Fig. 4From: Growth and function of equine endothelial colony forming cells labeled with semiconductor quantum dotsRepresentative photo micrographs of in vitro tubule formation in QD-labeled ECFCs (red) from 3 horses. Three replicates of duplicate assays were performed for each horse cell line. Panels a and d are light photo micrographs. Panels b and e are fluorescent photo micrographs. Panels c and f are merged images. Scale bars are 500 μmBack to article page