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Radiochemical purity (RCP) values (top) and cell binding fraction (bottom) expressed as mean ± SD of 212Pb-labelled NG001 in 224Ra-solution containing no scavengers, 2% L-ascorbic acid, 2% HSA or both scavengers when incubated at activity concentrations of 2.8-5 MBq/ml up to 48 hours (at room temperature, n=2-3). (A higher resolution / colour version of this figure is available in the electronic copy of the article).
