Figure 2From: In vitro and in vivo pre-clinical analysis of a F(ab')2 fragment of panitumumab for molecular imaging and therapy of HER1-positive cancers SDS-PAGE analysis of panitumumab F(ab') 2 . The panitumumab F(ab')2 was evaluated by SDS-PAGE before (a) and after (b) the final step of buffer exchange and concentration using a Centriprep centrifugal filtration device. The fragment was applied to a 4-20% gel in the absence and presence of β-mercaptoethanol.Back to article page