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    تصفح Central Laboratories Unit Research حسب العنوان

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    السجلات المعروضة 101 -- 120 من 124

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      • Thumbnail

        Selection of Bacillus spp. with decontamination potential on multiple Fusarium mycotoxins 

        Ul Hassan, Zahoor; Al Thani, Roda; Alsafran, Mohammed; Migheli, Quirico; Jaoua, Samir ( Elsevier , 2021 , Article)
        Along with Aspergillus and Penicillium spp., mycotoxins produced by Fusarium species are important contaminants in food and feed industry. This study was designed to investigate the biodegradation potential of a collection ...
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        Significance of Triazole in Medicinal Chemistry: Advancement in Drug Design, Reward and Biological Activity. 

        Ajmal, Mohammad; Mahato, Arun Kumar; Khan, Mausin; Rawat, Shivani; Husain, Asif; Almalki, Emad Bakheet; Alzahrani, Mohammed Ahmed; Haque, Anzarul; Hakme, Mohammed Japer Mohammed; Albalawi, Ahmed Suleman; Rashid, Mohd... more authors ... less authors ( Wiley , 2024 , Article Review)
        One of the triazole tautomers, 1,2,4-triazole derivatives, has a wide range of biological activities that suggest its potential therapeutic utility in medicinal chemistry. These actions include anti-inflammatory, anti-cancer, ...
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        Spectrophotometric Determination of the Honey Bee Quality 

        Alsafran, Mohammed H.; Akkbik, Mohammed; Ahmadi, Ahmad A.; Ahmad, Mohammad I. ( Qatar University Press , 2021 , Poster)
        Honey produced by bees from nectar in flowers and plants, is an aqueous supersaturated sugar solution, mainly monosaccharide (fructose and glucose) (70%–80%) and water (10%–20%). 5-Hydroxymethylfurfural (5-HMF) content in ...
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        Stable and effective super-hydrophilic polysulfone nanofiber mats for oil/water separation 

        Obaid, M.; Barakat, Nasser A.M.; Fadali, Olfat A.; Al-Meer, Saeed; Elsaid, Khalid; Khalil, Khalil Abdelrazek... more authors ... less authors ( Elsevier Ltd , 2015 , Article)
        Hydrophobicity of polysulfone is the main constraint facing wide application in the most important field; water treatment, although this polymer shows promising characteristics to be used in different separation technologies. ...
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        Stable N-doped & FeNidecorated graphene non-precious electrocatalyst for Oxygen Reduction Reaction in Acid Medium 

        Barakat, Nasser A. M.; El-Deen, Ahmed G.; Ghouri, Zafar Khan; Saeed, Al-Meer ( Nature Publishing Group , 2018 , Article)
        NiFe nanoparticles-decorated & N-doped graphene is introduced as an effective and stable nonprecious electrocatalyst for ORR in the acid medium. Compared to conventional Pt/C electrodes under the same conditions, the ...
      • Surface-engineered Niosomes of Esculin Hydrate for the management of depression via intranasal route: Optimization, In vitro, Ex vivo and pharmacokinetic assessment 

        Alhowyan, Adel; Imran, Mohd; Haque, Anzarul; Kalam, Mohd Abul ( Elsevier B.V. , 2024 , Article)
        Present research explored the potential of surface-engineered niosomes of Esculin hydrate (ESCH), coated with chitosan, as a novel approach for managing depression through intranasal administration. Formulation optimization ...
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        Surfactant/organic solvent free single-step engineering of hybrid graphene-Pt/TiO2 nanostructure: Efficient photocatalytic system for the treatment of wastewater coming from textile industries 

        Ghouri, Zafar Khan; Elsaid, Khaled; Abdala, Ahmed; Al-Meer, Saeed; Barakat, NasserA. M. ( Nature Publishing Group , 2018 , Article)
        In this study, hybrid graphene-Pt/TiO2 nanostructure were synthesized by single-step, inexpensive and surfactant/organic solvent free route; hydrothermal technique. The physicochemical properties of hybrid graphene-Pt/TiO2 ...
      • Sustainable hydrogen production: Solar-powered biomass conversion explored through (Photo)electrochemical advancements 

