89 results match your criteria: "University of Sidi Mohamed Ben Abdellah[Affiliation]"

Urinary biomonitoring of exposure to glyphosate and its metabolite amino-methyl phosphonic acid among farmers and non-farmers in Morocco.

Environ Toxicol Pharmacol

January 2025

Laboratory of Pharmacology and Toxicology, University Hospital Hassan II, Fez, Morocco; Biomedical and Translational Research Laboratory, Faculty of Medicine and Pharmacy of the Fez, University of Sidi Mohamed Ben Abdellah, Fez, Morocco. Electronic address:

Glyphosate, a widely used herbicide in global agriculture, poses potential health risks due to environmental and dietary exposure. This study evaluated urinary concentrations of glyphosate and its metabolite, amino-methyl phosphonic acid (AMPA), among farmers and non-farmers in Morocco's Fez-Meknes region, using liquid chromatography-tandem mass spectrometry. Glyphosate was detected in 57.

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Guss. () is a medicinal plant used for cancer treatment. However, these treatments may be associated with complications that need to be investigated.

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Background: Intestinal intussusception is the most common cause of intestinal obstruction in infants and children under 3 years of age. Any delay in diagnosis or management can lead to intestinal ischaemia and perforation. The aim of this study is to determine the sociodemographic and clinical risk factors associated with bowel resection in infants and children with intussusception.

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This study investigates the conduction mechanism of ternary sodium borophosphate glass 30NaO-(70 - )BO-PO with 0 ≤ ≤ 35 mol % from a different perspective, focusing on previously unreported high-temperature electrical and dielectric properties for potential solid electrolytes in high-temperature batteries. The glass composition with BO/PO = 1 exhibits a conductivity of approximately 10 S/cm at 250 °C. Dielectric analysis supports this improved conduction, showing higher dielectric values and minimal energy dissipation during storage, indicating promising conductivity and favorable dielectric properties.

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Coriander, caraway, and mystical cumin are famous for their aromatic properties and widely used in Moroccan cuisine. The nutritional/phytochemical composition of their seeds (used for food flavoring and preservation) were compared. Their antioxidant, anti-inflammatory, cytotoxic and hepatotoxic effects were also explored.

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Prolapsed uterine tumors within the cervix or vagina, are attached to the uterine cavity by a soft tissue stalk. Malignant tumors and leiomyoma are the first diagnostic considerations for a prolapsed uterine mass with a visible stalk at MRI. This article describes 4 cases of patients who presented with large, necrotic prolapsed uterine tumors that were surgically confirmed and were diagnosed prospectively on the basis of MRI findings.

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This study aims to assess the chemical composition of the aqueous extract of L. leaves, as well as the potential of aqueous and hydroethanol extracts of the leaves and seeds as analgesic, anti--inflammatory, and antioxidant agents. The contents of phenolics and inorganic constituents were determined in seeds and leaves; antioxidant capacity was assessed by 3 complementary and diverse tests.

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Article Synopsis
  • This study validates the medicinal use of Euphorbia calyptrata through testing its volatile compounds for therapeutic potential using advanced techniques like GC-MS/MS.
  • The research demonstrated significant antioxidant capabilities and antimicrobial activity, with the essential oils showing effective inhibition against various bacterial and fungal strains.
  • Phytochemical analysis identified key compounds, with molecular docking indicating strong interactions with specific targets, reinforcing the plant's effectiveness in traditional medicine.
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Accurate segmentation of breast ultrasound (BUS) images is crucial for early diagnosis and treatment of breast cancer. Further, the task of segmenting lesions in BUS images continues to pose significant challenges due to the limitations of convolutional neural networks (CNNs) in capturing long-range dependencies and obtaining global context information. Existing methods relying solely on CNNs have struggled to address these issues.

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Antioxidant, Antimicrobial, and Insecticidal Properties of Chemically Characterized Essential Oils Extracted from : In Vitro and In Silico Analysis.

Plants (Basel)

November 2023

Laboratory of Natural Substances, Pharmacology, Environment, Modeling, Health & Quality of Life, Faculty of Sciences, Sidi Mohamed Ben Abdellah University, Fez 30003, Morocco.

