S. A. Baskakov, A. G. Bykov, A. N. Reshetilov, E. N. Kabachkov, Yu. V. Baskakova, S. S. Krasnikova, Yu. M. Shulga
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引用次数: 0
摘要
用天然多糖盐（海藻酸钠）稳定了两种银纳米粒子（AgNPs）样品。这些样品的合成条件不同，特别是它们的纳米颗粒生长速率不同。在较低的生长速率下，观察到形成的AgNPs更小，尺寸分布更窄，正如对该样品表面等离子体共振宽度的评估所表明的那样。研究了复合材料对氧化葡萄杆菌（glucconobacter oxydans sbsp）醋酸菌的抑菌活性。industrius VKM B-1280 （All-Russian Collection of microbiology）显示，两种AgNP样品都能抑制菌落生长。试验采用琼脂凝胶中活性成分扩散法进行。结果表明，海藻酸钠稳定AgNPs涂层可抑制苹果细菌性腐烂病的发生，可作为一种抗菌剂。
Obtaining Silver Nanoparticles Stabilized by Sodium Alginate and Their Application for Inhibiting Apple Rot
Two samples of silver nanoparticles (AgNPs) stabilized with the salt of a natural polysaccharide (sodium alginate) are obtained. The samples differed in their synthesis conditions, in particular, they had different nanoparticle growth rates. At a lower growth rate, the formation of smaller AgNPs with a narrower size distribution, as indicated by the assessment of the width of the surface plasmon resonance for this sample, is observed. Testing the antimicrobial activity of the studied composites against acetic acid bacteria of the strain Gluconobacter oxydans sbsp. industrius VKM B-1280 (All-Russian Collection of Microorganisms) show that the inhibition of colony growth occurred with both AgNP samples. The test is carried out using the method of diffusion of the active component in agar gel. The obtained results indicate that the formed coating based on sodium alginate-stabilized AgNPs inhibits the occurrence of the bacterial rot of apples and such a coating can be used as an antimicrobial agent.
期刊介绍：
Nanobiotechnology Reports publishes interdisciplinary research articles on fundamental aspects of the structure and properties of nanoscale objects and nanomaterials, polymeric and bioorganic molecules, and supramolecular and biohybrid complexes, as well as articles that discuss technologies for their preparation and processing, and practical implementation of products, devices, and nature-like systems based on them. The journal publishes original articles and reviews that meet the highest scientific quality standards in the following areas of science and technology studies: self-organizing structures and nanoassemblies; nanostructures, including nanotubes; functional and structural nanomaterials; polymeric, bioorganic, and hybrid nanomaterials; devices and products based on nanomaterials and nanotechnology; nanobiology and genetics, and omics technologies; nanobiomedicine and nanopharmaceutics; nanoelectronics and neuromorphic computing systems; neurocognitive systems and technologies; nanophotonics; natural science methods in a study of cultural heritage items; metrology, standardization, and monitoring in nanotechnology.
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