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Pages |
Articles |
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621 |
Chemical Composition of
the Dufour Gland Secretion in Queens of Melipona bicolor (Hymenoptera,
Meliponini)
Fábio C. Abdalla, Graeme R. Jones, David Morgan and Carminda
da Cruz-Landim |
|
626 |
Investigation of the Influence
of the Anode Composition of DSA-type Electrodes on the Electrocatalytic
Oxidation of Phenol in Neutral Medium
Paula D. P. Alves, Magali Spagnol, Germano Tremiliosi-Filho and
Adalgisa R. de Andrade |
|
635 |
Rapid Quantitative Turbidimetric
Spot Test Analysis of Potassium In Blood Serum
Matthieu Tubino, Rafael L. de Souza and Nelci F. Hoehr |
|
640 |
Properties of [Pd2X2(dppm)2] (X = Cl, SnCl3, dppm = Bis(diphenylphosphino)methane)
Complexes on Porous Vycor Glass
Iara de Fátima Gimenez and Oswaldo Luiz Alves |
|
646 |
Alcohol- and Gasohol-Fuels:
A Comparative Chamber Study of Photochemical Ozone Formation
Pedro Afonso de P. Pereira, Leilane Maria B. Santos, Eliane Teixeira
Sousa and Jailson B. de Andrade |
|
652 |
Preparation of (5R)-4,8-Dimethylbicyclo[3.3.0]oct-1(8),3-dien-2-one
from (-)-Limonene oxide. A Novel Intermediate to the Synthesis of 4-5-5
Fused Tricarbocyclic Core Present in Terpenic Natural Products
Diego S. Pisoni, Daniel B. Silva, Rossana A. Schenato and Marco
A. Ceschi |
|
658 |
Factorial Experimental
Design Optimization of Solid Phase Microextraction (SPME) Conditions for
Analysis of Butylated Hydroxytoluene (BHT) in Bottled Water
Norma B. Tombesi, Rubén H. Freije and Fabio Augusto |
|
664
|
Phenolic Compounds in Acerola
Fruit (Malpighia punicifolia, L.)
Ana Lúcia A. Vendramini and Luiz C. Trugo |
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669
|
Kinetics and Isotherms
of Dazomet Adsorption on Natural Adsorbents
T. Sismanoglu, A. Ercag, S. Pura and E. Ercag |
|
676
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Determination of Vanadium
in Urine by Electrothermal Atomic Absorption Spectrometry Using Hot Injection
and Preconcentration Into the Graphite Tube
Kelly G. Fernandes, Ana Rita A. Nogueira, José A. Gomes
Neto and Joaquim A. Nóbrega |
|
682
|
Free 2-Propen-1-amine Derivative
and Inclusion Complexes with b-Cyclodextrin:
Scanning Electron Microscopy, Dissolution, Cytotoxicity and Antimycobacterial
Activity
Ana O. de Souza, Rubens R. Santos-Jr, Daisy N. Sato, Marcelo M.
