Purification and characterization of a gentiohexaose obtained from botryosphaeran by partial acid hydrolysis

期刊论文
摘要:
A hexa-oligosaccharide was obtained by partialacid hydrolysis from botryosphaeran, an exopolysacchar...
doi:
10.1590/S0100-40422008000500013
作 者:
Dekker, Robert F. H....
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Quimica nova

Uptake of Hg2+ from aqueous solutions by microporous titano- and zircono-silicates

期刊论文
摘要:
Being mercury one of the most toxic heavy metalspresent in the environment, it is of major concern t...
doi:
10.1590/S0100-40422008000200025
作 者:
Lopes, Cláudia B.;Ro...
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Quimica nova

Flavonoids in Astragalus corniculatus

期刊论文
摘要:
Nine flavonoids were identified in aerial partsof Astragalus corniculatus Bieb. (Fabaceae) by liquid...
doi:
10.1590/S0100-40422008000100012
作 者:
Krasteva, Ilina;Niko...
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Quimica nova

Evaluation of the organophosphates pesticides contamination in superficial water of Rondinha - Rio Grande do Sul

期刊论文
摘要:
doi:
10.1590/S0100-40422008000700006
作 者:
Griza, Francieli Trê...
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Quimica nova

The effect of microwave irradiation on the crystalline structure and catalytic activity of clays

期刊论文
摘要:
The effect of microwave (MW) irradiation on thecrystalline structure of two natural clays and one co...
doi:
10.1590/S0100-40422008000300019
作 者:
Ribeiro, Núbia Moura...
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Quimica nova

Ceramic nanocomposites from the hight-energy mechanical milling process

期刊论文
摘要:
Pb/Ti, Sn and Mg-based nanocomposite materialswere prepared by the high-energy mechanical milling of...
doi:
10.1590/S0100-40422008000500004
作 者:
Fabbro, Maria T.;San...
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Quimica nova

Physico-chemical characterization of prato cheese by infrared spectroscopy and partial least squares regression

期刊论文
摘要:
In this work an analytical methodology for the determination of relevant physicochemical parameters ...
doi:
10.1590/S0100-40422008000700004
作 者:
Peralta-Zamora, Patr...
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Quimica nova

Synthesis of aryl beta-N-acetylglucosaminedes modified at C-6 as potential antimicrovial agents

期刊论文
摘要:
We report herein the synthesis of aryl b-N-acetylglucosaminidescontaining azido, amino and acetamido...
doi:
10.1590/S0100-40422008000200026
作 者:
D'Angelis, Allison F...
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Quimica nova

Antioxidant and cytotoxic activities of 'açaí' (Euterpe precatoria Mart.)

期刊论文
摘要:
Decoction of roots of the Amazonian palm a莽a铆(Euterpe precatoria Mart.) is widely used by Brazilian ...
doi:
10.1590/S0100-40422008000600028
作 者:
Boaventura, Maria Am...
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Quimica nova

New pyranoflavones and trypanocidal activity of compounds isolated from Conchocarpus heterophyllus

期刊论文
摘要:
The phytochemical investigation of trypanocidalextracts from leaves and stems of Conchocarpus hetero...
doi:
10.1590/S0100-40422008000400005
作 者:
Ambrozin, Alessandra...
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Quimica nova
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