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Autores: A partir do fascículo 39/9 a revista Química Nova adotou a licença CC-BY. Mais informações a respeito dessa licença podem ser obtidas aqui.

vol. 39, No. 4, 2016, p. 409-533

 

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The Board of Directors of the Sociedade Brasileira de Química-SBQ (publisher of the Química Nova-QN) decided that QN will adopt the full open access format in which authors are required to cover part of the publication costs for their articles. See more...



Artigo de Capa
Quim. Nova 2016, 39(4), 409-414

ZnO and Ag-ZnO crystals: synthesis, characterization, and application in heterogeneous photocatalysis

Adriana Campano LucilhaI; Marcelo Rodrigues da SilvaII; Rômulo Augusto AndoIII; Luiz Henrique Dall'AntoniaI; Keiko TakashimaI,*

ZnO surface modification by the addition of silver was efficient in the photocatalytic decolorization of the DR23 diazo dye, due to silver's ability to inhibit recombination of charge carriers, photogenerated on the oxide surface.

http://dx.doi.org/10.5935/0100-4042.20160041

Publicado online: março 11, 2016
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Artigos Quim. Nova 2016, 39(4), 415-422

 

The novel mesoporous silica aerogel modified with protic ionic liquid for lipase immobilization

Anderson S. BarbosaII,III; Jessica A. LisboaI; Matheus A. O. SilvaI; Nayára B. CarvalhoI; Matheus M. PereiraII; Alini T. FricksI; Silvana MattediIV; Álvaro S. LimaI; Elton FranceschiIII; Cleide M. F. SoaresI,*


Lipase from Burkholderia cepacia immobilized into or onto silica support modified with protic ionic liquid and dried in pressurized media (aerogel) shows promising potential for industrial applications in the hydrolysis of vegetable oils.

http://dx.doi.org/10.5935/0100-4042.20160042

Publicado online: março 11, 2016
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Quim. Nova 2016, 39(4), 423-430

 

Ação inibidora de extratos da semente do mamão papaia na corrosão do aço-carbono 1020 em HCl 1 mol L-1

Vanessa V. TorresI,II; Gabriela Borges CabralII; Ana Carolina Gomes da SilvaII; Kelly Cristina Ribeiro FerreiraI; Eliane D'EliaI,*


The effect of papaya seed extracts on the corrosion of carbon steel in 1 mol L-1 HCl was examined using polarization curves, impedance measurements, and weight loss measurements.

http://dx.doi.org/10.5935/0100-4042.20160046

Publicado online: março 18, 2016
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Quim. Nova 2016, 39(4), 431-436

 

Efeito da ativação química nas propriedades de superfície de xisto retortado

Marta Eliane DoumerI; Gilberto AbateI; Iara MesserschmidtI,*; Lívia Mari AssisII; Rosane MartinazzoIII; Carlos Augusto Posser SilveiraIII


The functionalization of an industrial oil shale by-product increased the cation exchange capacity of the material for use in enhancing soil properties and improving soil fertility.

http://dx.doi.org/10.5935/0100-4042.20160051

Publicado online: março 28, 2016
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Quim. Nova 2016, 39(4), 437-441

 

Estudo teórico de complexos binucleares de manganês(II) com o ligante 2-hidroxibenzilglicina, possíveis miméticos para a catecol oxidase

Everton T. da SilvaI,II,*; Annelise CasellatoII; Sérgio de P. MachadoII


This work shows the theoretical study of binuclear complexes of Mn2+ ion with the 2-hydroxibenzilglycine ligand and its substituted derivatives, aiming to evaluate their possible activities as mimetic for catechol oxidase.

http://dx.doi.org/10.5935/0100-4042.20160052

Publicado online: março 28, 2016
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Quim. Nova 2016, 39(4), 442-449

 

Determinação de metais em água e folha de Aechmea blanchetiana (Baker) L.B

Jaline R. RibeiroI; Sergio SiqueiraI; Cleber G. NovaesII,*; João H. Santos NetoII


The assessment of water and leaf of bromeliad (Aechmea blanchetiana) showed similar behavior in almost all evaluated points.

http://dx.doi.org/10.5935/0100-4042.20160058

Publicado online: abril 12, 2016
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Quim. Nova 2016, 39(4), 450-455

 

Elaboração e caracterização de blendas de amido fosforilado com quitosana e PVA

Paloma L. da SilvaI; Anida M. M. GomesII,*; Nágila M. P. S. RicardoI; Terezinha F. MachadoIII


Representative image of the study using the phosphorylated yam starch for the preparation of plastic films with good properties for using as mulchings and / or dressings.

http://dx.doi.org/10.5935/0100-4042.20160043

Publicado online: março 11, 2016
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Quim. Nova 2016, 39(4), 456-461

 

Actividad antioxidante de los polifenoles de Hypogymnia tavaresii D. Hawksw. & P. James

Elsa M. Rodríguez PérezI; Francisco J. Toledo MaranteI,*; Josefa Caballero HernándezI; Jaime Bermejo BarreraII; Francisco J. Estevez RosasIII


Lichens synthesize a great variety of metabolites with different structures and potential antioxidant activities. Unsurprisingly, the large pharmaceutical companies have initiated programs for the application of these metabolites in medicines using a multitude of modern biotests.

