Figure 6

(a) Fluorescent images after injection of CHI-FITC over 3 days; (b) near infrared (NIR) images after injection of CMC-NIR over 2 days; (c) fluorescent image of CHI-FITC, NIR image of CMC-NIR, optical image and merged fluorescent and NIR images of CHI-FITC and CMC-NIR; (d) merged fluorescent and NIR images after injection of CHI-FITC and CMC-NIR over 21 days.