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Química Nova
Print version ISSN 0100-4042

 

Table of contents
Quím. Nova vol.31 no.7 São Paulo  2008

 Editorial
  
 ·  Novidades em QN
Torresi, Susana I. Córdoba de; Pardini, Vera L.; Ferreira, Vitor F.

        · text in Portuguese     · pdf in Portuguese
  
 Artigo
  
 ·  Lipid content and fatty acids composition variation of microalgae exposed to CO2, SO2 and NO
Radmann, Elisangela Martha; Costa, Jorge Alberto Vieira

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Nitrous oxide fluxes at the air-sea interface in Guanabara Bay
Guimarães, Giselle Parno; Mello, William Zamboni de

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Physico-chemical characterization of prato cheese by infrared spectroscopy and partial least squares regression
Sauer-Leal, Elenise; Okada, Fernanda Martins; Peralta-Zamora, Patricio

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Determination of Cd and Pb in fuel ethanol by filter furnace electrothermal atomic absorption spectrometry
Saint'Pierre, Tatiana D.; Maranhão, Tatiane de A.; Frescura, Vera L.; Curtius, Adilson J.; Aucélio, Ricardo Q.

        · abstract in English     · text in English     · pdf in English
  
 ·  Evaluation of the organophosphates pesticides contamination in superficial water of Rondinha - Rio Grande do Sul
Griza, Francieli Três; Ortiz, Karen Saldanha; Geremias, Douglas; Thiesen, Flávia Valladão

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Oxidation of organic compounds in wastewater from the humid processing of coffee berries
Gonçalves, Maraísa; Guerreiro, Mário César; Oliveira, Luiz Carlos Alves; Rocha, Cristian Luciana da

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Prediction of chemical oxygen demand in mature landfill leachate doped with Fenton's reagent, using empirical mathematical model obtained by full factorial design
Peixoto, André Luís de Castro; Brito, Renata Alves de; Salazar, Rodrigo Fernando dos Santos; Guimarães, Oswaldo Luiz Cobra; Izário Filho, Hélcio José

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Chemical composition and antimicrobial activity of the essential oil of Hyptis pectinata (l.) Poit.
Santos, Patrícia O.; Costa, Marcilene de J. C.; Alves, José A. B.; Nascimento, Paula F. C.; Melo, Dângelly L. F. M. de; Barbosa Jr., Antônio M.; Trindade, Rita de C.; Blank, Arie F.; Arrigoni-Blank, Maria F.; Alves, Péricles B.; Nascimento, Maria da Paz F. do

        · abstract in English     · text in English     · pdf in English
  
 ·  Turbidimetric determination of antidepressant amitriptyline in fia system exploiting the ion-pair formation with sodium lauryl sulphate
Silveira, Gustavo; Tarley, César Ricardo Teixeira

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Screening of the antioxidant potential of bee pollen produced in the southern region of Brazil
Carpes, Solange Teresinha; Prado, Adna; Moreno, Ivani Aparecida M.; Mourão, Gerson Barreto; Alencar, Severino Matias de; Masson, Maria Lúcia

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Validation of methods for determination of fluoxetine capsules
Fregonezi-Nery, Marlene Maria; Baracat, Marcela Maria; Casagrande, Rubia; Machado, Hodnei Takashi; Miglioranza, Bruna; Gianotto, Elisabeth Aparecida dos Santos; Dalmas, José Carlos

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Biological activity of lapachol and some derivatives as antifungal and in seed germination
Souza, Marco Andre Alves de; Silva, Andrea Rosane da; Ferreira, Marcio Alcântara; Lemos, Marcela Jacques de; Ramos, Rafael Gonçalves; Ferreira, Aurélio Baird Buarque; Souza, Sonia Regina de

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  A theoretical study of molecular properties of C2H4···2HF, C2H2···2HF AND C3H6···2HF trimolecular hydrogen-bonded complexes
Oliveira, Boaz G.; Araújo, Regiane C. M. U.; Pereira, Flávia S.; Lima, Emmanuela F.; Silva, Washington L. V.; Carvalho, Antônio B.; Ramos, Mozart N.

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Chaetoglobosins produced by Chaetomium globosum, endophytic fungus found in association with Viguiera robusta Gardn (Asteraceae)
Momesso, Luciano da S.; Kawano, Cristina Y.; Ribeiro, Patrícia H.; Nomizo, Auro; Goldman, Gustavo H.; Pupo, Mônica T.

