%0 Journal Article %T Al18F-Labeling Of Heat-Sensitive Biomolecules for Positron Emission Tomography Imaging %A Alfons Verbruggen %A Catarina Xavier %A Daniel J Rubins %A Frederik Cleeren %A Geert Raes %A Guy Bormans %A Joan Lecina %A Muneer Ahamed %A Nick Devoogdt %A Paul McQuade %A Vicky Caveliers %A Wenping Li %J Theranostics %D 2017 %I Ivyspring International Publisher %R 10.7150/thno.20094 %X Positron emission tomography (PET) using radiolabeled biomolecules is a translational molecular imaging technology that is increasingly used in support of drug development. Current methods for radiolabeling biomolecules with fluorine-18 are laborious and require multistep procedures with moderate labeling yields. The Al18F-labeling strategy involves chelation in aqueous medium of aluminum mono[18F]fluoride ({Al18F}2+) by a suitable chelator conjugated to a biomolecule. However, the need for elevated temperatures (100-120 ˇăC) required for the chelation reaction limits its widespread use. Therefore, we designed a new restrained complexing agent (RESCA) for application of the AlF strategy at room temperature. %K Al18F-labeling %K PET %K human serum albumin %K nanobody %K affibody. %U http://www.thno.org/v07p2924.htm