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Cationic antimicrobial peptides function

Al-Badri and co-workers [55] studied the effect of fine-tuning the cationic parameter of synthetic mimics of antimicrobial peptides (SMAMP) on haemolytic and antibacterial activities. A category of novel norbornene monomers that carry one, two or three Boc-protected amine-functionalities was synthesised (Figure 3.8). ROMP of the monomers, followed by deprotection of the amine groups led to cationic antimicrobial polynorbornenes that carry one, two and three charges per monomer repeat unit. It was observed that enhancing the number of amine groups on the most hydrophobic polymer effectively decreased its haemolytic activity. [Pg.70]

One important milestone in our research is the design and development of new amino acid-based surfactants with antimicrobial properties, which mimic natural amphiphilic cationic peptides [42,43]. To this end, Lys and Arg derivatives of long-chain A -acyl, COO-ester, and A-alkyl amide have been prepared. In particular, the A -acylarginine methyl ester derivatives series 1 (Scheme 1) have turned out to be an important class of cationic surface active compounds with a wide bactericidal activity, high biodegradability, and low toxicity profile. We have shown that essential structural factors for their antimicrobial activity include both the length of the fatty residue (akin with their solubility and surface activity) and the presence of the protonated guanidine function [43,44]. [Pg.199]


See other pages where Cationic antimicrobial peptides function is mentioned: [Pg.1419]    [Pg.2031]    [Pg.399]    [Pg.176]    [Pg.206]    [Pg.140]    [Pg.222]    [Pg.223]    [Pg.23]    [Pg.67]    [Pg.209]    [Pg.189]    [Pg.9]    [Pg.92]    [Pg.179]    [Pg.216]    [Pg.11]    [Pg.63]    [Pg.587]    [Pg.2712]    [Pg.164]    [Pg.155]   
See also in sourсe #XX -- [ Pg.128 ]




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