Fig. 1From: Natural outer membrane permeabilizers boost antibiotic action against irradiated resistant bacteriaSDS-PAGE of Proteinase K-treated cell-free supernatants of Escherichia coli3 (silver staining). Lanes: 1, untreated (control); 2, irradiated supernatant; 3, thymol supernatant; 4, gallic acid supernatant; 5, EDTA supernatant; 6, chitosan supernatantBack to article page