2/6/2011
Saiu o JBCS número 6 - Volume 22
O JBCS acaba de lançar online seu sexto número de 2011 (vol. 22-6, correspondente a Junho). A impressão e, portanto, distribuição da revista aos assinantes ocorrerá em breve.
Neste novo número, ilustrando nosso novo design de capa, temos o artigo Effect of Confinement of Anionic Organic Ultraviolet Ray Absorbers into Twodimensional Zinc Hydroxide Nitrate Galleries dos autores Ana Cristina T. Cursino, Antonio Salvio Mangrich, José Eduardo F. da Costa Gardolinski, Ney Mattoso e Fernando Wypych.
O texto editorial de autoria de Patricia Tavares Magalhães de Toledo e Roberto de Alencar Lotufo (Agência de Inovação – Inova, Unicamp) tratando da "Relevância da Proteção e da Transferência dos Resultados de Pesquisas Acadêmicas". Ao todo, o JBCS vol. 22, No. 6 apresenta 186 páginas impressas, contendo 25 Artigos.
Assinem, e divulguem o JBCS. Façam um link de nossa página http://jbcs.sbq.org.br em sua instituição, laboratório ou empresa já que o acesso é aberto. Incentivem a leitura, pesquisa e citação ao JBCS.
Fonte: Elizabeth Magalhaes (JBCS)
Table of Contents with Graphical Abstracts
>> Editorial(185 KB)
The Importance of Protection and Transferring of Academic Research Results
Patricia Tavares Magalhães de Toledo and Roberto de Alencar Lotufo |
| J. Braz. Chem. Soc. 2011, 22, 1005. |
Turbidimetric Determination of Sulfate in Rainwater Employing a LED Based Photometer and Multicommuted Flow Analysis System with In-Line Preconcentration |
| Néstor Zárate, Ricardo Pérez-Olmos and Boaventura Freire dos Reis |
| J. Braz. Chem. Soc. 2011, 22, 1009. |
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| Diagram of the multicommuted flow system showed in the standby condition. Under this configuration, all solutions are pumped back to their storing vessels, resource used to save reagent solution. |
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Web Release date: February 10, 2011. |
Purification, Characterization and Structural Determination of UDP-N -Acetyl-glucosamine Pyrophosphorylase Produced by Moniliophthora perniciosa |
Manoelito C. Santos Junior, Priscila A. Gonçalves, Alex G. Taranto, Maria G. B. Koblitz, Aristóteles Góes-Neto, Carlos P. Pirovani, Júlio C. M. Cascardo, Sandra H. da Cruz, Russolina B. Zingali, Gonçalo A. G. Pereira, Cristiano V. Dias and Sandra A. de Assis |
| J. Braz. Chem. Soc. 2011, 22, 1015. |
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| Model of UDP-N-acetylglucosamine pyrophosphorylase from M. perniciosa constructed by comparative modeling show 13 alpha helix (region in yellow) and 24 beta sheets (region in red). |
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Web Release date: February 10, 2011. |
Sensitive Single Step Fluorimetric Method for Monitoring Solid-Phase Reactions on Polystyrene Resin-Bound Chloride Groups |
Georgina E. Pina-Luis, Marco A. Zazueta Gómez, Ignacio A. Rivero Espejel and Marta E. Díaz-García |
| J. Braz. Chem. Soc. 2011, 22, 1024. |
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| Fluorescence measurements obtained directly from the solid phase at different reaction time. A simple, non-destructive and low cost method to evaluate the reaction progress, study the reaction kinetic and determine the resin loading. |
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Web Release date: February 10, 2011. |
Diclofenac Abatement using Modified Solar Photo-Fenton Process with Ammonium Iron(III) Citrate |
Alam G. Trovó and Raquel F. P. Nogueira |
| J. Braz. Chem. Soc. 2011, 22, 1033. |
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| Diclofenac oxidation efficiency decreased as pH increased, however significant oxidation was obtained at pH 6 and 7 using ammonium iron (III) citrate, achieving 77% and 62% after only 10 min, respectively. |
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Web Release date: February 10, 2011. |
Determination of Metal Impurities in Carbon Nanotubes by Direct Solid Sampling Electrothermal Atomic Absorption Spectrometry |
Paola A. Mello, Luiz Frederico Rodrigues, Matheus A. G. Nunes, Julio Cezar P. Mattos, Edson I. Müller, Valderi L. Dressler and Erico M. M. Flores |
| J. Braz. Chem. Soc. 2011, 22, 1040. |
