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Updated: Jul 28, 2025

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Quantification of Coenzyme A in Cells and Tissues
Published on: September 27, 2019
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Co 的生物合成
P Gowthami1,2, A Kosiha3, S Meenakshi4
1PG Department of Chemistry, Shrimati Devkunvar Nanalal Bhatt Vaishnav College for Women, Chennai, India.
Scientific reports
|June 2, 2023
概括
使用Mollugo oppositifolia L.提取物生物合成的氧化物 (Co3O4) 纳米颗粒对Culex quinquefasciatus蚊子表现出强大的杀性活性. 这些纳米粒子还表现出增强的抗微生物和抗真菌特性,为害虫和疾病控制提供了新的途径.
科学领域:
- 纳米技术纳米技术
- 材料科学 材料科学 材料科学
- 环境科学 环境科学
背景情况:
- 纳米技术提供了革命性的进步,影响了各个部门的日常生活.
- 纳米粒子具有独特的特性,适用于各种应用,包括寄生虫学,催化和化品.
研究的目的:
- 使用绿色化学方法合成氧化物 (Co3O4) 纳米粒子.
- 为了评估生物合成的Co3O4纳米颗粒对Culex quinquefasciatus的幼虫杀伤疗效.
- 评估合成的Co3O4纳米颗粒的抗微生物和抗真菌活性.
主要方法:
- Co3O4纳米颗粒通过化学还原方法合成,辅助的是Mollugo oppositifolia L.的水性叶子提取物.
- 用UV-Vis光谱,SEM,XRD,EDX,FTIR和HR-TEM进行了生物合成的Co3O4纳米颗粒的表征.
- 对Culex quinquefasciatus幼虫进行了杀性活性测试,对选择的病原体进行了抗微生物/抗真菌活性评估.
主要成果:
- XRD分析证实生物合成的Co3O4纳米颗粒的晶体尺寸大约为22.7nm.
- 合成的Co3O4纳米颗粒对Culex quinquefasciatus幼虫表现出显著的杀虫活性 (LD50 = 34.96μg/mL),表现优于植物提取物和Permethrin.
- 与Ciprofloxacin相比,Co3O4纳米颗粒对大肠杆菌和B. cereus具有增强的抗菌活性,对MIC值较低的Candida albicans和Microsporum audouinii具有强烈的抗真菌活性.
结论:
- 使用Mollugo oppositifolia L.提取物进行Co3O4纳米颗粒的绿色合成是可行的,并产生具有显著幼虫杀伤活性的纳米颗粒.
- 生物合成的Co3O4纳米颗粒具有有前途的抗微生物和抗真菌特性,这表明在公共卫生和医学领域的潜在应用.
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