Issue 2, 2019

A pH-responsive hydrogel with potent antibacterial activity against both aerobic and anaerobic pathogens

Abstract

Aminoglycosides are a family of antibiotics with a wide-spread antibacterial spectrum and high antibacterial activity. However, they are less effective against anaerobic pathogens due to the requirement of aerobic respiration to exert their antibacterial functions. Here, we prepared a pH-responsive hydrogel with potent antibacterial activities against both aerobic and anaerobic pathogens. The hydrogel was prepared by reacting oxidized dextran with aminoglycoside and an ornidazole analogue via an acid-labile Schiff base linkage. The prepared hydrogel was injectable, self-healing, biocompatible, and showed a pH-responsive drug release behavior. More importantly, the gel was efficient in killing both aerobic and anaerobic pathogens. This study provides a facile strategy to expand the antibacterial spectrum of aminoglycoside hydrogels.

Graphical abstract: A pH-responsive hydrogel with potent antibacterial activity against both aerobic and anaerobic pathogens

Supplementary files

Article information

Article type
Paper
Submitted
28 Sep 2018
Accepted
07 Nov 2018
First published
09 Nov 2018

Biomater. Sci., 2019,7, 581-584

A pH-responsive hydrogel with potent antibacterial activity against both aerobic and anaerobic pathogens

J. Hu, Z. Zheng, C. Liu, Q. Hu, X. Cai, J. Xiao and Y. Cheng, Biomater. Sci., 2019, 7, 581 DOI: 10.1039/C8BM01211C

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