs to the Ebenaceae family, which includes six genera and about 400 species. This study evaluated the genetic diversity of 100 persimmon accessions from Hatay province, Türkiye using 42 morphological and pomological traits, along with inter simple sequence repeat (ISSR) markers and multivariate analysis.

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Moroccan L. seeds were investigated for their phenolic profile and antidiabetic potential. Ultra-high-performance liquid chromatography with diode array detection and electrospray ionization mass spectrometry analysis revealed a rich phenolic composition, including benzoic acid, cannabisin B, genistein, and epicatechin.

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Soil erosion susceptibility maps and raster dataset for the hydrological basins of North Africa.

Sci Data

January 2025

University of Southern California, Viterbi School of Engineering, 3737 Watt Way, Powell Hall of Engineering, Los Angeles, CA, 90089, USA.

Soil erosion in North Africa modulates agricultural and urban developments as well as the impacts of flash floods. Existing investigations and associated datasets are mainly performed in localized urban areas, often representing a limited part of a watershed. The above compromises the implementation of mitigation measures for this vast area under accentuating extremes and continuous hydroclimatic fluctuations.

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Background: Latent TB infection (LTBI) affects one fourth of the global population. Currently, there is an absence of an optimal strategy for distinguishing between active tuberculosis (aTB) and LTBI. While some researchers have explored cytokines other than interferon-gamma (IFN-γ) as biomarkers, results have shown significant variability in their ability to differentiate between these conditions.

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Unveiling the Mineral and Sugar Richness of Moroccan Honeys: A Study of Botanical Origins and Quality Indicators.

Molecules

January 2025

Laboratory of Environment and Applied Chemistry (LCAE), Team: Physical Chemistry of the Natural Resources and Processes, Faculty of Sciences, Mohammed First University, Oujda 60000, Morocco.

This study comprehensively analyzes the mineral and heavy metal profiles of seven honey types, focusing on the contents of potassium (K), calcium (Ca), magnesium (Mg), iron (Fe), zinc (Zn), manganese (Mn), copper (Cu), cadmium (Cd), and lead (Pb), with particular emphasis on honey produced in eastern Morocco. Multifloral honey was found to have the highest total mineral content (661 mg/kg), while rosemary honey had the lowest (201.31 mg/kg), revealing the strong influence of floral and botanical origin.

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The grooved carpet shell clam (), widely found along Morocco's coasts and estuaries, is a key economic resource due to its high market value. However, clam production has declined over recent decades, largely due to the overexploitation of natural beds, and recruitment failures, leading to a limited wild spat availability. This study examined how the broodstock collection season (winter vs.

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Sociodemographic Factors and Consanguinity in Intellectual Disability: A Pilot Study.

Innov Clin Neurosci

December 2024

All authors are with Intelligent Automation and BioMed Genomics Laboratory, Faculty of Sciences and Techniques of Tangier, Abdelmalek Essaadi University in Tangier, Morocco.

Objective: Arab populations have a long tradition of consanguinity. In Morocco, consanguineous marriages are culturally favored. In this study, we assessed the effect of consanguinity on the occurrence of intellectual disability (ID) and investigated its association to education level and professional status in a series of Moroccan families.

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The primary goal of the current work was to construct pH-sensitive nano and microcomposite hydrogel beads based on alginate (AL), carboxymethyl cellulose (CMC), biochar (BC), and two Moroccan clays: Ghassoul (swelling SW) and red (not swelling NSW) nano and microhybrid. The adsorbents, SW + AL, SW + AL + BC, SW + AL + CMC, NSW + AL, NSW + AL + BC, NSW + AL + CMC, AL, and AL + CMC were prepared for the adsorption of the antibiotic sulfadiazine (SDZ). The test samples were characterized using a variety of techniques, including X-Ray Diffraction (XRD), IR spectroscopy (FT-IR), and scanning electron microscopy (SEM), with the molecular structures of the studied additives geometrically optimized using the DFT/B3LYP method and the function 6-311G(d).

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This paper investigates enhancing the efficiency of solar water pumping systems (SWPS) by implementing a Maximum Power Point Tracking technique based on the Bat Metaheuristic Optimizer (MPPT-bat) for the photovoltaic generator (PVG) side, coupled with Direct Torque Control (DTC) for the induction motor powering the pump. Unlike traditional techniques, which make no compromise between tracking speed, oscillation and robustness. The integration of the MPPT-bat represents a significant advance, making it possible to improve PVG performance whatever the weather conditions.

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Takotsubo cardiomyopathy (TTC), also known as stress-induced cardiomyopathy, is a rare condition in children that causes acute, severe, but often reversible systolic dysfunction of the left ventricle. Physical trauma is a recognized trigger, although distinguishing TTC from myocardial contusion in pediatric trauma cases can be challenging due to overlapping clinical features. We present the case of a six-year-old boy involved in a high-impact motor vehicle collision.

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Article Synopsis
  • A new Sonogel-Carbon (SNGC) electrode, enhanced with the amino acid l-leucine, has been created for detecting homovanillic acid (HVA) effectively.
  • Electrochemical techniques like cyclic voltammetry and impedance spectroscopy confirmed the performance of the SNGC-Leu electrode, which demonstrated a linear detection range for HVA from 0.5 μM to 50 μM and a detection limit of 0.4 μM.
  • The SNGC-Leu sensor showed high accuracy in real applications, successfully measuring HVA in human urine and synthetic cerebrospinal fluid with impressive recovery rates.
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Chronic Kidney Disease of Unknown Etiology: A Global Health Threat in Rural Agricultural Communities-Prevalence, Suspected Causes, Mechanisms, and Prevention Strategies.

