Robert G Ewing

10PUBLICATIONS
13CO-AUTHORS
Electroanalytical chemistryMetabolomic chemistryCheminformatics and quantitative structure-activity relationshipsAnalytical spectrometryInstrumental methods (excl. immunological and bioassay methods)
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Publications (10)

|Feb 18, 2026
Ambient Ion Focusing from a Field-Free Region to a Detector: Enhanced Signal for Explosives and Drug Detection with Mass Spectrometry.

Elizabeth H Denis, Shannon E Schrader, Garret L Hart

|Jun 25, 2025
Assessing the Impact of Measurement Precision on Metabolite Identification Probability in Multidimensional Mass Spectrometry-Based, Reference-Free Metabolomics.

Christine H Chang, Sydney C Schwartz, Alexandria K Im

|Jun 22, 2024
Elucidating the Gas-Phase Behavior of Nitazene Analog Protomers Using Structures for Lossless Ion Manipulations Ion Mobility-Orbitrap Mass Spectrometry.

Adam L Hollerbach, Vivian S Lin, Yehia M Ibrahim

|Mar 12, 2024
Identification of Unique Fragmentation Patterns of Fentanyl Analog Protomers Using Structures for Lossless Ion Manipulations Ion Mobility-Orbitrap Mass Spectrometry.

Adam L Hollerbach, Yehia M Ibrahim, Vivian S Lin

|Jun 12, 2023
A Dual-Gated Structures for Lossless Ion Manipulations-Ion Mobility Orbitrap Mass Spectrometry Platform for Combined Ultra-High-Resolution Molecular Analysis.

Adam L Hollerbach, Yehia M Ibrahim, Vanessa Meras

|Sep 28, 2022
Vapor detection and vapor pressure measurements of fentanyl and fentanyl hydrochloride salt at ambient temperatures.

Robert G Ewing, Megan K Nims, Kelsey A Morrison

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Frequent Collaborators

4 joint publications

Elizabeth H Denis

4 joint publications

Thomas O Metz

3 joint publications

Adam L Hollerbach

3 joint publications

Yehia M Ibrahim