Gabriel P. Useda; Tsylla M. de S. B. Nascimento; Silvio Cunha; Rodrigo De Paula
The research deals with the understanding students' knowledge on the use, concept and usefulness of anabolic steroids, as well as relating this knowledge to sport, beauty standards and the education received in the highschool environment.
Jennifer B. Pardo ; Jorge M. David
; Angelica F. Gomes
The VOCs obtained from hexane extract of Schinus terebinthifolia fruits showed antimicrobial activity and inhibition of cholinesterases.
Igor Sande ; Leonardo Antonelli
; Silvio Cunha
In chemistry, arrows indicate the flow of electrons from a donor to an acceptor site, and this convention is adopted in textbooks. The common direction of the dipole moment and curved arrows in representing reaction mechanisms are consistent with the chemical convention.
Sofia Nikolaou; Otávio A. Chaves
; Renan R. Bertoloni
; Bernardo A. Iglesias
μ-Oxo-trinuclear ruthenium acetates, promising metallodrugs candidates, interact weakly with DNA as minor groove binders, through van der Waals forces.
Nathália L. de Oliveira; Emily A. S. Cunha; Bruna G. da Silva; Luís Antônio da Silva
; Valéria A. Alves
Cosmetic eyeshadows are among the most widely used personal care products. The use of eyeshadow palettes may pose long-term health risks to consumers due to high concentrations of potentially toxic elements, such as aluminum.
Ithalo Bruno de Sousa Sobral; Alexandre Araujo de Souza; Ronaldo Cunha Coelho; Maria das Dores Alves de Oliveira; Patricia e Silva Alves; Maurisrael de Moura Rocha; Herbert de Sousa Barbosa
Statistical study on the correlation between antioxidant activity and total phenol and flavonoid content in cowpea cultivars and commercial bean seeds using Pearson correlation and chemometric tools such as PCA and HCA.
Lívia P. de S. Augustini; Larissa V. T. Dias; Geiziane S. Gomes; Aristides E. Macamo; Gabriela C. F. Mota
; Lucas R. D. Sousa
; Orlando D. H. dos Santos
; Andrea M. do Nascimento
; Ângela L. Andrade
; Ana Esther S. G. Nascimento
; Janaína B. Seibert; Viviane M. R. dos Santos
Research on evaluating the potential of Alecrim-do-Campo (Baccharis dracunculifolia) aiming to create natural sunscreens that are less toxic and more natural.
Marcela de S. Zangirolami ; Oscar O. Santos*
This study developed a method to determine soluble solids (°Brix) in ketchup using smartphone image processing with the Redgim app, demonstrating high accuracy (R² > 0.99) and low error (RMSEP < 0.55).
Paulo H. de S. Miranda ; Pedro I. C. de Oliveira
; Estela M. G. Lourenço
; Alexander M. S. Morais
; Priscilla S. de S. N.
Silverio ; Euzébio G. Barbosa
; Alessandro K. Jordão*
The study uses Activity Cliff to develop QSAR models, predicting antimicrobial activity and guiding future syntheses.
Janaína de Paula e Silva ; Wladmir Teodoro da Silva
; Vitor Bernardes Silva
; Bárbara Caroline Rodrigues de Araujo; Jéssica Carvalho; Ana Paula de Carvalho Teixeira; Rita de Cássia de Oliveira Sebastião*
Strategic planning tools-SWOT, Strategic Map, and OKRs-were adapted to guide and evaluate a university extension program focused on Chemistry education. The approach enhanced alignment between educational objectives, community impact, and sustainability in the "1000 Future Scientists" initiative.
Izabel C. C. Turatti; Rodrigo Moreira da Silva ; Jurandir A. Dos-Santos; Juliana Conrado; Norberto P. Lopes*
Análise dos constituintes voláteis dispersos nos ambientes da Caverna do Couto no Parque Estadual Turístico do Vale do Ribeira (PETAR) após deslizamento de terra decorrentes de volumes anormais de chuvas.
Jorge Mario Mendoza Fandiño ; Stiven Javier Sofán German; Daniel Esteban López García; Arnold Martinez Guarín; Jesus David Rhenals Julio
Sâmia Karine Gomes de Sá ; Júlio César Gonçalves de Souza
; Ariane Mendonça Kluczkovski ; Anderson Mathias Pereira
; Leiliane do Socorro Sodré de Souza
Modern pretreatment techniques, such as drying, ultrasound, microwave heating, and enzymolysis, enhance extraction efficiency, preserve the quality of essential oils, and contribute to sustainability by reducing energy consumption and minimizing waste.
Francisco Souto de Sousa Júnior*
Chemical laboratory from the 19th century, a journey to these spaces over the centuries.
Scarlat O. D. da Trindade ; Daniela N. da Silva; Arnaldo C. Pereira*
Representation of 3D printing with Fused Deposition Modeling (FDM) applied to electroanalytical chemistry, presenting the materials used, parameter optimization, and surface modifications.
Acácio S. de Souza ; Iva S. de Jesus
; Patricia G. Ferreira
; Rafael P. R. F. de Oliveira
; Alcione S. de Carvalho
; Luana da S. M. Forezi
; Fernando de C. da Silva
; Debora O. Futuro
; Vitor F. Ferreira
Climate change is an undeniable reality, caused by the consumption of carbon-based energy sources such as oil and coal. In the effort to transition to an energy matrix that can replace these carbon-intensive fuels and significantly reduce CO2 emissions, hydrogen has emerged as a highly viable, eco-friendly, and promising solution.
Taissa T. D. Pontes; Juliana R. Kloss; Anike A. Arnaud; Eloi Feitosa
; Rosemara P. Lopes
; Renata D. Adati
Combination of digital technologies and practical experimentation as playful strategies in chemistry teaching, highlighting the impact on student learning.
Editoria da RVq - Editoria da RVq - PubliSBQ
Instituto de Química, Universidade Federal Fluminense,
Campus do Valonguinho, 24020-141, Centro, Niterói-RJ, Brasil
E-mail: rvq@sbq.org.br