Figure 3
From: Novel small molecule 11β-HSD1 inhibitor from the endophytic fungus Penicillium commune
Determination of cortisone and cortisol by HPLC-MS/MS.
(A) Biological activity of 11β-HSD1. (B) HPLC-MS/MS Chromatogram of cortisone and cortisol, (C,D) Positive ESI MS/MS spectra acquired on an API4000 mass spectrometer for cortisol with collision energy of 33 eV and cortisone with collision energy of 30 eV.
