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中国腐蚀与防护学报  2011, Vol. 31 Issue (5): 385-388    
  研究报告 本期目录 | 过刊浏览 |
聚苯胺在水中的抗菌作用
石南林,刘宝蕴,张彦英,宫骏,孙超
中国科学院金属研究所 沈阳 110016
ANTIBACTERIAL ACTIVITY OF POLYANILINE IN WATER
SHI Nanlin, LIU Baoyun, ZHANG Yanying, GONG Jun, SUN Chao
Institute of Metal Reserch, Chinese Academy of Sciences, Shenyang 110016
全文: PDF(757 KB)  
摘要: 研究了聚苯胺在水中的抗菌作用及其相应机制。对用掺杂聚苯胺处理后污水的水质分析和研究结果表明,其微生物指标可达到中水水质,但由于掺杂态聚苯胺在水中发生酸溶出效应,造成水体的化学需氧量COD(Chemical oxygen demand)值升高,形成对水的二次污染。当水中菌液浓度为3.0~102 CFU•mL-1时本征态聚苯胺的抗菌效果达99%,微生物指标达到生活饮用水标准值,同时并不二次污染水体。碘蓝分光光度法分析结果表明,聚苯胺将水中的氧气氧化为活性氧而杀死细菌是聚苯胺在水中抗菌的另一个可能机制。
关键词 聚苯胺抗菌掺杂活性氧    
Abstract:Antibacterial activity of polyaniline and the mechanism in water was studied in this paper. The results indicated that the microorganism index of treated sewage water for urban by doped polyaniline could reach to the level of reclaimed water. Due to the dissolving out of doping acid the doped polyaniline could raise the COD (chemical oxygen demand) of wate and result in secondary pollution. In comparison, the antibacterial rate of emeraldine base polyaniline could reach up to 99% without contamination. The result of analysis by KI iodine-blue spectrophotometry reveals that the activity of active oxygen created by oxidation of polyaniline may be another antibacterial mechanism during treament of water.
Key wordspolyaniline    antibacterial    doping    active oxygen
收稿日期: 2011-01-11     
ZTFLH: 

TV213.6

 
基金资助:

国家高技术发展计划项目(2008AA03Z409)资助}

通讯作者: 石南林     E-mail: nlshi@imr.ac.cn.
Corresponding author: SHI Nanlin     E-mail: nlshi@imr.ac.cn.
作者简介: 石南林,男,1946年生,研究员,研究方向为导电高分子材料

引用本文:

石南林,刘宝蕴,张彦英,宫骏,孙超. 聚苯胺在水中的抗菌作用[J]. 中国腐蚀与防护学报, 2011, 31(5): 385-388.
DAN Na-Lin. ANTIBACTERIAL ACTIVITY OF POLYANILINE IN WATER. J Chin Soc Corr Pro, 2011, 31(5): 385-388.

链接本文:

https://www.jcscp.org/CN/      或      https://www.jcscp.org/CN/Y2011/V31/I5/385

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