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. Author manuscript; available in PMC: 2009 Jun 8.
Published in final edited form as: Small. 2008 Jun;4(6):712–715. doi: 10.1002/smll.200701103

Figure 4.

Figure 4

Functionality of nanoparticle-labeled CTLs. Flow cytometry analysis of the functionality of CTLs incubated with control/targeting nanoparticles (left) and control nanoparticles/tetramer (right) 18 hrs post incubation. Cells incubated with nanoparticles or tetramers were probed for upregulation of CD69, an early indicator of T cell activation. Targeting nanoparticles demonstrated T cell functionality comparable to MHC- peptide tetramers after loading.