Lisiane dos Santos Freitas

Bifunctional Marsilea minuta Biochar for Sustainable Hydrogen and Oxygen Production

Marcos V. Q. Santos, Yslaine Andrade de Almeida, Cícero Inácio da Silva Filho, Lisiane dos Santos Freitas et autres

Abstract The high cost, scarcity, and limited stability of noble-metal-based electrocatalysts, such as platinum and rhodium, have motivated the search for more abundant, sustainable, and economically viable alternative materials for water electrolysis. In this context, biochar obtained from plant residues stands out …

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Effects of feeding flaxseed to adult sheep on the fatty acid profile of freshly produced sausages

Andresa Carla Feihrmann, Bruno Fischer, Lisiane dos Santos Freitas, Francisco de Assis Fonseca de Macêdo et autres

Sheep meat, especially from adult animals, is high in saturated fatty acids due to extensive biohydrogenation of unsaturated fatty acids in their diet. This study explored how feeding sheep flaxseed could increase beneficial fatty acids in the meat and addresses a gap …

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Moringa oleifera fixed oil–composed lyotropic liquid crystals for the delivery of resveratrol

Dryelle K. de Almeida Silveira, Pedro Ellison Santos do Nascimento, Erika S. Lisboa, Bruno Manoel Cavalcante Farias et autres

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Preparação e caracterização de bioplástico de amido extraído de sementes de resíduos agroindustriais

Izabel Melo de Santana, Carlos Frank Lima dos Santos, Patrícia Fernanda Andrade, Liliane Oliveira Mota et autres

Durante várias décadas, plásticos derivados do petróleo foram amplamente utilizados na indústria e comércio por conta de suas características flexíveis e custo acessível. No entanto, a crescente conscientização ambiental revelou problemas, como a degradação lenta desses plásticos e a poluição resultante do …

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Uso de tratamento hidrotérmico e pirólise catalítica para aproveitamento de poda urbana

Robert Cunha Muiller, Lisiane dos Santos Freitas, Diego Fonseca Bispo, Cláudio Dariva et autres

A gestão inadequada de resíduos orgânicos é um desafio no Brasil, onde apenas 2% são compostados, sendo a maior parte descartada em aterros. Esses podem ser convertidas em produtos úteis por processos termoquímicos. O uso de catalisadores nesses processos pode otimizar a …

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Pressurized Liquid Extraction of Bioactive Compounds from Seeds and Sprouts Trigonella foenum-graecum L. (Fenugreek): Enhanced Antioxidant and Anti-Hyperglycemic Activities

Geovanni Silva Silva Comilo, Karen Keli Barbosa Abrantes, Karina Miyuki Retamiro, Oscar Oliveira Santos et autres

The present study examined the impact of germination using Aloe vera as an elicitor on the phytochemical composition, antioxidant capacity, and in vitro anti-hyperglycemic and antitumoral activity of fenugreek seed extracts germinated by pressurized n-propane. The lipid composition, free fatty acids, antioxidant …

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Electrochemical treatment of agro-industrial effluent: integrating response surface methodology and neural networks for sustainable solutions

Gláucia Nicolau dos Santos, Raul José Alves Felisardo, Talita Santos Alves Chagas, Lisiane dos Santos Freitas et autres

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Behavior space-temporal of biofilters based on hazelnut shells/sawdust treating pharmaceutical and personal care products from domestic wastewater

Kennedy Costa da Conceição, Lisiane dos Santos Freitas, Cristina Alejandra Villamar-Ayala

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Mixture Design and Doehlert Matrix for Optimization of Energized Dispersive Guided Extraction (EDGE) of Theobromine and Caffeine from Cocoa Bean Shells

Luciana Lordêlo Nascimento, Paulo Natan Alves dos Santos, Honnara S. Granja, Larissa da Silveira Ferreira et autres

This work describes the development of a method for the extraction of methylxanthines from cocoa bean shell (CBS) by employing the novel Energized Dispersive Guided Extraction (EDGE) system. The mixtures were composed of ethanol–methanol–water and the ratio was optimized using a simplex-centroid …

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Energized dispersive guided extraction (EDGE): a promising tool for analytical chemistry applications

Paulo Natan Alves dos Santos, Yasmine Braga Andrade, Honnara S. Granja, Lisiane dos Santos Freitas et autres

Analytical chemistry demands precise sample preparation methods to ensure accurate qualitative and quantitative determinations, especially those capable of clean-up and preconcentration of target analytes. Extraction plays a crucial role in enhancing the selectivity and sensitivity of analytical procedures. Thus, Energized Dispersive Guided …

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Microwave-Assisted vs. Conventional Extraction of Moringa oleifera Seed Oil: Process Optimization and Efficiency Comparison

Dalciane Rodrigues de Souza, Jéssica Jéssi Carvalho de Melo, Fernanda Franca dos Santos, Ana Luíza dos Santos Vasconcelos et autres

This study aims to evaluate the effectiveness of microwave-assisted and conventional extraction using ethanol, hexane, and petroleum ether as solvents, and to optimize the process for extracting oil from Moringa oleifera Lam. seeds, with a focus on improving food-grade oil production. Response …

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Solid-Phase Extraction of Pesticides in Water Using Corncob Biochar

Pâmela Ribeiro Lopes Soares, Miliana Gouveia da Silva, João Harlley Martins Luna, Tarcísio Martins Santos et autres

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