Marystela Ferreira

Hybrid kraft lignin-copper oxide nanoparticles as functional additives in natural rubber membranes for biomedical applications

Amanda S. M. de Freitas, Jessica S. Rodrigues, Bruna V. Quevedo, Lais D. Battaglini et autres

Lignin‑copper oxide hybrid nanoparticles (LNCuNPs) were synthesized via in situ reduction and incorporated into natural rubber latex (NR) membranes ate concentration from 1 to 4% wt% to develop bioactive biocomposites for wound dressing applications. Among the evaluated systems, LNCuNPs exhibited superior colloidal …

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Chitosan nanoparticle-reinforced thermoplastic starch films for controlled release of NPK fertilizers and enhanced plant performance

Amanda S.M. de Freitas, Rafael Augusto Franco, Eliane Merklein, Henrique O.S. Vieira et autres

Thermoplastic starch (TPS) films were investigated as biodegradable matrices for the controlled release of nitrogen-phosphorus-potassium (NPK) fertilizers, with and without the incorporation of chitosan-based nanoparticles (NC). Films were prepared as TPS, TPS + NPK, and TPS + NC + NPK and characterized …

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Starch-Based Film Coatings as a Strategy to Preserve Seed Viability during Storage

Giovana A. Parolin, Matheus C. R. Miranda, Tereza S. Martins, Marystela Ferreira et autres

Seed viability progressively declines during storage, and many existing coating strategies either impair germination or rely on synthetic, nonbiodegradable materials. In this work, we present a sustainable, starch-based film coating as a proof-of-concept strategy to preserve seed viability under monitored ambient storage …

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Corrigendum to “designing sustainable soil conditioners: Nanocomposite-based thermoplastic starch for enhanced soil health and crop performance” [Int. J. Biol. Macromol., volume 297 (2025), page 139747]

Jéssica S. Rodrigues, Amanda S.M. de Freitas, Henrique O.S. Vieira, Lívia S Emidio et autres

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Influence of acid route on chitosan nanoparticle formation: Physicochemical properties and application in methylene blue adsorption

Eliane Merklein, Amanda S. M. de Freitas, Rafael Augusto Franco, Marystela Ferreira

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Lignin as a Dual-Function Stabilizer for Protecting PCL Nanoparticles from Photodegradation and Enhancing Atrazine Delivery

Jéssica S. Rodrigues, Amanda de Sousa Martinez de Freitas, André L. Ferreira, Anderson do Espírito Santo Pereira et autres

High Resolution Image Download MS PowerPoint Slide In this study, we developed poly(ε-caprolactone) (PCL) nanoparticles (NP) stabilized with fractionated lignin and evaluated their effectiveness in atrazine (ATZ) encapsulation, photoprotection, and herbicidal activity. The NP were synthesized using the emulsion-evaporation method and characterized …

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A dual approach with lignin and nanolignin: Reinforcing UV stability and sustainability in PVA matrices

Amanda S. M. de Freitas, Jéssica S. Rodrigues, Maria Nascimento, Stefanny F. Amaro et autres

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Tailoring kraft lignin for high-performance nanoparticles: from structure to function

Jéssica S. Rodrigues, Amanda S. M. de Freitas, Vagner Roberto Botaro, Marystela Ferreira et autres

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Nanostructured TPS/PVA/CNC films for sustained copper oxide nanoparticle Release: Toward Advanced transdermal dressing systems

Amanda de Sousa Martinez de Freitas, Jéssica S. Rodrigues, Sofía Municoy, Pablo Edmundo Antezana et autres

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Nanostructured TPS/PVA/CNC films for sustained copper oxide nanoparticle Release: Toward Advanced transdermal dressing systems

Amanda de S.M. de Freitas, Jéssica de S. Rodrigues, Sofía Municoy, Pablo Edmundo Antezana et autres

Comparative Analysis Between Strip and Gels Indicated for at Home Bleaching: Analysis of Color Alteration, Roughness and Microhardness of Dental Enamel

Karen Milaré Seiscento Aidar, Luciano Tavares Ângelo Cintra, Marystela Ferreira, Ticiane Cestari Fagundes et autres

PURPOSE: To compare the color alteration, surface roughness and microhardness and cross-sectional microhardness of bovine enamel treated with at-home whitening strips and gels. MATERIALS AND METHODS: at baseline, 5 and 10 days, and 14 days after completion. Additional 66 polished discs (n …

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Designing sustainable soil conditioners: Nanocomposite-based thermoplastic starch for enhanced soil health and crop performance

Jéssica S. Rodrigues, Amanda S. M. de Freitas, Lívia S Emidio, Stefanny F. Amaro et autres

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