Representative <i>ex vivo</i> imaging of the resected tumor xenografts and visceral organs (n = 6).

<p>(a) A photograph of the excised tumor and visceral organs using a digital camera. (b) A representative <i>ex vivo</i> image of the resected tumor xenografts and visceral organs from tumor bearing mice sacrificed at about 30 hrs after injection with the CB probe. (c) Comparison of fluorescence intensities in tumor site and main visceral organs (^*<i>p</i><0.05 when compared with visceral organs). Error bars represent SD.