"绿色"银纳米颗粒对植物和人类病原体的抗菌效率,用于环境卫生
Svitlana Dybkova1, Konrad Terpilowski2, Olena Goncharuk1,3
1F.D. Ovcharenko Institute of Biocolloidal Chemistry, National Academy of Science of Ukraine, 42 Vernadskogo Blvd., 03142 Kyiv, Ukraine.
Materials (Basel, Switzerland)
|November 13, 2025
概括
绿色合成的银纳米颗粒显示出强大的抗菌活性,对抗土壤传播的病原体. 某些配方还促进玉米种子发芽,为农业和土壤卫生提供可持续的解决方案.
科学领域:
- 农业科学 农业科学
- 环境科学 环境科学
- 纳米技术 纳米技术
背景情况:
- 土壤传播的病原体对作物产量和农业可持续性构成重大威胁.
- 绿色合成的银纳米粒子 (AgNPs) 为传统抗菌剂提供了一个有希望的环保替代品.
研究的目的:
- 评估四种绿色合成的AgNP配方对关键细菌病原体的抗菌疗效.
- 评估AgNP对土壤微生物群和植物 (Zea mays) 种子发芽的影响.
主要方法:
- 使用植物提取物和各种减少剂合成四种AgNP配方.
- 对指标细菌 (大肠杆菌,E. faecalis,S. aureus,P. aeruginosa) 和植物病原性P. syringae进行抗菌活性测试.
- 土壤化研究和Zea mays种子发芽试验.
主要成果:
- AgNP#3和AgNP#4在低最小抑制度 (MIC) 的情况下表现出显著的抗菌活性.
- AgNPs有效地减少了土壤中的P. syringae种群,而不损害有益的土壤微生物群.
- AgNP#1和AgNP#2提高了Zea mays种子的发芽率.
结论:
- 生物源的AgNP是有效的抗微生物剂,用于可持续的土壤卫生.
- 特定的AgNP配方具有农业应用的潜力,包括促进作物生长.
关键词:
伪蒙的注射器齐亚梅斯 (Zea mays) 是一种植物.抗微生物活性的抗微生物活性.绿色合成是一种绿色合成.纳米生物技术纳米生物技术植物病原性细菌是一种植物病原性细菌.卫生指标细菌 卫生指标细菌银纳米颗粒的使用方法土壤卫生土壤卫生卫生更多相关视频
11:19Synthesis of Multi-walled Carbon Nanotubes Modified with Silver Nanoparticles and Evaluation of Their Antibacterial Activities and Cytotoxic Properties
Published on: May 10, 2018
10.6K
08:08Antimicrobial Characterization of Advanced Materials for Bioengineering Applications
Published on: August 4, 2018
22.7K
相关概念视频
Antimicrobial Effectiveness
889
The effectiveness of antimicrobial agents depends on various factors influencing their ability to eliminate microbial populations. Larger microbial populations require more time for complete eradication, emphasizing the importance of population size analysis when evaluating antimicrobial efficacy.Microbial resistance to antimicrobial agents varies significantly. Highly resilient microorganisms include endospores, gram-negative bacteria, and non-enveloped viruses, while prions are exceptionally...
889
Chemical Agents for Microbial Control
736
Chemicals play important roles in controlling microbial growth by targeting microbial structures and functions as sanitizers, antiseptics, disinfectants, and sterilants.Alcohols are commonly used sanitizers, effectively disrupting lipid membranes, which compromises cell integrity. They are also used as antiseptics and disinfectants due to their rapid action and versatility.Phenols and their derivatives phenolics , known for denaturing proteins and disrupting cell membranes, are particularly...
736
Biological Methods for Microbial Control
767
Biological agents offer an effective means of controlling microbial growth by leveraging natural processes like predation, competition, and the secretion of antimicrobial substances.Predatory bacteria such as Bdellovibrio species target and kill pathogens like Salmonella and E. coli. They are widely used in poultry farms to control infections. Myxococcus species help combat plant-pathogenic fungi. These naturally occurring predators serve as eco-friendly alternatives to chemical pesticides and...
767
Hand hygiene
5.5K
Asepsis is the practice of preventing or breaking the chain of infection. The nurse employs aseptic techniques to prevent the spread of microorganisms and reduce the risk of diseases. Hand hygiene is the cornerstone of aseptic techniques and is classified into medical and surgical asepsis. Medical asepsis includes hand hygiene and the use of gloves. Surgical asepsis, or the sterile technique, refers to practices that render and keep objects and areas free of microorganisms.
Hand washing...
Hand washing...
5.5K
Methods for Controlling Microbial Growth
1.5K
Microbial growth control refers to various methods employed to inhibit, reduce, or eliminate microorganisms to ensure safety and hygiene across different settings. These methods are categorized based on the target environment and the level of microbial control required.Biocides are versatile agents designed to control microorganisms by either inhibiting their growth or outright killing them. These agents work through various physical, chemical, mechanical, or biological mechanisms. The...
1.5K