        Boddula, Rajender; Lee, Yen-Yi; Masimukku, Srinivaas; Chang-Chien, Guo-Ping; Pothu, Ramyakrishna; Srivastava, Rajesh Kumar; Sarangi, Prakash Kumar; Selvaraj, Manickam; Basumatary, Sanjay; Al-Qahtani, Noora... more authors ... less authors ( Elsevier , 2024 , Article)
        The incorporation of biomass waste into the process of wealth creation through the production of hydrogen, a significant fuel source for renewable energy. Hydrogen production from various biomass sources, including crop ...
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        Synthesis and Physicochemical Studies of Perovskite Manganite La0.8Ca0.2Nn1−xCoxO3 (0 ≤ x ≤ 0.3) 

        Turki, D.; Ghouri, Zafar Khan; Al-Meer, Saeed; Elsaid, Khaled; Ahmad, M.I.; Easa, Ahmed; Ellouze, M.; Hlil, E.K.... more authors ... less authors ( The Korean Magnetics Society , 2017 , Article)
        The physicochemical properties of La0.8Ca0.2Mn1−xCoxO3 nanopowders as a function of Co content (x) have been investigated. La0.8Ca0.2Mn1−xCoxO3 nanopowders were synthesized by sol-gel method and morphologically and ...
      • Synthesis of 5-oxo-5H-chromeno[3,4-c]pyridine-1-carbonitriles and features of their NMR spectra 

        Shkoor, Mohanad; Su, Haw‐Lih; Ahmed, Suzan; Hegazy, Sarah ( Wiley , 2019 , Article)
        Two different methods leading to 5-oxo-5H-chromeno[3,4-c]pyridine-1-carbonitriles were investigated. Reactions of 3-aminocrotonirile with substituted salicylaldehydes provided 5-oxo-5H-chromeno[3,4-c]pyridine-1-carbonitriles ...
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        Synthesis of N -Heterocycles via Transition-Metal-Catalyzed Tandem Addition/Cyclization of a Nitrile 

        Hsieh, Jen Chieh; Su, Haw Lih ( Thieme Gruppe , 2020 , Article)
        The diverse methodologies to synthesize N -heterocycles through transition-metal-catalyzed cascade addition/cyclization of a nitrile are discussed in this review. Aspects relating to three types of transition-metal-catalyzed ...
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        Synthesis of Novel Aqua ƞ4-NNNO/Cu(II) Complexes as Rapid and Selective Oxidative Catalysts for O-Catechol: Fluorescence, Spectral, Chromotropism and Thermal Analyses 

        Shraim, Amjad M.; Salih, Kifah S.M.; Al-Soufi, Ranim E.; Al-Mhini, Soaad R.; Ahmad, Mohammad I.; Warad, Ismail... more authors ... less authors ( MDPI , 2021 , Article)
        A new tetradentate Schiff base (SB), (E)-4-fluoro-2-(1-((2-(piperazin-1-yl)ethyl)imino)ethyl)phe-nol, was synthesized from condensation of 2-(1-piperazinyl)ethylamine and 5-fluoro-2-hydroxyacetophe-none. This ligand was ...
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        Synthesis of thioether-functional poly(olefin)s via ruthenium-alkylidene initiated ring-opening metathesis polymerization 

        Gandra, Upendar Reddy; Podiyanachari, Santhosh Kumar; Hlil, Antsar R.; Kulai, Ihor; Al-Meer, Saeed; Al-Hashimi, Mohammed; Bazzi, Hassan S.... more authors ... less authors ( Wiley , 2019 , Article)
        Ring-opening metathesis polymerization (ROMP) of thioether-derived oxanorbornene imide (M1) and its copolymerization with various cycloolefin comonomers such as cyclopentene (M2), cyclopent-3-en-1-ol (M3), cycloheptene ...
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        Synthesis of thioether-functional poly(olefin)s via ruthenium-alkylidene initiated ring-opening metathesis polymerization 