M. de Azevedo, Denise A. Ferreira, Patrícia S. Melo,Marcela Haun,
Célio L. Silva and Nelson Durán |
|
690
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Analysis of Pesticide Residues
in Rice Using Matrix Solid-Phase Dispersion (MSPD)
Haroldo S. Dórea and Ledjane Lima Sobrinho |
|
695
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Syntheses, Characterization
and X-ray Structure of Potassium Hydrotris(2-Mercaptothiazolyl)Borate, KMt,
and Potassium Hydrotris(Methimazole)Borate, KTm
Luis F. Soares, Rosalice M. Silva, Antonio C. Doriguetto, Javier
Ellena, Yvonne P. Mascarenhas and
Eduardo E. Castellano |
|
701
|
Determination of Gibberellic
Acid by Sequential Injection Analysis Using a Potentiometric Detector Based
on Mn(III)-Porphyrin with Improved Characteristics
Emília M. G. Santos, Cristina M. C. M. Couto, Alberto
N. Araújo, M. Conceição B. S. M. Montenegro and Boaventura
F. Reis |
|
708
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Synthesis, Spectroscopy
and Photosensitizing Properties of Hydroxynitrophenylporphyrins
Ana Paula J. Maestrin, Antonio Cláudio Tedesco, Cláudio
R. Neri, Maria Elisa F. Gandini, Osvaldo A. Serra and Yassuko Iamamoto |
|
714
|
Determination of Boron
in Natural Water and Products Derived from Grape Using an Automated Flow
Injection Analysis System with Piezoelectric Detection
Dosil P. de Jesus, Renata M. Saito and Claudimir L. do Lago |
|
719
|
Phase-Boundary Catalysts
for Acid-Catalyzed Reactions: The Role of Bimodal Amphiphilic Structure
and Location of Active Sites
Hadi Nur, Shigeru Ikeda and Bunsho Ohtani |
|
725
|
Assessment of Lipid Compounds
and Phosphorus in Mangrove Sediments of Santa Catarina Island, SC, Brazil
Luciana Mater, Marcelo R. Alexandre, Fabrício A. Hansel
and Luiz A. S. Madureira |
|
735
|
Evaluation of a Nafion
Coated Glassy Carbon Electrode for Determination of Paraquat by Differential
Pulse Voltammetry
Ulisses M. F. de Oliveira, Jaim Lichtig and Jorge C. Masini |
|
742
|
Isoprenoid Compounds from
Euphorbia portlandica. X-ray Structure of Lupeportlandol, a New Lupane
Triterpene
Ana M. Madureira, Maria Teresa Duarte, Maria Fátima M.
Piedade José R. Ascenso and Maria-José U. Ferreira |
|
748
|
Electrochemistry of Vitamin
E Hydro-Alcoholic Solutions
Cristiano Giacomelli, Fernando Carlos Giacomelli, Luciano Ortigara
Alves, Ana Karina Timbola and Almir Spinelli |
|
756
|
Chemical Composition and
Antifungal Activity of the Essential Oil of Hyptis ovalifolia Benth.
(Lamiaceae)
Cecília M. A. de Oliveira, Maria do Rosário R. Silva,
Lucília Kato, Cleuza C. da Silva, Heleno D. Ferreira and Lúcia
K. H. Souza |
|
760
|
Hydrogenation of 2-Ethyl-hexen-2-al
on Ni/Al2O3 Catalysts
Arthur R.J.M. Mattos, Sônia H. Probst, Júlio C. Afonso
and Martin Schmal |
|
767
|
Terpenoid Constituents
from Leaves of Guarea kunthiana
Fernanda R. Garcez, Walmir S. Garcez, Ana Francisca G. da Silva,
Rita de Cássia Bazzo and Ubirazilda M. Resende |
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|
Short
Reports |
|
773
|
Silica Sulfuric Acid as
an Efficient and Reusable Reagent for Crossed-Aldol Condensation of Ketones
with Aromatic Aldehydes under Solvent-Free Conditions
Peyman Salehi, Minoo Dabiri, Mohammad Ali Zolfigol and Mohammad
Ali Bodaghi Fard |
|
777
|
The Chemical Composition
of the Mandibular Gland Secretion of Melipona bicolor Lepeletier,
1836 (Hymenoptera, Apidae, Meliponini): A Comparative Study Among Castes
and Sexes
Luciana F. Gracioli-Vitti, Fábio C. Abdalla, Regina L.
M. Silva de Moraes and Graeme R. Jones |
|
782
|
An Efficient Monitoring
Technique for Solid-Phase Reactions by KBr Pellets/FT-IR Using Methyl p-Aminobenzoate
Synthesis Assisted by Microwave Radiation on Merrifield Resin
Dyeison Antonow, Cedric Stephan Graebin and Vera Lucia Eifler-Lima |
|
786
|
Quantitative Determination
of the Enantiomeric Composition of Panthotenic Acid Solutions: A Mass Spectrometry
Experiment
Daniella V. Augusti, Rochel M. Lago and Rodinei Augusti |
|
619-620 |
Editorial |