Research Article

F-18 Labeled Vasoactive Intestinal Peptide Analogue in the PET Imaging of Colon Carcinoma in Nude Mice

Figure 1

The electrophoresis band of the radioactive product (c) corresponded to the band of [R8,15,21, L17]-VIP (b) and the 3313 Dalton band of marker protein (a).
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