Towards sustainable pest management of broad scope: sol-gel microencapsulation of Origanum vulgare essential oil

IF 2.3 4区材料科学 Q2 MATERIALS SCIENCE, CERAMICS

Journal of Sol-Gel Science and Technology Pub Date : 2024-08-30 DOI:10.1007/s10971-024-06512-8

Giuseppe Angellotti, Cristina Riccucci, Gabriella Di Carlo, Mario Pagliaro, Rosaria Ciriminna

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Abstract

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.

Graphical Abstract

Abstract Image

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实现范围广泛的可持续害虫管理：牛至草精油的溶胶-凝胶微胶囊技术

牛至精油具有广泛的杀虫特性，但挥发性强，限制了其在农业上的有效应用。为了开发基于牛至精油的新型环境友好型有效生物农药，我们在二氧化硅微胶囊中进行了模板辅助溶胶-凝胶微胶囊化。该方法得到的介孔二氧化硅球形颗粒大小约为 430 nm，粒度分布均匀（多分散指数为 0.184），封装效率高达 13.7 wt%，Zeta 电位高达 22.8 mV。这种新型的溶胶-凝胶材料被称为 "SiliOregan"，有望开发出在水中配制的固体生物农药，用于防治真菌、昆虫、细菌、线虫和螨虫等害虫。

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来源期刊

Journal of Sol-Gel Science and Technology 工程技术-材料科学：硅酸盐

CiteScore

4.70

自引率

4.00%

发文量

280

审稿时长

2.1 months

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.