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Volume 27, ISAMR 2025
 
 
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Mater. Proc., 2025, SINAMEV 2025

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7 pages, 886 KB  
Proceeding Paper
ZnO Nanoparticle-Based Pickering Emulsions with Improved Rheology and Functional Performance: A Comparative Approach
by César Uriel Rodríguez-Fuentes, Oscar O. Romero-Chapol and Cynthia Cano-Sarmiento
Mater. Proc. 2025, 28(1), 1; https://doi.org/10.3390/materproc2025028001 - 9 Dec 2025
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Abstract
The use of natural compounds and nanostructured systems offers an alternative photoprotection strategy with fewer adverse effects. This study developed a Pickering emulsion based on green coffee oil and quercetin, stabilized with zinc oxide nanoparticles, and compared its rheological and spreading properties with [...] Read more.
The use of natural compounds and nanostructured systems offers an alternative photoprotection strategy with fewer adverse effects. This study developed a Pickering emulsion based on green coffee oil and quercetin, stabilized with zinc oxide nanoparticles, and compared its rheological and spreading properties with commercial sunscreens. Flow curve, thixotropy, and oscillatory tests were conducted to assess structural stability and shear response. The emulsion exhibited gel-like behavior, a higher yield stress, and superior spreading performance. Although its bioactivity was not evaluated, the formulation proved to be a viable and functional alternative for topical photoprotection applications. Full article
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8 pages, 2170 KB  
Proceeding Paper
Characterization of Nanocapsules of Sodium Alginate and Moringa oleifera Extract by AFM as a Therapeutic Alternative
by Erick Barrita Marroquín, Antonio Canseco Urbieta, Francisco Emanuel Velásquez Hernández, Fernando Mejía Zarate, Arturo Zapién Martínez and Ivonne Arisbeth Diaz Santiago
Mater. Proc. 2025, 28(1), 2; https://doi.org/10.3390/materproc2025028002 - 11 Dec 2025
Abstract
Alginate nanocapsules loaded with Moringa oleifera extract, a plant traditionally used for its hypoglycemic properties, were developed as a therapeutic alternative for type II diabetes mellitus. The nanocapsules were obtained by manually spraying a WO emulsion with an airbrush and were stabilized in [...] Read more.
Alginate nanocapsules loaded with Moringa oleifera extract, a plant traditionally used for its hypoglycemic properties, were developed as a therapeutic alternative for type II diabetes mellitus. The nanocapsules were obtained by manually spraying a WO emulsion with an airbrush and were stabilized in 2% calcium chloride. Characterization by atomic force microscopy revealed spherical particles with an average diameter of 10.087 nm, an area of 298.441 nm2, and a density of 0.207556/nm2, confirming efficient encapsulation and uniform morphology. This low-cost method is promising for the creation of controlled release systems in resource-limited settings. Full article
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