Pular para o conteúdo principal
Portal do Governo Brasileiro
Atualize sua Barra de Governo
Buscar:
Pesquisador(a)
|
Publicação
Menu principal
PESQUISADORES
REVISTAS
ASSUNTOS
PUBLICAÇÕES
Início
Journal of the Brazilian Chemical Society (Impresso)
Journal of the Brazilian Chemical Society (Impresso)
Filtre a busca
- Qualquer -
Pesquisador
Publicação
Publicação
Influence of Ethanol, Acidity and Chloride Concentration on the Corrosion Resistance of AISI 316L Stainless Steel
Electrooxidation of Mixed Ethanol and Methanol Solutions on PtSn/C Electrocatalysts Prepared by the Polymeric Precursor Method
PtSnIr/C Anode Electrocatalysts: Promoting Effect in Direct Ethanol Fuel Cells
Ethanol Oxidation Reaction on IrPtSn/C Electrocatalysts with low Pt Content
Catalytic application of selenium and tellurium compounds as glutathione peroxidase enzyme mimetics
Ion Exchange Chromatography and Mass Bias Correction for Accurate and Precise Zn Isotope Ratio Measurements in Environmental Reference Materials by MC-ICP-MS
Solid-Phase Extraction of Cu(II) Using Polyurethane Foam and Eriochrome Black T as Ligand for its Determination in Waters by Flame Atomic Absorption Spectrometry
Determination of Lead by Electrothermal Atomic Absorption Spectrometry Employing a Novel Sampling Strategy of Polyurethane Foam Impregnated with Thiazolylazo-p-cresol (TAC)
Novel Spectrophotometric Methodology for the Determinationof Azithromycin in Pharmaceutical Formulations Through Its Charge Transfer Reaction with Quinalizarin
Solid Phase Extraction of Cu (II) as Diethyldithiocarbamate Complex by Polyurethane Foam
Bulk Atmospheric Deposition of Major Ions and Dissolved Organic Nitrogen in the Lower Course of a Tropical River Basin, Southern Bahia, Brazil
Modeling Controlled Potassium Release from Phlogopite in Solution: Exploring the Viability of using Crushed Phlogopitite Rock as an Alternative Potassium Source in Brazilian Soil
Modified silica nanoparticles with an Aminonaphthoquinone
Determination of Arsenic Species in P. calomelanos and N. biserrata.
Evaluation of Chemical Defense and Chemical Diversity in the Exotic Bryozoan Amathia verticillata
The influence of electrochemical pre-treatment of B-doped diamond films on the electrodeposition of Pt
Trace element distributions in biodegraded crude oils and fractions from the Potiguar Basin, Brazil
Synthesis of new chiral auxiliares from carbohydrates for Et2AlCl-promoted Diels-Alder reactions
Carbohydrates and Terpenes as Chiral Auxiliaries: the Stereoselective Synthesis of (+) or (-)-β-Piperonyl-γ-Butirolactone
Asymmetric Synthesis of 6-Carbomethoxyethyl-6-Methyl-ε-Caprolactone
Crystal Structures of 1-Aryl-1H- and 2-Aryl-2H-1,2,3-triazolyl Hydrazones. Conformational Consequences of Different Classical Hydrogen Bonds
Synthesis of novel isatin-type 5`-(4-alkyl/aryl-1H-1,2,3-triazoles) via 1,3-dipolar cycloaddition reactions
Ultrasound-Assisted Synthesis of Isatin-Type 5'-(4-Alkyl/Aryl-1 -1,2,3-triazoles) via 1,3-Dipolar Cycloaddition Reactions
Synthesis of a- and b-Lapachone Derivatives from Hetero Diels-Alder Trapping of Alkyl and Aryl o-Quinone Methides
Organic residues in lake and drinking water from the lagoa de Juturnaíba (região dos lagos - RJ, Brazil)
Microwave-assisted synthesis of Nitroketene N,S-Arylaminoacetals
Microwave-Assisted Synthesis of N -Heterocycles and Their Evaluation Using an Acetylcholinesterase Immobilized Capillary Reactor
Synthesis of Marine Natural Products in Brazil
An Alternative Mechanism for the 1,4-Asymmetric Induction in the Stereoselective Addition of (R)-Pantolactone to 2-Phenylpropylketene
Synthesis and Antileishmanial Activity of New 1-Aryl-1H-Pyrazole-4- Carboximidamides Derivatives
Comparison between GC-MS-SIM and GC-ECD for the determination of residues of organochlorine and organophosphorus pesticides in Brazilian citrus essential oils
Synthesis and antimicrobial evolution de 3-hydrazino naphthoquinones as analog of lapachol.
