Development of Sequential Injection Methodologies for the Spectrophotometric Direct and Kinetic Determination of Aluminium in Natural and Waste Waters

Raquel B. R. Mesquita and António O. S. S. Rangel

Article

8 PDF (426KB)

Web release date: July 23, 2008.

Evaluation of a Simple Hyphenated System for Flow Injection Solid-Phase Pre-Concentration and Capillary Electrophoresis

Nilson A. Assunção, Carlos E. S. Miranda, Fernando M. Lanças, Maria Fernanda G. G. Rosias and Emanuel Carrilho

Article

8 PDF (389KB)

Web release date: July 23, 2008.

Development and Validation of a HPLC Method for the Determination of Aldicarb, Aldicarb Sulfoxide and Aldicarb Sulfone in Liquid Samples from Anaerobic Reactors

Leonardo H. S. Damasceno, M. Angela T. Adorno, Julia S. Hirasawa, M. Bernadete A. Varesche and Marcelo Zaiat

Article

8 PDF (768KB)

Web release date: July 23, 2008.

Chemical Characterization of BiFeO3 Obtained Through Pechini Method

Elídia A. Vetter Ferri, Ivair A. Santos, Eduardo Radovanovic, Rafaelle Bonzanini and Emerson Marcelo Girotto

Article

8 PDF (723KB)

Web release date: July 23, 2008.

Study of the Electrochemical Reduction of Amoebicide Teclozan and its Amperometric Determination in Pharmaceutical Formulations

André L. Santos, Regina M. Takeuchi, Nelson R. Stradiotto, Ana Paula Esteves and Maria José Medeiros

Article

8 PDF (249KB)

Web release date: July 18, 2008.

Synthesis of Imidazole Derivatives from b-Lapachone and Related Compounds using Microwaves and Supported Reagents

Andrea Rosane da Silva, Ari Miranda da Silva, Aurélio Baird Buarque Ferreira, Bauer de Oliveira Bernardes and Roberta Lindolfo da Costa

Short Report

8 PDF (150KB)

Web release date: July 18, 2008.

Molecularly Imprinted Sol-Gel Silica for Solid Phase Extraction of Phenobarbital

Eduardo J. Pilau, Raquel G. C. Silva, Isabel C. F. S. Jardim and Fabio Augusto

Article

8 PDF (693KB)

Web release date: July 18, 2008.

A Gas Chromatographic Method for the Determination of the Fungicide Chlorothalonil in Tomatoes and Cucumbers and its Application to Dissipation Studies in Experimental Greenhouses

Márcia H. S. Kurz, Fábio F. Gonçalves, Martha B. Adaime, Ivan F. D. da Costa, Ednei G. Primel and Renato Zanella

Article

8 PDF (379KB)

Web release date: July 14, 2008.

An Alternative and Convenient Synthesis of Oct-7-enal, a Naturally-Occurring Aldehyde Isolated from the Japanese Thistle Cirsium Dipsacolepis

Andrea B. J. Bracca and Teodoro S. Kaufman

Article

8 PDF (131KB)

Web release date: July 14, 2008.

Synthesis, Screening for Antiacetylcholinesterase Activity and Binding Mode Prediction of a New Series of [3-(Disubstituted-phosphate)-4,4,4-trifluoro-butyl]-Carbamic Acid Ethyl Esters

Nilo Zanatta, Deise M. Borchhardt, Adriana D. Carpes, Tiago M. Marchi, Adriano D. Andricopulo, Lívia B. Salum, Maria R. C. Schetinger, Helio G. Bonacorso, Marcos A. P. Martins and Alex F. C. Flores

Article

8 PDF (891KB)

Web release date: July 11, 2008.

Determination of Pesticides Multiresidues in Shallow Groundwater in a Cotton-growing Region of Mato Grosso, Brazil

Leandro Carbo, Valéria Souza, Eliana F. G. C. Dores and Maria L. Ribeiro

Article

8 PDF (263KB)

Web release date: July 11, 2008.

The Iodide-Catalyzed Decomposition of Hydrogen Peroxide: Mechanistic Details of an Old Reaction as Revealed by Electrospray Ionization Mass Spectrometry Monitoring

Ilza Dalmázio, Flávia C. C. Moura, Maria H. Araújo, Tânia M. A. Alves, Rochel M. Lago, Guilherme F. de Lima, Hélio A. Duarte and Rodinei Augusti

Article

8 PDF (288KB)

Web release date: July 11, 2008.

Chemical Constituents of Habenaria petalodes Lindl. (Orchidaceae)

Betania B. Cota, Alviclér Magalhães, Adriano M. C. Pimenta, Ezequias P. Siqueira, Tânia M. A. Alves and Carlos L. Zani

Article

8 PDF (239KB) / 8 Supplemenatry Information (2,249KB)

Web release date: July 11, 2008.

Analysis of Polynuclear Aromatic Hydrocarbons by SPME-GC-FID in Environmental and Tap Waters

Emanuel Coelho, Célia Ferreira and Cristina M. M. Almeida

Article

8 PDF (815KB)

Web release date: July 11, 2008.

Improvement of Electrochemical Performance of LiMn2O4 Composite Cathode by ox-MWCNT addition for Li-ion Battery

Su-qin Liu, Jian-feng Zhang, Ke-long Huang and Jin-gang Yu

Article

8 PDF (604KB)

Web release date: July 11, 2008.

16,17-Seco- and 2,3:16,17-di-Seco-pregnanes from Guarea guidonia

Walmir Silva Garcez, Fernanda Rodrigues Garcez and Luzinátia Ramos Soaresa

Article

8 PDF (158KB) / 8 Supplemenatry Information (2,045KB)

Web release date: July 8, 2008.

Synthesis and Antimicrobial Activity of Amphiphilic Carbohydrate Derivatives

Roberta C. N. Reis, Simone C. Oda, Mauro V. De Almeida, Maria C. S. Lourenço, Felipe R. C. Vicente, Nadia R. Barbosa, Rafael Trevizani, Priscila L. C. Santos and Mireille Le Hyaric

Article

8 PDF (328KB)

Web release date: June 23, 2008.

Fabrication and Photoluminiscent Properties of Titanium Oxide Nanotube Arrays

Dong Fang, Kelong Huang, Shuqin Liu and Jianhan Huang

Article

8 PDF (3.57MB)

Web release date: June 16, 2008.