Fabrication of Novel Porous Nano-pesticides by Modifying MPN onto Cu-TCPP MOFs to Enhance Bactericidal Efficacy and Modulate Its Bioavailability.

IF 9.6 1区材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Nano Letters Pub Date : 2024-11-13 Epub Date: 2024-10-29 DOI:10.1021/acs.nanolett.4c04277

Jiatong Han, Guangyang Liu, Yushan Hou, Ailing Zhou, Jie Zhou, Ge Chen, Honghao Lv, Yaowei Zhang, Jun Lv, Jing Chen, Xiaomin Xu, Donghui Xu

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Abstract

Nano-pesticides have attracted much attention in the field of agriculture, due to existing problems such as decreased bactericidal effect and poor adhesion. An environmentally friendly metal porphyrin (Cu-TCPP)-based nanocarrier pesticide release of diniconazole (DIN) was designed to enhance bactericidal efficacy and modulate its bioavailability in a multidimensional manner by constructing a metal phenolic network (MPN) encapsulation. The introduction of the MPN prevents the DIN from prematurely escaping from the Cu-TCPP@DIN@MPN in the environment and gives it strong interfacial adhesion to resist rain washing. The resulting Cu-TCPP@DIN@MPN nanoparticles (NPs) showed a lamellar stacked embedded structure, which improved the inhibition of Fusarium oxysporum (90.9%) and photostability (67.2%), while they do not affect healthy plant growth and meet the relevant food safety requirements for DIN residues. This work provides new ideas for the development of superior photostable, adhesive, rainwater erosion-resistant, and sustainable nanocarrier pesticides.

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通过在 Cu-TCPP MOFs 上对 MPN 进行改性来制造新型多孔纳米杀虫剂，以增强杀菌效力并调节其生物利用度。

由于存在杀菌效果下降、附着力差等问题，纳米农药在农业领域备受关注。本研究设计了一种基于金属卟啉（Cu-TCPP）的环境友好型纳米载体，通过构建金属酚醛网络（MPN）封装，以多维方式释放地尼环唑（DIN），提高杀菌效果并调节其生物利用度。MPN 的引入可防止 DIN 在环境中过早从 Cu-TCPP@DIN@MPN 中逸出，并使其具有较强的界面粘附性，以抵御雨水的冲刷。所制备的 Cu-TCPP@DIN@MPN 纳米粒子（NPs）呈现出层状堆叠嵌入结构，提高了对镰刀菌（Fusarium oxysporum）的抑制率（90.9%）和光稳定性（67.2%），同时不会影响植物的健康生长，符合 DIN 残留的相关食品安全要求。这项工作为开发具有光稳定性、粘附性、抗雨水侵蚀性和可持续发展性的优异纳米载体农药提供了新思路。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Nano Letters 工程技术-材料科学：综合

CiteScore

16.80

自引率

2.80%

发文量

1182

审稿时长

1.4 months

期刊介绍： Nano Letters serves as a dynamic platform for promptly disseminating original results in fundamental, applied, and emerging research across all facets of nanoscience and nanotechnology. A pivotal criterion for inclusion within Nano Letters is the convergence of at least two different areas or disciplines, ensuring a rich interdisciplinary scope. The journal is dedicated to fostering exploration in diverse areas, including: - Experimental and theoretical findings on physical, chemical, and biological phenomena at the nanoscale - Synthesis, characterization, and processing of organic, inorganic, polymer, and hybrid nanomaterials through physical, chemical, and biological methodologies - Modeling and simulation of synthetic, assembly, and interaction processes - Realization of integrated nanostructures and nano-engineered devices exhibiting advanced performance - Applications of nanoscale materials in living and environmental systems Nano Letters is committed to advancing and showcasing groundbreaking research that intersects various domains, fostering innovation and collaboration in the ever-evolving field of nanoscience and nanotechnology.