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Journal of the Brazilian Chemical Society
On-line version ISSN 1678-4790


Table of contents
J. Braz. Chem. Soc. vol.23 no.5 São Paulo May 2012

 ·  The future we want
Ferreira, Vitor F.

 ·  Interference standard applied to sulfur determination in biodiesel microemulsions by ICP-QMS
Amais, Renata S.; Donati, George L.; Nóbrega, Joaquim A.

 ·  Dialkylphosphorylhydrazones as potent tyrosinase inhibitors
Caixeiro, Janaína M. R.; Gonçalves, Vinicius T.; Oliveira, Márcia C. C. de; Sant'Anna, Carlos M. R.; Rumjanek, Victor M.; DaCosta, João B. N.

 ·  Effect of calcium phosphate coating on polyamide substrate for biomaterial applications
Bandeira, Lucimara C.; Ciuffi, Kátia J.; Calefi, Paulo S.; Nassar, Eduardo J.; Silva, Jorge V. L.; Oliveira, Marcelo; Maia, Izaque A.; Salvado, Isabel M.; Fernandes, Maria Helena V.

 ·  Molecular identification and phylogenetic analysis of Egletes viscosa (L.) Less., a traditional medicinal plant from Northeastern Brazil
Batista, José M. M.; Torres, Davi C.; Jorge, Daniel M. de M.; Soares, Carlos E. A.; Bezerra, Walderly M.; Silveira, Edilberto R.; Grangeiro, Thalles B.

 ·  Knoevenagel condensation of aromatic aldehydes with ethyl 4-chloro-3-oxobutanoate in ionic liquids
Paula, Bruno R. S. de; Zampieri, Dávila S.; Zukerman-Schpector, Julio; Tiekink, Edward R. T.; Rodrigues, José Augusto R.; Moran, Paulo J. S.

 ·  Electrooxidation of ethanol on Pt and PtRu surfaces investigated by ATR surface-enhanced infrared absorption spectroscopy
Silva, Márcio F.; Batista, Bruno C.; Boscheto, Emerson; Varela, Hamilton; Camara, Giuseppe A.

 ·  Evaluation of metal ions in rice samples: extraction and direct determination by ICP OES
Oliveira, Andrea; Baccan, Nivaldo; Cadore, Solange

 ·  Assessment of inorganic contaminants in golden mussel (Limnoperna fortunei) in Southern Brazil
Pereira, Éderson R.; Soares, Bruno M.; Vieira, João P.; Mai, Ana C. G.; Picoloto, Rochele S.; Muller, Edson I.; Flores, Erico M. M.; Duarte, Fábio A.

 ·  Synthesis, urease inhibition, antioxidant and antibacterial studies of some 4-amino-5-aryl-3H-1,2,4-triazole-3-thiones and their 3,6-disubstituted 1,2,4-triazolo[3,4-b]1,3,4-thiadiazole derivatives
Hanif, Muhammad; Saleem, Muhammad; Hussain, Muhammad Tahir; Rama, Nasim Hasan; Zaib, Sumera; Aslam, Muhammad Adil M.; Jones, Peter G.; Iqbal, Jamshed

 ·  Estimating cocaine consumption in the Brazilian Federal District (FD) by sewage analysis
Maldaner, Adriano O.; Schmidt, Luciana L.; Locatelli, Marco A. F.; Jardim, Wilson F.; Sodré, Fernando F.; Almeida, Fernanda V.; Pereira, Carlos Eduardo B.; Silva, Cristiano M.

 ·  Support effect on carbon nanotube growth by methane chemical vapor deposition on cobalt catalysts
Oliveira, Hugo A.; Franceschini, Dante F.; Passos, Fabio B.

 ·  Synthesis and thermal behavior of new liquid crystals arylaldoxime esters
Tavares, Aline; Arruda, Bárbara C.; Boes, Elvis S.; Stefani, Valter; Stassen, Hubert K.; Campo, Leandra F.; Bechtold, Ivan H.; Merlo, Aloir A.

