A Novel In Vitro Method to Assess the Microbial Barrier Function of Tissue Adhesives Using Bioluminescence Imaging Technique

Figure 2

Results of bioluminescence imaging after inoculation with 10 μL E. coli Lux: (a) culture on PU-glue and (b) culture on control filter paper after 1 h, 24 h, 48 h, and 72 h time points from (i) above, (ii) bottom, and (iii) cross section, respectively. Bioluminescence signal is shown as radiance (p/sec/cm²/sr) on a color-coded intensity scale depicted in the color bars beside the image. For the cross section images ((iii) in (a, b)), Min and Max values of the measurement range are indicated on the bottom right corner of the images.

(a) PI-glue

(b) Control