Fig. 8From: Hybrid PET/optical imaging of integrin αVβ3 receptor expression using a 64Cu-labeled streptavidin/biotin-based dimeric RGD peptideImmunofluorescence staining of U87MG tumor tissue sections obtained after microPET/optical imaging. Cell nuclei are shown as blue dots. Magnification ×200. Arrows indicate overlay areasBack to article page