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The Automated Sample Preparation and Analysis of a Pharmaceutical Cream using the Focus Sample Processing Robot

The extraction of active ingredients from pharmaceutical products, especially creams, can often be a long and tedious process involving many steps and using strongly acidic and basic reagents. An automated e ...

Resource - Susan Gilbert - 18th Apr 2011 - 0 comments

Performance Evaluation of a Thermal Desorption System for Detection of Basic Drugs in Forensic Samples by GC/MS

Stir bar sorptive extraction (SBSE) is an innovative sample extraction technique that can be used to process blood, urine and tissue samples for routine drug screening in the forensic toxicology laboratory. ...

Resource - Susan Gilbert - 13th Apr 2011 - 0 comments

Feasibility of Extraction and Quantitation of d9-Tetrahydrocannabinol in Body Fluids by Stir Bar Sorptive Extraction (SBSE) and GC/MS

Proposed revisions to the DHHS Mandatory Guidelines for Federal Workplace Drug Testing Programs (Federal Register, April 13, 2004) include a confirmatory cut-off level of 2.0 ng/mL for THC (parent) in oral fl ...

Resource - Susan Gilbert - 13th Apr 2011 - 0 comments

Stir Bar Sorptive Extraction-Thermal Desorption-Capillary GC-MS applied for Analysis of Amphetamine Derivatives in Biological Fluids

Stir bar sorptive extraction (SBSE) is a novel sample preparation technique for the enrichment of solutes from biological matrices. The principle and operation of SBSE for enrichment of pharmaceutical drugs a ...

Resource - Susan Gilbert - 13th Apr 2011 - 0 comments

Preliminary Screening of Drugs in Bovine Serum and Water Utilizing Twister SBSE and Thermal Desorption

Customer is interested in simplifying sample preparation steps for analysis of drugs of abuse in human blood. For preliminary studies, bovine serum spiked with a range of drugs at 1 ppm level was used to avo ...

Resource - Susan Gilbert - 13th Apr 2011 - 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

Rapid Multidimensional GC Analysis of Trace Drugs in Complex Matrices

Reduction in analysis time is an important goal for easing the burden of large sample sets associated with routine screening of blood samples and sample sets produced from drug metabolism studies. This study ...

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