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Development and validation of a high performance liquid chromatographic method for simultaneous determination of the impurities thymine and thymidine in stavudine bulk drug
Silva, Gisele Rodrigues da; Condessa, Felipe Antonacci; Pianetti, Gérson Antônio; Nunan, Elzíria de Aguiar; Campos, Ligia Maria Moreira de

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Chemical constituents of Vernonia chalybaea mart.
Costa, Francisco José da; Bandeira, Paulo N.; Albuquerque, Maria Rose Jane R.; Pessoa, Otília Deusdênia L.; Silveira, Edilberto R.; Braz-Filho, Raimundo

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Dectection of contaminants in a bioindicator species (Corbicula fluminea) - Ribeira de Iguape River, Sao Paulo State
Guimarães, Valéria; Sígolo, Joel Barbujiani

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Evaluation of the antioxidant potential of plant extracts obtained by supercritical fluid extraction
Justo, Oselys Rodriguez; Moraes, Ângela Maria; Barreto, Gisela Pizarro de Mattos; Mercadante, Adriana Zerlotti; Rosa, Paulo de Tarso Vieira e

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Nanostructured TiO2 thin films by polymeric precursor method
Stroppa, Daniel Grando; Giraldi, Tania Regina; Leite, Edson Roberto; Varela, José Arana; Longo, Elson

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Synthesis and modifications of heterocyclic derivatives of D-arabinose: potential inhibitors of glucose-6-phosphate isomerase and glucosamine-6-phosphate synthase
Viana, Renato Márcio Ribeiro; Prado, Maria Auxiliadora Fontes; Alves, Ricardo José

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Thermoanalytical studies of dithiocarbamate of sodium and potassium salts in an oxidizing atmosphere
Ramos, Luiz Antônio; Cavalheiro, Éder Tadeu Gomes; Chierice, Gilberto Orivaldo

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Triterpenes and antitubercular activity of Byrsonima crassa
Higuchi, Celio Takashi; Pavan, Fernando Rogério; Leite, Clarice Queico Fujimura; Sannomiya, Miriam; Vilegas, Wagner; Leite, Sergio Roberto de Andrade; Sacramento, Luis Vitor S.; Sato, Daisy Nakamura

        · abstract in English     · text in English     · pdf in English
  
 ·  Synthesis, characterization and thermal analysis of lithium, sodium and potassium salts of the palmitic acid and its ethyl ester
Sales, André Luis Castro de; Ramos, Luiz Antônio; Nunes, Ronaldo Spezia; Claro Neto, Salvador; Cavalheiro, Éder Tadeu Gomes

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Evaluation of the quality of the water body of the Tibagi river in the region of Ponta Grossa using principal components analysis (PCA)
Zimmermann, Ciro Maurício; Guimarães, Orliney Maciel; Peralta-Zamora, Patricio Guillermo

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Chemical indicators of the quality of organic matter of soil from the Rio das Mortes watershed under different coffee plant managements
Oliveira Júnior, Antônio Claret; Silva, Carlos Alberto; Curi, Nilton; Guilherme, Luiz Roberto Guimarães; Rangel, Otacílio José Passos

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Anti-inflammatory activity of carbohydrate produced from aqueous fermentation of kefir
Moreira, Maria E. C.; Santos, Marcelo H.; Pereira, Ivan O.; Ferraz, Vany; Barbosa, Luiz C. A.; Schneedorf, José M.

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Development of a biamperometric procedure for the determination of saccharin in dietary products
Assumpção, Mônica H. M. T.; Medeiros, Roberta Antigo; Madi, Alexandro; Fatibello-Filho, Orlando

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Chemical composition and analgesic activity of the leaves and branches of Marlierea tomentosa Camb.
Messias, Karina Louise S.; Campos-Buzzi, Fátima de; Fischer, Luiz G. O.; Malheiros, Ângela; Delle Monache, Franco; Cechinel Filho, Valdir

        · abstract in English     · text in English     · pdf in English
  
 ·  Computational implementation of the model charge-charge flux-dipole flux for calculation and analysis of infrared intensities
Gomes, Thiago C. F.; Silva Jr., João Viçozo da; Vidal, Luciano N.; Vazquez, Pedro A. M.; Bruns, Roy E.

