Simple and sensitive LC-ESI-MS method fo
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Khalid M. Alkharfy
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Article
📅
2009
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John Wiley and Sons
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English
⚖ 171 KB
## Abstract Sildenafil is a selective inhibitor of phosphodiesterase type 5 enzyme. A simple and sensitive LC‐MS assay was developed to determine the concentration of sildenafil in human plasma. Sildenafil and omeprazole (internal standard) were extracted from the plasma with diethyl ether. The ext