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纳米TiO2悬浮液对烟草青枯菌杀菌活性的研究
The Fatal Activity of Titanium Dioxide on Pseudomonas solanacearum
【摘要】 纳米T iO2是一种半导体光催化剂,在近紫外光的激发下,可以产生强的杀菌活性。以烟草青枯菌P seudomonas solanacearum为试验对象,采用平板稀释法对自制的纳米T iO2悬浮液进行杀菌活性测定。结果表明:在阳光或汞灯下照射4h后,T iO2对烟草青枯菌的杀菌率可达90%以上。说明用纳米T iO2防治烟草青枯病具有一定的可行性。
【Abstract】 As a photocatalyst,titanium dioxide(TiO2) exhibits strong sterilization effect when it is(irradiated) with near-UV light.The fatal activity of TiO2 photocatalyst on Pseudomonas solanacearum was tested.The result indicated that the TiO2 fatal activity could reach to more than 90% when it was irradiated by high-voltage mercury lamp or solar light for 4 h.
【关键词】 纳米TiO2;
光催化氧化;
杀菌;
烟草青枯菌;
【Key words】 titanium dioxide; photocatalytic oxidation; fatal activity; Pseudomonas solanacearum;
【Key words】 titanium dioxide; photocatalytic oxidation; fatal activity; Pseudomonas solanacearum;
- 【文献出处】 农药学学报 ,Chinese Journal of Pesticide Science , 编辑部邮箱 ,2005年04期
- 【分类号】S435.72
- 【被引频次】14
- 【下载频次】203