The Surface Modification and Antimicrobial Activity of Basic Magnesium Hypochlorite Nanoparticles

被引：7
作者：
Xu, Lijian [1 ]
Tang, Zengmin [1 ]
Xu, Jianxiong [1 ]
Zhang, Jide [1 ]
Du, Jingjing [1 ]
Li, Na [1 ]
机构：
[1] Hunan Univ Technol, Hunan Key Lab Green Packaging & Applicat Biol Nan, Zhuzhou 412007, Peoples R China
来源：
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2015年 / 15卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Basic Magnesium Hypochlorite Nanoparticles; Sodium Stearate; Hydrophobicity; Antimicrobial Activity; AG NANOPARTICLES; TIO2; NANOPARTICLES; ZNO-NANOPARTICLES; ANTIBACTERIAL; FILMS; NANOTUBES;
D O I：
10.1166/jnn.2015.8909
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The basic magnesium hypochlorite (BMH) nanoparticles were prepared by two micro-emulsion techniques and modified with sodium stearate. The influences of the main technical parameters such as the addition amount of sodium stearate, reaction temperature and reaction time on the Lipophilic degree (LD) of the modified BMH nanoparticles were investigated. The characteristics of the BMH nanoparticles were analysed by means of Malvern Instruments, transmission electron microscopy (TEM), water contact angle measurements, Fourier transform infrared spectroscopy (FTIR) and thermogravimetry analysis (TGA). The antimicrobial activity of the modified BMH nanoparticles was investigated with the antibacterial circle test. The results showed that the average size of the BMH nanoparticles was 305 nm. The BMH nanoparticles had been successfully modified by sodium stearate and the LD of the modified BMH nanoparticles was 8.4% when the addition amount of sodium stearate was 0.15 g, the reaction temperature was 10 degrees C and the reaction time was 5 h. The dispersibility and hydrophobicity of the modified BMH nanoparticles were improved and the contact angle was up to 103 degrees, the modified BMH nanoparticles still had excellent antimicrobial activity after modification.
引用
收藏
页码：1229 / 1235
页数：7
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