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Transfluthrin-loaded electrospun nanohybrids for long-term mosquito control and efficient air filtration

文献类型： 外文期刊

作者： Chen, Huiping 1 ; Yang, Zhifei 1 ; Zhang, Yingxi 1 ; Yin, Qing 2 ; Huang, Qiliang 1 ; Cao, Lidong 1 ;

作者机构： 1.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100193, Peoples R China

2.Tianjin Yorkool Sci & Technol Co Ltd, Tianjin 300392, Peoples R China

关键词： Electrospinning; Transfluthrin; ZIF-8; Nanofibers; Mosquito; Knockdown

期刊名称：CHEMICAL ENGINEERING JOURNAL （ 影响因子：13.2； 五年影响因子：13.5 ）

ISSN： 1385-8947

年卷期： 2025 年 516 卷

页码：

收录情况： SCI

摘要： Mosquitoes pose a substantial menace to both human and veterinary health on a global scale, necessitating the effective and sustainable control measures. Conventional methods, such as indoor spraying and the application of insect repellent creams, are encumbered by limitations, including the burst release of active ingredients and concerns regarding skin permeation, highlighting the need for alternative delivery systems. The hybrid PVB/ZIF-8@TFT nanofiber membranes were developed via electrospinning through encapsulation of the insect repellent transfluthrin (TFT) within a polyvinyl butyral (PVB) matrix enhanced with ZIF-8. The inclusion of ZIF-8 resulted in enhanced thermal stability and hydrophobic properties of the nanofibers while achieving a TFT encapsulation efficiency of 65.42 similar to 87.86%. Furthermore, the ZIF-8-modified membranes demonstrated respectable PM2.5/PM10 filtration efficiency (>95%). Biological assays revealed that the hybrid nanofibers enabled prolonged sustained release of TFT, maintaining robust knockdown activity against Culex pipiens pallens for over 12 weeks. By integrating mosquito knockdown, air filtration, and controlled release into a single platform, this system represents a major advancement over existing mosquito control technologies. This work not only provides a practical, sustainable solution for public health pest management but also establishes a new paradigm for designing multifunctional vector control materials.

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