Dextrans in lugars from São Paulo State

期刊论文
摘要:
The characterization of dextran in sugars by size exclusion chromatography (SEC) has been carried ou...
doi:
10.1590/S0100-40422008000500016
作 者:
Universidade de São ...
作者机构:
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Química Nova

Application of response surface methodology to study the production and the extraction of polygalacturonase

期刊论文
摘要:
The aim of this work was to verify the effects of initial medium moisture content (U), addition of a...
doi:
10.1590/S0100-40422008000800010
作 者:
Embrapa Agroindústri...
作者机构:
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期刊标题:
Química Nova

Oxidation of organic compounds in wastewater from the humid processing of coffee berries

期刊论文
摘要:
Materials based on pure iron oxide and impregnated with niobia (Nb2O5) were prepared. Their catalyti...
doi:
10.1590/S0100-40422008000700007
作 者:
Guerreiro, Mário Cés...
作者机构:
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期刊标题:
Química Nova

Mineral and vitamin content of beef, chicken, and turkey hydrolysates mineral and vitamin content of protein hydrolysates

期刊论文
摘要:
The purpose of this study was to assess the concentration of vitamins and minerals in meat protein h...
doi:
10.1590/S0100-40422008000100008
作 者:
Kira, Carmem S.;Pint...
作者机构:
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期刊标题:
Química Nova

Science insight´s of chemistry teachers: media and reflection on high school environment

期刊论文
摘要:
The present paper discusses the influence of TV and general media on students scientific ideas and t...
doi:
10.1590/S0100-40422008000700047
作 者:
Universidade Federal...
作者机构:
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Química Nova

Reactivity of cyclopropenones towards nucleophiles and correlation with reduction potentials in aprotic medium

期刊论文
摘要:
In this work we studied the reactivity of isopropylphenylcyclopropenone towards some nitrogen nucleo...
doi:
10.1590/S0100-40422008000400015
作 者:
Universidade Federal...
作者机构:
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期刊标题:
Química Nova

Fractionation of heavy metals in polluted soil before and after rice cultivation

期刊论文
摘要:
The objective of the present work was to evaluate the distribution of Cd, Cu, Mn, Pb and Zn among th...
doi:
10.1590/S0100-40422008000600021
作 者:
Vitti, Godofredo Ces...
作者机构:
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期刊标题:
Química Nova

Chromogenic and fluorogenic chemosensors for detection of anionic analites

期刊论文
摘要:
The detection of anionic species is a field which is currently attracting increasing interest. Resea...
doi:
10.1590/S0100-40422008000800038
作 者:
Machado, Vanderlei G...
作者机构:
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Química Nova

Crystallization behavior of structured lipids by chemical interesterification of lard and soybean oil

期刊论文
摘要:
The aim of this study was to evaluate the crystallization behavior of binary mixtures of lard and so...
doi:
10.1590/S0100-40422008000200027
作 者:
Silva, Roberta Claro...
作者机构:
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Química Nova

Application of the factorial design and response surface methodology for optimization of alcoholic fermentation

期刊论文
摘要:
In the present work, the influence of the amount of nitrogen and phosphorus and degrees Brix on the ...
doi:
10.1590/S0100-40422008000500024
作 者:
Universidade Estadua...
作者机构:
期刊编号:
期刊标题:
Química Nova
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