587 results match your criteria: "Abdelmalek Essaadi University.[Affiliation]"

Transitional waters, including coastal ponds, represent unique environments. These distinct ecosystems are often among the most severely polluted systems due to intensive human activities. Our study marks the first evaluation of aquatic invertebrates associated with plastic litter in two brackish ponds.

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Characterizing and optimizing adsorption for olive mill wastewater processing in Loukkos, Morocco.

Environ Monit Assess

December 2023

Laboratory of Advanced Materials and Process Engineering, Department of Chemistry, Faculty of Sciences, Ibn Tofaïl University, P.O. Box 14000, Kenitra, Morocco.

The present research consists of studying the characterization and treatment of the olive mill wastewater (OMWW) resulting from the olive industries of the region of Loukkos, Morocco. According to the national plan for green Morocco, the annual volumes of OMWW discharges increase with the expansion of the areas of olive plantations compared to agricultural activities. The study of the organic, mineral, and microbiological composition of the obtained OMWW showed that they are rich in microbiological (FMAT, Let M.

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Compression of the posterior interosseous nerve secondary to a synovial cyst: Case report and review of the literature.

Int J Surg Case Rep

January 2024

CHU Mohammed VI Tangier, Department of Orthopedic Traumatology, Faculty of Medicine and Pharmacy of Tangier, Abdelmalek Essaadi University.

Introduction And Importance: Posterior interosseous nerve syndrome secondary to compression by a synovial cyst at the elbow is a rare and often unrecognized pathology. Early management relies on complete neurolysis to achieve satisfactory functional recovery. Increasing awareness among the orthopedics will help in the early diagnosis of the disease and in the initiation of early and proper treatment.

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L. is the main woody tree species in the Mediterranean basin. The regeneration from adult material, through primary somatic embryogenesis, is a well-known process, but the use of secondary somatic embryos for plant regeneration remains a very sparsely studied process.

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Forecasting short-term solar radiation is crucial for many solar energy applications. Additionally, solar energy has a lower environmental impact than conventional sources like fossil fuels and can be used for investment purposes through the construction of large solar farm facilities. To test, evaluate, and compare various solar radiation models, short-term observations of meteorological, astronomical, computational, and geographical data were collected at two distinct locations from 2012 to 2015.

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Sage leaf rock rose water extract: a bio-solution for enhancing the growth and salt stress resistance of sorghum plants.

Physiol Mol Biol Plants

September 2023

Laboratory of Biochemistry and Molecular Genetics, Faculty of Sciences and Technologies of Tangier, University Abdelmalek Essaadi, Km 10, Ziaten. BP: 416, Tetouan, Tangier, Morocco.

, a versatile cereal grain, holds significant agronomic importance globally and plays a crucial role in addressing food insecurity. However, salinity, a major abiotic stress, poses a threat to food production by reducing soil fertility and hindering plant growth and yield. In this study, we investigated the potential of water extract (CSE) in mitigating salt stress in sorghum plants.

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Lipidomic profiling reveals phenotypic diversity and nutritional benefits in L. (Fig.) seed cultivars.

Front Plant Sci

November 2023

Agro-Food Technology and Quality Laboratory, Regional Center of Agricultural Research of Meknes, National Institute of Agricultural Research, Rabat, Morocco.

Introduction: L. seeds are a substantial source of minor oil with high unsaturation levels and potent antioxidant properties. The study aims to evaluate the mineral composition, lipodomic profile, and vibrational fingerprints of 22 fig genotypes utilizing FTIR-ATR techniques and chemometrics.

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In the present study, the Density Functional Theory (DFT) was employed to computationally investigate the potential application of newly developed lead-free perovskites with the formula of TlSnX (X = Cl, Br, or I) as absorbers in the perovskite solar cells and as thermoelectric materials. The Quantum Espresso code was implemented to optimize the structural configuration of the perovskites and to compute a range of their properties, including their elasticity, electronic behavior, optical characteristics, and thermoelectric attributes. The findings indicated that these perovskite materials exhibit both chemical and structural stability and that TlSnBr and TlSnI perovskites possess high dynamic stability.

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Objective: To evaluate the use of social media (SM) as a source of health information among patients with chronic low back pain (LBP) and to evaluate the factors associated with this use.

