Search Results - "Obeidat, Safwan"
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Investigation of Butter Adulteration with Margarine Using 1H NMR and PCA
Published in Applied magnetic resonance (01-08-2020)“…In this work, the assessment of butter and margarine using 1 H nuclear magnetic resonance (NMR) spectroscopy and principal component analysis (PCA) was…”
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Identification and quantification of diethylene glycol contamination in glycerine raw material
Published in Spectroscopy letters (02-01-2019)“…Fourier-transform infrared spectroscopy (FTIR) was successfully used for quantitative determination of diethylene glycol in glycerin raw material. In addition…”
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Aroma Profile of Two Populations of Salvia verbenaca Collected from Two Bio‐Geographical Zones from Jordan
Published in Chemistry & biodiversity (01-02-2020)“…The aroma emitted from the different organs of two Salvia verbenaca L. populations from Jordan were extracted by Solid Phase Micro‐Extraction (SPME) and then…”
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FT-IR Spectroscopy for the Detection of Diethylene Glycol (DEG) Contaminant in Glycerin-Based Pharmaceutical Products and Food Supplements
Published in Acta chimica Slovenica (01-06-2020)“…Identification and determination of diethylene glycol (DEG) in glycerin-based products was successfully achieved using FT-IR spectroscopy. Studied samples…”
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The Use of 1H NMR and PCA for Quality Assessment of Gasoline of Different Octane Number
Published in Applied magnetic resonance (01-08-2015)“…In this study, successful discrimination between two types of gasoline of different octane number (90 and 95) was achieved. 24 samples of each type of gasoline…”
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Aroma Profiles Analysis of Two Populations of Salvia palaestina Benth. Collected from Mediterranean and Irano-Turanian Zones in Jordan
Published in Journal of Oleo Science (01-01-2021)“…The volatile principles emitted from different aerial organs of two S. palaestina Benth. populations (Mediterranean (Med) and Irano-Turanian (IrT)) growing…”
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Study of Fuel Assessment and Adulteration Using EEMF and Multiway PCA
Published in Energy & fuels (21-08-2014)“…In this work classification of several petroleum products (gasoline, diesel, and kerosene) and some organic solvents (hexane, paint thinner) using the…”
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Microbiological analysis, antimicrobial activity, and heavy-metals content of Jordanian Ma’in hot-springs water
Published in Journal of infection and public health (01-11-2017)“…Abstract Ma’in hot springs are known as sites of balneotherapy. However, little is known about their microbiology and chemistry. In this study, we aim at…”
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Multivariate Calibration and 1H NMR Spectroscopy for Uncovering Fuel Adulteration
Published in Applied magnetic resonance (01-11-2016)“…In this work, the classification of three fuel types (gasoline, diesel, and kerosene) using 1 H nuclear magnetic resonance (NMR) spectroscopy and principal…”
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Intercomparative investigation of the total phenols, total flavonoids, In vitro and In vivo antioxidant activities of capparis Cartilaginea (Decne.) maire and weiller and Capparis Ovata Desf. from Jordan
Published in Pharmacognosy Magazine (01-04-2018)“…Background: Plant-derived antioxidants have been products of choice in therapeutic formulations for their potent free radical scavenging activity and…”
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Antioxidant activity of crude extracts and essential oils from flower buds and leaves of Cistus creticus and Cistus salviifolius
Published in Arabian journal of chemistry (01-07-2020)“…Volatile oils from flowers and leaves of C. creticus L. and C. salviifolius L. were extracted by two extraction methods; namely, hydrodistillation and…”
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Difference in time dependence of surface-enhanced Raman scattering spectra of thiacarbocyanine J- and H-aggregates adsorbed on single silver nanoaggregates
Published in Chemical physics letters (25-06-2010)“…The short, medium, and long SERS decay times (half lifetimes) of thiacarbocyanine aggregate correspond to three types of adsorption of a small number of the…”
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Investigations on the Physical Structure and the Mechanism of Drug Release from an Enteric Matrix Microspheres with a Near-Zero-Order Release Kinetics Using SEM and Quantitative FTIR
Published in AAPS PharmSciTech (2009)“…The objectives of this study were to evaluate the physical structure and the release mechanisms of theophylline microspheres made of Eudragit S 100 polymer as…”
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Application of multi-way data analysis on excitation–emission spectra for plant identification
Published in Talanta (Oxford) (30-04-2007)“…The ability to distinguish among diets fed to Damascus goats using excitation–emission luminescence spectra was investigated. These diets consisted of Medicago…”
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Use of Fluorometry to Differentiate Among Clipped Species in the Genera Astragalus, Oxytropis, and Pleuraphis
Published in Rangeland ecology & management (01-09-2006)“…A rapid and reproducible method to determine botanical composition of forage is an ecological and economic goal for range animal ecologists. Multidimensional…”
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Aroma Profiles Analysis of Two Populations of Salvia palaestina Benth. Collected from Mediterranean and Irano-Turanian Zones in Jordan
Published in Journal of Oleo Science (2021)“…The volatile principles emitted from different aerial organs of two S. palaestina Benth. populations (Mediterranean (Med) and Irano-Turanian (IrT)) growing…”
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Volatile Components Analysis, Total Phenolic, Flavonoid Contents, and Antioxidant Activity of Phlomis Species Collected from Jordan
Published in Journal of essential oil-bearing plants (Dehra Dun) (04-05-2018)“…In this study, the composition of the essential oil, flavonoid and phenolic contents, and the antioxidant activities of three Phlomis species from Jordan (P…”
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Pb in medicinal plants from Jordan
Published in Environmental chemistry letters (01-03-2013)“…This is the first report on Pb in medicinal herbs from Jordan. Medicinal herbs may present a health risk due to the presence of toxic metals. Seventy-nine dry…”
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Patterns in Volatile Emission of Different Organs of Inula viscosa growing wild in Jordan
Published in Journal of essential oil-bearing plants (Dehra Dun) (02-01-2017)“…In the current investigation, Volatile Organic Compounds (VOCs) spontaneously emitted from the different organs of Inula viscosa growing wild in Jordan were…”
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