Search: GERSTEL DPX

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Automated Extraction, Derivatization and GC/MS Determination of Tetrahydrocannabinol and Metabolites in Whole Blood Using Disposable Pipette Extraction

Disposable pipette extraction (DPX) has been shown to be a rapid, efficient and reproducible technique for performing solid-phase extraction (SPE) of drugs from biological specimens. DPX is based on pipette ...

Resource - Susan Gilbert - 9th Sep 2010 - 0 comments

Analysis of Drugs and Metabolites in Blood and Urine using Automated Disposable Pipette Extraction

In this work an automated DPX procedure is presented that enables the determination of acidic, basic, and neutral drugs in small blood or urine samples. The DPX method is based on a mixed-mode cation exchang ...

Resource - Susan Gilbert - 9th Sep 2010 - 0 comments

Comprehensive Analysis of Drugs of Abuse in Blood and Urine with Automated Disposable Pipette Extraction and HPLC/MS/MS

The analysis of opiates in blood and urine was accomplished using automated Disposable Pipette Extraction (DPX) followed by LC/MS analysis. The automated extractions were performed in about 5 minutes using a ...

Resource - Susan Gilbert - 9th Sep 2010 - 0 comments

Automated Disposable Pipette Extraction of Pesticides from Fruits and Vegetables

DPX has been shown to be a rapid, efficient and reproducible method for performing SPE of pesticides from fruits and vegetables. DPX is a unique SPE method because the solid phase sorbent is contained inside ...

Resource - Susan Gilbert - 9th Sep 2010 - 0 comments

Automated Multi-Residue Pesticide Analysis in Fruits and Vegetables by Disposable Pipette Extraction (DPX) and Gas Chromatography/Mass Spectrometry

One of the most important aspects of reducing pesticide exposure is monitoring of pesticide residues in foods. A number of analytical methods have been developed, many of them based on traditional liquid-liq ...

Resource - Susan Gilbert - 9th Sep 2010 - 0 comments

Analysis of Drugs of Abuse using Automated Disposable Pipette Extraction and LC/MS/MS

Solid Phase Extraction (SPE) is a widely used, proven method for sample preparation and sample clean-up in the field of forensic analysis. Most SPE products require relatively large volumes of solvent leadin ...

Resource - Susan Gilbert - 9th Sep 2010 - 0 comments