Efficient method for functionalization of carbon nanotubes by lysine and improved antimicrobial activity and water-dispersion

被引：79

作者：

Amiri, Ahmad ^{[1
]}

Zardini, Hadi Zare ^{[2
]}

Shanbedi, Mehdi ^{[1
]}

Maghrebi, Morteza ^{[1
]}

Baniadam, Majid ^{[1
]}

Tolueinia, Behnaz ^{[2
]}

机构：

[1] Ferdowsi Univ Mashhad, Fac Engn, Dept Chem Engn, Mashhad, Iran

[2] Ferdowsi Univ Mashhad, Fac Sci, Dept Chem, Mashhad, Iran

来源：

MATERIALS LETTERS | 2012年 / 72卷

关键词：

Antimicrobial; Carbon nanotubes; FTIR; Lysine; Functionalization; BACTERIA;

D O I：

10.1016/j.matlet.2011.12.114

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Here, multi-walled carbon nanotubes (CNT) were first functionalized with lysine under microwave irradiation. The water-dispersed CNT were obtained by diazonium-assisted functionalization. Formation of lysine on CNTs surface was confirmed by FUR, TGA, Raman and TEM techniques. Then, by minimal inhibitory concentration (MIC), antimicrobial activity of functionalized and pristine CNT was studied on three Gram-negative bacteria as well as three Gram-positive bacteria. The MIC results show that functionalized CNT with lysine were more effective than pristine CNT against all studied bacteria. This simple and efficient mechanism could be used to CNT functionalization with molecules containing primary amine groups. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：153 / 156

页数：4

共 16 条

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