Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Marisa A.A. Rocha"'
Autor:
F. Carpinteiro, Luís M. N. B. F. Santos, Ana I.M.C. Lobo Ferreira, Ana S. M. C. Rodrigues, Fernando Tavares, Vojtech Štejfa, Manuel C. Torres, Marisa A.A. Rocha
Publikováno v:
The Journal of Chemical Thermodynamics. 126:171-186
The principle of operation, concepts and recent developments of the Knudsen effusion methodology for the vapour pressure measurement of ionic liquids and other low volatile liquids and solids are presented. A new version of a Knudsen effusion apparat
Blackberry anthocyanins: β-Cyclodextrin fortification for thermal and gastrointestinal stabilization
Autor:
Marisa A.A. Rocha, Ana Luisa Godoy Fernandes, Nuno Mateus, Joana L. A. Brás, Victor de Freitas, Joana Oliveira, Luís M. N. B. F. Santos
Publikováno v:
Food Chemistry. 245:426-431
Anthocyanins are potential food colorants due to their color, low toxicity and biological properties. However, the low chemical stability of anthocyanins has limited their use. In this work, the thermal stability of cyanidin-3-O-glucoside (cy3glc) (m
Autor:
Květoslav Růžička, Paulo B.P. Serra, Michal Fulem, Marisa A.A. Rocha, Luís M. N. B. F. Santos, João A. P. Coutinho, Filipe Ribeiro
Publikováno v:
Journal of Molecular Liquids. 248:678-687
The heat capacity and thermal behavior trend along the 1-alkyl-3-methylimidazolium hexafluorophosphate [C n C 1 im][PF 6 ] (with n = 2–10, 12) ionic liquids series, is used to explore the effect of the alkyl chain length in the nanostructuration. T
Autor:
Bernd Rathke, Johannes Kiefer, Květoslav Růžička, Marisa A.A. Rocha, Paulo B.P. Serra, Michal Fulem
Publikováno v:
Journal of Molecular Liquids. 244:528-532
Three pure heptanol isomers were studied using infrared spectroscopy: n -heptanol, 2,4-dimethyl-3-pentanol, and 3-ethyl-3-pentanol. In order to analyze the branching effect of heptanol, investigations on the two symmetric branched isomers have been p
Autor:
Jaap van Spronsen, Maaike C. Kroon, Marisa A.A. Rocha, Cor J. Peters, Sona Raeissi, Patrick A. Hage, Wilko M. A. Weggemans
Publikováno v:
Chemical Engineering Science, 165, 74-80. Elsevier
The use of industrial waste streams as a source of biomass is beneficial, not only to reduce environmental problems, but also to save valuable resources. Waste streams containing volatile fatty acids (VFAs) are one such example. However, separation f
Autor:
Emilia Tojo, Luís M. N. B. F. Santos, Ana S. M. C. Rodrigues, Miguel Vilas, Marisa A.A. Rocha
Publikováno v:
Fluid Phase Equilibria. 428:112-120
In this work, the effect of the alkyl chain size in 1-ethylpyridinium cation-based ionic liquids are used to explore the nanostructuration effect. Densities and viscosities and their dependence on temperature were measured for the 2-alkyl-1-ethylpyri
Autor:
Marisa A.A. Rocha, Wolffram Schröer, Adriaan van den Bruinhorst, Maaike C. Kroon, Bernd Rathke
Publikováno v:
The Journal of Chemical Thermodynamics, 100, 156-164. Academic Press Inc.
In this work a series of fatty acid based ionic liquids has been synthesized and characterized. Densities and viscosities at different temperatures have been measured in the temperature range from (293.15 to 363.15) K. The thermal operating window an
Autor:
Michal Fulem, Paulo B.P. Serra, Filipe Ribeiro, Luís M. N. B. F. Santos, Květoslav Růžička, Marisa A.A. Rocha
Publikováno v:
The Journal of Chemical Thermodynamics. 100:124-130
The thermal behavior, solid and liquid heat capacities of the 1-benzyl-3-methylimidazolium, [Bzmim]+, based ionic liquid series with Cl−, PF6−, BF4−, CHF2CF2SO3− and NTf2− as anions were used to evaluate the effect of the insertion of an ar
Autor:
Luís M. N. B. F. Santos, Marisa A.A. Rocha, Andrey V. Blokhin, Ana S. M. C. Rodrigues, Eugene Paulechka
Publikováno v:
The Journal of Chemical Thermodynamics. 97:331-340
Belarusian State Program of Scientific Research «Chemical technologies and materials, natural resource potential» (grant 1.35 ) and Fundacao para a Ciencia e Tecnologia (FCT), Lisbon, Portugal and to FEDER for financial support to Centro de Investi
Autor:
Marisa A.A. Rocha, Maaike C. Kroon, Dannie J. G. P. van Osch, Adriaan van den Bruinhorst, LF Lawien Zubeir
Publikováno v:
Green Chemistry, 17, 4518-4521. Royal Society of Chemistry
Hydrophobic deep eutectic solvents (DESs) are presented for the first time. They consist of decanoic acid and various quaternary ammonium salts. The effect of the alkyl chains on the hydrophobicity and the equilibrium of the two-phase DES–water sys