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. Author manuscript; available in PMC: 2014 Jun 1.
Published in final edited form as: Free Radic Biol Med. 2013 Mar 14;59:2–13. doi: 10.1016/j.freeradbiomed.2013.03.001

Fig. 7. A representative LC-MS/MS chromatogram of PGF2α's extracted from human urine.

Fig. 7

Top panel shows heavy isotope labeled internal standard PGF2α-d4 from urine second panel shows the corresponding transition for PGF2α's which are chromatographically resolved from their free radical derived isomers, the 8-Iso-PGF2α's. Bottom two panels show other free radical derived PGF2α isomers with different MRM transitions.