Fig. 6

Distribution of the FITC-hIgG1-Fc-9Arg complexes to organs and gastrointestinal (GI) track in Balb/c mice (n = 3, male, 5–7 weeks). a Fluorescence images of FITC-hIgG1-Fc-9Arg in the major organs and GI tract. b-c Quantification of the fluorescence intensity is indicating biodistribution of the complexes. Mean ± SD (n = 2 or 3), 2-way ANOVA with Sidak’s multiple comparisons test. # was P < 0.05