Antibacterial activity and kinetic release of Laureliopsis philippiana (looser) essential oil from nanostructured porous silicon with surface-functionalization alternatives
Entity
UAM. Departamento de Física AplicadaPublisher
MDPIDate
2022-08-01Citation
10.3390/app12168258
Applied Sciences 12.16 (2022): 8258
ISSN
2076-3417 (online)DOI
10.3390/app12168258Editor's Version
https://doi.org/10.3390/app12168258Subjects
Essential Oils; Thymus Plant; Antimicrobial Activity; FísicaRights
© 2022 by the authorsAbstract
In this work, the antibacterial activity of Laureliopsis philippiana (Looser) essential oil was studied, and its kinetic release performance using different surface-functionalized nanostructured porous silicon (nPSi) was analyzed. Experimental results showed the high inhibitory effect of Laureliopsis philippiana essential oil against Staphylococcus aureus and Klebsiella pneumoniae. In addition, the essential oil was successfully loaded into different kinds of functionalized nPSi. FTIR measurements indicated the formation of stable complexes in the nPSi functionalization process. Specifically, chemical oxidized nPSi (nPSi-Ox), 3-aminopropyltriethoxysilane functionalized nPSi (nPSi-APTS), undecylenic acid-functionalized nPSi (nPSi-UAc), chitosan (nPSi-Chi) and β-cyclodextrin (nPSi-βCD) polymer functionalization on nPSi were studied. nPSi-Ox, nPSi-APTS, and nPSi-UAc were covalent functionalization, and nPSi-Chi and nPSi-βCD were obtained by electrostatic attachment. The kinetic study demonstrated a controlled release of up to 4 h for all the samples following a quasi-Fickian diffusion mechanism. Moreover, the use of functionalized nPSi-APTS and nPSi-UAc structures allows a more controlled kinetic release of Laureliopsis philippiana essential oil in comparison to the rest of the functionalization, increasing its availability and exposure to the environment
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Google Scholar:Pérez-San Martín, Andrés
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Uribe, Karina
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Hernández-Montelongo, Jacobo
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Naveas, Nelson
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Manso Silván, Miguel
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Oyarzún, Patricio
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Díaz-García, Víctor
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Contreras, Braulio
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Recio-Sánchez, Gonzalo
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