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. Author manuscript; available in PMC: 2015 Jan 1.
Published in final edited form as: Adv Healthc Mater. 2013 Jun 25;3(1):142–148. doi: 10.1002/adhm.201300084

Fig. 6. Stability of lipid constructs and RBC clearance in vivo.

Fig. 6

RBCs were painted with DiI alone or with DiI and FITC constructs described in Fig. 5. Results are compared with DSPE-PEG-IgG (low IgG)/DiI-painted RBCs. Ligand levels on the RBC surface (A) and RBC levels in blood (B) were independently monitored by flow cytometry as described in Fig. 2. DSPE-PEG-FITC showed somewhat better retention than DSPE-PEG-IgG at 24h but there was no significant difference at 48h. Conversely, both DSPE-PEG-IgG RBCs and DSPE-FITC RBCs showed better circulation properties than DSPE-PEG-IgG at 48h. All data were in triplicates and analyzed with two-sided t-test.