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Microscopy of FR-α for A) HeLa and B) fibroblasts. Folate receptor was detected with primary antibody using anti-FR-α mouse IgG and secondary antibody of anti-mouse IgG conjugated to FITC (green). In addition, Hoechst stained was used to detect the nuclei (blue) and rhodamine phalloidin stained the cells’s cytoskeleton (red).
