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Journal of the Brazilian Chemical Society
Print version ISSN 0103-5053


Table of contents
J. Braz. Chem. Soc. vol.21 no.6 São Paulo  2010

Editorial: new knowledge, new products and new processes
Galembeck, Fernando; Alves, Oswaldo L.

 ·  Potential use of silver nanoparticles on pathogenic bacteria, their toxicity and possible mechanisms of action
Durán, Nelson; Marcato, Priscyla D.; Conti, Roseli De; Alves, Oswaldo L.; Costa, Fabio T. M.; Brocchi, Marcelo

 ·  Laser flash photolysis study of the photochemistry of thioxanthone in organic solvents
Rodrigues, Janaina F.; Silva, Francisco de Assis da; Netto-Ferreira, José Carlos

 ·  The photochemical reactivity of triplet β-lapachone-3-sulfonic acid towards biological substrates
Netto-Ferreira, José C.; Lhiaubet-Vallet, Virginie; Silva, Andrea R. da; Silva, Ari M. da; Ferreira, Aurelio B. B.; Miranda, Miguel A.

 ·  Potential application of native lipases in the resolution of (RS) - phenylethylamine
Pilissão, Cristiane; Carvalho, Patrícia de O.; Nascimento, Maria da G.

 ·  Determination of Cd in blood by microwave-induced combustion coupled to flame furnace atomic absorption spectrometry
Hoehne, Lucélia; Bartz, Fabiane R.; Bizzi, Cezar A.; Paniz, José N. G.; Dressler, Valderi L.; Flores, Érico M. de Moraes

 ·  Solid phase microextraction as an efficient method for characterization of the interaction of pesticides with different soil types
Ðurović, Rada D.; Umiljendić, Jelena S. Gajić; Cupać, Svjetlana B.; Ignjatović, Ljubiša M.

 ·  Physicochemical stability of poly(lactide-co-glycolide) nanocapsules containing the local anesthetic Bupivacaine
Moraes, Carolina M.; Paula, Eneida de; Rosa, André H.; Fraceto, Leonardo F.

 ·  Three dimensional image analysis for prediction of vinyl triethoxysilane concentration and porosity percent of methyl methacrylate/ethylene glycol dimethacrylate copolymers using scanning electron microscopy
Esteki, Mahnaz; Khayamian, Taghi; Naghash, Hamid J.

 ·  Synthesis and antimicrobial activity of chromone-linked 2-pyridone fused with 1,2,4-triazoles, 1,2,4-triazines and 1,2,4-triazepines ring systems
Ali, Tarik El-Sayed; Ibrahim, Magdy Ahmed

 ·  Chiral auxiliary-mediated enantioenrichment of (±)-ibuprofen, under steglich conditions, with secondary alcohols derived from (R)-carvone
Amongero, Marcela; Visnovezky, Damian; Kaufman, Teodoro S.

 ·  Pyrazole synthesis under microwave irradiation and solvent-free conditions
Buriol, Lilian; Frizzo, Clarissa P.; Marzari, Mara R. B.; Moreira, Dayse N.; Prola, Liziê D. T.; Zanatta, Nilo; Bonacorso, Helio G.; Martins, Marcos A. P.

 ·  Development of a green microwave assisted extraction method for triazine herbicides determination in soil samples
Silva, Valquíria M.; Costa, Willian F.; Visentainer, Jesuí V.; Souza, Nilson E.; Oliveira, Cláudio C.

 ·  Thiram and picloram as entrapping agents for lead depicted by electrochemical methods
Valle, Eliana M. A.; Santamaría, Carolina; Machado, Sergio A. S.; Fernández, José M.

 ·  Lewis acid free high speed synthesis of nimesulide-based novel N-substituted cyclic imides
Kankanala, Kavitha; Reddy, Vangala Ranga; Mukkanti, Khagga; Pal, Sarbani

 ·  A new gas chromatography/mass spectrometry (GC-MS) method for the multiresidue analysis of pesticides in bread
Kolberg, Diana I.; Prestes, Osmar D.; Adaime, Martha B.; Zanella, Renato

 ·  Phenolic hydrogen abstraction by the triplet excited state of thiochromanone: a laser flash photolysis study
Ribeiro, Alessandra M.; Bertoti, Ada Ruth; Netto-Ferreira, José Carlos

 ·  Identification and quantification of furanic compounds in tequila and mezcal using spectroscopy and chemometric methods
Muñoz-Muñoz, Ana C.; Pichardo-Molina, Juan L.; Ramos-Ortíz, Gabriel; Barbosa-García, Oracio; Maldonado, José L.; Meneses-Nava, Marco A.; Ornelas-Soto, Nancy E.; Escobedo, Antonio; López-de-Alba, Pedro L.

 ·  Diesel degradation in soil by fenton process
Villa, Ricardo D.; Trovó, Alam G.; Nogueira, Raquel F. Pupo

 ·  Triazines in the tropical lagoon system of Mundaú-Manguaba, NE-Brazil
Azevedo, Débora A.; Silva, Thaís R.; Knoppers, Bastiaan A.; Schulz-Bull, Detlef

 ·  Silica-alumina-niobia (SiO2/Al2O3/Nb2O5) matrix obtained by the sol-gel processing method: new material for online extraction of zinc ions
Tarley, César Ricardo T.; Ávila, Thiago C. de; Segatelli, Mariana G.; Lima, Giovana de F.; Peregrino, Gabrielly dos S.; Scheeren, Carla W.; Dias, Silvio Luís P.; Ribeiro, Emerson S.

 ·  Prebiotic chemical kinetics imprint on positional codon usage
Ferreira, Ricardo; Lai, Kevin; Lins, Roberto D.

 ·  Iridoids from Hymenodictyon floribundum
Borges, Cristina M. P.; Diakanawma, Carlos; Mendonça, Dina I. M. D. de

 Short Reports
 ·  Application of a purge-and-trap system for fixed-NH4+ determination by matrix interference free ion chromatography in oil reservoir rocks
Pontes, Fernanda V. M.; Carneiro, Manuel C.; Vaitsman, Delmo S.; Monteiro, Maria Inês C.; Silva, Lílian I. D. da; Neto, Arnaldo A.

 ·  An efficient protocol for accessing β-amino dicarbonyl compounds through aza-Michael reaction
Meskini, Ihssan; Toupet, Loïc; Daoudi, Maria; Kerbal, Abdelali; Bennani, Brahim; Dixneuf, Pierre H.; Chohan, Zahid H.; Leite, Ana Cristina Lima; Hadda, Taibi Ben