Figure 3From: Bioactive magnetic near Infra-Red fluorescent core-shell iron oxide/human serum albumin nanoparticles for controlled release of growth factors for augmentation of human mesenchymal stem cell growth and differentiationPhotobleaching Stabilization of Cy7 by encapsulation. Fluorescence intensity as function of time of free Cy7 and Cy7-IO/HSA NPs following illuminated at 800 nm was measured using spectrofluorometer.Back to article page