摘要
纳米Fe3O4颗粒经修饰接枝高分子季铵盐可形成具有抗菌功效的抗菌纳米Fe3O4颗粒。该抗菌颗粒对革兰氏阳性和阴性细菌、真菌(酵母)等具有明显的抗菌活性,抗菌活性与形成的季铵盐电荷及疏水性有关,以正己烷基形成的季铵盐抗菌剂的抗菌活性最高,聚合物分子量对抗菌剂的抗菌活性有较大影响,纳米Fe3O4颗粒修饰接枝高分子季铵盐抗菌剂后,具有较好的接枝稳定性。
It has strongly antimicrobial activity and well stability that the microbicidal nano - Fe3O4 derivatized with poly （4 - vinyl - N - alkylated - pyridinium） and N - alkylated ＋ methylated polyethylenimine quaternary ammonium salt by activated and modified nano - Fe3O4. The antimicrobial activity of nano- Fe3O4 to bacteria and fungi（yeast） is obvious and related to the charges and hydrophohie of quaternary ammonium salt of polymer. The strongest antimicrobial activity is gotten from grafted N - hexylated quaternary ammonium salt polymer and the antimicrobial activity of nano - Fe3O4 is effected on molecular of polymer.
出处
《贵州工业大学学报（自然科学版）》
CAS
2007年第6期14-17,21,共5页
Journal of Guizhou University of Technology(Natural Science Edition)
基金
国家自然科学基金(50363001)
贵州省自然科学基金(20033082)
作者简介
王广莉（1963-），女，贵州兴义人，讲师，研究方向：抗菌材料。
