JBCS

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Current Issue vol. 36, No. 1, 2025

 

The plasmonic properties of bimetallic gold-platinum nanoparticles (Au@PtNPs) can be controlled according to the desired application. By varying synthesis parameters, Au@PtNPs can be tailored with characteristics suitable for applications across different fields, such as photothermal therapy. Details are presented in the Article Gold-Platinum Bimetallic Nanoparticles: Tailoring Plasmonic Properties through Synthesis Parameters by Franccesca Fornasier, Sthefany F. Passos, Guilherme C. Concas, Liying Liu, Yutao Xing, Tommaso Del Rosso and Ana Maria Percebom on e-20240080.



Editorial J. Braz. Chem. Soc. 2025, 36(1), e-20240217, 1-2

What Is the Value of the Journal of the Brazilian Chemical Society (JBCS)?

Brenno A. D. Neto

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https://dx.doi.org/10.21577/0103-5053.20240217

Total access: 493


Communication J. Braz. Chem. Soc. 2025, 36(1), e-20240153, 1-5

One-Pot Synthesis of Benzopinacolone Derivatives from Acetophenones

Andréia Joice O. Meira; Thiago B. de Queiroz; Alvaro T. Omori

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Methodology for the synthesis of benzopinacolone derivatives from acetophenones in one-pot fashion.

https://dx.doi.org/10.21577/0103-5053.20240153

Published online: August 6, 2024

 

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Total access: 405


Articles J. Braz. Chem. Soc. 2025, 36(1), e-20240069, 1-10

Evaluation of Total Concentration and Bioaccessible Fraction of Metals in Berry Fruits from Different Cultivars

Camila C. Pereira ; Alexander O. de Souza ; Daisa H. Bonemann ; Eliézer Q. Oreste ; Luis Eduardo C. Antunes ;
Solange Cadore ; Anderson S. Ribeiro ; Mariana A. Vieira

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The total concentration and bioaccessible fractions of metals were determined in berry fruits from different cultivars.

https://dx.doi.org/10.21577/0103-5053.20240069

Published online: April 29, 2024

 

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Total access: 494


J. Braz. Chem. Soc. 2025, 36(1), e-20240070, 1-10

Investigation of Diaporthe phaseolorum Chemical Compounds toward Mass Spectral Molecular Networking and in silico Substructure Annotation

Mariana S. Moura ; Barbara S. Bellete ; Marcos Antônio Soares ; Lucas C. C. Vieira ; Olívia M. Sampaio

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In this study, we utilized molecular network analysis to investigate the metabolome of Diaporthe phaseolorum, providing a valuable tool for expanding the understanding of its chemical constituents.

https://dx.doi.org/10.21577/0103-5053.20240070

Published online: April 30, 2024

 

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Total access: 553


J. Braz. Chem. Soc. 2025, 36(1), e-20240073, 1-14

A Comparative Study Using UV-Vis, NIR, and FTIR Spectral Fingerprinting in Yerba Mate Leaves through Mixture Design Extractions and ASCA Models

Gustavo G. Marcheafave ; Elis D. Pauli ; Ivar Wendling ; Miroslava Rakocevic ; Ieda S. Scarminio ; Roy E. Bruns

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Analysis of variance (ANOVA)-simultaneous component analysis (ASCA) models are reported for mixture design Fourier-transform infrared (FTIR), near-infrared (NIR) and UV-Vis spectroscopic fingerprints of a 22 factorial design for the effects of sexual dimorphism and light incidence on the yerba mate metabolome.

https://dx.doi.org/10.21577/0103-5053.20240073

Published online: May 8, 2024

 

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Total access: 506


J. Braz. Chem. Soc. 2025, 36(1), e-20240074, 1-9

A Reliable HPLC-UV Method for the Simultaneous Determination of Three Antiretroviral Drugs in Human Blood Plasma Applied to Therapeutic Drug Monitoring

David R. Jaspe Lentino; Eder J. Lara Mercado; Indira B. Pájaro Bolívar; Guillermo Cervantes Acosta; Carlos Silvera Redondo;
Gina P. Domínguez Moré

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A high-performance liquid chromatography with ultraviolet detector (HPLC UV) method intended for therapeutic drug monitoring of efavirenz, lopinavir and ritonavir, was developed, validated and successfully applied in human immunodeficiency virus (HIV)-infected patients.

https://dx.doi.org/10.21577/0103-5053.20240074

Published online: May 8, 2024

 

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Total access: 468


J. Braz. Chem. Soc. 2025, 36(1), e-20240077, 1-12

Direct Methylation Method for Quantification of Fatty Acids in Lyophilized Human Milk by Gas Chromatography with Flame Ionization Detector

Patrícia M. Souza; Patrícia D. S. Santos; Isadora B. Ponhozi; Victor Hugo M. Cruz; Jessica S. Pizzo; Eloize S. Alves; Oscar O. Santos; Jesuí V. Visentainer

