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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Permeability curves of IK-3, KLA-2, and melittin against E. coli (NCTC 8739) at (a) MIC, (b) 2-fold MIC, and (c) 4-fold MIC. The 100% membrane permeabilization was measured using bacteria treated with melittin (32 μM).