Distribution and availability of copper, iron, manganese and zinc in the archaeological black earth profile from the Amazon region
摘要：
The archaeological black earth soils are rich in organic matter, contain ceramic fragments and lithi...
doi：
10.1590/S0103-50532011000800012
作 者：
Fernandes, Kelly G.;...
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期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
Synthesis of new 2-aminocarbohydrate-1,4-naphthoquinone derivatives promoted by ultrasonic irradiation
摘要：
In this report we describe the ultrasound-accelerated synthesis of new naphthoquinone derivatives 6a...
doi：
10.1590/S0103-50532011000100026
作 者：
Jordão, Alessandro K...
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期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
Highly selective and sensitive voltammetric sensor for captopril determination based on modified multiwall carbon nanotubes paste electrode
摘要：
A new sensitive voltammetric sensor was developed for electrochemical determination of captopril (CA...
doi：
10.1590/S0103-50532011000700017
作 者：
Rezaei, B;Karimi-Mal...
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期刊标题：
Journal of the Brazilian Chemical Society
A convenient and efficient protocol for the one pot synthesis of 3,4-Dihydropyrimidin-2-(1H)-ones catalyzed by ionic liquids under ultrasound irradiation
摘要：
Derivatives of 3,4-dihydropyrimidin-2-(1H)-ones were synthesized in excellent yields in short reacti...
doi：
10.1590/S0103-50532011000300014
作 者：
Raval, Dipak K;Sarda...
作者机构：
期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
Searching of protein targets for alpha lipoic acid
摘要：
Alpha lipoic acid (ALA) is one of the most powerful antioxidants and a cofactor in enzyme complexes,...
doi：
10.1590/S0103-50532011001200003
作 者：
University of Cartag...
作者机构：
期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
Ultrasound-assisted emulsification microextraction of trace amounts of Co and Mn ions prior to flame atomic absorption spectrometry
摘要：
The present work reports a procedure based on ligandless-ultrasound-assisted emulsification-microext...
doi：
10.1590/S0103-50532011000100014
作 者：
Baghelani, Yar M.;Ka...
作者机构：
期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
One-pot synthesis of 4H-Chromene and Dihydropyrano[3,2-c]chromene derivatives in hydroalcoholic media
摘要：
4H-Chromenes and dihydropyrano[3,2-c]chromenes are obtained in good to excellent yields by a simple,...
doi：
10.1590/S0103-50532011000500013
作 者：
Bu-Ali Sina Universi...
作者机构：
期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
Activity of the Lupane isolated from Combretum leprosum against Leishmania amazonensis promastigotes
摘要：
This paper describes the activity of the ethanolic extract (EE), obtained from the fruits of Combret...
doi：
10.1590/S0103-50532011000500017
作 者：
Silva-Jardim, Izalti...
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期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
Synthesis and antileishmanial activity of new 1-aryl-1H-pyrazole-4-carboximidamides derivatives
摘要：
Chemotherapy for leishmaniasis, diseases caused by protozoa of the genus Leishmania, remains ineffic...
doi：
10.1590/S0103-50532011000200022
作 者：
Abreu, Paula A;Canto...
作者机构：
期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
Photocatalytic production of hydrogen: an innovative use for biomass derivatives
摘要：
Hydrogen is considered the energy carrier of the future because of its clean and very flexible conve...
doi：
10.1590/S0103-50532011000800002
作 者：
Melo, Marcos de Oliv...
作者机构：
期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