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| Metal impurities were determined by direct solid sampling electrothermal atomic absorption spectrometry (DSS-ET AAS). This method allowed the determination of eight elements with lower limits of detection and minimized reagent consumption and residue generation. |
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Web Release date: February 10, 2011. |
Identification of (1R, 2S)-Grandisal and (1R, 2S)-Grandisol in Pissodes castaneus Male-Produced Volatiles: Evidence of a Sex Pheromone |
Francisco A. Marques, Scheila R. M. Zaleski, Sonia M. N. Lazzari, Gustavo Frensch, Grece A. Senhorini, Beatriz H. L. N. S. Maia, Armin Tröger, Wittko Francke, Edson T. Iede and Kenji Mori |
| J. Braz. Chem. Soc. 2011, 22, 1050. |
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| Two compounds produced by males of Pissodes castaneus were identified by GC-MS. Bioassays run with the compounds showed that they may act as sex pheromones and that the compounds released by the host plant did not enhance their activities. |
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Web Release date: February 15, 2011. |
A Selective Flotation-Spectrophotometric Method for the Determination of Nickel using Dimethylglyoxime |
Hamid Hashemi-Moghaddam |
| J. Braz. Chem. Soc. 2011, 22, 1056. |
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| Flotation of the Ni and dimethylglyoxime (D) complex at the aqueous solution and n-hexane interface. [NiD2]2- could form in alkaline medium and has very low solubility in water and organic phase. |
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Web Release date: February 15, 2011. |
A Flow-Batch Analyzer for UV-Vis Spectrophotometric Detection of Adulteration in Distilled Spirits |
Elaine C. L. Nascimento, Mário C. U. Araújo and Roberto K. H. Galvão |
| J. Braz. Chem. Soc. 2011, 22, 1061. |
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| Automatic flow-batch analyzer for adulteration detection in distilled spirits. Components: electronic actuator, flow-batch chamber, magnetic stirrer, peristaltic pump, solenoid valves, microcomputer and UV-Vis spectrophotometer. |
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Web Release date: February 15, 2011. |
Simultaneous HPTLC Determination of Nabumetone and Paracetamol in Combined Tablet Dosage Form |
Santosh V. Gandhi, Sandeep S. Ranher, Padmanabh B. Deshpande and Dixit K. Shah |
| J. Braz. Chem. Soc. 2011, 22, 1068. |
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| High performance thin layer chromatographic method (HPTLC) for analysis of nabumetone and paracetamol (silica gel 60 F254 as stationary phase and toluene:propanol-2:acetic acid; 8:2:0.1, v/v/v as mobile phase) in fixed dose combination has been developed. |
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Web Release date: February 15, 2011. |
A Green Method for Determination of Acid Number of Biodiesel |
Matthieu Tubino and Juliana A. Aricetti |
| J. Braz. Chem. Soc. 2011, 22, 1073. |
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| Green and automatic potentiometric determination of biodiesel acid number: a fundamental parameter in biodiesel specification. |
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Web Release date: February 15, 2011. |
Scanning Electrochemical Microscopy: Study of the Deposition and Stripping Mechanism of Lead in the Presence of Copper |
M. Fátima B. Sousa, E. M. S. Sanchez and Rodnei Bertazzoli |
| J. Braz. Chem. Soc. 2011, 22, 1082. |
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| SECM is a scanning probe microscopy (SPM) and operated by scanning or "rastering" an ultra-microelectrode (UME) over a surface to be investigated. UME is referred as "tip" and can be operated under amperometric or potentiometric conditions. |
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Web Release date: February 15, 2011. |
Crystal Structure, Supramolecular Self-Assembly and Interaction with DNA of a Mixed Ligand Manganese(II) Complex |
Yun-Ming Sun, Feng-Ying Dong, Da-Qi Wang and Yan-Tuan Li |
| J. Braz. Chem. Soc. 2011, 22, 1089. |
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| The 3D supramolecular self-assembly architecture of the mixed ligand manganese(II) complex formed by π-π stacking interactions and hydrogen bonds. |
