使用Ph离子液体作为功能性添加剂可持续地制备具有所需稳定性和生物活性的微胶囊,ACS Sustainable Chemistry & Engineering

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使用Ph离子液体作为功能性添加剂可持续地制备具有所需稳定性和生物活性的微胶囊
ACS Sustainable Chemistry & Engineering ( IF 7.1 ) Pub Date : 2020-08-17 , DOI: 10.1021/acssuschemeng.0c04245
Jiale Yang ₁ , Zhiyuan Zhou ₁ , You Liang ₁ , Jingyue Tang ₁ , Yunhao Gao ₁ , Junfan Niu ₁ , Hongqiang Dong ₁ , Rong Tang ₁ , Gang Tang ₁ , Yongsong Cao ₁

Affiliation

微胶囊是实现农药有效利用并减少环境污染的理想选择。通过将co离子液体（PIL）与明胶复合凝聚，开发了一种新的微胶囊制备方法。PIL是新合成的，用于溶解和分散阿维菌素（Ave），通过与明胶在溶液中交联形成稳定的核-壳结构微胶囊。结果表明，阿维菌素-phosph离子液体-明胶（Ave-PIL-Gel）微胶囊具有较高的Ave截留效率（约98％w / w），并且可以通过减少其在环境中的降解来有效增强Ave的稳定性。合成的Ave–PIL–Gel微胶囊的Ave释放主要受非菲克扩散的影响，释放速率与温度和基本条件呈正相关。与Ave技术解决方案相比，Ave–PIL–Gel微胶囊对植物寄生线虫具有更好的杀线虫活性，并显示出巨大的可持续作物保护潜力。本研究提供了包含农药的改进的控释制剂，该制剂对光敏感并且容易在包埋在带负电荷的蛋白质中的土壤中降解，并且还提供了一种环境友好的方法来制备改进的农药制剂，从而使农药的释放速率和释放周期可以调整。Ave-PIL-Gel微胶囊对植物寄生线虫有更好的杀线虫活性，并显示出可持续作物保护的巨大潜力。本研究提供了包含农药的改良控释制剂，该农药对光敏感并且在带负电荷蛋白质的土壤中易于降解，并且还提供了一种环境友好的方法来制备改良农药制剂，从而使农药的释放速率和释放周期可以调整。Ave-PIL-Gel微胶囊对植物寄生线虫有更好的杀线虫活性，并显示出可持续作物保护的巨大潜力。本研究提供了包含农药的改进的控释制剂，该制剂对光敏感并且容易在包埋在带负电荷的蛋白质中的土壤中降解，并且还提供了一种环境友好的方法来制备改进的农药制剂，从而使农药的释放速率和释放周期可以调整。

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Sustainable Preparation of Microcapsules with Desirable Stability and Bioactivity Using Phosphonium Ionic Liquid as a Functional Additive

A microcapsule is an ideal choice to realize effective utilization of a pesticide and reduce environmental pollution. A novel preparation method of a microcapsule was developed by complex coacervation of phosphonium ionic liquid (PIL) with gelatin. PIL was newly synthesized and used to dissolve and disperse avermectin (Ave) to form stabilized core–shell structure microcapsules by cross-linking with gelatin in a solution. The results demonstrated that avermectin–phosphonium ionic liquid–gelatin (Ave–PIL–Gel) microcapsules had a high Ave entrapment efficiency (approximately 98% w/w), and could effectively enhance the stability of Ave by reducing its degradation in the environment. The Ave release of synthesized Ave–PIL–Gel microcapsules was governed predominantly by non-Fickian diffusion, and the release rates showed positive correlation with the temperature and the base conditions. Compared with the Ave technical solution, the Ave–PIL–Gel microcapsules had better nematicidal activities against plant-parasitic nematodes and showed great potential for sustainable crop protection. The present study provides an improved controlled release formulation comprising a pesticide, which is sensitive to light and easily degradable in soil encapsulated in negatively charged protein, and also provides an environmentally friendly method for preparing the improved pesticide formulation so that the pesticide release rate and release period can be adjustable.

更新日期：2020-09-08

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