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Quality Control Analysis of [18F]FBz-scFv-B43.13. (A) Size exclusion chromatography (SEC) separation profile for the purification of [18F]FBz-scFv-B43.13 from the unreacted and degraded [18F]SFB; (B) Phosphorimage analysis of a SDS-PAGE of the corresponding fractions from the SEC is given in (A). Early SEC fractions (7-10) contained the radiotracer-[18F]FBz-scFv-B43.13, whereas later fractions (15-25) mainly contained unreacted and degraded [18F]SFB.
