... their membranes, and thus the lack of a specific molecular microbial target minimizesresistance development. The fundamental principle of action of most peptides depends on the ability of thesemolecules ... concentrations of 10 lMto 1000 lMand at higher concentrations the peptide preci-pitated. Thus, the index expresses the level of antibacterialactivity in relative terms [18]. The activities of the ... totalvolume of 50 lL. (A) Synthetic peptides derived from the LG-domain of the laminin a5 chain (PPP25, LGT25, RLR22, PGR11), the laminina1 chain (SRN16, SRN29, KDF15, SAV15) and the laminin...