Zobrazeno 1 - 10
of 48
pro vyhledávání: '"S. ZAYDOUN"'
Autor:
A. AL MAOFARI, S. EL HAJJAJI, A. DEBBAB, S. ZAYDOUN, B. OUAKI, R. CHAROF, Z. MENNANE, A. HAKIKI, M. MOSADDAK
Publikováno v:
Scientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, Vol 14, Iss 1, Pp 011-016 (2014)
We report in this study the chemical composition and antibacterial activities of the seed’s essential oils of Pimpinella anisum L. collected from Morocco and Yemen. The hydro-distillation technique was used to extract their essential oils, followed
Externí odkaz:
https://doaj.org/article/fbf6ea9611e44e27a73f64d780f8c053
Autor:
A. El Hajji, J. El jastimi, F. Guédira, K. Marakchi, O.K. Kabbaj, S. Zaydoun, L. Guennoun, N. Komiha
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 97:975-985
The purpose of this manuscript is to discuss our investigations of diprotonated guanazolium chloride using vibrational spectroscopy and quantum chemical methods. The solid phase FT-IR and FT-Raman spectra were recorded in the regions 4000-400cm(-1) a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6ce5562a04862717b9408f09ed8bf939
https://doi.org/10.1016/j.saa.2012.07.052
https://doi.org/10.1016/j.saa.2012.07.052
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 78:347-353
The 3,5-diamino-1,2,4-triazole (guanazole) was investigated by vibrational spectroscopy and quantum methods. The solid phase FT-IR and FT-Raman spectra were recorded in the region 4000-400 cm(-1) and 3600-50 cm(-1) respectively, and the band assignme
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7e467425022cdacd28d04ae40d3124b3
https://doi.org/10.1016/j.saa.2010.10.019
https://doi.org/10.1016/j.saa.2010.10.019
Autor:
A. Rubbens-Lorriaux, S. Zaydoun, F. Guédira, Chantal Garrigou-Lagrange, Abdallah Zrineh, M. Saidi Idrissi
Publikováno v:
Spectroscopy Letters. 41:313-327
Complexes of metal (II) halides with N-methyl-1,2,4-triazoles have been prepared, characterized, and studied by magnetism, and electronic and vibrational spectroscopies. The complex with 1:4 stoichiometry is monomeric; those of 1:1 or 1:2 stoichiomet
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c2d36f0bc4620d7be7f2c3e51d64b42
https://doi.org/10.1080/00387010802226813
https://doi.org/10.1080/00387010802226813
Publikováno v:
Journal de Chimie Physique et de Physico-Chimie Biologique. 96:934-946
L'etude vibrationnelle des 3,4'-bitriazole, 5-methyl-3,4'-bitriazole et 5-bromo-3,4'- bitriazole a ete effectuee et une attribution de leurs vibrations fondamentales a ete proposee sur la base de l'existence d'une seule forme a l'etat solide. La subs
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b20e12d52716c5bb7f7489ebe10c4dc
https://doi.org/10.1051/jcp:1999180
https://doi.org/10.1051/jcp:1999180
Publikováno v:
Journal de Chimie Physique et de Physico-Chimie Biologique. 96:706-724
L'adsorption de l'octaethylporphyrine de nickel (OEP)Ni par l'hydroxy (HAP) ou la fluorapatite (FAP) phosphocalciques s'est traduite par le transfert de (OEP)Ni de la solution vers le solide apatitique. Ce transfert est justifie tout d'abord par la d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87c6759efb4986ff806caaa016d5f2e5
https://doi.org/10.1051/jcp:1999166
https://doi.org/10.1051/jcp:1999166
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 167:32
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b9da1dfbf249de719ca255689504965
https://doi.org/10.1016/j.saa.2016.05.015
https://doi.org/10.1016/j.saa.2016.05.015
Publikováno v:
Polyhedron. 14:1477-1486
Manganese(II), iron(II), cobalt(II), nickel(II) and copper(II) halide complexes with 1,2,4-triazole as a ligand were synthesized and studied. Their structures were discussed on the basis of electronic and magnetic data. The electronic spectra of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::320d82755dcddc67e69321428611b5a0
https://doi.org/10.1016/0277-5387(94)00410-g
https://doi.org/10.1016/0277-5387(94)00410-g
Publikováno v:
Journal of Raman Spectroscopy. 31:951-953
Raman and infrared spectra of 4-methyl-1,2,4-triazolethione showed that two crystalline phases, one stable and the other metastable, can be obtained from various crystallization processes. The metastable phase transforms into the stable phase at 395
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fbc08bcf0c4148e08c3b9f8b550450f2
https://doi.org/10.1002/1097-4555(200010)31:10<951::aid-jrs635>3.0.co
https://doi.org/10.1002/1097-4555(200010)31:10<951::aid-jrs635>3.0.co
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy [1994-...]
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy [1994-..], 2009, 73 (4), pp.738-746. ⟨10.1016/j.saa.2009.03.024⟩
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy [1994-..], 2009, 73 (4), pp.738-746. ⟨10.1016/j.saa.2009.03.024⟩
The conventional ab initio method at the closed restricted Hartree-Fock level (RHF) and the density functional theory (DFT) approach at the B3-LYP level, using the 6-31+G* basis set, are applied to predict the molecular structure and the energetic an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a6b3a556b8504d104653d62ea1c0dc30
https://hal.science/hal-04024075
https://hal.science/hal-04024075
