合成和表征带有P-cymene的半孔纳米颗粒对抗大米细菌炎症
Chaonan Li1, Yalan Mo1, Luying Jiao1
1College of Plant Protection, Hunan Agricultural University, Changsha 410128, China.
Nanomaterials (Basel, Switzerland)
|February 9, 2024
概括
半孔性二氧化纳米颗粒有效地提供p-cymene,用于控制大米细菌病菌. 这种配方提供了持续的杀虫剂释放和减少对水生生物的毒性,增强了p-cymene在农业中的应用.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
- 农业科学 农业科学
背景情况:
- 半孔纳米颗粒 (MSN) 提供可控的农药释放,最大限度地减少对环境的伤害.
- 基 (PC) 显示出对大米细菌病的显著抑制作用.
研究的目的:
- 开发和评估p-cymene-loaded MSNs (PC@MSNs),以更有效和更安全地管理大米细菌病.
主要方法:
- 通过物理吸收,PC被加载到MSN上.
- PC@MSN的特点是形态,尺寸和药物装载能力.
- 在体外释放动力学和对*Xanthomonas oryzae*pv.v.的疗效. 评价了 *Oryzae * 的情况.
- 评估了对水生生物的急性毒性和对苗生长的影响.
主要成果:
- PC@MSNs呈现出正规的球形形状,平均尺寸为262.9nm,药物装载能力为8.6%.
- 在288小时内观察到持续的PC释放,由扩散驱动.
- PC@MSN显示了与PC相比,对目标病原体具有可比的疗效.
- PC@MSNs显示水生有毒性降低 (LC50 = 257.867 mg/L),对大米幼苗没有不良影响.
结论:
- PC@MSN代表了一种有前途的配方,可以持续和环保地提供p-cymene.
- 这种基于纳米技术的方法增强了p-cymene在米疾病管理中的农业效用.
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