        Gandra, Upendar Reddy; Podiyanachari, Santhosh Kumar; Hlil, Antsar R.; Kulai, Ihor; Al-Meer, Saeed; Al-Hashimi, Mohammed; Bazzi, Hassan S.... more authors ... less authors ( John Wiley and Sons Inc. , 2019 , Article)
        Ring-opening metathesis polymerization (ROMP) of thioether-derived oxanorbornene imide (M1) and its copolymerization with various cycloolefin comonomers such as cyclopentene (M2), cyclopent-3-en-1-ol (M3), cycloheptene ...
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        Systematic laboratory approach to produce Mg-rich carbonates at low temperature 

        Al Disi, Zulfa Ali; Zouari, Nabil; Attia, Essam; Al-Asali, Mazen; Al Saad Al-Kuwari, Hamad; Sadooni, Fadhil; Dittrich, Maria; Bontognali, Tomaso R.R.... more authors ... less authors ( Royal Society of Chemistry , 2021 , Article)
        Dolomite is a common Mg-rich carbonate in the geological record, but the mechanism of its formation remains unclear. At low temperature, the incorporation of magnesium ions into the carbonate minerals necessary to form ...
      • Targeting protein receptors and enzymes for precision management of urolithiasis: A comprehensive review 

        Ziyaul, Haque; Taleuzzaman, Mohamad; Jamal, Ruqaiya; Al-Qahtani, Noora H.; Haque, Anzarul ( Elsevier , 2024 , Article)
        Urolithiasis, characterized by the formation of solid crystalline structures within the urinary tract, presents a significant global health burden with high recurrence rates and limited treatment efficacy. Recent research ...
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        Transesterification of Jatropha curcas oil to biodiesel using highly porous sulfonated biochar catalyst: Optimization and characterization dataset 

        Ao, Supongsenla; Gouda, Shiva prasad; Selvaraj, Manickam; Boddula, Rajender; Al-Qahtani, Noora; Mohan, Sakar; Rokhum, Samuel Lalthazuala... more authors ... less authors ( Elsevier , 2024 , Article)
        The study involves a collection of data from the published article titled “Active sites engineered biomass-carbon as a catalyst for biodiesel production: Process optimization using RSM and life cycle assessment “Energy ...
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        Ultra-trace determination of 90Sr, 137Cs, 238Pu, 239Pu, and 240Pu by triple quadruple collision/reaction cell-ICP-MS/MS: Establishing a baseline for global fallout in Qatar soil and sediments 

        Amr, Mohamed A.; Helal, Abdul Fattah I.; Al-Kinani, Athab T.; Balakrishnan, Perumal ( Elsevier Ltd , 2016 , Article)
        The development of practical, fast, and reliable methods for the ultra-trace determination of anthropogenic radionuclides 90Sr, 137Cs, 238Pu, 239Pu, and 240Pu by triple quadruple collision/reaction cell inductively coupled ...
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        Ultra-trace Measurements of 210Pb in natural occurring radioactive materials by ICP-MS 

        Amr, M. A.; Al-Saad, K. A.; Helal, A. I. ( Elsevier , 2010 , Article)
        Collision cell inductively coupled plasma mass spectrometry (CC-ICP-MS) was investigated as a possible alternative to nuclear analytical techniques for the determination of 210Pb. The formation of isobaric and polyatomic ...
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        Ultratrace determination of strontium-90 in environmental soil samples from Qatar by collision/reaction cell-inductively coupled plasma mass spectrometry (CRC-ICP-MS/MS) 

        Al-Meer, S. H.; Amr, M. A.; Helal, A. I.; Al-Kinani, A. T. ( The American Society of Mechanical Engineers (ASME) , 2014 , Conference)
        Because of the very low level of 90Sr in the environmental soil samples and its determination by beta counting may take several weeks, we developed a procedure for ultratrace determination of 90Sr using collision reaction ...

        مركز المجموعات الرقمية لجامعة قطر هو مكتبة رقمية تديرها مكتبة جامعة قطر بدعم من إدارة تقنية المعلومات

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