Intralaboratory Validation, Comparison and Application of HPLC-UV-DAD Methods for Simultaneous Determination of Benzalkonium Chloride, Chlorexidine Digluconate and Triclosan
Preliminary Study about the Origin of Trace Elements in the Atmospheric Deposition in Two Brazilian Subtropical Estuaries
Determination of arsenic species in P. calomelanos and N. biserrata
Vanadium-Binding Protein in Marine Plankton from Tropical South Atlantic Ocean
Atmospheric Deposition of Mercury over Sepetiba Bay, SE Brazil
Nickel / Doped Ceria Solid Oxide Fuel Cell Anodes for Dry Reforming of Methane
Iridium Catalysts for C-C and C-O Hydrogenolysis: Catalytic Consequences of Iridium Sites
Partial oxidation of methane to syngas on Rh/Al2O3 and Rh/Ce-ZrO2 catalysts
Geochemical Characterization of Rain Water Particulate Material on a Coastal Sub-Tropical Region in SE: Brazil
Structural insights into the molecular basis responsible for the effects of immobilization on the kinetic parameters of glyceraldehyde-3-phosphate dehydrogenase from Trypanosoma cruzi and human
Synthesis, crystal structure and properties of the cyano-bridged heteropolynuclear [Cu(meso)]3[Co(CN)6]2?9.5H2O compound
Determination of Ca, Cu, Fe and Mg in fresh and processed meat treated with tetramethylammonium hydroxide by atomic absorption spectrometry
Generation of Volatile Compounds from Carotenoids of Dunaliella bardawil Algae by Water Bath Heating and Microwave Irradiation
6-Aminocoumarin-Naphthoquinone Conjugates: Design, Synthesis, Photophysical and Electrochemical Properties and DFT Calculations
Synthesis of 4-Anilino-1 -Pyrazolo [3,4- ] Pyridine Derivatives and their Antiviral Activities
Melt sonoquenching: an Affective Process to Obtain New Hybrid Material and Achieve Enhanced Electrochromic Performances Based on V 2 O 5 /2,4,5-tris(1-methyl-4-pyridinium)-imidazolide Tetrafluoroborate Nanofibers
Iron, Copper and Zinc in Substitute Foods for Maternal Milk: Comparison with Infant Nutritional Requirements.
The effect of gamma-Al2O3 support on the NO adsorption on Pd4 cluster Cluster
Vibrational spectra of bis(dmit) complexes of main group metals: IR, Raman and ab initio calculations
Oxidative dehydration of glycerol to acrylic acid over vanadium-impregnated zeolite beta
Synthesis and in vitro Evaluation of New Benzenesulfonamides as Antileishmanial Agents
Synthesis and density functional calculations of the new molecule-based magnet precursor [Fe(H2opba-i)(dmso)2]Cl
Structural Analysis of High-Spin States of S0-S4 at OEC Complex: A Theoretical Approach of Small Models
An Investigattion of the BSSE Effects on Ab Initio and DFT Interaction Energies for the Cisplatin-Water Complexes using Effective Core Potential
Distribution and sources of polycyclic aromatic hydrocarbons in surface sediments from two Brazilian estuarine systems
Triazines in the tropical lagoon system of Mundaú-Manguaba, NE-Brazil
KINETICS AND MECHANISM OF CHLOTATE-CHLORIDE REACTION
REVISITING THE KINETICS AND MECHANISM OF BROMATE-BROMIDE REACTION
Optimized Separation Method for Estriol, 17-β-Estradiol and Progesterone by Capillary Electrochromatography with Monolithic Column and its Application to a Transdermal Emulsion
Chromophoreasy, an Excel-Based Program for Detection and Integration of Peaks from Chromatographic and Electromigration Techniques
An efficient and short route for the synthesis of reverse pyrrole ibonucleosides
Cytotoxic, trypanocidal activities and physicochemical parameters of nor-²-lapachone-based 1,2,3-triazoles
Synthesis of 4-anilino-1H-pyrazolo[3,4-b]pyridine derivatives and their in vitro anativiral activities
Crystal Structures of 1-Aryl-1 H - and 2-Aryl-2 H -1,2,3-triazolyl Hydrazones. Conformational Consequences of Different Classical Hydrogen Bonds
Ultrasound-Assisted Synthesis of Isatin-Type 5'-(4-Alkyl/Aryl-1 H -1,2,3-triazoles) via 1,3-Dipolar Cycloaddition Reactions
A new approach for the synthesis of 3-substituted cytotoxic nor-β-lapachones
Synthesis of Novel Isatin-Type 5'-(4-Alkyl/Aryl-1 -1,2,3-triazoles) via 1,3-Dipolar Cycloaddition Reactions
Theoretical studies of the tautomerism in 3-(2-R-Phenylhydrazono)-naphthalene- 1,2,4-triones: synthesis of copper(II) complexes and studies of antibacterial and antitumor activities
Synthesis of New 2-Aminocarbohydrate-1,4-Naphthoquinone Derivatives Promoted by Ultrasonic Irradiation
Synthesis of α- and β-Lapachone Derivatives from Hetero Diels-Alder Trapping of Alkyl and Aryl o-Quinone Methides
Synthesis and evaluation of 1-alkyl-4-phenyl-[1,2,3]-triazole derivatives as antimycobacterial agent
Conformational analysis of phloroglucinols from Hipericum brasiliense by using X-ray diffraction and molecular modeling
Synthesis and Antileishmanial Activity of New 1-Aryl-1H-Pyrazole-4-Carboximidamides Derivatives
The Effect of Gamma-Al 2 O 3 Support on the NO Adsorption on Pd 4 Cluster
A New, Simple and Efficient Method of Steglich Esterification of Juglone with Long-Chain Fatty Acids: Synthesis of a New Class of Non-Polymeric Wax Deposition Inhibitors for Crude Oil
Synthesis, characterization and catalytic activity of two novel cis-dioxovanadium(v) complexes: [VO2(L)] and [VO2(Hlox)]
Novel 2-(R-phenyl)amino-3-(2-methylpropenyl)-[1,4]-naphthoquinones: Synthesis, Characterization, Electrochemical Behavior and Antitumor Activity
Ab Initio, DFT and semi-empirical studies on interactions of phosphoryl, carbonyl, imino and thiocarbonyl ligands with the li+ cation: affinity and associated parameters
Tautomerism in Quinoxalines Derived from the 1,4-Naphthoquinone Nucleus: Acid Mediated Synthesis, X-ray Molecular Structure of 5-Chlorobenzo[ f ]quinoxalin-6-ol and Density Functional Theory Calculations
Theoretical Studies of the Tautomerism in 3-(2-R-Phenylhydrazono)-naphthalene-1,2,4-triones: Synthesis of Copper(II) Complexes and Studies of Antibacterial and Antitumor Activities
Antimicrobial Ellagitannin of Punica granatum Fruits