Fig. 4
From: Method development for 14C-labeling of IgG antibodies in preparation for clinical trials
Purity and stability of 14C-IgG. a Representative UV chromatogram of the 14C-IgG. b Representative radioactive chromatogram of the 14C-IgG. c Plot of peak area detected by UV absorbance at 220 nm over 4 weeks at two different temperatures, 75 ± 10 °C and 5 ± 3 °C. d Plot of peak area detected by radioactivity (cpm) over 4 weeks at two different temperatures, 75 ± 10 °C and 5 ± 3 °C. e Relative stability (%) over 4 weeks expressed as the standard deviation divided by the average of each condition