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 Revisão
  
 ·  Application and advances in the luminescence spectroscopy in pharmaceutical analyses
Sotomayor, Maria D. P. T.; Dias, Iara Lúcia T.; Lanza, Marcos R. V.; Moreira, Altair B.; Kubota, Lauro T.

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Local anesthetics: interaction with biological membranes and with the voltage-gated sodium channel
Araujo, Daniele Ribeiro de; Paula, Eneida de; Fraceto, Leonardo Fernandes

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Atomic absorption spectrometry: the way for multielement determinations
Amorim, Fábio Alan Carqueija; Lobo, Ivon Pinheiro; Santos, Vera Lucia C. S.; Ferreira, Sérgio Luis Costa

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Biosensors based on the enzymatic inhibition process
Marques, Paulo Roberto Brasil de Oliveira; Yamanaka, Hideko

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Bacterial alginate: technological aspects, characteristics and production
Garcia-Cruz, Crispin Humberto; Foggetti, Ulisses; Silva, Adriana Navarro da

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Occurrence and structural diversity of fungal metabolites with antibiotic activity
Takahashi, Jacqueline Aparecida; Lucas, Esther Maria Ferreira

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Stir-bar sorptive extraction for drugs analysis in biological fluids
Chaves, Andréa Rodrigues; Queiroz, Maria Eugênia Costa

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Toxicity in aquatic environments: discussion and evaluation methods
Costa, Carla Regina; Olivi, Paulo; Botta, Clarice M. R.; Espindola, Evaldo L. G.

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 Nota técnica
  
 ·  Performance characteristics of bioassay UV-spectrophotometry and high perfomance liquid chromatographic determination of gatifloxacin in tablets
Lopes, Cristiani Capistrano Gonçalves de Oliveira; Salgado, Hérida Regina Nunes

        · abstract in English     · text in English     · pdf in English
  
 ·  Analytical procedures for determining Pb and Sr isotopic compositions in water samples by ID-TIMS
Martins, Veridiana; Babinski, Marly; Ruiz, Izabel; Sato, Kei; Souza, Solange; Hirata, Ricardo

        · abstract in English     · text in English     · pdf in English
  
 ·  Evaluation of the effect of carbonate concentration in the copper electrodeposition on mild steel blankets
Silva, Angélica Inês Ferreira da; Afonso, Júlio Carlos; Sobral, Luis Gonzaga Santos

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Treatment of cooling water with hydrogen peroxide
Peres, Fernando Antonio Serrapio; Teixeira, Luiz Alberto Cesar; Yokoyama, Lídia; Campos, Juacyara Carbonelli; Miguel, Marco Antônio Lemos

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Characterization of soybean phosphatidylcholine purity by 1H and 31P NMR
Mertins, Omar; Sebben, Marcelo; Henrique Schneider, Paulo; Pohlmann, Adriana Raffin; Silveira, Nádya Pesce da

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Determination of ethyl carbamate in sugar cane spirits by GC-MS
Labanca, Renata Adriana; Glória, Maria Beatriz Abreu; Afonso, Robson José de Cássia Franco

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Simultaneous determination of creatinine and biological indicators of exposure to toluene, styrene and xylenes in urine by high performance liquid chromatography
Antunes, Marina Venzon; Patuzzi, Ana Luiza Marques; Linden, Rafael

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 Educação
  
 ·  The behavior of the electron: an analysis of the compton effect and the de Broglie's relation
Morgon, Nelson H.

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Science insight´s of chemistry teachers: media and reflection on high school environment
Mesquita, Nyuara Araújo da Silva; Soares, Márlon Herbert Flora Barbosa

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Heat and work concepts: are they invariant under a system-surroundings interchange?
Anacleto, Joaquim; Ferreira, José M.

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Preparation of N-alkyl derivatives of 1-bromo-2,4-dinitrobenzene and 1-chloro-2-nitrobenzene: An alternative to nucleophilic aromatic substitution practices
Dias, Ayres Guimarães; Pereira, Felipe Martins Alves; Soares, Renato de Oliveira

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  The teaching practice in the chemistry graduate student learning
Arroio, Agnaldo; Honório, Káthia Maria; Homem-de-Mello, Paula; Weber, Karen Cacilda; Silva, Albérico B. F. da

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