Zobrazeno 1 - 10
of 217
pro vyhledávání: '"Douglas Wagner Franco"'
Autor:
Ana Gabriela Conceição-Vertamatti, Luiz Alberto Ferreira Ramos, Ivy Calandreli, Aline Nunes Chiba, Douglas Wagner Franco, Elia Tfouni, Dora Maria Grassi-Kassisse
Publikováno v:
Arquivos Brasileiros de Cardiologia, Vol 104, Iss 3, Pp 185-194 (2015)
Background: Ruthenium (Ru) tetraamines are being increasingly used as nitric oxide (NO) carriers. In this context, pharmacological studies have become highly relevant to better understand the mechanism of action involved. Objective: To evaluate the v
Externí odkaz:
https://doaj.org/article/037fb3c70dda4ff1885437e8a3f02897
Publikováno v:
Brazilian Journal of Pharmaceutical Sciences, Vol 49, Iss spe, Pp 1-14 (2013)
Platforms able to storage, release or scavenge NO in a controlled and specific manner is interesting for biological applications. Among the possible matrices for these purposes, dendrimers are excellent candidates for that. These molecules have been
Externí odkaz:
https://doaj.org/article/8b175bd47fcb467b93dee140f9a9ca71
Autor:
Alexandre Ataide da Silva, Eduardo Sanches Pereira do Nascimento, Daniel Rodrigues Cardoso, Douglas Wagner Franco
Publikováno v:
Química Nova, Vol 35, Iss 3, Pp 563-566 (2012)
The application of multivariate analysis to spectrophotometric (UV) data was explored for distinguishing extracts of cachaça woods commonly used in the manufacture of casks for aging cachaças (oak, cabreúva-parda, jatobá, amendoim and canela-sass
Externí odkaz:
https://doaj.org/article/892a2791e49345cab8245cd4aaffd857
Autor:
Felipe Augusto Thobias Serafim, Alexandre Ataíde da Silva, Carlos Alexandre Galinaro, Douglas Wagner Franco
Publikováno v:
Química Nova, Vol 35, Iss 7, Pp 1412-1416 (2012)
Six wines were distilled in two different distillation apparatus (alembic and column) producing 24 distillates (6 for each alembic fraction - head, heart and tail; 6 column distillates). The chemical composition of distillates from the same wine was
Externí odkaz:
https://doaj.org/article/0fe106f2fca749a8a326ee8c8cb2b7c6
Publikováno v:
Química Nova, Vol 34, Iss 6, Pp 996-1000 (2011)
The commercial sugar cane spits redistillation decreased up to 92,5% their ethyl carbamate (EC) original content. Quantitative analysis of EC in 15 samples of sugar cane spirit (alembic and column), fresh distilled and collected in situ demonstrated
Externí odkaz:
https://doaj.org/article/2ba5a380151a4b67960ca581a7baa716
Autor:
Felipe Augusto Thobias Serafim, Silmara França Buchviser, Carlos Alexandre Galinaro, Douglas Wagner Franco, Fernando Valadares Novaes
Publikováno v:
Química Nova, Vol 34, Iss 1, Pp 28-32 (2011)
The concentration of 14 organic acids of 50 sugarcane spirits samples was determined by gas chromatography using flame ionization detection. The organic acids analytical quantitative profile in stills and column distilled spirits from wines obtained
Externí odkaz:
https://doaj.org/article/37fe406e41ec4fde94e398eec14eff7b
Publikováno v:
Química Nova, Vol 32, Iss 2, Pp 332-336 (2009)
One hundred fifteen cachaça samples derived from distillation in copper stills (73) or in stainless steels (42) were analyzed for thirty five itens by chromatography and inductively coupled plasma optical emission spectrometry. The analytical data w
Externí odkaz:
https://doaj.org/article/6451e89bf24f499e8a9ca1601528a81a
Publikováno v:
Química Nova, Vol 32, Iss 6, Pp 1447-1451 (2009)
The concentration of 15 polycyclic aromatic hydrocarbons (PAHs) in 57 samples of distillates (cachaça, rum, whiskey, and alcohol fuel) has been determined by HPLC-Fluorescence detection. The quantitative analytical profile of PAHs treated by Partial
Externí odkaz:
https://doaj.org/article/a70fd9ac539644229634772355603ea8
Autor:
Luiz Gualberto de Andrade Sobrinho, Luciana Tereza Dias Cappelini, Alexandre Ataíde da Silva, Carlos Alexandre Galinaro, Silmara França Buchviser, Daniel Rodrigues Cardoso, Douglas Wagner Franco
Publikováno v:
Química Nova, Vol 32, Iss 1, Pp 116-119 (2009)
Herein, we report the concentration of ethyl carbamate (EC) and copper in 380 samples of sugar-cane spirit and 45 samples of manioc spirit as determined by GC-MS and FAAS respectively. The cyanide content determined spectrophotometrically is reported
Externí odkaz:
https://doaj.org/article/7be5aa2ab8c54579ab1afbaf8966424f
Autor:
Luigi Odello, Gian Paolo Braceschi, Fernanda Rosan Fortunato Seixas, Alexandre Ataide da Silva, Carlos Alexandre Galinaro, Douglas Wagner Franco
Publikováno v:
Química Nova, Vol 32, Iss 7, Pp 1839-1844 (2009)
The hedonic level of commercial cachaças, was evaluated by consumers and by a tasters. The results of sensorial methods analyzed trough Principal Components Analysis, Hierarchical Cluster Analysis and the Pearson linear correlation indicated that th
Externí odkaz:
https://doaj.org/article/6821869fe6d849588e9813e79953d873