Fig. 7.

Imaging of the histological specimen. (a) GFP-expressing 9L fliosarcoma tumor. Green color depicts cell cytoplasm stained with GFP. (b) Pancreatic islets with insulin-producing beta cells. Green color represents FITC staining of insulin granules. In both images cell nuclei were stained with DAPI (blue color). Scale bars are 50 μm.