Antibacterial action of chitosan and carboxymethylated chitosan

By Xiao Fei Liu, Y. Guan, Dong Yang, Zhi Li, K. Yao. 2001

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Effect of MW and concentration of chitosan on antibacterial activity of Escherichia coli (2006, background): “, 2002) and was varied depending upon the pH of chitosan preparation (Liu et al., 2001).”
Chitosan—A versatile semi-synthetic polymer in biomedical applications (2011, neutral): “t [54,55]”
Antibacterial activity of chitin, chitosan and its oligomers prepared from shrimp shell waste (2012, background): “coli work of Tsai and Su (1999) who investigated the antibacterial activity of shrimp chitosan and by Liu et al. (2006) who assessed the effect of Mv and concentration of chitosan on antibacterial action.”
Functional Characterization of Chitin and Chitosan (2009, background): “The authors concluded that the antibacterial activities of chitosan and carboxymethylated derivatives depend on the effective number of –NH3 + groups [103].”
Review of Chitosan and Its Derivatives as Antimicrobial Agents and Their Uses as Textile Chemicals (2003, background): “The antimicrobial activity of chitosan is directly proportional to the DD of chitosan.([60,67,72,75]) The increase in DD means an increased number of amino groups on chitosan.”
Chitosan based hydrogels and their applications for drug delivery in wound dressings: A review. (2018, background): “Degree of deacetylation affects chitosan antimicrobial activity (Chung et al., 2004; Liu et al., 2001); on the other hand chitosan microspheres with a high degree of deacetylation (97.”