Detection of 8-Oxoguanine in Cellular DNA Using 2,6-Diamino-8-oxopurine as an Internal Standard for High-Performance Liquid Chromatography with Electrochemical Detection

Quantification of 9-Carboxy-11-nor-Δ9-te

Quantification of 9-Carboxy-11-nor-Δ9-tetrahydrocannabinol in Urine Using Brominated 9-Carboxy-11-nor-Δ9-tetrahydrocannabinol as the Internal Standard and High-Performance Liquid Chromatography with Electrochemical Detection

✍ Daniel H. Fisher; Marc I. Broudy; L. Megan Fisher 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 459 KB 👁 1 views

A method was developed for quantitating 9-carboxy-ll-nor-A'-tetrahydrocannabinol in human urine as part of the process for validating an automated enzyme immunoassay for marijuana metabolites. Sample cleanup was accomplished using a mixed-mode solid-phase extraction. 9-Carboxy-ll-nor-A'-tetrahydroca