Antibacterial actions of silver nanoparticles incorporated Zn-Al layered double hydroxide and its spinel
Antibacterial actions of silver nanoparticles incorporated Zn-Al layered double hydroxide and its spinel
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DOI：
10.1016/j.jece.2013.08.031
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发表时间：
2013-12-01
影响因子：
7.7
通讯作者：
Mohanty, Prangya Paramita
中科院分区：
文献类型：
--
作者：
Mishra, Geetanjali;Dash, Barsha;Mohanty, Prangya Paramita
报道了制备层状双氢氧化物（LDH）及其尖晶石沉积银纳米粒子的简单方法。通过共沉淀法合成了层状双氢氧化物（LDH）和银-层状双氢氧化物（LDH）复合材料，然后在150 ℃下老化。将上述复合物在800 ℃下煅烧以产生与Ag 2 O结合的相应尖晶石。发现复合物和煅烧产物都显示出抗菌活性，但在真菌活性中孢子形成。银-层状双氢氧化物（LDH）复合物对大肠杆菌和金黄色葡萄球菌的抑菌圈直径分别为5 mm和6 mm，而煅烧后的银-层状双氢氧化物（LDH）复合物对相同细菌的抑菌圈直径分别为15 mm和18 mm，表明煅烧后的产物比复合物本身具有更强的抑菌活性。这一结果可能会导致其在陶瓷工业中的应用。(C)2013爱思唯尔有限公司保留所有权利。
Simple processes to produce silver nanoparticles deposited layered double hydroxide (LDH) and its spinels are reported. Pristine layered double hydroxide (LDH) and Ag-layered double hydroxide (LDH) composite are synthesized through co-precipitation followed by ageing at 150 degrees C. The aforementioned composite was calcined at 800 degrees C to produce the corresponding spinel combined with Ag2O. Both of the composite and the calcined product are found to be showing antibacterial activity but sporulation in the fungal activity. The zone diameters of Ag-layered double hydroxide (LDH) composite are 5 mm and 6 mm for Escherichia coli and Staphylococcus aureus whereas the same for calcined Ag-layered double hydroxide (LDH) are 15 mm and 18 mm for the same bacteria showing stronger antibacterial activity of the calcined product over the composite itself. This result may lead to its application in ceramic industries. (C) 2013 Elsevier Ltd. All rights reserved.