Methods: This was a cross-sectional study involving patients with chronic LBP. Information on their sociodemographics, LBP characteristics, and comorbidities was collected.

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Characterization of the Bacterial Profile from Natural and Laboratory Populations.

Insects

October 2023

Laboratory of Systems Microbiology and Applied Genomics, Department of Sustainable Agriculture, University of Patras, 2 Seferi St, 30131 Agrinio, Greece.

Article Synopsis
  • Tsetse flies are blood-feeding flies found only in sub-Saharan Africa and are key vectors for diseases caused by African trypanosomes affecting both humans and animals.
  • A study used high-throughput sequencing to explore the diversity of symbiotic bacteria in various wild and lab populations of tsetse flies, focusing on factors such as developmental stage, age, gender, and location.
  • Results revealed that wild populations had more diverse bacterial communities than lab ones, with notable differences between larval and adult microbiota, while certain bacterial genera were predominant across all samples.
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Alkene planar chirality is introduced in the 'privileged' P-alkene phosphoramidite ligand 1. The resulting diastereomeric ligands (p)-5 and (p)-5 form optically pure complexes of Rh(I) and Pd(II), which catalyze conjugate additions of boron C-nucleophiles to enones and allylic alkylations, respectively. In the Rh-catalyzed reaction, the planar chirality of the alkene exerts absolute enantiocontrol over the potent BINOL auxiliary.

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Unusual False Positive on Tc-Tektrotyd Scintigraphy Mimicking Bone Metastasis.

Nucl Med Mol Imaging

December 2023

Nuclear Medicine Department, Mohammed VI University Hospital, Cadi Ayyad University, Marrakech, Morocco.

Somatostatin receptor scintigraphy is a key diagnostic tool in the initial staging and therapeutic evaluation of neuroendocrine tumors. Its specificity can be compromised by the presence of false positives. We illustrate here the case of a vertebral hemangioma detected on Tc-Tektrotyd scintigraphy as an incidental finding in a 34-year-old man referred for the staging of a well-differentiated neuroendocrine tumor of the ampulla of Vater (Fig.

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Background: Central sensitization (CS) is becoming increasingly recognized as a significant factor in many chronic pain conditions, including knee osteoarthritis (KOA) and chronic low back pain (CLBP). Yet it presently remains unclear how strong is the involvement of CS in KOA and CLBP and which factors are involved in CS in these two chronic disabling diseases.

Methods: This is a cross-sectional study in which included a total of 178 patients with KOA and 118 patients with CLBP.

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The stability, sensitivity, and volatility of essential oils are some of their most serious limitations, and nanoencapsulation has been considered one of the most effective techniques for solving these problems. This research aimed to investigate the incorporation of Salvia rosmarinus Speen and Cedrus atlantica Manetti (MEO) essential oil mixture in Gum Arabic (GA) and to evaluate nanoencapsulation's ability to promote antifungal activity against two brown rot fungi responsible for wood decay Gloeophyllum trabeum and Poria placenta. The optimization of encapsulation efficiency was performed using response surface methodology (RSM) with two parameters: solid-to-solid (MEO/GA ratio) and solid-to-liquid (MEO/ethanol).

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Objective: To assess the attractiveness of a career in rheumatology among Moroccan medical students and to study factors that motivate or demotivate them to choose rheumatology as a future career.

Methods: An electronic survey was distributed among students in medical training, interns, and graduates from the Faculty of Medicine at the University Hospital of Tangier. The questionnaire evaluated the level of clinical exposure to rheumatology, the interest in rheumatology as a specialty, and the motivation or demotivation for choosing or not choosing rheumatology as a career.

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Article Synopsis
  • * It highlights the importance of combining similarity scores of gene ontology terms to identify candidate genes, utilizing machine learning for classification and network analysis.
  • * The study validates its findings through a case study on glomerular diseases, focusing on specific tissues and their gene expression patterns.
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Current legislation mandates the inspection and calibration of operational survey radiation monitoring instruments used in nuclear medicine, radiotherapy departments, and other fields utilizing ionizing radiation sources. To comply with national and international radiation protection standards, Morocco's National Secondary Standard Dosimetry Laboratory provides reliable calibration results with high accuracy and covers various measurement ranges using attenuators provided by the automated Gamma G10 irradiator or validated beam qualities produced by the X-ray irradiator type X80-320 kV. This study aims to develop a digital graphical user interface using Python programming language, designed for calibrating radiation protection measuring instruments .

