Výsledky vyhledávání - "A J Al-Alwani"

Akademický článek

The effect of commonly used types of coffee on surface microhardness and color stability of resin-based composite restorations

Autor: Wedad Y. Awliya, Deemah J. Al-Alwani, Eftekar S. Gashmer, Huda B. Al-Mandil

Publikováno v: Saudi Dental Journal, Vol 22, Iss 4, Pp 177-181 (2010)

Objective: This study assessed the influence of commonly used types of coffee, in Saudi Arabia, on surface microhardness and color stability of microhybrid resin-based composite (Filtek Z250), nanofilled resin-based composite (Filtek Supreme) and org

Externí odkaz: https://doaj.org/article/8b10e76f7a7349efb4f2092ad65cd997

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Influence of capping ligands on the assembly of quantum dots and their properties

Autor: M. V. Pozharov, E. G. Glukhovskoy, O. A. Shinkarenko, Anna S. Kolesnikova, Ammar J. Al-Alwani, V. P. Sevostyanova, A. S. Chumakov, N. N. Begletsova

Publikováno v: Materials Science and Technology. 35:1053-1060

In order to understand the effect of capping ligand on optical and electrical properties of semiconductor quantum dots (QDs), we have added liquid crystal (8CB) to the CdSe/CdS/ZnS QDs monolayer fo...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::276220cfaf82eb82db80d4f03f233d88
https://doi.org/10.1080/02670836.2019.1612141

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Synthesis of Copper Nanoparticles Using Hydrazine in Micellar Solutions of Sodium Dodecyl Sulfate

Autor: E. I. Selifonova, O Yu Tsvetkova, N. N. Begletsova, R. K. Chernova, E. G. Glukhovskoy, O. A. Shinkarenko, Andrey M. Zakharevich, Ammar J. Al-Alwani

Publikováno v: Moscow University Chemistry Bulletin. 74:14-19

The influence of the synthesis conditions and composition of the reaction medium on the size and morphology of copper nanoparticles is studied for the Cu(II)—N2H4–sodium dodecyl sulphate systems. In accordance with scanning electron microscopy, t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2b583196c7422a7146f91a9f33c6360c
https://doi.org/10.3103/s0027131419010024

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Light absorption in visible–NIR range by linear copper clusters (n = 2–22) with monoatomic thickness: a TD-DFT study

Autor: Natalia E. Markina, Ammar J. Al-Alwani, Alexey V. Markin, Alexander A. Skaptsov

Publikováno v: Journal of Nanoparticle Research. 22

The authors theoretically investigated absorbance spectra of the hypothetical 1D Cu clusters with 2–22 atoms and monoatomic thickness. In contrast to 3D isomers with interband transitions only ( 600 nm) compared to the nanoparticles with spherical

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::22453d1c8d7a22e590b648cbc3211c30
https://doi.org/10.1007/s11051-019-4715-y

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Chemical synthesis of copper nanoparticles in aqueous solutions in the presence of anionic surfactant sodium dodecyl sulfate

Autor: E. I. Selifonova, Ammar J. Al-Alwani, Aleksey S. Chumakov, R. K. Chernova, Andrey M. Zakharevich, N. N. Begletsova, E. G. Glukhovskoy

Publikováno v: Colloids and Surfaces A: Physicochemical and Engineering Aspects. 552:75-80

Well dispersed copper particles with size from 15 to 100 nm and their aggregates up to 320 nm were obtained by chemical reduction in the presence of anionic surfactant sodium dodecyl sulfate. As a reducing agent hydrazine hydrate of various volumes (

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d09f1629a77b4caaef5269e4945f215b
https://doi.org/10.1016/j.colsurfa.2018.05.023

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Studying of Surfactant Excess Separation from Non-aqueous Quantum Dots Solution on its Monolayer Formation Process

Autor: А. V. Kazak, Nadezhda V. Usol’tseva, V. O. Lukyanova, Ammar J. Al-Alwani, I. A. Gorbachev, K. I. Kosolapova, E. G. Glukhovskoy, Sergei N. Shtykov, А. I. Smirnova, A. S. Chumakov

Publikováno v: BioNanoScience. 8:1081-1086

Controlled purification of non-aqueous solution of CdSe/CdS/ZnS quantum dots (QD) (dispersed in toluene or chloroform) from an excess of surfactant (oleic acid) was studied. The separation of unbound oleic acid from QD solution was carried out by usi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9a616ba0f2166660d71b36377408c54f
https://doi.org/10.1007/s12668-018-0537-0

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