Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Claudio A Téllez S"'
Autor:
Claudio A. Téllez S, M.A. Mondragón, Airton Abrahão Martin, G. Müller Lima, João Lucas Rangel, Anilton C. Costa, Glaucio B. Ferreira, O. Versiane
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 169:95-107
Theoretical and experimental bands have been assigned for the Fourier Transform Infrared and Raman spectra of the bis(diethyldithiocarbamate)Mn(II) complex, [Mn(DDTC)2]. The calculations have been based on the DFT/B3LYP method, second derivative spec
Autor:
Claudio A Téllez S
Publikováno v:
Biomedical Journal of Scientific & Technical Research. 1
Autor:
P. P. Favero, Claudio A. Téllez S, Mariane P.J. Sousa, Nuno G. Azoia, Laurita dos Santos, Artur Cavaco-Paulo, Airton Abrahão Martin
Publikováno v:
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Objective The purpose of this study is to elucidate the behavior of retinyl acetate in penetrating human skin without the presence of enhancers by using confocal Raman spectroscopy and molecular dynamics simulation. Methods In this study, in vivo con
Autor:
Claudio A. Téllez S, Otavio Versiane, J.L. de Miranda, Judith Felcman, Joanna Maria Ramos, Bernardo L. Rodrigues
Publikováno v:
Polyhedron. 26:4363-4372
New condensed amino acids were observed in two Cu(II) complexes, both involving guanidinoacetic acid (GAA). The copper(II) complexes, 1 and 2, were synthesized and characterized by X-ray crystallography and infrared spectroscopy. Vibrational assignme
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 67:1046-1054
The bis-serinenickel(II) complex was synthesized, and the Fourier-transforms infrared spectra in the regions 4000–370 and 700–30 cm−1 was measured. The second derivative spectra and band deconvolution analysis was also obtained. Density functio
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 61:337-345
Aspartate hydroxo-aqua nickel (II) complex was synthesized and the structural analysis was carried out through the following methods: determination of the C, N, O and H contents, thermogravimetry and infrared spectrum. Several hypothetic structures w
Autor:
Claudio A Téllez S, Eduardo Hollauer, Tiago Giannerini, M.I Pais da Silva, M.A Mondragón, J.R Rodrı́guez T, V.M Castaño
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 60:2171-2180
Fourier transform infrared and Raman spectra of dimethylterephthalate (DMT), as microcrystalline powder, have been investigated. The vibrational spectra were calculated using the AM1 and PM3 semi empirical procedures, and the Moller–Plesset (MP2/DZ
Publikováno v:
Journal of Raman Spectroscopy. 35:854-859
Raman spectra of sodium chlorate in N,N-dimethylformamide (DMF) solution were obtained. The band at 926 cm−1 that has been previously assigned to the vibrational mode of the associated chlorate with Cs symmetry is, in fact, due to the non-associate
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 58:3159-3166
With the aim to qualifying and quantifying the acidity of the Y, L and ferrierite zeolites, an infrared band analysis of pyridine adsorption and programmed temperature dessorption measurements were carried out to a set of nine samples of the Y, L and
Autor:
Claudio A. Téllez S, Roberto B. Faria, Paulo Sérgio da Silva Santos, Wagner A. Alves, Oswaldo Sala
Publikováno v:
Journal of Raman Spectroscopy. 32:1032-1036
Raman spectra of aqueous halate and oxyacids HXO3 (X = Cl,Br) solutions were obtained. Integrated Raman intensity measurements of the 804 and 933 cm−1 bands of HBrO3 and HClO3 in aqueous solutions, respectively, allowed the determination of the deg