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Química Nova
Print version ISSN 0100-4042

 

Table of contents
Quím. Nova vol.34 no.2 São Paulo  2011

 Editorial
  
 ·  País emergente em ciência
Torresi, Susana I. Córdoba de; Pardini, Vera L.; Ferreira, Vitor F.

        · text in Portuguese     · pdf in Portuguese
  
 Artigo
  
 ·  Pigments of prehistoric rupestrian paintings from The Letreiro do Quinto Site, Pedro II, Piauí, Brazil
Alves, Tetisuelma Leal; Brito, Maria Auxiliadora Mendes Liberal de; Lage, Maria Conceição Soares Meneses; Cavalcante, Luis Carlos Duarte; Fabris, José Domingos

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Effect of metal ions on the in vitro availability of enoxacin, its in vivo implications, kinetic and antibacterial studies
Sultana, Najma; Humza, Erum; Arayne, Muhammad Saeed; Haroon, Urooj

        · abstract in English     · text in English     · pdf in English
  
 ·  Glyphosate transport in runoff and leaching waters in agricultural soil
Queiroz, Gabriela Marina Pompeo; Silva, Marcos Rivail da; Bianco, Renata Joaquim Ferraz; Pinheiro, Adilson; Kaufmann, Vander

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Relation between immersion enthalpy of activated carbon monoliths and textural parameters
Vargas, Diana P.; Gutiérrez, Liliana Giraldo; Moreno, Juan Carlos

        · abstract in English     · text in Spanish     · pdf in Spanish
  
 ·  Influence of the cooling conditions on surface and electrochemical properties of dimensionally stable anodes
Rufino, Élen C. G.; Faria, Luiz A. de; Silva, Leonardo M. da

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Development of analytical methods for HPLC-UV to the antimicrobians tetracycline, sulfa-methoxazole and trimethoprim using zirconocene-based silica as pre-concentration/extraction systems
Pedroso, Rosana Cristina Ribeiro; Peralba, Maria do Carmo Ruaro; Santos, João Henrique Zimnoch dos; Pizzolato, Tânia Mara; Fröehlich, Pedro Eduardo

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Retrieval of kinetic rates in reactions with semi batch liquid phase using ill-posed inverse problem theory
Sebastião, Rita C. O.; Braga, João Pedro; Virtuoso, Luciano S.; Borges, Emílio

        · abstract in English     · text in English     · pdf in English
  
 ·  Removal of high-molecular weight polycyclic aromatic hydrocarbons
Vasconcelos, Ulrich; França, Francisca P. de; Oliveira, Fernando J. S.

        · abstract in English     · text in English     · pdf in English
  
 ·  Triterpenes and new saponins from Ilex chamaedryfolia: chemotaxonomic tool to ilex species differentiation
Lencina, Claiton L.; Cardoso, Mariana C. de; Zancanaro, Ivomar; Gosmann, Grace; Pires, Viviane S.; Sonnet, Pascal; Guillaume, Dominique; Schenkel, Eloir P.

        · abstract in English     · text in English     · pdf in English
  
 ·  Evaluation of the uncertainties associated to the determination of the Hildebrand solubility parameter of crude oils
Moura, Lyzette Gonçalves Moraes de; Rolemberg, Marlus Pinheiro; Ramos, Antonio Carlos da Silva; Santos, Maria de Fátima Pereira dos; Zilio, Evaldo López

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Isolation and selection of microorganisms resistant and able to volatilize mercury
Giovanella, Patricia; Bento, Fátima; Cabral, Lucélia; Gianello, Clesio; Camargo, Flávio Anastácio Oliveira

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Cytotoxic derivatives of withanolides isolated from the leaves of Acnistus arborescens
Minguzzi, Sandro; Barata, Lauro E. S.; Cordell, Geoffrey A.

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Quantitative structure-retention relationships analysis of retention index of essential oils
Noorizadeh, Hadi; Farmany, Abbas; Noorizadeh, Mehrab

        · abstract in English     · text in English     · pdf in English
  
 ·  Development and validation of a stability-indicating UPLC method for rosuvastatin and its related impurities in pharmaceutical dosage forms
Reddy, Gosula Venkat Ram; Reddy, Bobba Venkateswara; Haque, Syed Wasimul; Gautam, Haum Dutt; Kumar, Poonam; Kumar, Avvaru Praveen; Park, Jung Hag

        · abstract in English     · text in English     · pdf in English
  
 ·  Sequential injection analysis system with spectrophotometric detection for determination of norfloxacin and ciprofloxacin in pharmaceutical formulations
Rufino, José Luiz; Pezza, Helena Redigolo; Pezza, Leonardo; Pinto, Paula C. A. G.; Saraiva, M. Lúcia M. F. S.; Lima, José L. F. C.

