Caroline Dutra Lacerda

Produção de bio-óleo por pirólise de óleo de fritura residual com lama vermelha ativada

Erika Magalhães Alencar, Caroline Dutra Lacerda, Sérgio Duvoisin, Romero Moreira de Oliveira et autres

O estudo investigou a produção de bio-óleo a partir de óleo residual de fritura por pirólise catalítica com lama vermelha ativada, visando à geração de energia sustentável e ao reaproveitamento de resíduos. A pirólise foi realizada a 450 °C, empregando lama vermelha …

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Chemical Profile of Gluten-Free Cookies Enriched with Cracked Brazil Nut (Bertholletia excelsa HBK) as a Source of Functional Compounds

Elison de Souza Sevalho, Caroline Dutra Lacerda, Lucas de Souza Falcão, Silvana Nascimento e Silva et autres

The processing of Brazil nuts generates by-products such as cracked kernels and press cakes that are frequently undervalued despite their rich biochemical composition. This study provides a comparative compositional evaluation of partially defatted Brazil nut flour applied to gluten-free cookies, focusing on …

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Uratylated albumin activates endothelial cells to induce monocyte adhesion and the release of pro-inflammatory cytokines

Railmara Pereira da Silva, Beatriz Pereira da Silva, Antônio Paulo Siqueira Pratti, Bianca Dempsey et autres

Albumin, the most abundant serum protein in mammals, is critical for transporting low-water-soluble metabolites, ions, and xenobiotics, as well as maintaining osmotic balance. This protein is highly susceptible to post-translational modifications, which can alter its structure and function. Reactive oxygen species (ROS) …

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Estudo comparativo de bio-óleos gerados em diferentes faixas de temperatura a partir de pirólise de óleo residual de cozinha

Erika Magalhães Alencar, Caroline Dutra Lacerda, Sérgio Duvoisin, Emerson Cardoso Rodrigues

O estudo investigou a pirólise catalítica de óleo de fritura residual com zeólita A + sodalita (0–20%) a 400 °C e 500 °C, visando otimizar a produção de bio-óleo. O monitoramento térmico revelou uma variação linear das temperaturas no reator e no …

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Development of a Potent and Functional In Vivo Peptide Competitive Inhibitor for the Toxin MazF

Luis R. Pizzolato-Cezar, Phelipe Augusto Mariano Vitale, Cleber Wanderlei Liria, Mario A. R. Pineda et autres

Abstract Cell growth regulation granted by toxin–antitoxin systems enables bacteria to fight phage infections, evade host immune defenses, and survive antibiotic treatment. In this work, a potent and specific peptide competitive inhibitor for the Escherichia coli toxin MazF was developed and named …

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DPPH‐based Antioxidant Screening and Cellulase‐assisted Hydrodistillation of Matourea azurea : Improved Essential Oil Yield and Density Functional Theory Insights Into a Rare Terpene

Leiliane do Socorro Sodré de Souza, Ari de Freitas Hidalgo, Guilherme Teixeira de Azevedo, Giovana Lima de Souza et autres

ABSTRACT Essential oils are rich in bioactive molecules like terpenes and phenolic compounds, but have low yields, making process efficiency crucial. Enzyme‐assisted hydrodistillation is a sustainable alternative, enhancing oil release by degrading the cell wall. This study applied cellulase enzymolysis before hydrodistillation …

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An OSMAC Strategy for the Production of Antimicrobial Compounds by the Amazonian Fungi Talaromyces pinophilus CCM-UEA-F0414 and Penicillium paxilli CCM-UEA-F0591

Cleudiane Pereira de Andrade, Caroline Dutra Lacerda, R. Valente, Anne Terezinha Fernandes de Souza et autres

Background/Objectives: The emergence of antimicrobial resistance represents a critical global health threat, requiring the discovery of novel bioactive compounds. Fungi from Amazonian biodiversity are promising sources of secondary metabolites with potential antimicrobial activity. This study aimed to investigate the production of antimicrobial …

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Leaf spectroscopy as a tool for predicting the presence of isoprene emissions and terpene storage in central Amazon forest trees

Michelle Robin, Flávia Machado Durgante, Caroline Lorenci Mallmann, Hilana Louise Hadlich et autres

Abstract Background Volatile isoprenoids (VIs), such as isoprene, monoterpenes, and sesquiterpenes, participate in various forest-atmosphere processes ranging from plant cell regulation to atmospheric particle formation. The Amazon Forest is the greatest and most diverse source of VI emissions, but the lack of …

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Micellization of Zwitterionic Surfactant with Opposite Dipoles is Differently Affected by Anions

Laura Mortara, Matheus Pirez Cortez, Caroline Dutra Lacerda, Gustavo Carretero et autres

High Resolution Image Download MS PowerPoint Slide We used isothermal titration calorimetry to investigate the influence of hydrotropic anions on the micellization of the zwitterionic surfactants N -dodecylphosphocholine (DPC) and N -dodecyl- N, N -dimethyl-3-ammonio-1-propanesulfonate (DPS), as well as the effect of …

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Leaf phenological type, functional traits, and hyperspectral reflectance to predict volatile isoprenoid emissions in central Amazon Forest trees

Michelle Robin, Flávia Machado Durgante, Caroline Lorenci Mallmann, Hilana Louise Hadlich et autres

Volatile isoprenoids take part in a wide range of forest-atmosphere processes that scale from plant cell regulation to atmospheric particle formation. Major drivers of plant leaf emissions are light and temperature - i.e., seasonality - and leaf age, suggesting leaf phenological type …

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USO DO ÓLEO DE FRITURA PARA A PRODUÇÃO DO BIO-ÓLEO EM MANAUS

Erika Magalhães Alencar, Caroline Dutra Lacerda, Sérgio Duvoisin, Douglas Alberto Rocha de Castro

PRODUÇÃO DE BIOCOMBUSTÍVEL A PARTIR DE ÓLEO DE FRITURA RESIDUAL UTILIZANDO LAMA VERMELHA COMO CATALISADOR: AVALIAÇÃO DO EFEITO DA PIRÓLISE NA QUALIDADE DO BIO-ÓLEO

Erika Magalhães Alencar, Caroline Dutra Lacerda, Sérgio Duvoisin, Douglas Alberto Rocha de Castro