JBCS

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vol. 34, No. 4, 2023, p. 471-613

 

The skin is the largest organ in the body and suffers daily from external and internal agents. Studying the mechanisms that lead to damaged skin is an important step toward proposing ways to repair this organ. Details are presented in the Review Strategies for Metabolomic Analysis of Damaged Skin from Cell and Tissue Samples Using Gas Chromatography-Mass Spectrometry by Samantha C. H. Rodrigues, Helvécio C. Menezes, Dawidson A. Gomes and Zenilda L. Cardeal on page 471.


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J. Braz. Chem. Soc. 2023, 34(4), 471-484

Strategies for Metabolomic Analysis of Damaged Skin from Cell and Tissue Samples Using Gas Chromatography-Mass Spectrometry

Samantha C. H. Rodrigues; Helvécio C. Menezes; Dawidson A. Gomes; Zenilda L. Cardeal

How to cite this article

The skin is the largest organ in the body and suffers daily from external and internal agents. Studying the mechanisms that lead to damaged skin is an important step toward proposing ways to repair this organ. Details are presented in the Review Strategies for Metabolomic Analysis of Damaged Skin from Cell and Tissue Samples Using Gas Chromatography-Mass Spectrometry by Samantha C. H. Rodrigues, Helvécio C. Menezes, Dawidson A. Gomes and Zenilda L. Cardeal on page 471.

https://dx.doi.org/10.21577/0103-5053.20230005

Published online: January 6, 2023
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Review J. Braz. Chem. Soc. 2023, 34(4), 471-484

Strategies for Metabolomic Analysis of Damaged Skin from Cell and Tissue Samples Using Gas Chromatography-Mass Spectrometry

Samantha C. H. Rodrigues; Helvécio C. Menezes; Dawidson A. Gomes; Zenilda L. Cardeal

How to cite this article

 

Workflow of gas chromatography coupled to mass spectrometry-based metabolomics analysis of damage skin.

https://dx.doi.org/10.21577/0103-5053.20230005

Published online: January 6, 2023

 

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Total access: 947


J. Braz. Chem. Soc. 2023, 34(4), 485-501

Marine Natural Products in the Battle against Dengue, Zika, and Chikungunya Arboviruses

Thayssa S. F. Fagundes ; Thatyana R. A. Vasconcelos ; Fernando M. dos Santos Junior ; Bia F. Rajsfus ; Diego Allonso ; José C. J. M. D. S. Menezes ; Alessandra L. Valverde ; Vinicius R. Campos

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The review highlights the different studies on marine natural products with antiviral and larvicidal activity against Dengue, Zika and Chikungunya and their main vector Aedes aegypti.

https://dx.doi.org/10.21577/0103-5053.20230012

Published online: January 20, 2023

 

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Total access: 1140


Articles J. Braz. Chem. Soc. 2023, 34(4), 502-516

Three-Component Betti Condensation for Synthesis of Aminomethylnaphthols Incorporating Deoxy-isoequilenine Scaffold-Absolute Configuration and Application

Irena Zagranyarska; Kalina Kostova; Krasimira Dikova ; Boris Shivachev; Vladimir Dimitrov

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Chiral aminoethylnaphthols are synthesized through highly diasteroselective three component condensation and evaluated further as catalysts.

https://dx.doi.org/10.21577/0103-5053.20220124

Published online: September 28, 2022

 

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Total access: 809


J. Braz. Chem. Soc. 2023, 34(4), 517-526

Determination of Total Mercury in Spanish Samples of Baby Food, Fast Food, and Daily Meal

Maria J. da Silva ; Ana Paula S. Paim ; Iago J. S. da Silva ; Maria Fernanda Pimentel ; Maria Luisa Cervera ; Miguel de la Guardia

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A study on the dietary exposure of Spanish consumers to Hg through baby food, fast food, and daily meals was carried out. A direct Hg determination method was proposed.

https://dx.doi.org/10.21577/0103-5053.20220125

Published online: October 5, 2022

 

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Total access: 899


J. Braz. Chem. Soc. 2023, 34(4), 527-536

Green Synthesis, Characterization and Antibacterial and Leishmanicidal Activities of Silver Nanoparticles Obtained from Aqueous Extract of Eucalyptus grandis

Lucas M. F. Oliveira; Ueveton P. da Silva; João Pedro V. Braga; Álvaro V. N. C. Teixeira; Andréa O. B. Ribon; Eduardo V. V. Varejão; Eduardo A. F. Coelho; Camila S. de Freitas; Róbson R. Teixeira; Renata P. L. Moreira

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Eucalyptus grandis aqueous extract was used to synthesize silver nanoparticles which presented antibacterial activity against Escherichia coli and leishmanicidal effect on promastigote forms of Leishmania infantum.

https://dx.doi.org/10.21577/0103-5053.20220126

Published online: October 6, 2022

 

