Antimicrobial Activities of Chitosan Derivatives

Considering the challenge created by the development of bacterial and fungal strains resistant to multiple therapeutic variants, new molecules and materials with specific properties against these microorganisms can be synthesized, like those synthesized from biopolymers such as chitosan with improve...

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Bibliographic Details
Published in:Pharmaceutics 2021-10, Vol.13 (10), p.1639
Main Authors: Ardean, Cristina, Davidescu, Corneliu Mircea, Nemeş, Nicoleta Sorina, Negrea, Adina, Ciopec, Mihaela, Duteanu, Narcis, Negrea, Petru, Duda-Seiman, Daniel, Muntean, Delia
Format: Article
Language:English
Subjects:
antibacterial activities
antifungal activities
Antimicrobial agents
Bacteria
Biocompatibility
chitosan
Food
Fourier transforms
functionalization by impregnation
Microorganisms
Molecular weight
Morphology
Polymers
Ratios
Scanning electron microscopy
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Summary:Considering the challenge created by the development of bacterial and fungal strains resistant to multiple therapeutic variants, new molecules and materials with specific properties against these microorganisms can be synthesized, like those synthesized from biopolymers such as chitosan with improved antimicrobial activities. Antimicrobial activities of seven obtained materials were tested on four reference strains belonging to American Type Culture Collection. The best antimicrobial activity was obtained by functionalization by impregnation of chitosan with quaternary ammonium salts, followed by that obtained by functionalization of chitosan with phosphonium. The lowest antibacterial and antifungal effects were expressed by Ch-THIO and Ch-MBT, but new materials obtained with these extractants may be precursors with a significant role in the direct control of active molecules, such as cell growth factors or cell signaling molecules.
ISSN:1999-4923
1999-4923
DOI:10.3390/pharmaceutics13101639