Microwave-assisted synthesis of nanocrystalline MgO and its use as a bacteriocide
Microwave-assisted synthesis of nanocrystalline MgO and its use as a bacteriocide
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DOI：
10.1002/adfm.200500029
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发表时间：
2005-10-01
影响因子：
19
通讯作者：
Gedanken, A
中科院分区：
文献类型：
--
作者：
Makhluf, S;Dror, R;Gedanken, A
采用微波辐射法在乙二醇溶液中合成了纳米氧化镁。通过用1 mg/mL纳米颗粒处理大肠杆菌（革兰氏阴性）和金黄色葡萄球菌（革兰氏阳性）培养物来测试MgO纳米颗粒的抗菌活性。我们已经研究了尺寸效应，pH值和活性MgO物种作为杀菌剂的形式的重要性。观察到纳米颗粒的明显尺寸依赖性，其中根除的细菌的量强烈依赖于颗粒尺寸。
Nanocrystalline particles of MgO were synthesized using microwave radiation in an ethylene glycol solution. The antibacterial activities of the MgO nanoparticles were tested by treating Escherichia coli (Gram negative) and Staphylococcus aureus (Gram positive) cultures with 1 mg mL(-1) of the nanoparticles. We have examined the importance of the size effect, pH, and the form of the active MgO species as a bactericidal agent. A clear size dependence of the nanoparticles is observed where the amount of eradicated bacteria was strongly dependent on the particle size.