家环境保护日本研究人员利用磁性细菌回...

日本研究人员利用磁性细菌回收有害物质

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December 8, 2008

【新三才网讯】日本《日经产业新闻》日前报道说,东京农工大学研究小组研制出一种利用磁性细菌回收有毒物质的新方法.

研究小组发现,磁性细菌细胞膜表面上有许多“M sp1”蛋白质,这种蛋白质具有很强的与溶液中的有毒镉离子结合的能力.

而磁性细菌会在菌体内形成磁性粒子,所以可以利用有磁石的小型装置回收附着有镉离子的细菌.在实验中,研究人员成功地利用磁性细菌回收了溶液中的有毒镉离子.

研究人员认为,这一新方法可以在环境净化和回收有色金属等方面加以利用.

来源：狂人快讯

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