Pathophysiology

December 2024

Laboratory of Epidemiology and Research in Health Sciences, Faculty of Medicine and Pharmacy, Sidi Mohammed Ben Abdellah University, PO 1893, Km 2200, Route Sidi Harazem, Fez 30000, Morocco.

Chronic Kidney Disease of Unknown Etiology (CKDu) is a worldwide hidden health threat that is associated with progressive loss of kidney functions without showing any initial symptoms until reaching end-stage renal failure, eventually leading to death. It is a growing health problem in Asia, Central America, Africa, and the Middle East, with identified hotspots. CKDu disease mainly affects young men in rural farming communities, while its etiology is not related to hypertension, kidney stones, diabetes, or other known causes.

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Marine algae are renowned for their health benefits due to the presence of functional bioactive compounds. In this context, this study aims to valorize the extract of a seaweed, (), through phytochemical characterization using liquid chromatography-mass spectrometry (HPLC-MS), as well as in vitro and in silico evaluation of its biological activities (antioxidant and antimicrobial). Phytochemical characterization revealed that the ethanolic extract of (DdEx) is rich in phenolic compounds, with a total of 22 phycocompounds identified.

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Marine sulfated polysaccharides constitute a class of bioactive polymers commonly found in cell walls of macroalgae. Among these macromolecular substances, fucoidans, ulvans, and carrageenans have attracted considerable attention providing interesting therapeutic properties affected by a combination of various structural factors, such as sulfation pattern, molecular weight, monosaccharide composition, and glycosidic linkages. Remarkably, chemical modification, enzymatic hydrolysis and crosslinking are promising approaches for developing the application of these polysaccharides through enhancement and/or addition of new biological properties.

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Hydatid disease is a zoonotic infection caused by the tapeworm, primarily affecting the liver and lungs, and rarely involving muscle tissue. Humans are infected by ingesting eggs from contaminated food or water. Patients may present with painless, slow-growing masses, sometimes associated with nerve or vessel compression, especially in cases of muscle involvement.

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Background: In Morocco, latent tuberculosis infection (LTBI) is a public health concern affected by the country's location as transit area between sub-Saharan Africa with high TB burden to Europe. This study aimed to assess the influence of exposure intensity to Mycobacterium tuberculosis (Mtb), age, and Bacille Calmette-Guérin (BCG) vaccination on LTBI prevalence in Morocco.

Methods: A cross-sectional study of 131 participants, including 98 non-exposed healthy volunteers (NEHV) and 33 healthcare workers exposed to active TB (exposed healthcare workers [EHCW]), was conducted.

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Because college students are an important category of the population highly vulnerable to mental health problems, this study aims to investigate the sociodemographic variables associated with the increase in psychological distress levels among Moroccan college students. Participants ( = 1147; mean age 20.00, = 2.

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Anticancer Effect of Mycotoxins From : Exploration of Natural Product Potential.

Int J Microbiol

December 2024

Department of Biology, Laboratory of Research and Development in Engineering Sciences, Faculty of Sciences and Techniques of Al-Hoceima, Abdelmalek Essaadi University, Tetouan 93000, Al-Hoceima, Morocco.

Research into biologically natural substances with antitumor properties, known for their potential to induce fewer side effects and exhibit specificity toward cancerous cells, remains imperative. The pressing demand for novel agents in cancer therapy underscores the intensive investigation of natural products from microorganisms. , frequently isolated from food and feed, emerges as a promising candidate against pathogenic bacteria and fungi.

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Article Synopsis
  • The Mauritanian Atlantic coast is crucial for both the economy and ecosystem but is facing pollution from human activities, particularly PAH contamination.
  • To evaluate this pollution, the coast was categorized into four zones, revealing that the most contaminated zones (PNkt and LBZ) had significantly higher PAH levels in sediments compared to the less stressed zones (PNBA and PDlt).
  • The findings indicate heightened risks for both carcinogenic effects and ecological damage in the more polluted zones, emphasizing the need for sustainable management of the coastal resources in Mauritania.
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Plastic pollution in a special protected area for migratory birds.

Sci Total Environ

January 2025

Department of Mathematical and Computational Sciences, Physical Science and Earth Science, University of Messina, Messina, Italy; Institute for Chemical-Physical Processes, National Research Council of Italy (IPCF-CNR), Messina, Italy.

Article Synopsis
  • Plastic pollution in Special Protected Areas for Migratory Birds is increasingly threatening habitats, with a study assessing litter at Montorsoli and Pylon Beaches along the Strait of Messina.
  • Montorsoli Beach showed a higher density of plastic litter (1.2 pieces/m) compared to Pylon Beach (0.1 pieces/m), with the most common items being plastic pieces 0.5 cm to 50 cm in size and a notable presence of various polymers, including Polymethyl methacrylate (PMMA) and cotton fibers.
  • The findings highlight significant ecological risks, especially for marine birds that rely on these protected areas, and provide essential data for future regional environmental management.
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