Fig. 3From: Clinical-grade N-(4-[18F]fluorobenzoyl)-interleukin-2 for PET imaging of activated T-cells in humansFlow chart GMP [18F]FB-IL2 manufacturing, including quality control requirements and methods. Abbreviations: UPLC: ultra-performance liquid chromatography; TLC: thin-layer chromatography; LAL: limulus amebocyte lysate; DMF: N,N-dimethylformamide; GC: gas chromatographyBack to article page