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Applications of cellulose and chitin/chitosan derivatives and composites as antibacterial materials: current state and perspectives

Abstract

The bacterial infections have always a serious problem to public health. Scientists are developing new antibacterial materials to overcome this problem. Polysaccharides are promising biopolymers due to their diverse biological functions, low toxicity, and high biodegradability. Chitin and chitosan have antibacterial properties due to their cationic nature, while cellulose/bacterial cellulose does not possess any antibacterial activity. Moreover, the insolubility of chitin in common solvents, the poor solubility of chitosan in water, and the low mechanical properties of chitosan have restricted their biomedical applications. In order to solve these problems, chemical modifications such as quaternization, carboxymethylation, cationization, or surface modification of these polymers with different antimicrobial agents, including metal and metal oxide nanoparticles, are carried out to obtain new materials with improved physiochemical and biological properties. This mini review describes the recent progress in such derivatives and composites with potential antibacterial applications.

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Funding

This work was funded by the National Natural Science Foundation of China (no. 31470610 and no. 21576212), Natural Science Foundation of Tianjin (17YFZCSF01120 and 18PTSYJC00140), and the Youth Innovation Foundation of Tibet (no. QC2015-27).

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Correspondence to Cheng Zhong.

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The authors declare that they have no conflict of interest.

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This article does not contain any studies with human participants or animals performed by any of the authors.

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Shahia Khattak and Fazli Wahid are co-first Author

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Khattak, S., Wahid, F., Liu, LP. et al. Applications of cellulose and chitin/chitosan derivatives and composites as antibacterial materials: current state and perspectives. Appl Microbiol Biotechnol 103, 1989–2006 (2019). https://doi.org/10.1007/s00253-018-09602-0

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  • DOI: https://doi.org/10.1007/s00253-018-09602-0

Keywords

  • Chitin/chitosan
  • Cellulose
  • Derivatives
  • Composites
  • Antibacterial applications