The present study aimed to explore the phytochemical profile, and evaluate the antioxidant, antimicrobial, and insecticidal properties, of Moroccan L. essential oil (ML-EO) using in vitro and in silico assays. Noteworthily, as chromatography (GC-MS/MS) revealed that ML-EO is majorly composed of piperitenone oxide (53.

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Synthesis, crystal structure and Hirshfeld surface analysis of 1-(12-bromo-dodec-yl)indoline-2,3-dione.

Acta Crystallogr E Crystallogr Commun

November 2023

Laboratory of Organic and physical Chemistry, Applied Bioorganic Chemistry Team, Faculty of Sciences, Ibnou Zohr University, Agadir, Morocco.

In the title compound, CHBrNO, the indoline portion is almost planar and the 12-bromo-dodecyl chain adopts an all- conformation apart from the terminal C-C-C-Br fragment. A micellar-like structure is generated in the crystal by C-H⋯O hydrogen bonds and π-stacking inter-actions between indolinedione head groups and inter-calation of the 12-bromo-dodecyl tails. The Hirshfeld surface analysis of the crystal structure indicates that the most important contributions for the crystal packing are from H⋯H (58.

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In the title mol-ecule, CHNOS, the nitro-gen atom has a planar environment, and the thia-zine ring exhibits a screw-boat conformation. In the crystal, corrugated layers of mol-ecules parallel to the plane are formed by N-H⋯O and C-H⋯O hydrogen bonds together with C-H⋯π(ring) and S=O⋯π(ring) inter-actions. The layers are connected by additional C-H⋯O hydrogen bonds and π-stacking inter-actions.

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Pharmacological activities of chemically characterized essential oils from (Forssk.).

Front Chem

October 2023

Laboratory of Natural Substances, Pharmacology, Environment, Modeling, Health, and Quality of Life, Faculty of Sciences Dhar El Mahraz, University Sidi Mohamed Ben Abdellah, Fez, Morocco.

The present work aimed at characterizing the phytochemical composition of essential oil (HTEO), assessing its antifungal activity against various fungal strains, evaluating its insecticidal and repulsive properties against , and determine its antioxidant capacity. To this end, Gas chromatography-mass spectrometry analysis detected 34 compounds in HTEO, with -Caryophyllene being the major constituent (36.94%).

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In the title mol-ecule, CHNO, the di-hydro-quinoline core deviates slightly from planarity, indicated by the dihedral angle of 1.07 (3)° between the two six-membered rings. In the crystal, layers of mol-ecules almost parallel to the plane are formed by C-H⋯O hydro-gen bonds.

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Chromone-isoxazole hybrids molecules: synthesis, spectroscopic, MEDT, ELF, antibacterial, ADME-Tox, molecular docking and MD simulation investigations.

J Biomol Struct Dyn

August 2024

Engineering Laboratory of Organometallic and Molecular Materials and Environment, Department of Chemistry, Faculty of Sciences Dhar El Mahraz, University of Sidi Mohamed Ben Abdellah, Fez, Morocco.

A mechanistic study was performed within the molecular electron density theory at the B3LYP/6-311G (d,p) computational level to explain the regioselectivity observed. An electron localization function analysis was also performed, and the results confirm the zwitterionic-type (zw-type) mechanism of the cycloaddition reactions between nitrile oxide and alkylated 4-chromene-2-carboxylate derivatives and shed more light on the obtained regioselectivity experimentally. studies on the pharmacokinetics, ADME and toxicity tests of the compounds were also performed, and it was projected that compounds , , and are pharmacokinetic and have favorable ADME profiles.

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Red-tailed hawk algorithm for numerical optimization and real-world problems.

Sci Rep

August 2023

Institut de Recherche en Énergie Électrique de Nantes Atlantique, IREENA, Nantes University, Saint-Nazaire, France.

This study suggests a new nature-inspired metaheuristic optimization algorithm called the red-tailed hawk algorithm (RTH). As a predator, the red-tailed hawk has a hunting strategy from detecting the prey until the swoop stage. There are three stages during the hunting process.