http://dx.doi.org/10.5935/0100-4042.20160053

Publicado online: março 28, 2016
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Quim. Nova 2016, 39(4), 462-466

 

3D nanocomposite chitosan/bioactive glass scaffolds obtained using two different routes: an evaluation of the porous structure and mechanical properties

Elke M. F. LemosI; Patrícia S. O. PatrícioII; Marivalda M. PereiraI,*


Nanocomposite scaffolds in the Chitosan/PVA/Bioactive glass system obtained were highly porous (> 64%), exhibiting a cellular microstructure with interconnected pores in the 50-227 µm range, and thin walls.

http://dx.doi.org/10.5935/0100-4042.20160047

Publicado online: março 18, 2016
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Quim. Nova 2016, 39(4), 467-473

 

Computational study on structure and properties of new energetic material 3,7-bis(dinitromethylene)-2,4,6,8-tetranitro-2,4,6,8-tetraaza-bicyclo[3.3.0]octane

Xinghui Jin*,I; Jianhua ZhouII; Shijie WangI; Bingcheng HuII


A new high-energy density material (HEDM) 3,7-bis(dinitromethylene)- 2,4,6,8-tetranitro-2,4,6,8-tetraazabicyclo[3.3.0]octane was designed, and its physical and chemical properties were fully studied by density functional theory (DFT) method at B3LYP/6-31G (d,p) level.

http://dx.doi.org/10.5935/0100-4042.20160054

Publicado online: março 28, 2016
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Revisão Quim. Nova 2016, 39(4), 474-485

 

Padrões de Turing em sistemas químicos#

Raphael NagaoI; Hamilton VarelaII,*


The emergence of self-organized structures in chemical systems kept under far from equilibrium can be described by the coupling between nonlinear kinetics and diffusive processes.

http://dx.doi.org/10.5935/0100-4042.20160026

Publicado online: fevereiro 18, 2016
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Quim. Nova 2016, 39(4), 486-495

 

Fontes, formação, reatividade e determinação de quinonas na atmosfera

Eliane Teixeira Sousa#; Wilson A. Lopes#; Jailson B. de Andrade*,#


Schematic representation of quinones sources, their behavior, paths in the atmosphere and effects on health.

http://dx.doi.org/10.5935/0100-4042.20160034

Publicado online: fevereiro 22, 2016
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Nota Técnica Quim. Nova 2016, 39(4), 496-501

 

Evaluation of cryolite from pitinga (Amazonas-Brazil) as a source of hydrogen fluoride

Jéssica F. PaulinoI; Reiner NeumannII; Júlio C. AfonsoI,*


Production of high purity grade hydrogen fluoride from cryolite.

http://dx.doi.org/10.5935/0100-4042.20160049

Publicado online: março 18, 2016
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Educação Quim. Nova 2016, 39(4), 502-506

 

Entendendo o processo químico de bioativação da sinvastatina por métodos experimentais e computacionais: uma aula prática

Maurício Temotheo TavaresI; Marina Candido PrimiI; Camila Felix de CarvalhoI; Michelle Carneiro PolliII; Roberto Parise-FilhoI,*


An alternative and playful practical class integrating experimental and in silico approaches for medicinal chemistry learning process.

http://dx.doi.org/10.5935/0100-4042.20160028

Publicado online: fevereiro 18, 2016
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Quim. Nova 2016, 39(4), 507-512

 

Formando um perfil profissional para uma carreira de sucesso na indústria

Aluir PurcenoI; Matheus DuarteII; Luiz Cláudio de Melo CostaIII; Simone Pires BuenoIV; Guilherme GomesV; Rochel Montero LagoVI,*


In this work, chemists with experience in different areas of industry and academy raised some important issues in career planning to help undergraduate chemistry students to get prepared for the future professional life.

http://dx.doi.org/10.5935/0100-4042.20160030

Publicado online: fevereiro 18, 2016
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Quim. Nova 2016, 39(4), 513-521

 

Licenciandos em química e argumentação científica: tendências nas ações discursivas em sala de aula

Ariane Baffa Lourenço; Jerino Queiroz Ferreira; Salete Linhares Queiroz*


Examining the nature of discourse actions of pre-service chemistry teachers in order to allow the students to construct arguments.

http://dx.doi.org/10.5935/0100-4042.20160035

Publicado online: fevereiro 22, 2016
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Quim. Nova 2016, 39(4), 522-529

 

Perfil e perspectivas de estudantes do curso de licenciatura em química da UEPG

Tathiane MilaréI,*; Patrícia Los WeinertII


The main result of study on the profile and expectations indicated that students in Chemistry in University of Ponta Grossa, Paraná, Brazil, would like be a teacher or continue their studies in post-graduation.

http://dx.doi.org/10.5935/0100-4042.20160022

Publicado online: fevereiro 17, 2016
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Assuntos Gerais Quim. Nova 2016, 39(4), 530-533

 

Unremitting problems with chlorogenic acid Nomenclature: A review

Daniel Kremr; Tomás Bajer; Petra Bajerová*; Silvie Surmová; Karel Ventura


According to the IUPAC, the term chlorogenic acid should be used for 5-caffeoylquinic acid and NOT for 3-caffeoylquinic acid.

http://dx.doi.org/10.5935/0100-4042.20160063

Publicado online: abril 12, 2016
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