华南理工大学学报(自然科学版) ›› 2020, Vol. 48 ›› Issue (4): 80-86.doi: 10.12141/j.issn.1000-565X.190588

• 化学化工 • 上一篇    下一篇

IRMOF- 3 接枝柠檬醛的合成与抗菌性能

苏健裕1 管靖玮1 方立明2† 徐振波1 肖雨茜1
  

  1. 1. 华南理工大学 食品科学与工程学院,广东广州 510640; 2. 华南理工大学 材料科学与工程学院,广东 广州 510640
  • 收稿日期:2019-09-11 修回日期:2019-11-11 出版日期:2020-04-25 发布日期:2020-04-01
  • 通信作者: 方立明(1979-),男,博士,副研究员,主要从事医用生物材料研究。 E-mail:lmfang@scut.edu.cn
  • 作者简介:苏健裕(1979-),男,博士,副研究员,主要从事食品生物技术研究。E-mail:jysu@scut.edu.cn
  • 基金资助:
    国家 “十三五” 重点研发计划子课题 ( 2017YFD0601303 ); 广东省自然科学基金资助项目(2015A030312004); 揭阳市科技计划项目重点项目 (2017xm020)

Synthesis and Antibacterial Property of IRMOF-3 Grafted with Citral

SU Jianyu1 GUAN Jingwei1 FANG Liming2 XU Zhenbo1 XIAO Yuxi1   

  1. 1. School of Food Science and Engineering,South China University of Technology,Guangzhou 510640,Guangdong,China;2. School of Materials Science and Engineering,South China University of Technology,Guangzhou 510640,Guangdong,China
  • Received:2019-09-11 Revised:2019-11-11 Online:2020-04-25 Published:2020-04-01
  • Contact: 方立明(1979-),男,博士,副研究员,主要从事医用生物材料研究。 E-mail:lmfang@scut.edu.cn
  • About author:苏健裕(1979-),男,博士,副研究员,主要从事食品生物技术研究。E-mail:jysu@scut.edu.cn
  • Supported by:
    Supported by the National 13th Five-Year Key Research and Development Plan (2017YFD0601303) and the Natural Science Foundation of Guangdong Province (2015A030312004)

摘要: 由于耐药菌的增加与新药研发进度的缓慢,需要开发新的抗菌替代物。柠檬醛是一种天然广谱抗菌剂,但其稳定性和适用性欠佳。金属有机框架材料比表面大,其金属离子可抗菌、有机配体官能团丰富。鉴于此,文中采用醋酸锌法合成带有氨基的纳米级金属有机框架材料 (IRMOF-3) 颗粒,并在其表面接枝柠檬醛 (IRMOF-3-C)。傅里叶红外光谱与电喷雾质谱分析表明,柠檬醛与 IRMOF-3 形成了具有酸响应的席夫碱键。抗菌实验结果显示,和柠檬醛、IRMOF-3 相比,IRMOF-3-C 对大肠杆菌与金黄色葡萄球菌的抑菌和杀菌性能均显著提高,表现出较好的抗菌性与稳定性。

关键词: 柠檬醛, 金属有机框架, 抗菌性能, 接枝

Abstract: There is an urgent need for novel antimicrobial alternatives due to the increasing drug resistant bacteria and the slow development of antibiotics. Citral is a natural broad-spectrum antibacterial agent with poor stability and applicability. Metal organic framework is a porous material synthesized from metal ions and organic building blocks with large specific surface area. The metal ions endow it with antibacterial property,and rich organic ligands allow it for easier functionalization. As a result,nano-sized metal organic framework particles (IRMOF-3) with amino groups were synthesized by zinc acetate method,and the particle surface was grafted with citral (IRMOF-3-C).Fourier transform infrared spectroscopy and electrospray ionization mass spectrometry analysis indicates that citral and IRMOF-3 form a Schiff base bond with an acid responsibility. Antibacterial tests show that,as compared with citral and IRMOF-3,IRMOF-3-C can significantly improve the bacteriostatic and bactericidal properties against Escherichia coli and Staphylococcus aureus,and exhibits good antibacterial property and stability.

Key words: citral, metal-organic frameworks, antibacterial property, grafting

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