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Updated: May 2, 2026

Sample Preparation for Probe Electrospray Ionization Mass Spectrometry
Published on: February 19, 2020
Robotic plasma probe ionization mass spectrometry (RoPPI-MS) of non-planar surfaces
Rachel V Bennett1, Ezequiel M Morzan, Jacob O Huckaby
1School of Chemistry and Biochemistry, Georgia Institute of Technology, 901 Atlantic Dr. NW, Atlanta, GA, USA. facundo.fernandez@chemistry.gatech.edu.
Abstract:
In this report, we present a robotic sample introduction/ionization system for mass spectrometry (MS) for spot analysis and imaging of non-planar surfaces. The system operates by probing the sample surface with an acupuncture needle, followed by direct plasma chemical ionization time-of-flight MS.
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