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Web Release date: February 17, 2011. |
An HPLC-DAD Method to Quantification of Main Phenolic Compounds from Leaves of Cecropia Species |
Geison M. Costa, Caroline F. Ortmann, Eloir P. Schenkel and Flávio H. Reginatto |
| J. Braz. Chem. Soc. 2011, 22, 1096. |
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| HPLC chromatogram of crude aqueous extract of Cecropia pachystachya leaves and the phenolic compounds identified |
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Web Release date: February 17, 2011. |
Characterization of the Interactions between Endocrine Disruptors and Aquatic Humic Substances from Tropical Rivers |
Wander G. Botero, Luciana C. de Oliveira, Bruno B. Cunha, Lílian K. de Oliveira, Danielle Goveia, Julio Cesar Rocha, Leonardo F. Fraceto and André Henrique Rosa |
| J. Braz. Chem. Soc. 2011, 22, 1103. |
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| Studies of the interaction of disruptors endocrines with aquatic humic substances from tropical rivers indicate that AHS can strongly influence the transport and reactivity of endocrine disruptors in aquatic systems. |
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Web Release date: February 17, 2011. |
Chemical Constituents Isolated from the Bark of Guatteria blepharophylla (Annonaceae) and their Antiproliferative and Antimicrobial Activities |
Emmanoel V. Costa, Francisco de Assis Marques, Maria Lúcia B. Pinheiro, Raquel M. Braga, Camila Delarmelina, Marta Cristina T. Duarte, Ana Lúcia T. G. Ruiz, João Ernesto de Carvalho and Beatriz H. L. N. S. Maia |
| J. Braz. Chem. Soc. 2011, 22, 1111. |
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| The chemical investigation of the bark G. blepharophylla afforded twelve compounds: two sesquiterpenes, one xanthone, a mixture of two steroids and seven isoquinoline alkaloids. Some of them could be considered chemotaxonomic markers of this genus. |
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Web Release date: February 17, 2011. |
Hydrotreatment of Heavy Oil from Coal Liquefaction on Sulfided Ni-W Catalysts |
Zhi-ping Lei, Li-juan Gao, Heng-fu Shui, Shi-biao Ren, Zhi-cai Wang and Kang-shi Gang |
| J. Braz. Chem. Soc. 2011, 22, 1118. |
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| NiMo/Al2O3 shows higher HDN and HDA activities towards the hydrogenation of heavy oil obtained from the direct coal liquefaction process, which are associated with crystallite size and reducibility of metal sulfide, the nature of active sites and acidity. |
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Web Release date: February 17, 2011. |
Citrinin Derivatives from the Soil Filamentous Fungus Penicillium sp. H9318 |
Guangmin Yao, Fred Musoke Sebisubi, Lok Yung Christopher Voo, Coy Choke Ho, Ghee Teng Tan and Leng Chee Chang |
| J. Braz. Chem. Soc. 2011, 22, 1125. |
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Investigation of the microbial fermentation organic extract of Penicillim sp. led to the isolation of new isoquinolinone alkaloid, (5S)-3,4,5,7-tetramethyl-5,8-dihydroxyl-6(5H)-isoquinolinone. It has a carbon skeleton similar to citrinin. |
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Web Release date: February 22, 2011. |
A New Approach for the Synthesis of Bioactive Heteroaryl Thiazolidine-2,4-diones |
Magdy Ahmed Ibrahim, Mohamed Abdel-Megid Abdel-Hamed and Naser Mohamed El-Gohary |
| J. Braz. Chem. Soc. 2011, 22, 1130. |
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Some new pyrazole, isoxazole, pyrimi dine, pyridopyrimidine, benzodiazepine, pyridotriazepine, triazolothiadiazepine, triazinothiadiazepine, pyranopyrazoline and pyranopyrimidine derivatives linked thiazolidine-2,4-dione were prepared. |
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Web Release date: February 22, 2011. |
Fast HPLC Analysis of Omeprazole, 5-Hydroxyomeprazole and Omeprazole
Sulfone in Liquid Culture Medium using a Monolithic Column for Application in Biotransformation Studies with Fungi |
Keyller B. Borges, Rosa Durán-Patrón, Antonio José M. Sánchez, Mônica T. Pupo, Pierina S. Bonato and Isidro G. Collado |
| J. Braz. Chem. Soc. 2011, 22, 1140. |
