A5111847012- Essential Oils and Antimicrobial Activity
- Hydrogen Storage and Materials
- Rare-earth and actinide compounds
- Phytochemistry and Biological Activities
- Inorganic Chemistry and Materials
- Nuclear Materials and Properties
- Crystallization and Solubility Studies
- Plant biochemistry and biosynthesis
- Heavy metals in environment
- Fermentation and Sensory Analysis
- Horticultural and Viticultural Research
- Boron and Carbon Nanomaterials Research
- Sesquiterpenes and Asteraceae Studies
- Advanced Chemical Physics Studies
- Microfluidic and Capillary Electrophoresis Applications
- Water Quality and Pollution Assessment
- Radioactivity and Radon Measurements
- X-ray Diffraction in Crystallography
- Nitric Oxide and Endothelin Effects
- Toxin Mechanisms and Immunotoxins
- Synthesis and characterization of novel inorganic/organometallic compounds
- Analytical Chemistry and Sensors
- Spectroscopy and Chemometric Analyses
- Magnetic Properties of Alloys
- Groundwater and Isotope Geochemistry
Holy Spirit University of Kaslik
2015-2025
Lebanese University
2019
Centre National de la Recherche Scientifique
2008-2016
Université Paris-Sud
2016
Esprit (Slovakia)
2008-2012
Institut de Chimie de la Matière Condensée de Bordeaux
2012
Université de Bordeaux
2012
Nantes Université
2008
Many Lamiaceae species are consumed in the Lebanese cuisine as food or condiment and largely used traditional medicine of Lebanon to treat various diseases, including microbial infections. In this article we report medicinal uses eleven species: Coridothymus capitatus L., Lavandula stoechas angustifolia Mill., Mentha spicata L. subsp. condensata, Origanum syriacum Rosmarinus officinalis, Salvia fruticosa Miller., Satureja cuneifolia Ten., thymbra Thymbra Vitex agnus-castus study chemical...
Etertec HQ-6100 dry film photoresist was used in this work to fabricate soft-lithography masters applied microfluidic applications. We demonstrated that the use of a convenient alternative conventional microfabrication approaches based on DRIE and liquid photoresists for fast-prototyping structures. Our method at least two times faster than processes required limited investment equipments. Finally, approach design fabrication networks gradient generation bulk solution.
Fugitive dust emission, transport and deposition from phosphate fertilizer industries may pose an environmental hazard to the surrounding environment, particularly soil. This study is evaluate such by investigating fate of airborne pollutants, their transfer atmosphere soil surface, contamination potential. Concentrations elements were measured in samples. Elemental analyses carried out using ICP-AES ICP-MS. Analysis speciation trace elements, a sequential extraction method, was performed on...
The essential oils ( EO s) of the aerial parts Origanum libanoticum and ehrenbergii , endemic to Lebanon, syriacum Levantine, were obtained by distillation with a Clevenger apparatus. GC / MS allowed identification 96.4%, 93.5%, 95.2% their constituents, respectively. Carvacrol was major component both O. (79%) (60.8%). This compound absent in compounds β‐ caryophyllene (26.8%), oxide (22.6%), germacrene D (17.2%). assessment antimicrobial activity against Candida albicans six pathogenic...
To valorize olive stones, this study focuses on the composition of their dilute-acid hydrolysate DAH and aims to highlight effect overliming process achieve an effective treatment that maximizes sugar concentrations while minimizing number toxic materials. The examined impact pH (10 12), temperature (25 60 °C), detoxification time (15, 30, min) viability vitality M. pulcherrima S. cerevisiae, using experimental design 2231. Detoxification was significantly influenced by temperature, with...
The essential oils (EOs) isolated from the leaves and twigs of Juniperus excelsa M.Bieb. growing wild in Lebanon were characterized, their antimicrobial activity antiradical capacity evaluated. EOs obtained by hydrodistillation using a Clevenger-type apparatus characterized GC GC/MS analyses. was evaluated determining minimal inhibitory concentrations (MICs) against Gram-positive Gram-negative bacterium, yeast, dermatophyte with broth microdilution technique. A total 28 constituents...
The chemical composition and antimicrobial activity of the essential oils (EOs) six conifers harvested in Lebanon, Abies cilicica, Cupressus sempervirens, Juniperus excelsa, oxycedrus, Cedrus libani macrocarpa gold crest, were investigated. EOs obtained by hydrodistillation using a Clevenger-type apparatus characterized GC GC/MS analyses. A principal components analysis based on Pearson correlation between analyses was also conducted. minimum inhibitory concentrations (MICs) these essentials...
This study deals with the variation in yield and composition of Lebanese Origanum syriacum L. essential oil ( EO ) according to harvesting time, drying methods used, geographical location. Plant material was harvested twice a month all over 2013 2014 from Qartaba Achkout located at high altitude Byblos low altitude. s aerial parts were obtained by hydrodistillation. The highest yields full flowering stage slightly reduced after flowering. GC / MS analysis revealed presence 50 components...
The Apiaceae species are largely used in folk medicine to treat many diseases, including microbial infections. essential oils (EOs) of Prangos asperula Boiss., Daucus carota L. subsp. maximus, Ferula elaeochytris Korovin and Smyrnium olusatrum were analysed by GC, GC-MS NMR. major components as follows: sabinene (29.8%) β-phellandrene (19.2%) found the P. fruit oil; α-pinene (27.4%) carotol (26.3%) D. flower (71.8%) was compound F. S. flowerings tops EO mainly composed furanodiene (44.6%)...
The essential oils were extracted by hydrodistillation from Satureja cuneifolia, thymbra, Coridothymus capitatus, Thymus syriacus , and Thymbra spicata growing wild in Lebanon. Their phytochemical analysis performed GC / MS showed that the aforementioned species are characterized either carvacrol (60.9%) or thymol (54.3%) a more less equal amounts of these two phenols. Assessment their vitro antimicrobial activity against Candida albicans six pathogenic bacteria using broth dilution method...
Le bassin versant du Narh Ibrahim est classé parmi les sites patrimoine mondial. Les rejets sauvages solides et liquides ont un impact important sur le développement d’une contamination bactériologique tout au long de la rivière. Dans cette étude, des paramètres physico-chimiques bactériologiques été suivis neuf prélèvement qui couvrent rivière Nahr son amont jusqu’à estuaire. L’ensemble étudié pendant périodes l’année caractérisées par temps sec ou crue. Au cours ces périodes, révélé une...
Abstract Rosa damascena Mill. is used for essential oil production in many regions the world. Surveys conducted Lebanon showed that Lebanese people still widely use R. its multiple varieties to produce rose water. In this study seven cultivars of growing different ecosystems were collected from several Lebanon. The has been extracted by steam distillation and analyzed gas chromatography coupled mass spectrometry GC/MS equipped with a flame ionizing detector GC/FID. investigated factors...