        · abstract in English     · text in English     · pdf in English
  
 ·  Chemical bleaching of the Brazilian kaolin: the effect of the pulp eletrochemical potential and pH adjustment
Silva, Fernanda Arruda Nogueira Gomes da; Garrido, Francisco Manoel dos Santos; Medeiros, Marta Eloísa; Sampaio, João Alves; Luz, Adão Benvindo da; Mello, Lívia da Silva; Silva, Flávio Teixeira da

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Flavonoids from Lonchocarpus campestris (Leguminosae)
Pires, Andreza Maria L.; Silveira, Edilberto R.; Pessoa, Otília Deusdênia L.

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Determination of trihalomethanes and pesticides in water by gas chromatography
Carlos, Elenice A.; Neves, Antônio A.; Reis, César; Queiroz, Maria Eliana L. R. de

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Determination of chemical constituents in eucalyptus wood by Py-GC/MS and multivariate calibration: comparison between artificial neural network and support vector machines
Nunes, Cleiton Antônio; Lima, Claudio Ferreira; Barbosa, Luiz Cláudio de Almeida; Colodette, Jorge Luiz; Fidêncio, Paulo Henrique

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Antifungal glycoalkaloids, flavonoids and other chemical constituents of Solanum asperum Rich (Solanaceae)
Pinto, Francisco das Chagas L.; Uchoa, Daniel Esdras de A.; Silveira, Edilberto R.; Pessoa, Otília Deusdênia L.; Braz-Filho, Raimundo; Silva, Fernanda M. e; Theodoro, Phellipe N. E. T.; Espíndola, Laila S.

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Bromopyrrole alkaloids from the caribbean sponge Agelas cerebrum
Regalado, Erik L.; Laguna, Abilio; Mendiola, Judith; Thomas, Olivier P.; Nogueiras, Clara

        · abstract in English     · text in English     · pdf in English
  
 Revisão
  
 ·  Pharmaceutical use of galactomannans
Silveira, Joana Léa Meira; Bresolin, Tania Mari Bellé

        · abstract in English     · text in English     · pdf in English
  
 ·  Pathophysiologic relationships between oxidative stress and atherosclerosis
Silva, Danielle da Costa; Cerchiaro, Giselle; Honório, Káthia M.

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Glycerol: a brief history and their application in stereoselective syntheses
Beatriz, Adilson; Araújo, Yara J. K.; Lima, Dênis Pires de

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 Nota técnica
  
 ·  Analysis of organic contaminants and copper in cachaça
Zacaroni, Lidiany Mendonça; Cardoso, Maria das Graças; Saczk, Adelir Aparecida; Santiago, Wilder D.; Anjos, Jeancarlo Pereira dos; Masson, José; Duarte, Felipe C.; Nelson, David Lee

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Determination of the corrosion current density in low conductivity media: the use of microelectrodes to minimize the ohmic drop
Oliveira, Paulo César A. de; Bertazzoli, Rodnei

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Solid state Differential Pulse Voltammetry (DPV) from spots of Thin Layer Chromatography (TLC): a new method for analysis of antioxidant phytoactives
Gonçalves, Darlene; Couto, Renê O.; Conceição, Edemilson C.; Reis, Nathasha S.; Gil, Eric S.

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Optimization of method to analyze folate in leafy vegetables by high performance liquid chromatography with fluorescence detection
Lucia, Ceres Mattos Della; Silva, Elizangela Rodrigues da; Ribeiro, Sônia Machado Rocha; Pinheiro-Sant'Ana, Helena Maria; Brandão, Sebastião César Cardoso

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Espectrofotometric determination of sulfur in plants using dry ash oxidation and alkaline oxidizers
Rossete, Alexssandra Luiza Rodrigues Molina; Carneiro, Josiane Meire Tolotti; Batagello, Hugo Henrique; Oliveira, Juliana Graciela Giovannini; Bendassolli, José Albertino

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Cyclic cooling system for use in thermal distiller
Assirati, Lucas; Pereira, Carlos A.; Nunes, Luiz A. O.

        · text in Portuguese     · pdf in Portuguese
  
 Educação
  
 ·  The Master Equation: reaching the equilibrium
Correra, Thiago Carita; Frank, André de Carvalho

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Ciência Hoje articles as a didatic tool in chemistry teaching
Ferreira, Luciana Nobre de Abreu; Queiroz, Salete Linhares

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 Assuntos gerais
  
 ·  The first regular chemistry course in Brazil
Santos, Nadja Paraense dos; Filgueiras, Carlos A. L.

        · abstract in English     · text in Portuguese     · pdf in Portuguese