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使用硫量子点提高Bacillus thuringiensis配方的紫外线辐射保护:合成和有效性评估

Elham Jalali^1,2, Shahab Maghsoudi³

¹Department of Chemistry, Shahid Bahonar University of Kerman, P.O. Box, Kerman, 76169-14111, Iran.

Scientific reports

|July 29, 2024

概括

微囊中的硫量子点 (SQD) 保护Bacillus thuringiensis (Bt) 生物农药免受紫外线降解. 这种新的配方增强了子活力和杀虫活性,以改善害虫控制.

科学领域:

生物技术是生物技术.
材料科学材料科学材料科学
农业科学农业科学

背景情况:

菌 (Bt) 是一种微生物杀虫剂,由于紫外线降解,其有效性有限.
阳光的紫外线辐射会降解Bt子和晶体,降低其在害虫控制中的有效性.

研究的目的:

开发一种具有增强紫外线保护的新型Bacillus thuringiensis (Bt) 配方.
用硫量子点 (SQD) 作为稳定剂在皮克林乳液中,以提高Bt稳定性.

主要方法:

使用FTIR,XRD,TEM,HRTEM,UV和光分析合成和表征硫量子点 (SQD).
一种包含SQDs的微囊配方被开发用于Bacillus thuringiensis (Bt).
新型配方的紫外线稳定性和杀虫活性与未受保护的Bt和非微囊的SQD配方进行了评估.

主要成果:

鉴定证实了分散良好的球形SQDs的形成.
使用SQDs的微囊配方在96小时的紫外线暴露后保持了57.77%的子活力,明显高于对照组.
微囊配方实现了71.22%的幼虫死亡率,显示出优异的杀虫活性.

结论:

使用SQDs的微囊配方有效地保护Bt子和晶体免受紫外线辐射.
这种方法提高了生物农药的弹性和保质期.
开发的配方为先进的害虫控制应用提供了一个有希望的策略.

关键词:

微囊微囊是一种微囊.皮克林乳液是一种皮克林乳液.量子点是一个量子点.具有抗紫外线的抗UV能力.

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