Effect of the structure of commercial poly(ethylene oxide-b-propylene oxide) demulsifier bases on the demulsification of water-in-crude oil emulsions: elucidation of the demulsification mechanism
摘要：
Water-in-crude oil emulsions are formed during petroleum production and asphaltenes play an importan...
doi：
10.1590/S0100-40422010000800009
作 者：
Ramalho, João Batist...
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Química Nova
How to determine the patent profile of a drug: a case study of Efavirenz
摘要：
The importance of the patent system for researchers, especially in chemistry and related areas, is u...
doi：
10.1590/S0100-40422010000500038
作 者：
Correa, Marilena Cor...
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Química Nova
Purification and characterization of grape (Vitis vinífera L. cv Red Globe) chitinases for production of chitosan from shrimp chitin
摘要：
Chitinase is produced by a wide variety of plants as a defense against peste attacks. In this study,...
doi：
10.1590/S0100-40422010000900012
作 者：
Oliveira, Carlos Iva...
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Química Nova
Foam-forming properties of Ilex paraguariensis (mate) saponin: foamability and foam lifetime analysis by Weibull equation
摘要：
Saponins are natural soaplike foam-forming compounds widely used in foods, cosmetic and pharmaceutic...
doi：
10.1590/S0100-40422010000700003
作 者：
Canto, Gizele S.;Pei...
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Química Nova
Determination of 5-aminosalicylic acid in pharmaceutical formulations by square wave voltammetry at pencil graphite electrodes
摘要：
An analytical method for the determination of the anti-inflammatory drug 5-aminosalicylic acid (5-AS...
doi：
10.1590/S0100-40422010000400036
作 者：
Universidade de São ...
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Química Nova
A grafic metric to a holistic evaluation of the greenishness of chemical reactions - "Green Star"
摘要：
A new semi-quantitative metrics, Green Star (GS), for evaluation of the global greenishness of chemi...
doi：
10.1590/S0100-40422010000300050
作 者：
Costa, Dominique A.;...
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Química Nova
Preparation of PVP hydrogel nanoparticles using lecithin vesicles
摘要：
Hydrogels micro, sub-micro and nanoparticles are of great interest for drug encapsulation and delive...
doi：
10.1590/S0100-40422010001000015
作 者：
Chaimovich, Hernan;C...
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Química Nova
Principal component analysis of nexafs spectra for molybdenum speciation in hydrotreating catalysts
摘要：
Bulk and supported molybdenum based catalysts, modified by nickel, phosphorous or tungsten were stud...
doi：
10.1590/S0100-40422010000600023
作 者：
Faro Jr, Arnaldo da ...
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Química Nova
Optimization of analytic methodologies for quantifying flavonoids of Bauhinia cheilantha (Bongard) Steudel
摘要：
The present study examined the optimization of stabilization and extraction processes of the flavono...
doi：
10.1590/S0100-40422010000200011
作 者：
Peixoto Sobrinho, Ta...
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Química Nova
Discrimination of native wood charcoal by infrared spectroscopy
摘要：
Brazil is one of the largest producers and consumers of charcoal in the world. About 50% of its char...
doi：
10.1590/S0100-40422010000500016
作 者：
Serviço Florestal Br...
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期刊标题：
Química Nova
