Search Results for "Thc Cooh Urine Lcms Assay"

06:07 EDT 23rd October 2014 | BioPortfolio

Original Source: LC-MS-MS method for simultaneous determination of THCCOOH and THCCOOH-glucuronide in urine: Application to workplace confirmation tests.

Cannabis is the one of the most frequently detected drug in workplace drug testing and in cases of driving under influence of drugs, and there is a greater demand for sensitive, rapid and reliable methods for confirming the presence of this drug in biological samples. This paper describes an LC-MS-MS procedure for direct analysis of cTHC and cTHC-glucuronide in urine, without hydrolysis of the samples or derivatisation. The sample preparation is very simple and consist only in a dilution of urine with metha...

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'Sterile' Urine May Be a Myth

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Identification and quantification of metabolites of the fungicide tebuconazole in human urine.

Tebuconazole (TEB) is a fungicide used in agriculture; the objective of this work was to identify and quantify TEB metabolites in human urine. Samples from seven vineyard workers exposed to TEB were s...

Estimation of Measurement Uncertainty for the Quantification of 11-Nor-Delta 9-Tetrahydrocannabinol-9-Carboxylic Acid and Its Glucuronide in Urine Using Liquid Chromatography-Tandem Mass Spectrometry.

Recently, the estimation of the measurement uncertainty has become a significant issue in the quality control of forensic drug testing. In the present study, the uncertainty of the measurement was cal...

Sensitive and selective plasmonic assay for spermine as biomarker in human urine.

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Quantitative low-volume assay for simultaneous determination of fentanyl, norfentanyl, and minor metabolites in human plasma and urine by liquid chromatography-tandem mass spectrometry (LC-MS/MS).

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