Chemical constituents of the leaves from Rollinia leptopetala R. E. Fries

期刊论文
摘要:
The phytochemical investigation of Rollinia leptopetala led to the isolation of a new compound named...
doi:
10.1590/S0100-40422012000100025
作 者:
Sette, Ivana Maria F...
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Quimica nova

A validated method using RP-HPLC for quantification of reserpine in the Brazilian tree Rauvolfia sellowii Müll. Arg. (Apocynaceae)

期刊论文
摘要:
This study describesa simple, fast and reproducible method using RP-HPLC-UV, in a gradient system,fo...
doi:
10.1590/S0100-40422012000200031
作 者:
Baratto, Leopoldo C....
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Quimica nova

Speciation analysis of copper and zinc using differential pulse anodic stripping voltammetry

期刊论文
摘要:
This work describes methodologies for speciation analysis of the metals copper and zinc as total, to...
doi:
10.1590/S0100-40422012000100029
作 者:
Tonietto, Alessandra...
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Quimica nova

Development of a homemade device for desalination of brackish water using umbu seeds (Spondias tuberosa Arruda Câmara)

期刊论文
摘要:
The goal of thiswork was to develop a homemade device to desalinate brackish water, using biological...
doi:
10.1590/S0100-40422012000200026
作 者:
Menezes, Joilma da S...
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Quimica nova

Theoretical investigation of electronic excitation transfer between chlorophylls in light-harvesting antenna of photosystem ii using quantum computers

期刊论文
摘要:
The excitation energy transfer between chlorophylls in major and minor antenna complexes of photosys...
doi:
10.1590/S0100-40422012000900018
作 者:
Shojaei, Somaie;Dehe...
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Quimica nova

Basic properties of potassium oxide supported on zeolite y studied by pyrrole-tpd and catalytic conversion of methylbutynol

期刊论文
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doi:
10.1590/S0100-40422012000900003
作 者:
Frank, Roessner;Wojc...
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Quimica nova

Development and validation of a method for analysis of organophosphate residues in milk using gas chromatography with flame photometric detection

期刊论文
摘要:
This paper regards the implementation of the QuEChERS method for the analysis by GC-FPD of 53 differ...
doi:
10.1590/S0100-40422012000800027
作 者:
Nóbrega, Armi Wander...
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Quimica nova

Hydrolytic activity of bacterial lipases in amazonian vegetable oils

期刊论文
摘要:
doi:
10.1590/S0100-40422012000900015
作 者:
Carvalho Neto, Franc...
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Quimica nova

Otto R. Gottlieb and Ernest Wenkert's connections with Brazil

期刊论文
摘要:
Prof. Ernest Wenkert's connections with Brazil on this side of the Atlantic Ocean involved two impor...
doi:
10.1590/S0100-40422012001100039
作 者:
Silva, Fernando de C...
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Quimica nova

Chemical study of Sinningia allagophylla guided by antiproliferative activity assays

期刊论文
摘要:
Activity guided fractionation of Sinningia allagophylla (Mart.) Wiehler ethanolic extract yielded a ...
doi:
10.1590/S0100-40422012000500020
作 者:
Poliquesi, Clarisse ...
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Quimica nova
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