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Total access: 840


J. Braz. Chem. Soc. 2023, 34(4), 537-548

A Mid-Infrared Spectrophotometric Method for Simultaneous Quantification of Naltrexone and Bupropion with Multivariate Calibration

Andrea Cristina Novack; Alexandre F. Cobre; Camila Regina S. Madeira; Thais M. Guimarães; Mariana M. Fachi; Mário Sérgio Piantavini; Roberto Pontarolo

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Capsules with naltrexone (NTX) and bupropion (BUP) were analyzed by mid-infrared spectrometer using diffuse reflectance (DRIFT) accessory. The spectrum was acquired in absorbance and the sample concentration was quantified using the mathematical algorithm partial least squares (PLS).

https://dx.doi.org/10.21577/0103-5053.20220127

Published online: October 14, 2022

 

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Total access: 733


J. Braz. Chem. Soc. 2023, 34(4), 549-559

Oxygen Reduction Reaction on Pt-Y/C Catalysts: Activity and Long-Term Stability Study

Gabriel Christiano da Silva ; Joelma Perez

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Pt-Y/C 7:3 catalyst exhibits a specific activity higher than commercial Pt/C. However, yttrium dissolution takes place in acidic media.

https://dx.doi.org/10.21577/0103-5053.20220128

Published online: October 14, 2022

 

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J. Braz. Chem. Soc. 2023, 34(4), 560-570

Design and Evaluation of Dual Release from Anacardic Acid-Based Polyurea Nanocapsules Components

Sâmeque N. Oliveira; Antonia F. J. Uchoa; Denise R. Moreira; Cesar L. Petzhold; Clemens K. Weiss; Katharina Landfester; Nágila M. P. S. Ricardo

How to cite this article

 

Polyurea nanocapsules were prepared by inverse miniemulsion via interfacial polyaddition for controlled release of anacardic acid.

https://dx.doi.org/10.21577/0103-5053.20220129

Published online: October 19, 2022

 

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Total access: 766


J. Braz. Chem. Soc. 2023, 34(4), 571-581

Stability Indicating Method for a Thiazolylhydrazone Derivative with Antifungal Activity and Experimental/Theoretical Elucidation of Its Degradation Products

Iara R. Silva; Vinícius G. Maltarollo; Ícaro F. Protti; Renata B. Oliveira; Isabela C. César

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The simulation of 2-[2-(cyclohexylmethylene)hydrazinyl]-4-phenylthiazole (RN104) and its degradation product; UV-Vis absorption spectra corroborates the experimental spectrum.

https://dx.doi.org/10.21577/0103-5053.20220131

Published online: October 20, 2022

 

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Total access: 584


J. Braz. Chem. Soc. 2023, 34(4), 582-589

Optimization and Validation of the Miniaturized Solid-Liquid Extraction with Low Temperature Purification (SLE-LTP) Method for Determining Fluopyram in Sandy, Clayey and Medium-Textured Soil

Gleison Luis O. Silva ; Gleysson P. Terra; Lázaro C. Sicupira ; Flaviano O. Silvério

How to cite this article

 

Miniaturized version of the solid-liquid extraction with low temperature purification (SLE-LTP) followed by analysis by gas chromatography coupled with mass spectrometry (GC-MS) to determine fluopyram in sandy, clayey and medium-textured soils.

https://dx.doi.org/10.21577/0103-5053.20220132

Published online: October 21, 2022

 

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Total access: 668


J. Braz. Chem. Soc. 2023, 34(4), 590-599

Synthesis of Alkynylselenides under Visible-Light Irradiation Using the Ionic Liquid [BMIm]BF4 as a Solvent

Eduardo G. O. Soares; Douglas B. Paixão; Caren D. G. da Silva; Paulo H. Schneider

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Herein we describe a novel photoinduced synthesis of alkynyl selenides from 1-bromoalkynes and diaryldiselenides, using [BMIm]BF4 as an environmentally benign reaction media.

https://dx.doi.org/10.21577/0103-5053.20220133

Published online: October 27, 2022

 

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Total access: 962


J. Braz. Chem. Soc. 2023, 34(4), 600-613

Effect of Isomerization and Copolymerization of Itaconic Anhydride During the Synthesis of Renewable Monomers Using Vegetable Oils

Caroline Gaglieri ; Rafael T. Alarcon ; Aniele de Moura ; Raquel Magri ; Daniel Rinaldo ; Gilbert Bannach

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This work investigates the isomerization of itaconic anhydride (ITA) into citraconic anhydride (CTA) and the copolymerization of them by heating.

https://dx.doi.org/10.21577/0103-5053.20220134

Published online: October 27, 2022

 

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Total access: 833

Online version ISSN 1678-4790 Printed version ISSN 0103-5053
Journal of the Brazilian Chemical Society
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