Sample Preparation News

Thank you for attending our booth at NACRW 2015!

UCT would like to extend a special thanks to all of this year’s attendees at NACRW who paid visit to the booth and/or attended our sponsored lunch and learn focused on veterinary drug residue analysis. This year was a great...

UCT presenting poster at the American Association of Clinical Chemistry

UCT application chemist, Dr. Xiaoyan Wang, is presenting a poster on the use of QuEChERS as a novel extraction technique for the determination of benzodiazepines and steroids in whole blood. In clinical laboratories, the commonly used sample preparation techniques include...

World Health Organization highlights food safety

This year the World Health Organization (WHO) dedicated the World Health Day to highlight the importance of food safety. World Health Day is celebrated annually on April 7 to mark the 1948 founding of the WHO.   The theme was, “Food...

Clean Screen DAU Columns used in the analysis of ethylone related deaths

Researchers at the University of Florida, led by Dr. Bruce Goldberger, recently published an article in the Journal of Analytical Toxicology (DOI: 10.1093/jat/bkv053).  The paper investigates nine postmortem cases in which ethylone, a synthetic cathinone, was identified. The composition of...

CBS News report focuses on pesticide residues found in marijuana plants in the state of Colorado

CBS News recently reported that the state of Colorado is stepping up enforcement of testing and quarantining marijuana plants contaminated with banned pesticide materials.  You can click on the link to read the full article here: www.cbsnews.com/news/colorado-cracking-down-on-pot-pesticides/ Until now enforcement has...

Clean Screen® DAU Columns in Zolpidem urinary metabolite detection study

Researchers investigated and validated a method for the extraction and analysis of zolpidem and its metabolite, zolpidem 4-phenyl carboxylic acid (ZCA) from urine.  Zolpidem (Ambien®) is the most widely prescribed insomnia treatment in the USA.  Little is known about zolpidem...

Dextromethorphan and Dextrorphan Recovery from Skeletal Tissue Investigated

The article, published in the journal Drug Testing and Analysis is titled ‘Analysis of dextromethorphan and dextrorphan in decomposed skeletal tissues by microwave assisted extraction, microplate solid-phase extraction and gas chromatography – mass-spectrometry (MAE-MPSPE-GSMS)’, DOI: 10.1002/dta.1754. Dextromethorphan is an antitussive compound that has abuse...

Endcapped C18 Helps Researchers Achieve Excellent Analyte Sensitivity and Recovery for 131 Drug Residues in Bovine Muscle

The article, titled “Validation of a streamlined multiclass, multiresidue method for determination of veterinary drug residues in bovine muscle by liquid chromatography-tandem mass spectrometry” (DOI: 10.1007/s00216-014-8386-3) uses a d-SPE technique for the extraction of 131 veterinary drug residues in bovine muscle...

CLEAN SCREEN® THC SPE Columns Used for the Extraction of 37 Synthetic Cannabinoid Metabolites

In the method the authors used UCT’s CLEAN SCREEN® THC solid phase extraction (SPE) cartridges for the extraction of the cannabinoid metabolites from urine samples.  The SPE extractions helped researchers achieve LOD’s ranging from 0.1 to 1ng/mL, matrix effects biases ranging...

Newly published US EPA method 625.1 allows for solid phase extraction of semivolatile organic pollutants in industrial discharges

This technique requires multiple extractions at 2 different sample pHs and consumes large amounts of organic solvents. EPA method 625.1, an updated version of method 625 has been recently published (by Lemuel Walker, Office of Science and Technology, US EPA)...