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. 2023 Oct 24;14:1258469. doi: 10.3389/fmicb.2023.1258469

FIGURE 4.

FIGURE 4

The outer membrane permeability of A. baumannii and interaction/disaggregation of LPS by the peptides. (A,B) The outer membrane permeability by NPN fluorescence detection of MRAB 0227 (A) and AB 22933 (B) after a treatment of the peptides. The data are presented as the mean ± SEM (n = 3); (C,D) zeta potential changes of MRAB 0227 (C) and AB 22933 (D) treated with the peptides. The data are presented as the mean ± SEM (n = 3); (E) the ability of the peptides to bind LPS using pierce™ chromogenic endotoxin quant kit. The data are presented as the mean ± SEM (n = 3); (F) fluorescence intensity changes of FITC-labeled LPS in the presence of the peptides; (G) size distribution of LPS, the peptides and LPS in the presence of the peptides by measure the particle size using DLS. The data are presented as the mean ± SEM (n = 3).