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Identification of novel dual acting ligands targeting the adenosine A2A and serotonin 5-HT1A receptors.

J Biomol Struct Dyn

November 2024

Laboratory of Innovative Technologies, National School of Applied Sciences of Tangier, Abdelmalek Essaadi University, Tetouan, Morocco.

GPCRs are a family of transmembrane receptors that are profoundly linked to various neurological disorders, among which is Parkinson's disease (PD). PD is the second most ubiquitous neurological disorder after Alzheimer's disease, characterized by the depletion of dopamine in the central nervous system due to the impairment of dopaminergic neurons, leading to involuntary movements or dyskinesia. The current standard of care for PD is Levodopa, a dopamine precursor, yet the chronic use of this agent can exacerbate motor symptoms.

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The Asteraceae family is well known for its toxic and repellent activity against mosquitoes. In this study, essential oils (EOs) extracted from the aerial parts of both wild and cultivated L. plants were tested for larvicidal activity against (Diptera: Culicidae), a pest mosquito widely suspected to be the vector responsible for West Nile virus transmission.

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Land cover and crop types mapping using different spatial resolution imagery in a Mediterranean irrigated area.

Environ Monit Assess

October 2023

GATE Team (Géoinformation, Aménagement du Territoire et Environnement), Faculty of Sciences and Technologies of Tangier (FSTT), Abdelmalek Essaadi University, 93000, Tetouan City, Morocco.

Crop type identification is critical for agricultural sustainability policy development and environmental assessments. Therefore, it is important to obtain their spatial distribution via different approaches. Medium-, high- and very high-resolution optical satellite sensors are efficient tools for acquiring this information, particularly for challenging studies such as those conducted in heterogeneous agricultural fields.

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Antibiotic resistance patterns in nosocomial infections: preliminary data from Hospital of Al-Hoceima, Morocco.

J Infect Dev Ctries

September 2023

Research Team of Water and Environmental Management, Laboratory of Applied Sciences, National School of Applied Sciences Al-Hoceima, Abdelmalek Essaadi University, Tetouan, Morocco.

Introduction: Nosocomial infections or healthcare-associated infections (HCAIs) represent a public health problem. The burden of antibiotic resistance in these infections is still unclear in Morocco. The objective of this study was to describe antibiotic susceptibility of the main bacteria responsible for nosocomial infections in order to propose prevention measures.

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Marine organisms such as fish and shellfish are composed of compounds with properties and characteristics that have been proven useful in a variety of sectors such as cosmetics, healthcare (wound healing), food industries, and tissue engineering. Collagen extraction from fish waste as a "blue resource" has attracted research attention over the past decade. Around 75 % of fish waste contains a high concentration of collagen.

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Prevalence of epilepsy in Morocco: A population-based study.

Epilepsia Open

December 2023

Clinical Neurosciences Laboratory, Faculty of Medicine and Pharmacy, Sidi Mohamed Ben Abdellah University, Fez, Morocco.

Objective: In Morocco, there was a lack of data related to the epidemiology of epilepsy. This data serves as a useful basis for the development of any national intervention or action program against epilepsy in Morocco. Through this study, we aimed to estimate the active and lifetime prevalence of epilepsy in Morocco.

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Optimisation of Three Essential Oils against Salmonella spp. and Escherichia coli by Mixture Designa.

Chem Biodivers

November 2023

Laboratory of Biochemistry, Faculty of Medicine, Pharmacy and Dental Medicine, University Sidi Mohammed Ben Abdellah, BP, 1893, Km 22, Road of Sidi Harazem, Fez, Morocco.

The aim of this work is to optimise the antibacterial activity of essential oils (EOs) from Eucalyptus camaldulensis (ECEO), Mentha pulegium (MPEO) and Rosmarinus officinalis (ROEO) plants against Salmonella spp. and Escherichia coli. The qualitative antimicrobial effect was assessed using the disc diffusion method, the broth microdilution method was used to determine the minimum inhibitory concentrations (MIC).

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L. is a Mediterranean plant, commonly known as Blue Tansy due to its blue colour as an essential oil, which is widely used for medicinal purposes. However, there are no studies on the bioactive compounds (especially, phenolic compounds) and the biological properties of their organic extracts.

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