Journal
PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS
Volume 197, Issue 5-6, Pages 625-629Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/10426507.2021.2014489
Keywords
Chitosan; phosphorylation; chitosan-hydrogenphosphates(III); chitin-hydrogenphosphates(III); copper complexes; antibacterial activity; polymer functionalization
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Funding
- Polish Ministry of Science and Higher Education
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The synthesis and antimicrobial activity of copper chitosan phosphates complexes were studied. The surface phosphorylations of chitosan were achieved by exposure to phosphorus trichloride vapors. The synthesized complexes showed potential applications as antibacterial materials against Gram-negative and Gram-positive bacteria.
The synthesis and antimicrobial activity of copper chitosan phosphates complexes are presented. Chitosan (Cts) surface phosphorylations were achieved by its exposure to phosphorus trichloride (PCl3) vapors. The formed chitosan-dichlorophosphines (Cts-[Y-PCl2](z); Y = N,O; z <= 3) were hydrolyzed to chitosan-hydrogenphosphates (Cts-[Y-P(O)(H)(OH)](z)), the chemo-physical and biological properties of which were analyzed. The performed antimicrobial tests of the synthesized Cts-[Y-P(O)(H)(OH)](z)xCu(2+) against representative Gram-negative bacteria (Escherichia coli) and Gram-positive bacteria (Staphylococcus aureus) revealed their potential applications as an antibacterial material.
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