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In this study, a comparison was made of the chemical makeup of different extracts obtained from , a type of red seaweed that was gathered from the Nador lagoon situated in the northern part of Morocco. Additionally, their anti-diabetic and antioxidant properties were investigated. The application of GC-MS technology to analyze the fatty acid content of the samples revealed that linoleic acid and eicosenoic acid were the most abundant unsaturated fatty acids across all samples, with palmitic acid and oleic acid following in frequency.

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Extracts of (Delile) Vis Exhibit In Vivo Wound Healing, Anti-Inflammatory and Analgesic Activities, and Other In Vitro Therapeutic Effects.

Life (Basel)

March 2023

Laboratory of Natural Substances, Pharmacology, Environment, Modeling, Health, and Quality of Life, Faculty of Sciences Dhar El Mahraz, University Sidi Mohamed Ben Abdellah, Fez 30050, Morocco.

The plant (Delile) () has many uses in traditional pharmacology. Aqueous (BCAE) and ethanolic extracts (BCEE) obtained from the aerial parts can be used as an alternative to some synthetic drugs. In vitro, DPPH, FRAP and TAC are three tests used to measure antioxidant efficacy.

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A simple and versatile preparation of Zn(II)-poly(carboxylates) reticulated binders by the addition of Zn(II) precursors (ZnSO, ZnO, or Zn(NO)) into a preoptimized poly(carboxylic acids) binder solution is proposed. These binders lead systematically to a significantly improved electrochemical performance when used for the formulation of silicon-based negative electrodes. The formation of carboxylate-Zn(II) coordination bonds formation is investigated by rheology and FTIR and NMR spectroscopies.

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Phenolic Composition, Wound Healing, Antinociceptive, and Anticancer Effects of Extracts.

Molecules

February 2023

Laboratory of Biotechnology, Health, Agrofood and Environment (LBEAS), Faculty of Sciences Dhar El Mehraz, Sidi Mohamed Ben Abdellah University, Fez 30000, Morocco.

(Guss.) is an important medicinal plant widely used in Morocco for various traditional purposes. Our work aimed to evaluate the phenolic composition, wound healing, antinociceptive, and anticancer activities of extracts.

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Antibacterial, Antioxidant, and NADPH Oxidase Inhibition Studies of Essential Oils of against Foodborne Pathogens.

Evid Based Complement Alternat Med

February 2023

Laboratory of Biotechnology, Environment, Agri-Food and Health, Faculty of Sciences Dhar El Mahraz, Sidi Mohamed Ben Abdellah University, P.O. Box 1796, Atlas, Fez 30000, Morocco.

Article Synopsis
  • The study explores the antimicrobial and antioxidant properties of essential oils (EOs) from Moroccan plants, focusing on linalool, the main component.
  • A gas chromatography-mass spectrometry analysis revealed that linalool constituted 49.71% of the EO, showing significant antioxidant activity and effectiveness against various foodborne pathogens, especially Gram-positive and Gram-negative bacteria.
  • Findings suggest that Moroccan EOs could serve as natural preservatives in food packaging, helping to prevent lipid oxidation and reduce risks of foodborne infections.
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Article Synopsis
  • - Sarcomas are a diverse group of cancers (over 100 types) that originate from mesenchymal tissue and make up about 1% of adult cancers; treatment typically involves surgery, radiation, and chemotherapy, especially for advanced cases.
  • - The outlook for patients with metastatic sarcomas is poor, creating a need for new treatments, with immunotherapy showing promise but still needing further research for specific types.
  • - Various immunotherapy methods, such as antibodies and cancer vaccines, are being tested in clinical trials for sarcomas, but results have been inconsistent and their practical use in treatment is still limited.
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Article Synopsis
  • - The study focused on analyzing the chemical makeup and health benefits of fruit (SFr) and leaf (SF) extracts from the plant var. obtusifolium, using techniques like HPLC-DAD and colorimetric methods to identify key compounds like luteolin and quercetin.
  • - Results showed both fruit and leaf extracts exhibited strong antioxidant activity, with SFr displaying particularly high antibacterial effects against various bacteria and potent antifungal properties.
  • - In silico studies revealed that the compounds present in both extracts have significant potential for interaction with important biological receptors, indicating their possible health benefits.
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