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


Table of contents
J. Braz. Chem. Soc. vol.19 no.8 São Paulo  2008

Editorial: the Brazilian Chemical Society (SBQ) and the chemistry teaching in high schools
Pinto, Angelo C.

 ·  Reactivity of 5a,6-anhydrotetracycline platinum(II) complex with biological nucleophiles: a theoretical study
Marcial, Bruna L.; Costa, Luiz Antônio S.; De Almeida, Wagner B.; Dos Santos, Hélio F.

 ·  Synthesis and photophysical properties of a poly(methyl methacrylate) polymer with carbazolyl side groups
Martins, Tatiana D.; Weiss, Richard G.; Atvars, Teresa D. Z.

 ·  The use of fatty acid profile as a potential marker for Brazilian coffee (Coffea arabica L.) for corn adulteration
Jham, Gulab N.; Berhow, Mark A.; Manthey, Linda K.; Palmquist, Deborah A.; Vaughn, Steven F.

 ·  Characterization and catalytic activity of free and immobilized lipase from Aspergillus niger: a comparative study
Silva, Vania C. F. da; Contesini, Fabiano J.; Carvalho, Patrícia de O.

 ·  Comparative analysis of eight esterification methods in the quantitative determination of vegetable oil fatty acid methyl esters (FAME)
Milinsk, Maria Cristina; Matsushita, Makoto; Visentainer, Jesuí V.; Oliveira, Cláudio C. de; Souza, Nilson E. de

 ·  Oxidation of mono-phenols to para-benzoquinones: a comparative study
Uliana, Marciana P.; Vieira, Ygor W.; Donatoni, Maria Carolina; Corrêa, Arlene G.; Brocksom, Ursula; Brocksom, Timothy J.

 ·  Multi-elemental contamination and historic record in sediments from the Santos-Cubatão Estuarine System, Brazil
Luiz-Silva, Wanilson; Machado, Wilson; Matos, Rosa H. R.

 ·  Synthesis of Fe/Ti oxides from a single source alkoxide precursor under inert atmosphere
Camargo, Pedro H. C.; Nunes, Giovana G.; Sá, Eduardo L. de; Tremiliosi-Filho, Germano; Evans, David J.; Zarbin, Aldo J. G.; Soares, Jaísa F.

 ·  Distribution of lipid compounds in sediments from Conceição Lagoon, Santa Catarina Island, Brazil
Silva, Cesar A.; Oliveira, Cristiane R.; Oliveira, Inês R. W. Z.; Madureira, Luiz A. S.

 ·  Sodium dodecyl sulfate-coated alumina and C18 cartridge for the separation and preconcentration of cationic surfactants prior to their quantitation by spectrophotometric method
Karimi, Mohammad Ali; Behjatmanesh-Ardakani, Reza; Goudi, Ali Aghaei; Zali, Sara

 ·  A simple and green analytical method for the determination of formaldehyde
Gasparini, Fabrícia; Weinert, Patrícia L.; Lima, Liliane S.; Pezza, Leonardo; Pezza, Helena R.

 ·  A novel disposable electrochemical microcell: construction and characterization
Ferreira, Humberto E. A.; Daniel, Daniela; Bertotti, Mauro; Richter, Eduardo M.

 ·  Micelle-mediated extraction and spectrophotometric determination of ammonia in water samples utilizing indophenol dye formation
Afkhami, Abbas; Norooz-Asl, Rasoul

 ·  Development and application of LC-UV method for the quantification of the anti-inflammatory thiazolidinone PG15 in rat plasma
Uchôa, Flávia D.T.; Cattani, Vitória B.; Lima, Maria C.A.; Galdino, Suely L.; Pitta, Ivan R.; Dalla Costa, Teresa

 ·  Styrene polymerization by nickel and titanium catalysts based on tris(pyrazolyl)borate ligands
Kuhn, Maria C. A.; Silva, Jaqueline L. da; Casagrande, Adriana C. A.; Casagrande Jr., Osvaldo L.

 ·  Micelle-mediated method for simultaneous determination of ascorbic acid and uric acid by differential pulse voltammetry
Reis, Alaécio P. dos; Tarley, César R. T.; Kubota, Lauro T.

 ·  Dipeptide synthesis in biphasic medium: evaluating the use of commercial porcine pancreatic lipase preparations and the involvement of contaminant proteases
Liria, Cleber W.; Romagna, Carolina D.; Rodovalho, Nicolas N.; Marana, Sandro R.; Miranda, M. Terêsa M.

 ·  Peak separation by derivative spectroscopy applied to ftir analysis of hydrolized silica
Aragão, Bernardo J. G. de; Messaddeq, Younes

 ·  B(HSO4)3: a novel and efficient solid acid catalyst for the regioselective conversion of epoxides to thiocyanohydrins under solvent-free conditions
Kiasat, Ali Reza; Fallah-Mehrjardi, Mehdi

 ·  The use of a graphite-silicone rubber composite electrode in the determination of rutin in pharmaceutical formulation
Santos, Sidney X. dos; Mazo, Luiz H.; Cavalheiro, Éder T. G.

 ·  Vibrational and thermal properties of crystalline topiramate
Sena Jr., Diniz M.; Freire, Paulo T. C.; M. Filho, Josué; Melo, Francisco E. A.; Pontes, Fenelon M.; Longo, Elson; Ferreira, Odair P.; Alves, Oswaldo L.

 ·  Exchange interactions in the copper(II)-N-benzoylglycine (hippuric acid) complex
Vieira, Ernanni D.; Facchin, Gianella; Torre, Maria H.; Costa-Filho, Antonio J.

 ·  Silica-supported dichlorophosphate: a recoverable cyclodehydrant for the eco-friendly synthesis of 2,5-disubstituted 1,3,4-oxadiazoles under solvent-free and microwave irradiation conditions
Li, Zheng; Zhu, Anguo; Mao, Xuerong; Sun, Xiunan; Gong, Xue

 ·  Study of the Specificity of Cross-Povidone (PVPP) as binding agent in the quantification of polyphenolic compounds
Verza, Simone G.; Pavei, Cabral; Ortega, George G.

 ·  Evaluation of porous silica glasses as insect pheromone dispensers
Tiboni, Aline; Coracini, Miryan D. A.; Lima, Eraldo R.; Zarbin, Paulo H. G.; Zarbin, Aldo J. G.

 ·  Supramolecular self-assembling of [HgII(RC6H4NNNC6H4R)2Py] [R = EtOC(O)] through reciprocal metal-η2-arene π-interactions and non classical C-H···O bonding: synthesis and X-ray characterization of a bis diaryl symmetric-substituted triazenide complex polymer of Hg(II)
Hörner, Manfredo; Oliveira, Gelson M. de; Villis, Paulo C. M.; Visentin, Lorenzo do C.

 Short Reports
 ·  NH4Cl-CH3OH: an efficient, acid- and metal-free catalyst system for the synthesis of quinoxalines
Darabi, Hossein Reza; Tahoori, Fatemeh; Aghapoor, Kioumars; Taala, Fatemeh; Mohsenzadeh, Farshid

 ·  Gilded wood from the organ of the Church of Santa Cruz (Coimbra)
Carvalho, Ana P.; Vaz, Maria F.; Ferreira, Marta M.; Pires, João

 ·  Age and time related pheromone production in coffee leafminer Leucoptera coffeella Guérin-Méneville (Lepidoptera: Lyonetiidae)
Lima, Eraldo R.; Vilela, Evaldo F.; Della Lucia, Terezinha M. C.; Ataíde, Lívia M. S.