Xylitol from rice husks by acid hydrolysis and Candida yeast fermentation

期刊论文
摘要:
An investigation was conducted into the production of xylose by acid hydrolysis of rice husks and it...
doi:
10.1590/S0100-40422013000500004
作 者:
Mario, Débora N.;Mar...
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Química Nova

Theoretical study of electronic transitions using simple and sophisticated methods

期刊论文
摘要:
In this paper, the use of both simple and sophisticated models in the study of electronic transition...
doi:
10.1590/S0100-40422013000400019
作 者:
Morgon, Nelson H.;Un...
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Química Nova

Labile copper and zinc fractions under different salinity conditions in a shipyard area in the patos lagoon estuary, south of Brazil

期刊论文
摘要:
Copper and zinc are common elements in paint residues and can be toxic to estuarine organisms. This ...
doi:
10.1590/S0100-40422013000800002
作 者:
Casartelli, Maria Re...
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Química Nova

Study of aqueous dispersions of carbon nanotubes using different surfactants

期刊论文
摘要:
The dispersion of carbon nanotubes in water for their utilization in nanoscale devices is a challeng...
doi:
10.1590/S0100-40422013000100002
作 者:
Barreto, Pedro L. M....
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期刊标题:
Química Nova

Glycerol oxidation over gold nanoparticles supported on activated carbon: chemometric monitoring of the reaction by ESI-MS and MIR

期刊论文
摘要:
A study on the monitoring of glycerol oxidation catalyzed by gold nanoparticles supported on activat...
doi:
10.1590/S0100-40422013000100014
作 者:
Guerreiro, Mário C.;...
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期刊标题:
Química Nova

Synthesis and biological activity of sulfur compounds showing structural analogy with combretastatin A-4

期刊论文
摘要:
We extended our previous exploration of sulfur bridges as bioisosteric replacements for atoms formin...
doi:
10.1590/S0100-40422013000200014
作 者:
Hamel, Ernest;Santos...
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Química Nova

Trachylobane and kaurane diterpenes from Croton floribundus spreng

期刊论文
摘要:
A new trachylobane diterpene ent-trachyloban-18,19-diol (1) was isolated from root bark of Croton fl...
doi:
10.1590/S0100-40422013000600006
作 者:
Braz-Filho, Raimundo...
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期刊标题:
Química Nova

Determination of nimesulide by flow injection analysis with multiple-pulse amperometric detection

期刊论文
摘要:
A simple and fast method for the determination of nimesulide (NI) using flow injection analysis with...
doi:
10.1590/S0100-40422013000900004
作 者:
Silva, Leonardo Mora...
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Química Nova

Simultaneous analysis of saturated and unsaturated fatty acids present in pequi fruits by capillary electrophoresis

期刊论文
摘要:
In the current study, an alternative method has been proposed for simultaneous analysis of palmitic,...
doi:
10.1590/S0100-40422013000900025
作 者:
Cesário, Cristiane d...
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Química Nova

Cat's claw oxindole alkaloid isomerization induced by common extraction methods

期刊论文
摘要:
Cat's claw oxindole alkaloids are prone to isomerization in aqueous solution. However, studies on th...
doi:
10.1590/S0100-40422013000600012
作 者:
Ortega, George Gonzá...
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期刊标题:
Química Nova
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