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Determination of the phthalocyanine textile dye, reactive turquoise blue, by electrochemical techniques
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- Turquoise blue 15 (AT15) is a reactive dye widely used in the textile industry to color natural fibe...
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10.1590/S0103-50532003000400025
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Osugi, Marly E.;Zano...
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Journal of the Brazilian Chemical Society
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New ester and furocoumarins from the roots of Pituranthos tortuosus
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- Seven compounds were isolated from the CHCl3 soluble fraction of the roots of Pituranthos tortuosus;...
- doi：
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10.1590/S0103-50532003000100008
- 作 者：
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Abdel-Kader, Maged S...
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Journal of the Brazilian Chemical Society
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Near Infrared Spectroscopy: fundamentals, practical aspects and analytical applications
- 摘要：
- This paper intends to review the basic theory of Near Infrared (NIR) Spectroscopy and its applicatio...
- doi：
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10.1590/S0103-50532003000200006
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Universidade Estadua...
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Journal of the Brazilian Chemical Society
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Direct electron transfer: an approach for electrochemical biosensors with higher selectivity and sensitivity
- 摘要：
- The most promising approach for the development of electrochemical biosensors is to establish a dire...
- doi：
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10.1590/S0103-50532003000200008
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Kubota, Lauro T.;Mel...
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Journal of the Brazilian Chemical Society
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Selective hydrogenation of 1,3-butadiene by transition metal compounds immobilized in 1-butyl-3-methyl imidazolium room temperature ionic liquids
- 摘要：
- The hydrogenation of dienes to mono-olefins has several potentially useful applications in industry....
- doi：
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10.1590/S0103-50532003000300010
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Souza, Roberto F. de...
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Journal of the Brazilian Chemical Society
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Synthesis of new cationic metalloporphyrins and heterodimer formation with anionic metallophthalocyanines
- 摘要：
- There is great interest in the investigation of heterodimers formed by metalloporphyrins and metallo...
- doi：
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10.1590/S0103-50532003000600008
- 作 者：
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Azzellini, Gianluca ...
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Journal of the Brazilian Chemical Society
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Synthesis in pilot plant scale and physical properties of sulfonated polystyrene
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- The homogenous sulfonation of polystyrene was developed in a pilot plant scale producing polymers wi...
- doi：
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10.1590/S0103-50532003000500015
- 作 者：
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Universidade Estadua...
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Journal of the Brazilian Chemical Society
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Analysis of hysteresis phenomenon as observed from voltammetric data of conducting polymers: part I
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- The hysteresis phenomenon inherent to redox processes of Electronic Conducting Polymers (ECP) has be...
- doi：
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10.1590/S0103-50532003000100015
- 作 者：
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Pernaut, Jean Michel...
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Journal of the Brazilian Chemical Society
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Comparative study of two spectrophotometric reagents for catechol analysis in guaraná seeds powder
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- In this article are described and compared two spectrophotometric methods for the analysis of catech...
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10.1590/S0103-50532003000100021
- 作 者：
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Tubino, Matthieu;Uni...
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Journal of the Brazilian Chemical Society
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Is copper an inhibiting factor for primary production in the upwelling waters of Cabo Frio?
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- The goal of the present work was to test the hypothesis that inorganic species of copper may inhibit...
- doi：
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10.1590/S0103-50532003000500018
- 作 者：
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Universidade Federal...
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Journal of the Brazilian Chemical Society
