Microfluidic-based production of [68Ga]Ga-FAPI-46 and [68Ga]Ga-DOTA-TOC using the cassette-based iMiDEV™ microfluidic radiosynthesizer

EJNMMI Radiopharmacy and Chemistry

Table 3 Summary of concentration and elution of [⁶⁸Ga]GaCl₃

Trapping and elution	Mixing technique	No of syn (n)	Volume (µL)	Conc of eluent	Recovery (%)
Direct trapping	Normal flow	10	170	Eluent 1	78 ± 4
Reverse trapping	Normal flow	12	140	Eluent 2	84 ± 4
Reverse trapping	Continuous flow	21	140	Eluent 2	75 ± 8
Reverse trapping	Alternative flow	6	120	Eluent 2	79 ± 6
Reverse trapping	Pulse flow	17	140	Eluent 2	88 ± 4
Reverse trapping	Pulse flow	4	200	Eluent 2	91 ± 6