New strategies for treatment and reuse of spent sulfidic caustic stream from petroleum industry

期刊论文
摘要:
This work examines traditional and new routes for removal of H2S and other sulfur compounds from spe...
doi:
10.1590/S0100-40422012000700027
作 者:
Paulino, Jéssica Fro...
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Quimica nova

From the first to the second twelve principles of Green Chemistry

期刊论文
摘要:
The second 12 principles of Green Chemistry (Winterton, 2001) are presented and discussed to show ho...
doi:
10.1590/S0100-40422012000600034
作 者:
Machado, Adélio A. S...
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Quimica nova

Development and validation of analytical method for determination of tibolone in capsules by high performance liquid chromatography

期刊论文
摘要:
Tibolone is a synthetic steroid used for prevention of bone loss and treatment of menopause symptoms...
doi:
10.1590/S0100-40422012000500030
作 者:
Souza, Kellen Cristh...
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Quimica nova

Cellulose hydrolysis by mesoestruturated NiO-MCM-41 and MoO3-MCM-41 catalysts

期刊论文
摘要:
This study was carried out to synthesize, characterize and evaluate the application of mesoestrutura...
doi:
10.1590/S0100-40422012000400005
作 者:
Lima, Ezenildo Emanu...
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Quimica nova

Electrochemical and calorimetric investigation of interaction of novel biscationic anticancer agents with DNA

期刊论文
摘要:
Biscationic amidines bind in the DNA minor groove and present biological activity against a range of...
doi:
10.1590/S0100-40422012000700007
作 者:
Denadai, Ângelo Márc...
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Quimica nova

Development of nanocapsules of poly-ε-caprolactone containing herbicide atrazine

期刊论文
摘要:
In this study, polymeric nanocapsules of PCL containing the herbicide atrazine were prepared. In ord...
doi:
10.1590/S0100-40422012000100024
作 者:
Souza, Patrícia Mora...
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Quimica nova

Organic and total mercury determination in sediments by cold vapor atomic absorption spectrometry: methodology validation and uncertainty measurements

期刊论文
摘要:
The purpose of the present study was to validate a method for organic Hg determination in sediment. ...
doi:
10.1590/S0100-40422012000100009
作 者:
Favaro, Deborah I. T...
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Quimica nova

Other compounds isolated from Simira glaziovii and the ¹H and 13C NMR chemical shift assignments of new 1-epi-castanopsol

期刊论文
摘要:
A new triterpene, 1-epi-castanopsol, besides eleven known compounds: sitosterol, stigmasterol, campe...
doi:
10.1590/S0100-40422012001100019
作 者:
Carvalho, Mário G. d...
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Quimica nova

Towards new botanical pesticides: the toxic effect of Eremanthus goyazensis (Asteraceae) leaves essential oil against Brevipalpus phoenicis (Acari: Tenuipalpidae)

期刊论文
摘要:
This work reports the chemical characterization of Eremanthusgoyzensis essential oil and its toxic e...
doi:
10.1590/S0100-40422012001100031
作 者:
Silva, José Paulo G....
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Quimica nova

Comparative studies on the characterization of biodegradable cassava starch films containing mango and acerola pulps

期刊论文
摘要:
Mostcompounds reinforcements have been used to improve thermals, mechanical and barrierproperties of...
doi:
10.1590/S0100-40422012000200006
作 者:
Souza, Carolina Oliv...
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Quimica nova
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