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EDIÇÃO ATUAL vol. 45, No. 2, 2022
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Uma breve revisão sobre a catálise por átomos isolados: Conceitos e aplicações
Luanne E. M FerreiraI; Ruan S. A RibeiroI; Vinicius G. C MadriagaI; Sancler C VasconcelosI; Eric T. T ShimabukuroI; Vinicius RossaI; Sara S VieiraI; Fabio B PassosII,*; Thiago M LimaI,*
Single-atom catalysts link homogeneous and heterogeneous catalysis, presenting advantages such as easy recovery, recyclability, high exposure, and uniformity of active sites.
http://dx.doi.org/10.21577/0100-4042.20170822
Optimization of eugenol-loaded microcapsules obtained by spray drying using a simplex-centroid mixture design
Paulo Rodrigo Stival BittencourtI,*; Ruth dos Santos da VeigaII,#; Rosana Aparecida da Silva-BuzanelloII,#; Fernando Reinoldo ScreminI; Tania Aparecida Becker-AlgeriII,III,#; Marinês Paula CorsoII,#; Éder Lisandro de Moraes FloresI; Cristiane CananII,#
Microencapsulated eugenol system obtained by spray drying using low-lactose content whey protein, rice bran protein, and bovine serum albumin as wall materials.
http://dx.doi.org/10.21577/0100-4042.20170810
Perspectivas para 2022
Giovanna Machado; Jorge M. David; Nelson H. Morgon
http://dx.doi.org/10.21577/0100-4042.20170873
Total access: 284
Atividade inibitória de pesticidas piretroides sobre a glutationa S-transferase
Eliane B RibeiroI,*; Mihaela BadeaII; Danilo B RibeiroI; Andressa R. C CostaI; Djanira R. dos SantosI; Paulo R. B. O MarquesI; Gilvanda S NunesI
Inhibition effect promoted by pyrethroid insecticides in the reaction catalyzed by glutathione S-transferase (GST) between reduced glutathione (GSH) and 1-chloro-2,4-dinitrobenzene (CDNB).
http://dx.doi.org/10.21577/0100-4042.20170804
Preparation of fluorescent polystyrene microspheres by improving swelling performance based on molecular weight and surface carboxyl group content
Fei SunI; Chao FengII; Yang WangI; Xue YangI; Hong ZhaoI,*
In the paper, luorescent polystyrene microspheres are prepared by incorporating Eu(NTFA)3Phen (4,4,4-trifluoro-1-(2-naphthyl)-1,3-butanedione, Phen,10-phenanthroline) molecules into carboxylated polystyrene microspheres via the swelling-evaporation method.
http://dx.doi.org/10.21577/0100-4042.20170808
Molecular dereplication of volatile oils from Saururus cernuus l. and evaluation of Snti-Trypanosoma cruzi activity
Juliana R BritoI; Thais A Costa-SilvaII; Vinicius S LonderoI; João L BaldimIII; Andre G TemponeIV; Edgard A FerreiraV,*; João Henrique G LagoII,*
This work describes the molecular dereplication (GC/MS and PLS/DA) and the evaluation of anti-T. cruzi activity/toxicity against NCTC cells of volatile oils from inflorescences, leaves, branches, and roots of Saururus cernuus L.
http://dx.doi.org/10.21577/0100-4042.20170811
Ficocianina como indicador de cianobactérias em reservatórios
Thiago T. da Silva*; Rufina A. M Albuquerque; Helena Becker
Steps of the phycocyanin analysis procedure in water: (I) filtration, (II) addition of buffer, (III) freezing, (IV) thawing, (V) sonication, (VI) centrifugation.
http://dx.doi.org/10.21577/0100-4042.20170814
Cinética de pirólise para o sorgo lignocelulósico: análise de dados termogravimétricos para aplicação do modelo de Friedman
Matheus H. B. P. da SilvaI; Tiago J. P. de OliveiraII; Carlos H AtaídeIII; Daniel A CerqueiraIV,*; Nádia G SousaI; Cássia R CardosoV
The work aimed to explore the slow pyrolysis of lignocellulosic sorghum; a biomass still little explored for kinetic parameters estimation. The Friedman model was used to determine accurate values of activation energy.
http://dx.doi.org/10.21577/0100-4042.20170816
Métodos analíticos para determinar Lactonas Macrocíclicas en diferentes tipos de matrices. Una revisión
Patricia Esmeralda Vázquez-QuintalI; Roger Iván Rodríguez-VivasII; David Muñoz-RodríguezI,*
The review focuses on sample preparation and analytical techniques related with the determination of macrocyclic lactones in biological, alimentary, and environmental simples.
http://dx.doi.org/10.21577/0100-4042.20170818
Edulcorantes de alta intensidade: tendências de uso em alimentos e avanços em técnicas analíticas
Ícaro G. Nicoluci; Carolina T. Takehara; Adriana P. A. Bragotto*
Several analytical methods have already been developed for the determination of sweeteners in foods and they are of great importance for ensuring food and consumer safety.
http://dx.doi.org/10.21577/0100-4042.20170828
Avaliação analítica de analisador de combustível comercial no controle de qualidade de etanol e gasolina comum
Sthefany dos S. Sena; Ernesto C. Ferreira*
Volumetric and glass densimeter official methods versus commercial photometric method: Accuracy, Precision, Linearity and Selective studies on fuel analysis.
http://dx.doi.org/10.21577/0100-4042.20170817
Construção, otimização e ancoragem molecular de substâncias bioativas em biomacromoléculas: um tutorial prático
Victor S. Batista; Renan L. Farias; Leonardo P. M. Simões; Nailton M. Nascimento-Júnior
We described herein, a low-cost workflow for molecular docking. In this context, you will learn: how to build up and optimize the ligands, micro-species speciation, how to perform molecular docking, ligand-receptor analysis and generation of quality figures.
http://dx.doi.org/10.21577/0100-4042.20170821
Cerveja egípcia? educação para as relações étnico-raciais (ERER) na formação docente em química
Eliete Lucia Silva; Marysson Jonas Rodrigues Camargo; Anna Maria Canavarro Benite*
This article brings the insertion of theoretical and methodological aspects in the chemistry teacher training course for the implementation and operationalization of Law 10639/03.
http://dx.doi.org/10.21577/0100-4042.20170833
Microlearning as a tool for scientific dissemination: thermal analysis of the portuguese good luck rooster
Raquel Magri; Caroline Gaglieri; Rafael Turra Alarcon; Aguinaldo Robinson de Souza; Gilbert Bannach*
DSC curve shows the behavior of cobalt (II) chloride hexahydrate during heating.
http://dx.doi.org/10.21577/0100-4042.20170836
Anais dos ENEQ: o que nos dizem sobre a área de educação em química no Brasil?
Daniela Marques AlexandrinoI; Paulo Sergio BretonesII; Salete Linhares QueirozI,*
The relationship between National Meeting on Chemistry Education and the Chemistry Education area.
http://dx.doi.org/10.21577/0100-4042.20170834
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