 ·  Fatty acid synthase inhibitors isolated from Punica granatum L.
Jiang, He-Zhong; Ma, Qing-Yun; Fan, Hui-Jin; Liang, Wen-Juan; Huang, Sheng-Zhuo; Dai, Hao-Fu; Wang, Peng-Cheng; Ma, Xiao-Feng; Zhao, You-Xing

 ·  Correlation between electrochemical and theoretical studies on the leishmanicidal activity of twelve Morita-Baylis-Hillman adducts
Paiva, Yen G. de; Souza, Antônio A. de; Lima-Junior, Claudio G.; Silva, Fábio P. L.; A. Filho, Edilson B.; Vasconcelos, Camila C. de; Abreu, Fabiane C. de; Goulart, Marília O. F.; Vasconcellos, Mário L. A. A.

 ·  Studies on the chemical behavior of 3-(nitroacetyl)-1-ethyl-4-hydroxyquinolin-2(1H)-one towards some electrophilic and nucleophilic reagents
Ibrahim, Magdy A.; Hassanin, Hany M.; Gabr, Yassin A.; Alnamer, Youssef A.

 ·  Structure and peroxidase activity of ferric Streptomyces clavuligerus orf10-encoded protein P450CLA: UV-visible, CD, MCD and EPR spectroscopic characterization
Goto, Leandro S.; Hokka, Carlos O.; Lima, José F.; Prieto, Tatiana; Araújo, Ana Paula U.; Nantes, Iseli L.; Nascimento, Otaciro R.

 ·  Size-segregated particulate matter and carboxylic acids over urban and rural sites in Londrina City, Brazil
Freitas, Adriana de M.; Martins, Leila D.; Solci, Maria Cristina

 ·  Reactivity of glycerol/acetone ketal (solketal) and glycerol/formaldehyde acetals toward acid-catalyzed hydrolysis
Ozorio, Leonardo P.; Pianzolli, Rafael; Mota, Maria Beatriz S.; Mota, Claudio J. A.

 ·  Determination of tetracycline in environmental water samples at a graphite-polyurethane composite electrode
Calixto, Carolina M. F.; Cervini, Priscila; Cavalheiro, Éder T. G.

 ·  Speciation of Fe(II) and Fe(III) by using dispersive liquid-liquid microextraction and flame atomic absorption spectrometry
Bahar, Soleiman; Zakerian, Razieh

 ·  Effect of fluorination treatment on electrochemical properties of M1Ni3.5Co0.6Mn0.4Al0.5 hydrogen storage alloy
Huang, Hongxia; Huang, Kelong

 ·  Multivariate treatment of LIBS data of prehistoric paintings
Borba, Flávia de S. L.; Cortez, Juliana; Asfora, Viviane K.; Pasquini, Celio; Pimentel, Maria Fernanda; Pessis, Anne-Marie; Khoury, Helen J.

 Short Reports
 ·  O-iodoxybenzoic acid in water: optimized green alternative for multicomponent one-pot synthesis of 2-amino-3,5-dicarbonitrile-6-thiopyridines
Takale, Santosh; Patil, Jaidas; Padalkar, Vikas; Pisal, Rajaram; Chaskar, Atul

 ·  Determination of phenol and o-cresol in soil extracts by flow injection analysis with spectrophotometric detection
Dolatto, Rafael G.; Messerschmidt, Iara; Pereira, Betânia F.; Silveira, Carlos A. P.; Abate, Gilberto

 ·  Cytotoxic sesquiterpene lactones and other constituents of Centaurea omphalotricha
Kolli, El Hadj; León, Francisco; Benayache, Fadila; Estévez, Sara; Quintana, José; Estévez, Francisco; Brouard, Ignacio; Bermejo, Jaime; Benayache, Samir