Noncovalent functionalization of graphene oxide and reduced graphene oxide with Schiff bases as antibacterial agents

被引：28
作者：
Omidi, Sakineh [1 ]
Kakanejadifard, Ali [1 ]
Azarbani, Farideh [2 ]
机构：
[1] Lorestan Univ, Dept Chem, Khorramabad, Iran
[2] Lorestan Univ, Dept Biol, Khorramabad, Iran
来源：
JOURNAL OF MOLECULAR LIQUIDS | 2017年 / 242卷
关键词：
Graphene oxide; Reduced graphene oxide; Pyridinium salt; Antibacterial activity; QUATERNARY AMMONIUM-COMPOUNDS; ANTIMICROBIAL ACTIVITY; MOLECULAR-STRUCTURE; CARBON NANOTUBES; NANOSHEETS; BACTERIA; DELIVERY; NANOPARTICLES; COMPOSITES; BIOSENSORS;
D O I：
10.1016/j.molliq.2017.07.074
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Conjugation of two or more substances to enhance the antibacterial properties of the resulting hybrids can be a useful method to fight bacterial resistance. In this work, a series of ligands composed of two Quaternary ammonium compounds (QAC) and chromene parts synthesized and then assembled on surfaces of graphene oxide (GO) and reduced graphene oxide (rGO). The formation of hybrids is caused by pi-pi interactions between GO/rGO and chromene part of ligands in addition to electrostatic interactions. The primary ligands only had an impact on Gram-positive and didn't exhibit activity against Gram-negative bacteria while the new hybrids showed increased effect on Gram-positive bacteria, also have a significant effect against Gram-negative bacteria. (c) 2017 Published by Elsevier B.V.
引用
收藏
页码：812 / 821
页数：10
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