核桃壳粉和银杏绿色合成纳米银及其抗菌活性研究

I. Erdem, Şerife Çakir
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引用次数: 2

摘要

银(Ag)是一种众所周知的材料,具有有趣的性能(如催化活性、抗菌等)。纳米尺寸的银粒子由于具有相对较高的表面积而具有增强的性能。绿色合成是一种很有前途的材料制备/生产方法,利用较少的有害材料,相对更环保。本研究以植物提取物(辛纳拉和核桃壳粉)为反应介质,合成银纳米粒子(Ag NPs)。两种植物提取物制备的纳米颗粒尺寸分别为~46 nm和~109 nm。测定了制备的纳米银对大肠杆菌和金黄色葡萄球菌的抑菌活性,并研究了其最低抑菌浓度(MIC)。
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Green Synthesis of Silver Nanoparticles Using Walnut Shell Powder and Cynara sp. and their Antibacterial Activities
The silver (Ag) is a well-known material with interesting properties (i.e. catalytic activity, antimicrobial, etc.). The nano-sized particles of silver propose enhanced properties due to having relatively higher surface areas. The green synthesis is a promising way of material preparation/production being relatively more environmentally friendly by utilization of less harmful materials. In this work, the plant extracts (Cynara & Walnut shell powder) were used as reaction media for the synthesis of silver nanoparticles (Ag NPs). The nanoparticles produced via two plant extracts were ~46 nm and ~109 nm in size, respectively. The antibacterial activities of the produced silver nanoparticles (against E. coli and S. aureus species) were determined and minimum effective concentrations (MIC) for antibacterial activity were investigated.
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