Fig. 4
From: Improving the stability of 11C–labeled L-methionine with ascorbate

HPLC chromatograms of co-injecting MET and METSO with 11C–MET solution purified by HPLC using PBS as the eluant: a UV chromatogram b Radio chromatogram
From: Improving the stability of 11C–labeled L-methionine with ascorbate
HPLC chromatograms of co-injecting MET and METSO with 11C–MET solution purified by HPLC using PBS as the eluant: a UV chromatogram b Radio chromatogram