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相关概念视频

Colloidal precipitates01:09

Colloidal precipitates

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The high insolubility of some precipitates can result in an unfavorable relative supersaturation. This can lead to colloidal particles with a large surface-to-mass ratio, where adsorption is promoted. For instance, in the precipitation of silver chloride, silver ions are adsorbed on the surface of the colloidal particles, forming a primary layer. This layer attracts ions of opposite charge (such as nitrate ions), forming a diffuse secondary layer of adsorbed ions. This electric double layer...
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Predicting Precipitation
The equation that describes the equilibrium between solid calcium carbonate and its solvated ions is:
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A type of Lewis acid-base chemistry involves the formation of a complex ion (or a coordination complex) comprising a central atom, typically a transition metal cation, surrounded by ions or molecules called ligands. These ligands can be neutral molecules like H2O or NH3, or ions such as CN− or OH−. Often, the ligands act as Lewis bases, donating a pair of electrons to the central atom. These types of Lewis acid-base reactions are examples of a broad subdiscipline called coordination...
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Chemical substances interact in many different ways. Certain chemical reactions exhibit common patterns of reactivity. Due to the vast number of chemical reactions, it becomes necessary to classify them based on the observed patterns of interaction.
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相关实验视频

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Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles
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有Ag的银纳米集群.

Benedetta Orfei1, Chiaraluce Moretti2, Stefania Loreti3

  • 1Department of Agricultural, Food and Environmental Sciences, University of Perugia, Perugia, Italy.

Applied microbiology and biotechnology
|June 8, 2023
PubMed
概括
此摘要是机器生成的。

银超纳米集群 (ARGIRIUM-SUNCs) 对植物病原体表现出强大的抗菌活性,抑制生长和生物膜形成. 这些纳米颗粒有效地保护番茄植物免受细菌疾病的侵袭,不致植物毒性,提供了一个有前途的环保替代品.

关键词:
克拉维巴克特密西根尼斯亚种. 美国密歇根州的密歇根人.伪虫的注射器 pv. 在这里,我们可以看到茄,番茄,番茄.银纳米颗粒 银纳米粒子克桑托蒙纳斯 (Xanthomonas) 是一种状虫.克西莱拉 (Xylella fastidiosa) 的一个亚种. 这就是PaucacaPaucaca.

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科学领域:

  • 纳米技术在农业中的应用
  • 植物病理学 植物病理学
  • 抗菌剂 抗菌剂 抗菌剂

背景情况:

  • 铜化合物是植物细菌疾病的主要治疗方法,由于耐药性和环境毒性而面临挑战.
  • 开发环保和有效的替代品来管理植物细菌疾病至关重要.
  • 纳米粒子为新型植物疾病控制策略提供了一个有希望的途径.

研究的目的:

  • 评估电化学合成的银超纳米集群 (ARGIRIUM-SUNCs) 在保护植物免受植物病原性细菌的有效性.
  • 评估ARGIRIUM-SUNCs的抗菌活性,生物膜抑制和植物保护能力.

主要方法:

  • 银超纳米集群 (ARGIRIUM-SUNCs) 的合成,平均尺寸为1.79nm,具有Ag2+/3+氧化状态的特征.
  • 在体外测试针对Pseudomonas syringae pv. 番茄,Xanthomonas vesicatoria,Xylella fastidiosa亚种. 这种植物的生长方式是不同的. 波卡,以及克拉维巴克特密歇根尼斯亚种. 密歇根州人. 密歇根州人.
  • 通过根吸收对番茄植物中生物膜抑制和根除,植物毒性和植物保护的评估.

主要成果:

  • 在实验室中,ARGIRIUM-SUNCs表现出强烈的细菌生长抑制 (EC50 < 1 ppm) 和生物膜形成.
  • 用ARGIRIUM-SUNCs进行的治疗消除了P. syringae pv.的生物膜. 番茄,X. vesicatoria,和C. michiganensis亚种. 这种种子. 密歇根州人. 密歇根州人.
  • 在ARGIRIUM-SUNCs (10 ppm) 保护的番茄植物 (80%) 根部应用,防止P. syringae pv. 番茄没有引起植物毒性和诱导的效果.

结论:

  • 银超纳米集群 (ARGIRIUM-SUNCs) 对关键的植物病原菌具有显著的抗微生物和抗菌膜特性.
  • 阿尔吉里乌姆-SUNC提供了一种安全有效的方法来保护番茄植物免受细菌疾病,如细菌斑.
  • 使用ARGIRIUM-SUNCs代表了一种可行的,环保的替代方法来控制植物细菌疾病.