数字农科院2.0

Micellar Self-Assembly Constructed Microparticulate Shells Enable Dual-Responsive Release of Pesticide Microcapsules via Enzymatic/Mechanical Triggers

文献类型： 外文期刊

作者： Jian, Xuewen;Zhao, Yanhou;Li, Beixing;Huang, Qiliang;Sial, Muhammad Umair;Sun, Zhe;Zhang, Da-xia;Zou, Nan;Liu, Feng

作者机构：

关键词： membrane architecture;amphiphilic molecules;reverse micelle;water-soluble material loading;targeted release

期刊名称： ACS NANO

ISSN： 1936-0851

年卷期： 2025 年

页码：

收录情况： SCIE（2025版） ; ; EI（2025版）

摘要： Existing polyurea membranes are continuous and dense. They are used to encapsulate pesticides to prevent the premature release of active ingredients. However, this also results in the inability of the active ingredients to be released on demand. We report a strategy in which amphiphilic molecules take turns on duty. First, micelles are used to transport water to form a microparticle layer, and then a thin dense coating is formed on its surface. Eventually, a bionic interfacial membrane with a structure similar to that of the leaf epidermis or animal skin is obtained. Experiments in conjunction with molecular simulations verified the underlying membrane formation mechanism. As a microcapsule shell for encapsulating pesticides, this bionic membrane can accurately respond to the digestive and crawling behaviors of pests, thus enabling the on-demand release of insecticides. Additionally, this membrane has the potential to be used in the preparation of flat membranes for sewage treatment.

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