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السجلات المعروضة 5317 -- 5336 من 26404
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Crystal hydration and vacancy enhanced isotopic exchange reactions in Heterogeneous solid - liquid systems
( Qatar University , 1994 , Article)The rate of some heterogeneous isotopic exchange reactions can be enhanced by the simultaneous hydration of the solid participating in the exchange process. The results presented here show that the concomitant hydration ... -
Crystal structure and spectral of new hydrazine-pyran-dione derivative: DFT enol↔hydrazone tautomerization via zwitterionic intermediate, hirshfeld analysis and optical activity studies
( Elsevier , 2020 , Article)A novel functionalized Schiff base derivative, (E)-3-(1-(2-(9H-fluoren-9-ylidene)hydrazineyl)ethylidene)-6-methyl-2H-pyran-2,4(3H)-dione, was synthesized via subsequent condensation/tautomerization processes in a high ... -
Crystal structure of (E)-2-{[(6-methoxy-1,3-benzothiazol-2-yl)imino]methyl}phenol
( International Union of Crystallography , 2015 , Article)The title compound, C15H12N2O2S, crystallizes in the orthorhombic space group Pna21, with two molecules in the asymmetric unit (Z′ = 2). Each molecule consists of a 2-hydroxy Schiff base moiety linked through a spacer ... -
Crystal structure of (E)-furan-2-carbaldehyde O-benzoyloxime
( International Union of Crystallography , 2017 , Article)In the title compound, C12H9NO3, the benzoate and furan rings are almost coplanar, making a dihedral angle of 11.68 (9)°. The twist angle between the –COO group and the benzene ring is only 2.79 (16)°. In the crystal, ... -
Crystal structure of the thalidomide analog (3aR∗,7aS∗)-2-(2,6-dioxopiperidin-3-yl)hexahydro-1H-isoindole-1,3(2H)-dione
( International Union of Crystallography , 2018 , Article)The title compound, C13H16N2O4, crystallizes in the monoclinic centrosymmetric space group, P21/c, with four molecules in the asymmetric unit, thus there is no crystallographically imposed symmetry and it is a racemic ... -
Crystal structure, spectral, thermal and experimental/computational investigation of Anthracen-benzo[d]thiazol-2-amine new Schiff base derivative
( Elsevier B.V. , 2021 , Article)The N-S-N-tridentate ((E)-N-(anthracen-9-ylmethylene)benzo[d]thiazol-2-amine product was made available by dehydration of 2-Aminobenzothiazole with 9-anthraldehyde under non-classical microwave condition, five-minute ... -
Crystallization and dielectric behavior of PLA and PHBV in PLA/PHBV blends and PLA/PHBV/TIO 2 nanocomposites
( BME-PT and GTE , 2019 , Article)The morphology, crystallization behavior and mechanical properties of PLA, PHBV and their blends and nanocomposites with TiO 2 as filler were investigated. An uncommon morphological change was observed with increasing PLA ... -
CS-based fall detection for connected health applications
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)Fall-related injuries of elderly people have become a major public-health burden resulting in direct physical, physiological and financial costs to the surfer and indirect societal costs. Automated fall detectors play a ... -
CS<inf>2</inf> mediated synthesis of corrosion-inhibiting mercaptobenzothiazole molecule for industrial zinc: Experimental studies and molecular dynamic simulations
( Elsevier B.V. , 2021 , Article)In this study, 2-mercaptobenzothiazole (MBT) was synthesized from a CS2 mediated formation scheme involving a catalyzed reaction between aminophenyl disulfide with metal sulfide under N2 atmosphere. The formation mechanism ... -
CTGF Loaded Electrospun Dual Porous Core-Shell Membrane For Diabetic Wound Healing
( Dove Medical Press Ltd. , 2019 , Article)Purpose: Impairment of wound healing is a major issue in type-2 diabetes that often causes chronic infections, eventually leading to limb and/or organ amputation. Connective tissue growth factor (CTGF) is a signaling ... -
CTLA4-Ig (abatacept): a promising investigational drug for use in type 1 diabetes.
( Taylor & Francis , 2020 , Article Review)Type 1 diabetes (T1D) is an autoimmune disease that results from the destruction of insulin-producing beta cells in the pancreas; it leads to the under or nonproduction of insulin. T1D is associated with numerous ... -
Cu and Ni Co-sputtered heteroatomic thin film for enhanced nonenzymatic glucose detection
( Nature Research , 2022 , Article)In this work, we report a wafer-scale and chemical-free fabrication of nickel (Ni) and copper (Cu) heteroatomic Cu–Ni thin films using RF magnetron sputtering technique for non-enzymatic glucose sensing application. The ... -
Cu-Ce-O catalyst revisited for exceptional activity at low temperature CO oxidation reaction
( Elsevier B.V. , 2018 , Article)In the present study, CexCu1−xO2−δ (x = 0, 0.3, 0.5, 0.8, 0.9, and 1) catalysts were synthesized using a facile and reproducible combustion method and were evaluated towards the CO oxidation (CO-OX) and CO preferential ... -
Cucurbituril Ameliorates Liver Damage Induced by Microcystis aeruginosa in a Mouse Model
( Frontiers , 2021 , Article)Microcystis aeruginosa is a cyanobacterium that produces a variety of cyclic heptapeptide toxins in freshwater. The protective effects of the macromolecular container cucurbit[7]uril (CB7) were evaluated using mouse models ... -
Cultivating Change: Perceptions and Attitudes of Agricultural Experts towards the Sustainable Development Goals
( Multidisciplinary Digital Publishing Institute (MDPI) , 2023 , Article)The agricultural sector is crucial to attaining the Sustainable Development Goals (SDGs) since it ensures food security, protects natural resources, and promotes rural livelihoods. However, the success of sustainable ... -
Cultivating Creativity of Graphic Design and Multimedia Students: The Perceptions of Arab Faculty and Experts
( SAGE Publications , 2021 , Article)While a consensus has emerged on the importance of creativity in graphic design and multimedia field, little systematic research has attempted to understand its facilitators or inhibitors in the graphic and multimedia ... -
Cultivating Curiosity by integrating art in science through photography
( Qatar University Press , 2020 , Poster)Arts-integrated science is a tantalizing educational approach that captures the attention of scientific learners through the lighter side of science. This study highlights the findings of a school-based applied research ... -
Cultivating microalgae in desert conditions: Evaluation of the effect of light‐temperature summer conditions on the growth and metabolism of nannochloropsis qu130
( MDPI , 2021 , Article)Temperature and light are two of the most crucial factors for microalgae production. Variations in these factors alter their growth kinetics, macromolecular composition and physiological properties, including cell membrane ... -
Cultivating STEM Interest in High School Students through Computer-assisted COVID-19 Pandemic Awareness Course
( IIKII , 2022 , Article)Due to the COVID-19 pandemic, students were sidetracked by the shift in the educational process, primarily in the field of STEM (science, technology, engineering, mathematics) education. Teachers were also besieged to find ... -
Cultural awareness and competence of pharmacy educators and learners from the perspective of pharmacy students at Qatar University: A mixed-methods approach
( Public Library of Science , 2020 , Article)Background Since healthcare professional educators and practitioners in Qatar are culturally diverse, the impact of this diversity on the education and training of healthcare students should be evaluated. This study, ...
