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相关概念视频

Waterproofing and Anti-Bacterial Admixtures in Concrete01:22

Waterproofing and Anti-Bacterial Admixtures in Concrete

Concrete's susceptibility to water absorption is due to the capillary action within the pores of its hydrated cement paste. This action draws water in, creating the need for waterproofing admixtures to prevent such penetration. The efficacy of these admixtures is contingent upon the water pressure, with variations arising from different conditions such as rain, capillary rise, or hydrostatic pressure in structures intended to hold water.
Waterproofing admixtures render concrete hydrophobic,...

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基于纤维素和红枣树皮皮提取物的水凝具有抗菌活性:制备和表征

Ha Thu Nguyen1, Thanh Thao Nguyen1, Ha Thu Do1

  • 1School of Chemistry and Life Sciences, Hanoi University of Science and Technology, Hanoi, Vietnam.

Biopolymers
|May 5, 2025
PubMed
概括

这项研究开发了一种抗菌水凝,使用红枣树皮提取物和银纳米粒子. 由此产生的材料显示了增强的热性能和有效的对细菌的灭菌.

关键词:
加尔西尼亚马戈斯塔纳提取物它具有抗菌活性,具有抗菌活性.绿色材料是一种绿色材料.这是一种水凝.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 生物技术是生物技术.
  • 纳米技术纳米技术

背景情况:

  • 水凝是多功能生物材料,在各种领域都有应用.
  • 从自然资源中开发抗菌材料是一个日益增长的研究领域.
  • 银纳米粒子以其抗菌性质而闻名.

研究的目的:

  • 开发一种有效的方法,从自然资源中制备抗菌水凝.
  • 为了将银纳米粒子引入水凝矩阵中,使用红枣树皮提取物.
  • 描述合成的水凝的特性并评估其抗菌活性.

主要方法:

  • 使用水:乙醇溶剂混合物从红枣树皮中提取活性化合物.
  • 通过减少酸银的合成银纳米颗粒使用红枣树皮提取物.
  • 通过在纤维素上对烯酸进行移植共聚合制备水凝,然后进行交叉连接.
  • 水凝组件的特性,结构和热性能.
  • 评估抗菌活性对抗阳性和阴性细菌.

主要成果:

  • 曼哥斯丁树皮提取的最佳溶剂被确定为水:乙醇 (1:2 v/v).
  • 银纳米粒子与水凝矩阵形成了强烈的相互作用,增强了热稳定性.
  • 合成的水凝对阳性和阴性细菌表现出显著的抗菌活性.
  • 含有9.7±0.2%重量%银的水凝显示出最高的热性质和抗菌功效.

结论:

  • 一个有效的方法生产抗菌水凝从天然红枣树皮提取物和银纳米粒子的抗菌水凝被成功开发.
  • 加入银纳米颗粒显著改善了水凝的热性能和广泛的抗菌疗效.
  • 这项研究提出了一种有前途的天然抗菌水凝,在各种生物医学领域具有潜在的应用.