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Exposure of human milk from different stages of lactation under ultrasonic waves at a given acid concentration and time offers optimization of the derivatization of the triacylglycerol content, making it possible to evaluate the composition of fatty acids.

https://dx.doi.org/10.21577/0103-5053.20240077

Published online: May 14, 2024

 

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Total access: 452


J. Braz. Chem. Soc. 2025, 36(1), e-20240078, 1-9

Pretreatment of Oryza sativa (Rice) and Musa cavendishii (Banana) Waste Biomass Using Ionic Liquids of Choline Amino Acid for Nanoscale Cellulose Production

Fabiane F. da Silva ; Danylo B. Mendes; Patrícia M. Guarda; Anselmo F. R. Rodriguez; Emerson A. Guarda

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Biomass from Oryza sativa (rice) and Musa cavendishii (banana) pre-treated with bio-ionic liquids for nanoscale cellulose production.

https://dx.doi.org/10.21577/0103-5053.20240078

Published online: May 14, 2024

 

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Total access: 407


J. Braz. Chem. Soc. 2025, 36(1), e-20240080, 1-8

Gold-Platinum Bimetallic Nanoparticles: Tailoring Plasmonic Properties through Synthesis Parameters

Franccesca Fornasier ; Sthefany F. Passos ; Guilherme C. Concas ; Liying Liu ; Yutao Xing ; Tommaso Del Rosso ; Ana Maria Percebom

How to cite this article

 

Increasing the concentration of Pt precursor, time of synthesis, and size of gold core broadens and redshifts the plasmon band.

https://dx.doi.org/10.21577/0103-5053.20240080

Published online: May 15, 2024

 

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Total access: 853


J. Braz. Chem. Soc. 2025, 36(1), e-20240082, 1-8

In vitro Metabolism and Cytotoxicity of Parthenolide: The Complete Identification of the Major Oxidative Product and the Evaluation of Trypanocidal and Leishmanicidal Activities

Maíra R. S. Silvério; Daniel Roberto Callejon; João M. Batista Jr.; Thalita B. Riul; Anderson Rodrigo M. de Oliveira; Norberto P. Lopes

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Trypanocidal and leishmanicidal activities of parthenolide and (1R,10R)-epoxiparthenolide, a metabolite found in studies with microsomal fractions.

https://dx.doi.org/10.21577/0103-5053.20240082

Published online: May 22, 2024

 

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Total access: 458


J. Braz. Chem. Soc. 2025, 36(1), e-20240083, 1-11

Poly(amidoamine) Dendrimer Modified with Terminal Hydroxyl Functional Group as an Efficient Alternative for CO2 Capture

Thiago M. Rossi; Monique L. Almeida; Mariana M. V. M. Souza; Elizabete F. Lucas ; Bluma G. Soares

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CO2 capture by gas absorption in hydroxyl-terminated poly(amidoamine) dendrimers: performance in function of dendrimer generation.

https://dx.doi.org/10.21577/0103-5053.20240083

Published online: May 22, 2024

 

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Total access: 389


J. Braz. Chem. Soc. 2025, 36(1), e-20240084, 1-10

Disposable Pipette Extraction Followed by Direct MS/MS Analysis of Beta Amyloid Peptides (Aβ38, Aβ40, and Aβ42) in Cerebrospinal Fluid Samples

Caroline F. Grecco ; Eduardo José Crevelin; Vitor Tumas; Jaime Eduardo C. Hallak; Maria Eugênia C. Queiroz

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Direct association of the disposable pipette extraction (DPX) technique with tandem mass spectrometry (MS/MS) for the analysis of Aβ peptides (biomarkers for Alzheimer's disease) in cerebrospinal fluid samples.

https://dx.doi.org/10.21577/0103-5053.20240084

Published online: May 22, 2024

 

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Total access: 392


J. Braz. Chem. Soc. 2025, 36(1), e-20240090, 1-11

Assessing the Quality of Wheat Flour Blended with Cassava Starch Using a Handheld NIR Spectrophotometer and Chemometrics

Dâmaris N. C. Candeias; Sara Regina R. C. de Barros; Wellington S. Lyra ; David Douglas S. Fernandes; Paulo Henrique G. D. Diniz

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A new analytical method that employs a handheld near-infrared (NIR) spectrophotometer and variable selection using the successive projections algorithm (SPA) for quantitative and qualitative analysis of commercial wheat flour blended with cassava starch.

https://dx.doi.org/10.21577/0103-5053.20240090

Published online: May 29, 2024

 

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Total access: 421


J. Braz. Chem. Soc. 2025, 36(1), e-20240094, 1-11

Monitoring Pesticide Residues in Anuran Liver Tissue: A Proposal for the Sample Preparation Method

