Browsing Chemistry & Earth Sciences by Title
Now showing items 110-129 of 541
-
Constituents of Plants Growing in Qatar, Part XXXI: Lipid constituents of seventeen range plants growing in Qatar
(2002 , Article)A preliminary study on the nutritive values of 17 Qatari range plants -
Constituents of plants growing in Qatar: part xxviii. Constituents Of cistanche phelypaea
( Qatar University , 1995 , Article)Ten compounds were isolated from the methanolic extract of the aerial parts of Cistanche phelypaea (Orobanchaceae) and identified as echinacoside (1), tubuloside A (2), tubuloside E (3), acteoside (4), 2'-acetylacteoside ... -
Construction of Bi2S3/TiO2/MoS2 S-Scheme Heterostructure with a Switchable Charge Migration Pathway for Selective CO2 Reduction
( John Wiley and Sons Inc , 2021 , Article)Switching between the redox potential of an appropriate semiconductor heterostructure could show critical applications in selective CO2 reduction. Designing a semiconductor photocatalyst with a wavelength-dependent response ... -
Continuous adsorptive removal of glimepiride using multi-walled carbon nanotubes in fixed-bed column.
( Springer , 2021 , Article)Water pollution by emerging pollutants such as pharmaceutical and personal care products is one of today's biggest challenges. The presence of these emerging contaminants in water has raised increasing concern due to their ... -
Continuous potentiometric monitoring of viagra (sildenafil) in pharmaceutical preparations using novel membrane sensors
( Springer Nature , 2006 , Article)Two potentiometric sensors responsive to sildenafil citrate (SC) drug (the active component of viagra) are described, characterized, compared and used for drug assessment. The sensors are based on the use of the ion-association ... -
The contribution of mediated oxidation mechanisms in the electrolytic degradation of cyanuric acid using diamond anodes
( IOS Press , 2015 , Article)In this work, the contribution of mediated oxidation mechanisms in the electrolytic degradation of cyanuric acid using boron-doped diamond (BDD) anodes was investigated in different electrolytes. A complete mineralization ... -
Controllable synthesis of sodium titanates using facile ball milling method
( Elsevier , 2021 , Article)In this study, we demonstrated a controllable synthesis of sodium titanates (Na2Ti6O13 and Na2Ti3O7) using simple mechanochemical (dry ball milling) method. Although the titanates were obtained after calcination, however, ... -
Controlled design of PtPd nanodendrite ornamented niobium oxynitride nanosheets for solar-driven water splitting
( Royal Society of Chemistry , 2018 , Article)Developing efficient photocatalysts for the water splitting reaction is crucial in a fuel cell reaction. Herein, we present a facile road-map for one-pot fabrication of PtPd nanodendrite (ND) ornamented niobium oxynitride ... -
Controlled Prelithiation of Silicon Monoxide for High Performance Lithium-Ion Rechargeable Full Cells
( American Chemical Society , 2016 , Article)Despite the recent considerable progress, the reversibility and cycle life of silicon anodes in lithium-ion batteries are yet to be improved further to meet the commercial standards. The current major industry, instead, ... -
Core-shell nanofibers of polyvinylidene fluoride-based nanocomposites as piezoelectric nanogenerators
( MDPI AG , 2020 , Article)Flexible piezoelectric nanogenerators (PENG) are widely applied to harvest sustainable energy from multiple energy sources. The rational and simple design of PENG have great potential in soft electronics. Here we design a ... -
Corrigendum to "Investigations into structure-property relationships of novel Ru(II) dyes with N,N'-Diethyl group in ancillary ligand for dye-sensitized solar cells" [Dyes Pigments 171(2019) 107754-107762](S0143720819314639)(10.1016/j.dyepig.2019.107754)
( Elsevier , 2020 , Other)The authors regret the typos in the author names and affiliations. The authors would like to apologize for any inconvenience caused. Correction: The correct author names and affiliations should read as follows: Saba ... -
Critical Behavior of La0.8Ca0.2Mn1−xCoxO3 Perovskite (0.1 ≤ x ≤ 0.3)
( MDPI , 2017 , Article)The critical properties of La0.8Ca0.2Mn1−xCoxO3 (x = 0, 0.1, 0.2 and 0.3) compounds were investigated by analysis of the magnetic measurements in the vicinity of their critical temperature. Arrott plots revealed that the ... -
Crosslinked chitosan–montmorillonite composite and its magnetized counterpart for the removal of basic fuchsin from wastewater: Parametric optimization using Box-Behnken design
( Elsevier , 2024 , Article)Treating wastewater polluted with organic dyestuffs is still a challenge. In that vein, facile synthesis of a structurally simple composite of chitosan with montmorillonite (CS-MMT) using glutaraldehyde as a crosslinker ... -
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 ... -
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 ... -
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 ...
