146-147 / 427
Techniques in Current PDE5 Inhibitor Analysis
•
Mass spectrometry (mostly LC‐MS)
•
(U)HPLC UV/DAD ‐
•
Spectrofluorometry
•
TLC/HPTLC
•
Bioassay based on PDE5 inhibition
•
ELISA
M l
l
t
(NMR NIR R )
•
o ecu ar spec roscopy
,
, aman