Fig. 5From: Fully-automated synthesis of 177Lu labelled FAPI derivatives on the module modular lab-EazyR-HPLC chromatograms of (a) Free [177Lu] Lu, (b) [177Lu]Lu-FAPI-04, (c) [177Lu]Lu-FAPI-46. Free [177Lu] Lu RT: 2–3 min., [177Lu]Lu-FAPI-04 RT: 4–5 min., [177Lu]Lu-FAPI-46 RT: 6–7 min. (Method parameters are the same as depicted in Fig. 2). R-TLC chromatograms of (d) Free [177Lu] Lu, (e) [177Lu]Lu-FAPI-04, (f) [177Lu]Lu-FAPI-46. TLC plate: ITLC SG, mobile phase: 0.05 M Citrate buffer pH 4, Free [177Lu] Lu RF: 0.8–1.0, [177Lu]Lu-FAPI-04 & [177Lu]Lu-FAPI-46. RF: 0.0–0.2Back to article page