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Rapid Fractionation and Isolation of Whole Blood Components in Samples Obtained from a Community-based Setting
Published on: November 30, 2015
Rapid drug extraction from human whole blood using a modified QuEChERS extraction method.
Kiyotaka Usui1, Yoshie Hayashizaki, Masaki Hashiyada
1Division of Forensic Medicine, Department of Public Health and Forensic Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan. usui@forensic.med.tohoku.ac.jp
Legal Medicine (Tokyo, Japan)
|June 12, 2012
Summary
A modified QuEChERS method simplifies forensic drug and poison analysis in blood. This technique, combined with LC-MS/MS, offers rapid and reliable results for over 90 compounds.
Area of Science:
- Forensic Toxicology
- Analytical Chemistry
Background:
- The analysis of drugs and poisons in human whole blood is crucial for forensic investigations.
- Existing methods can be time-consuming and require specialized expertise.
Observation:
- A modified Quick, Easy, Cheap, Effective, Rugged, and Safe (QuEChERS) extraction method was developed for forensic applications.
- The method involves a two-step extraction and purification process using readily available materials.
Findings:
- The modified QuEChERS method coupled with liquid chromatography-tandem mass spectrometry (LC-MS/MS) enables simultaneous determination of over 90 forensically important drugs and poisons.
- The method was successfully applied in an autopsy case, demonstrating its effectiveness in extracting diverse compounds from whole blood.
Implications:
- This approach simplifies forensic toxicological analysis, making reliable data acquisition faster and more accessible.
- It empowers technicians with less experience in forensic toxicology to perform complex analyses efficiently.
