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. 2009 May 4;53(7):3042–3048. doi: 10.1128/AAC.01604-08

FIG. 2.

FIG. 2.

Effect of various light irradiances (A) and starting cell concentrations (B) on the killing of S. aureus and Acinetobacter sp. strain AC811 in the presence of MB-PAA-DNP in suspension. In panel A, light irradiances of 20 mW/cm2 (□) and 38 mW/cm2 (▪) and the same light fluence (68.4 J/cm2) were used. *, significant difference (P < 0.05) between two tests. A statistical analysis was done by using Student t tests. In panel B, a light irradiance of 38 mW/cm2 and a light fluence of 68.4 J/cm2 were used. Suspensions of S. aureus (░⃞) and Acinetobacter (□) strains with starting concentrations of 106 CFU/ml (left columns) and 108 CFU/ml (right columns) were used. NP, MB-PAA nanoparticle. Error bars indicate the standard errors of three replicates.