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| This figure shows the biotransformation process of omeprazole by phytopathogenic and endophytic fungi to obtain 5-hydroxyomeprazole and mainly omeprazole sulfone. |
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Web Release date: February 22, 2011. |
Quantitative Analysis of Plasticizers in a Wastewater Treatment Plant: Influence of the Suspended Solids Parameter |
Nathália C. Viecelli, Eduardo R. Lovatel, Eduardo M. Cardoso and Irajá Nascimento Filho |
| J. Braz. Chem. Soc. 2011, 22, 1150. |
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| Di(2-ethylhexyl)phthalate (DEHP) and bisphenol A (BPA) were investigated in the wastewater treatment plant of the University of Caxias do Sul (WWTP-UCS). The average concentrations at the outflow point were 52.52 and 20.00 mg L-1, for BPA and DEHP, respectively. |
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Web Release date: February 22, 2011. |
Risk Simulation of Soil Contamination by Polycyclic Aromatic Hydrocarbons from Sewage Sludge used as Fertilizers |
Lourival C. Paraíba, Sonia C. N. Queiroz, Débora R. C. de Souza and Maria L. Saito |
| J. Braz. Chem. Soc. 2011, 22, 1156. |
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| This work investigated the presence of PHA in sewage sludge and in soil with sewage sludge. Phenantrene was the most abundant compound detected in the samples. |
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Web Release date: February 22, 2011. |
Determination of Some Inorganic Species of Fe, Mn and Cr by Chemical Vapor Generation Hyphenated with Inductively Coupled Plasma Atomic Emission Spectrometry |
Maja Welna, Joanna Lasowska and Wieslaw Zyrnicki |
| J. Braz. Chem. Soc. 2011, 22, 1164. |
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| Generation of volatile species (CVG) from different ions (including cations and anions) of transition metals in the acidic media by reaction with sodium tetrahydroborate reductant using ICP OES as detection method was presented. |
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Web Release date: February 22, 2011. |
Electrically Conductive Bioplastics from Cassava Starch |
Alvaro A. Arrieta, Piedad F. Gañán, Samith E. Márquez and Robin Zuluaga |
| J. Braz. Chem. Soc. 2011, 22, 1170. |
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| The conducting biofilms (CBs) synthesized from cassava starch, mixed with GLY, GLU, PEG and LiClO4 in different proportions showed high values of conductivity and morphological and molecular differences. So, CBs, make up a new and environmentally, friendly technology and with big potential. |
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Web Release date: February 22, 2011. |
Biotransformation of Sclareolide by Filamentous Fungi: Cytotoxic Evaluations of the Derivatives |
Arturo Cano, María Teresa Ramírez-Apan and Guillermo Delgado |
| J. Braz. Chem. Soc. 2011, 22, 1177. |
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| Incubation of sclareolide with eight different fungi species in two different media, afforded six different compounds, four of which were found to be new substances. Cytotoxic evaluation of the compounds indicated that two compounds displayed activity against several cancer cell lines. |
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Web Release date: February 24, 2011. |
Effect of Confinement of Anionic Organic Ultraviolet Ray Absorbers into Two-dimensional Zinc Hydroxide Nitrate Galleries |
Ana Cristina T. Cursino, Antonio Salvio Mangrich, José Eduardo F. da Costa Gardolinski, Ney Mattoso and Fernando Wypych |
| J. Braz. Chem. Soc. 2011, 22, 1183. |
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| Organic ultraviolet ray absorbers were intercalated into zinc hydroxide nitrate, either by direct alkaline co-precipitation or topotactic exchange reactions. After the intercalation, the UV absorption capacity was similar to that of the solid salts and acids, the effect being attributed to the confinement of the anionic species in the host two-dimensional gallery. |
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Web Release date: April 14, 2011. |
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