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. Author manuscript; available in PMC: 2012 Dec 1.
Published in final edited form as: Mol Imaging Biol. 2011 Dec;13(6):1163–1172. doi: 10.1007/s11307-010-0424-8

Fig. 6.

Fig. 6

SCION(AlexaFluor555) emissions in hind footpad injection site (b) pre-, (c) immediately post-, (d) 15 min post-, and (e) 24 hr post-injection. The emissions spectrum of the injected agent is presented in (a). The red fluorescent signal seen in the pre-injection image and away from the injection site stemmed from autofluorescence, primary from hair follicles. Rapid clearance of particle from the intradermal injection site indicated that the primary mechanism of migration into lymphatics is passive diffusion