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The study describes the Sonogashira cross-coupling reaction with 4-[18F]fluoroiodobenzene ([18F]FIB) as novel and efficient method for rapid labelling of peptides with the short-lived positron emitter fluorine-18. [ABSTRACT FROM AUTHOR]

Radiolabeling of peptides with the short-lived positron emitter fluorine-18 is usually a challenging endeavour. Conventional radiolabeling reactions mostly require fairly large amounts of peptides as labeling precursors, and extensive synthesis times. Intrinsic advantages of microfluidic technology permit to overcome these hurdles. Herein, we describe how microfluidic technology combined with [18F]FDG as readily available PET radiotracer allows for fast and high yielding radiolabeling reactions of peptides with fluorine-18. [ABSTRACT FROM AUTHOR]

The study describes for the first time the application of Cu(I)-mediated 1,3-dipolar [3+2]cycloaddition for the labelling of proteins with the short-lived positron emitter fluorine-18 as exemplified with azide-functionalized human serum albumin (HSA). [ABSTRACT FROM AUTHOR]