Nanoconjugate internalization in CXCR4 overexpressing (CXCR4+) SW1417 CRC cells after 1 hour exposure at 1µM, as measured by fluorescence emission using flow cytometry. (N=3 experiments in duplicate) Significant difference at p= 0.002 between T22-GFP-H6-FdU and AMD3100+T22-GFP-H6-FdU groups 