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101.
The non-toxic and magnetically separable nano-CuFe_2O_4 catalyzed synthesis of symmetrical aryl sulfides by the reaction of thiourea with a wide variety of aryl halides,including aryl chlorides has been reported.Excellent yields of products have been obtained under ligand-free conditions and without the use of any expensive catalyst,such as palladium. 相似文献
102.
A Kerr-Schild type ansatz for thef andg tensor fields leads to a tractable form of the field equations of Salam's two-tensor theory of gravity in vacuo. While the general solution contains the Schwarzschild and Kerr metrics in the pure Einstein vacuum case, we can show in thef-g case that all non-trivial (fg) solutions are restricted to have the form of plane-fronted waves.Supported by Fonds zur Förd. d. wiss. Forsch. in Österr., Nr. 1255. 相似文献
103.
XF Zhang S Mansouri DA Mbeh L Yahia E Sacher T Veres 《Langmuir : the ACS journal of surfaces and colloids》2012,28(35):12879-12885
We report the synthesis of Fe(3)O(4)/silica core/shell nanoparticles and their functionalization with S-nitrosothiols. These nanoparticles are of immense interest because of their nitric oxide (NO) release capabilities in human alveolar epithelial cells. Moreover, they act as large storage reservoirs of NO that can be targeted magnetically to the specific site with a sustainable release of NO for up to 50 h. Such nanoparticles provide an enhancement of the biocompatibility with released NO while allowing intracellular accumulation ascribed to their small size. 相似文献
104.
105.
This paper shows how the structure and dynamics of a lightlike thin shell in general relativity can be obtained from a distributional approach. 相似文献
106.
Arabi Malika Elias Abdelhamid Kamel Ziane Ait younes Yasmine Mansouri Belkacem Toumert Idir 《Journal of Radioanalytical and Nuclear Chemistry》2018,317(2):1095-1106
Journal of Radioanalytical and Nuclear Chemistry - Gamma irradiation was applied to olive mill wastewater and synthetic samples prepared from Gallic acid. The effects, generated on the... 相似文献
107.
Ghobad Mansouri Hassan Hadadzadeh Hamid Reza Khavasi 《Journal of organometallic chemistry》2007,692(17):3810-3815
The novel cyclometalated Rh(III) complex, [Rh(phpy-κ2N,C2′)2(phen-dione)]PF6, where phpy-κ2N,C2′ is pyridine-2-yl-2-phenyl and phen-dione is 1,10-phenanthroline-5,6-dione has been prepared and characterized by elemental analysis, IR, 1H NMR, and electronic absorption spectroscopies, cyclic voltammetry, and X-ray crystallography. The crystal structure of [Rh(phpy-κ2N,C2′)2(phen-dione)]PF6·CH3CN shows that the coordination geometry around the Rh(III) is a distorted octahedron, with bite angles of 76.13°-81.09° for all three bidentate ligands. 相似文献
108.
Manganese Oxide Nanoparticles/Reduced Graphene Oxide as Novel Electrochemical Platform for Immobilization of FAD and its Application as Highly Sensitive Persulfate Sensor 下载免费PDF全文
In this study, manganese oxide nanoparticles/reduced graphene oxide(MnOxNPs/rGO) was used as support for strong immobilization of flavin adenine dinucleotide(FAD). A thin film of rGO cast on the electrode surface, followed by performing electrodeposition of MnOxNPs at applied constant potential of +1.4 V vs. Ag/AgCl for 200 s. Finally, FAD was electrodeposited onto the rGO/MnOxNPs film by potential cycling between 1.0 to ?1.0 V in solution containing 1 mg ml?1 FAD. Electrochemical properties and catalytic activity of GCE/rGO‐MnOxNPs/FAD toward persulfate (S2O82?) reduction was investigated. Under optimized condition, the concentration calibration range, detection limit, and sensitivity were 0.1 μM–2 mM, 90 nM and 125.8 nA/μM, respectively, using hydrodynamic amperometry technique. 相似文献
109.
Mousaviazar Ali Shirazi Zeinab Keshavarz Mohammad Hossein Mansouri Najmeh 《Journal of Thermal Analysis and Calorimetry》2022,147(22):12907-12917
Journal of Thermal Analysis and Calorimetry - A novel approach is offered for reliable valuation of exothermic decomposition temperature ( $$T_{{{\text{exo}}}}$$ ) of energetic complexes (ECs),... 相似文献
110.
Sari Ali Sadi Meisam Shafiei Sabet Ghobad Mohammadiun Mohammad Mohammadiun Hamid 《Journal of Thermal Analysis and Calorimetry》2021,145(3):867-885
Journal of Thermal Analysis and Calorimetry - To increase the efficiency of solar air collectors (SACs), the combined effects of baffles and delta winglet vortex generator (DWLVG) on the... 相似文献