期刊
ACS APPLIED MATERIALS & INTERFACES
卷 11, 期 37, 页码 34258-34267出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.9b12564
关键词
carbon nanoparticals; emamectin benzoate; pesticide delivery system; stimuli-responsive release; sustainable development
资金
- Jiangsu Province Science and Technology Support Plan [BE2015367]
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
Environmentally friendly pesticide delivery systems have drawn extensive attention in recent years, and they show great promise in sustainable development of agriculture. We herein report a multifunctional nanoplatform, carboxymethyl chitosan modified carbon nanoparticles (CMC@CNP), as the carrier for emamectin benzoate (EB, a widely used insecticide), and investigate its sustainable antipest activity. EB was loaded on CMC@CNP nanocarrier via simple physisorption process, with a high loading ratio of 55.56%. The EB@CMC@CNP nanoformulation showed improved solubility and dispersion stability in aqueous solution, which is of vital importance to its practical application. Different from free EB, EB@CMC@CNP exhibited pH-responsive controlled release performance, leading to sustained and steady EB release and prolonged persistence time. In addition, the significantly enhanced anti-UV property of EB@ CMC@CNP further ensured its antipest activity. Therefore, EB@CMC@CNP exhibited superior pest control performance than free EB. In consideration of its low cost, easy preparation, free of organic solution, and enhanced bioactivity, we expect, CMC@CNP will have a brilliant future in pest control and green agriculture.
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