Giuseppe Angellotti, Cristina Riccucci, Gabriella Di Carlo, Mario Pagliaro, Rosaria Ciriminna
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Towards sustainable pest management of broad scope: sol-gel microencapsulation of Origanum vulgare essential oil
Showing broad scope pesticidal properties, the Origanum vulgare essential oil is highly volatile, limiting effective agricultural applications. Aiming to develop new environmentally friendly and effective biopesticide based on O. vulgare essential oil we carried out its template-assisted sol-gel microencapsulation within silica microcapsules. The method affords mesoporous SiO2 spherical particles about 430 nm in size with uniform size distribution (polydispersion index of 0.184) having encapsulation efficiency up to 13.7 wt%, and large positive zeta potential of 22.8 mV. Dubbed herein “SiliOregan”, this new class of sol-gel materials is promising towards the development of solid biopesticides formulated in water for pest management against fungi, insects, bacteria, nematodes, and mites.
期刊介绍：
The primary objective of the Journal of Sol-Gel Science and Technology (JSST), the official journal of the International Sol-Gel Society, is to provide an international forum for the dissemination of scientific, technological, and general knowledge about materials processed by chemical nanotechnologies known as the "sol-gel" process. The materials of interest include gels, gel-derived glasses, ceramics in form of nano- and micro-powders, bulk, fibres, thin films and coatings as well as more recent materials such as hybrid organic-inorganic materials and composites. Such materials exhibit a wide range of optical, electronic, magnetic, chemical, environmental, and biomedical properties and functionalities. Methods for producing sol-gel-derived materials and the industrial uses of these materials are also of great interest.
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