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Related Experiment Video

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Experimental Methods for Trapping Ions Using Microfabricated Surface Ion Traps
11:45

Experimental Methods for Trapping Ions Using Microfabricated Surface Ion Traps

Published on: August 17, 2017

Linear ion trap fabricated using rapid manufacturing technology.

Adam T Clare1, Liang Gao, Boris Brkić

  • 1Department of Engineering, University of Liverpool, Liverpool, United Kingdom.

Journal of the American Society for Mass Spectrometry
|December 8, 2009
PubMed
Summary
This summary is machine-generated.

Researchers developed a low-cost, 3D-printed linear ion trap for portable mass spectrometry. This digital light processing (DLP) trap achieves high mass range and resolution at lower radiofrequency voltages, ideal for field applications.

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Area of Science:

  • Analytical Chemistry
  • Instrumentation Science

Background:

  • Portable mass spectrometry requires compact, low-power ion traps.
  • Traditional ion trap fabrication can be complex and expensive.

Purpose of the Study:

  • To design and test a linear ion trap fabricated using digital light processing (DLP).
  • To integrate the DLP ion trap into a portable mass spectrometer system.
  • To evaluate the performance of the DLP ion trap for analyzing various compounds.

Main Methods:

  • Fabrication of a linear ion trap using digital light processing (DLP) 3D printing.
  • Integration of the DLP ion trap into a portable mass spectrometer.
  • Acquisition of mass spectra for methamphetamine, cocaine, rhodamine B, and Ultramark.
  • Demonstration of tandem MS capability for rhodamine B.

Main Results:

  • Successful operation of the DLP ion trap in a portable mass spectrometer.
  • Obtained mass spectra for target analytes with a maximum resolution of 260 (FWHM).
  • Demonstrated tandem MS capability and high mass range (m/z 1621) operation.
  • Observed lower radiofrequency voltage requirements compared to similar rectilinear ion traps due to hyperbolic electrode geometry.

Conclusions:

  • DLP 3D printing is a viable, low-cost method for fabricating linear ion traps.
  • The DLP ion trap enables portable mass spectrometry with high mass range and low power consumption.
  • This technology is well-suited for field applications requiring robust and efficient ion trapping.