Fig. 4From: In vivo imaging of Lactococcus lactis, Lactobacillus plantarum and Escherichia coli expressing infrared fluorescent protein in miceTime-course (24 h) imaging of mice administered with 5.0 × 1010 cells of IRFP713-expressing L. lactis. a Reflectance (epifluorescence) image with a color bar indicating radiant efficiency [(p/s/cm2/sr)/(μW/cm2)]. b Radiant efficiency of IRFP713-expressing L. lactis in mice as a function of time. Vertical bars indicate standard errorBack to article page