Igor M. Lima; Allyson L. R. Santos; Andressa T. Vieira; Patrícia M. Gondim; Paulo Cascon; Anizio M. Faria

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Miniaturization of the original QuEChERS (quick, easy, cheap, effective, rugged, and safe) method for extracting pesticide residues from liver tissue of anurans collected in the Baixo Jaguaribe Region, Ceará, Brazil.

https://dx.doi.org/10.21577/0103-5053.20240094

Published online: June 4, 2024

 

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Total access: 416


J. Braz. Chem. Soc. 2025, 36(1), e-20240096, 1-7

In situ Preparation of Silver Nanoparticles in Polystyrene-b-poly(2-vinylpyridine) Films over Chemically Patterned Substrates

Moyra F. Vieira ; Camila G. de Almeida; Humberto M. Brandão ; Celly M. S. Izumi

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Thermal in situ fabrication of silver nanoparticles within a polystyrene-b-poly(2-vinylpyridine) matrix on microcontact-printed patterned glass substrates for application in surface-enhanced Raman spectroscopy (SERS).

https://dx.doi.org/10.21577/0103-5053.20240096

Published online: June 6, 2024

 

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Total access: 415


J. Braz. Chem. Soc. 2025, 36(1), e-20240098, 1-9

Thinking about Alternatives to Açaí Waste in Amazonia Communities

José E. C. Leal ; Michele C. D. Rambo ; Marcelo M. Pedroza ; Radames A. Q. Cardoso; Helida M. C. Fagnani; Vânia F. de Sousa; Andreia S. Coêlho; Magale K. D. Rambo

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To promote social benefits for Amazonian communities, we evaluated the use of açaí waste as a source of energy and income.

https://dx.doi.org/10.21577/0103-5053.20240098

Published online: June 6, 2024

 

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Total access: 417


J. Braz. Chem. Soc. 2025, 36(1), e-20240099, 1-10

Adsorption of Silver from Aqueous Solution with High Capacity and Selectively by Using Ag+ Imprinted Polymeric Nanoadsorbent

Veyis Karakoç ; Cem Esen ; Adil Denizli

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Schematic presentation of Ag+ adsorption experiments. Ag+ binding medium, which contains competitive ions and silver ion imprinted (Ag+-IIP) nanoparticles. A single Ag+ imprinted nanoparticles with tailored cavities for Ag+ ions; and adsorption of Ag+ ion on the surface by forming a complex with sulfhydryl (-SH) groups.

https://dx.doi.org/10.21577/0103-5053.20240099

Published online: June 10, 2024

 

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Total access: 374


J. Braz. Chem. Soc. 2025, 36(1), e-20240108, 1-14

Investigating the Inhibitory Mechanism of para-Sulfonato-calix[4]arenes against Polymerase and Helicase of SARS-CoV-2: Molecular Docking and Dynamics Simulation Studies

Khalid Khan ; Habib Rahman; Tanzeel Shah ; Haroon ur Rashid ; Nasir Ahmad ; Akhtar Muhammad ;
Muhammad Naveed Umar ; Naila Gulfam ; Muhammad Zahoor; Riaz Ullah ; Essam A. Ali

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In silico studies inferring para-sulfonato-calix[4]arenes as potent inhibitors against severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2).

https://dx.doi.org/10.21577/0103-5053.20240108

Published online: June 25, 2024

 

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Total access: 411


J. Braz. Chem. Soc. 2025, 36(1), e-20240111, 1-9

Lamellar Double Hydroxides Intercaled with Humic Substances and Nitrate: Evaluation of Phosphate Removal in Water and Application in Agricultural Sectors

Amanda P. B. da Silva; Oseas S. Santos; Luciana C. de Oliveira; Sivaldo Paulino; Wander G. Botero

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Nanostructured materials with humic substances are promising for use in contaminant remediation and adsorption being a fast and efficient technique for use in soil and water.

https://dx.doi.org/10.21577/0103-5053.20240111

Published online: June 26, 2024

 

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Total access: 338


Short Report J. Braz. Chem. Soc. 2025, 36(1), e-20240068, 1-6

Greener Epoxidation Reaction of Macaw Palm Oil Using Metal Oxides and Niobium Phosphate as Catalysts

Rafael T. Alarcon ; Gilbert Bannach ; Éder Tadeu G. Cavalheiro

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The epoxidation reaction occurred without organic solvents and the system using TiO2 achieved an epoxide conversion greater than 84.7%.

https://dx.doi.org/10.21577/0103-5053.20240068

Published online: April 29, 2024

 

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Total access: 535

Online version ISSN 1678-4790 Printed version ISSN 0103-5053
Journal of the Brazilian Chemical Society
JBCS Editorial and Publishing Office
University of Campinas - UNICAMP
13083-970 Campinas-SP, Brazil

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