Self-assembly characteristics of gold nanoparticles in the presence of arginine

被引:0
|
作者
Barbu-Tudoran, L. [2 ]
Tomoaia, Gh. [3 ]
Horovitz, O. [1 ]
Mocanu, A. [1 ]
Tomoaia-Cotisel, M. [1 ]
机构
[1] Univ Babes Bolyai, Fac Chem & Chem Engn, Cluj Napoca 400028, Romania
[2] Univ Babes Bolyai, Ctr Electron Microscopy, Cluj Napoca 400006, Romania
[3] Iuliu Hatieganu Univ Med & Pharm, Dept Orthoped Surg, Cluj Napoca 400015, Romania
来源
关键词
gold nanoparticles; self-assembly; L-arginine;
D O I
暂无
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The interaction of colloidal gold in aqueous solutions with L-arginine solutions of different concentrations and in various mixing ratios was investigated by UV-Vis spectroscopy, transmission electron microscopy (TEM) and atomic force microscopy (AFM). It is evidenced that L-arginine mediates the formation of assemblies of gold nanoparticles, which are shown in TEM and AFM observations to have a complex structure. The TEM results for the evolution of these assemblies are used to evidence the progress in the building process of supermolecular structures. A model is proposed for the mediating action of arginine in the interparticle interactions.
引用
收藏
页码:2293 / 2297
页数:5
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