Characterization of PM10 and PM2.5 and size distribution of chloride, nitrate and sulphate in urban and rural atmospheres of Londrina

期刊论文
摘要:
Samplings of atmosphericparticulate matter (PM) were carried out between the months of March and Apr...
doi:
10.1590/S0100-40422009000700013
作 者:
Freitas, Adriana de ...
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Quimica nova

Carotenoids production: microorganisms as source of natural dyes

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摘要:
Carotenoids arenatural dyes synthesized by plants, algae and microorganisms. Application inmany sect...
doi:
10.1590/S0100-40422009000900036
作 者:
Fúrigo Júnior, Ageno...
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Quimica nova

A system for detection of volatile antioxidant commonly emitted from spices and medicinal herbs

期刊论文
摘要:
doi:
10.1590/S0100-40422009000200035
作 者:
Núñez-Vergara, Luís;...
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Quimica nova

Chemical constituents and insecticidal activity from fruits extracts of Trichilia elegans AND T. catigua (Meliaceae)

期刊论文
摘要:
Phytochemical investigationof the fruits extracts of Trichilia elegans and Trichilia catigua(Meliace...
doi:
10.1590/S0100-40422009000600037
作 者:
Fernandes, João Bati...
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Quimica nova

Determination of paracetamol using a flow injection analysis with multicommutation and chemiluminescence detection

期刊论文
摘要:
A flow injectionchemiluminescence method for the determination of paracetamol in pharmaceuticalformu...
doi:
10.1590/S0100-40422009000700014
作 者:
Leite, Oldair D.;Bat...
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Quimica nova

HOW WE HAVE USED ITEM RESPONSE THEORY AND CLASSROOM MANAGEMENT TO IMPROVE STUDENT SUCCESS RATES IN LARGE GENERAL CHEMISTRY CLASSES

期刊论文
摘要:
Since 2012 we have tracked general chemistry student success rates at the University of Utah. In eff...
doi:
10.21577/0100-4042.20170006
作 者:
Ohlsen, Braden R.;Ca...
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Quimica nova

FAST AND SIMPLE DETERMINATION OF SILDENAFIL CITRATE (VIAGRA® AND GENERICS) USING CARBON SCREEN-PRINTED ELECTRODE IN FIA AND BIA SYSTEMS WITH AMPEROMETRIC DETECTION

期刊论文
摘要:
This work presents two amperometric methods for Sildenafil Citrate (SC) determination in erectile dy...
doi:
10.21577/0100-4042.20170047
作 者:
Silva, Rodrigo A. B....
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Quimica nova

A NOVEL RHODAMINE-BASED FLUORESCENCE CHEMOSENSOR CONTAINING POLYETHER FOR MERCURY (II) IONS IN AQUEOUS SOLUTION

期刊论文
摘要:
A novel rhodamine-based Hg2+ chemosensor P2 containing polyether was readily synthesized and investi...
doi:
10.21577/0100-4042.20170060
作 者:
Shu, Weixin;Cheng, Y...
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Quimica nova

EVALUATION OF TRACE ELEMENTS RELEASING FROM SOILS TREATED WITH RETORTED OIL SHALE

期刊论文
摘要:
Soils that had received successive applications of retorted oil shale (ROS) in an experiment under f...
doi:
10.21577/0100-4042.20170030
作 者:
Pereira, Betânia F.;...
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Quimica nova

Binary systems of Brij® surfactants with Pluronic® F127 as griseofulvin carrier

期刊论文
摘要:
The binary mixtures of Brij庐 surfactant and Pluronic庐 F127 were studied as carriers of griseofulvin....
doi:
10.21577/0100-4042.20170003
作 者:
Moura, Carolina L. d...
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Quimica nova
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