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Sample Preparation for Probe Electrospray Ionization Mass Spectrometry
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Probe Heating Method for the Analysis of Solid Samples Using a Portable Mass Spectrometer.

Shun Kumano1, Masuyuki Sugiyama1, Masuyoshi Yamada1

  • 1Hitachi, Ltd., Central Research Laboratory.

Mass Spectrometry (Tokyo, Japan)
|January 29, 2016
PubMed
Summary

A new probe heating method allows portable mass spectrometers to analyze solid illicit drug samples. This advancement enables sensitive onsite screening of various drugs, including methamphetamine and cocaine.

Keywords:
illicit drugonsite screeningportable mass spectrometersolid sample analysis

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Area of Science:

  • Analytical Chemistry
  • Forensic Science

Background:

  • Portable mass spectrometry is crucial for onsite illicit drug screening.
  • Previous systems were limited to liquid sample analysis.

Purpose of the Study:

  • To develop a probe heating method for analyzing solid samples with a portable mass spectrometer.
  • To expand the capabilities of portable drug screening technology.

Main Methods:

  • Utilized an aluminum rod as a sampling probe for solid or dried liquid samples.
  • Employed a heater to vaporize samples at 130°C for mass spectrometry analysis.
  • Used tandem mass spectrometry to detect analytes in mixed samples.

Main Results:

  • Successfully detected low nanogram quantities of methamphetamine, amphetamine, MDMA, MDA, and cocaine.
  • Demonstrated detection of methamphetamine in a mixture with clove powder.
  • Achieved sensitive and specific analysis of solid drug samples.

Conclusions:

  • The developed probe heating method offers a simple and effective way to analyze solid samples.
  • This method enhances the utility of portable mass spectrometers for onsite illicit drug screening.