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胸腺嘧啶功能化二氧化硅纳米颗粒的制备及其对Hg^(2+)的吸附研究

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摘要 文章介绍了一种基于胸腺嘧啶(T)修饰的二氧化硅纳米颗粒(SNPs-T)去除水体中汞离子的方法。采用3-氨丙基三甲氧基硅烷对二氧化硅纳米颗粒(SNPs)表面进行氨基修饰,再利用氨基与胸腺嘧啶-1-乙酸进行脱水缩合作用在SNPs表面进行功能化修饰得到SNPs-T。功能化的SNPs-T通过胸腺嘧啶与汞离子特异性配位结合(T-Hg2+-T)来固定,收集水溶液中的汞离子。文章通过XPS方法证明了SNPs-T对Hg2+的吸附作用。
出处 《科技创新与应用》 2015年第21期8-9,共2页 Technology Innovation and Application
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