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Chemistry

D-Index
43
Citations
6300
World Ranking
17278
National Ranking
4237

Overview

Charles N. McEwen is affiliated with Saint Joseph's University in the United States. Their research primarily focuses on the field of Chemistry, with a concentration on Spectroscopy, Computational Mechanics, Biomedical Engineering, Analytical Chemistry, and Food Science.

The main topics in their work revolve around Mass Spectrometry Techniques and Applications, Analytical Chemistry and Chromatography, Ion-surface interactions and analysis, Analytical chemistry methods development, Microfluidic and Capillary Electrophoresis Applications, and Advanced Chemical Sensor Technologies, including Pesticide Residue Analysis and Safety.

Frequent publication venues where their work appears include:

  • Journal of the American Society for Mass Spectrometry
  • Rapid Communications in Mass Spectrometry
  • European Journal of Mass Spectrometry
  • Journal of Mass Spectrometry
  • Molecular & Cellular Proteomics

Notable recent papers authored or coauthored by Charles N. McEwen are:

  • "An overview of biological applications and fundamentals of new inlet and vacuum ionization technologies," 2020, Rapid Communications in Mass Spectrometry
  • "Sublimation Driven Ionization for Use in Mass Spectrometry: Mechanistic Implications," 2020, Journal of the American Society for Mass Spectrometry
  • "A Combination MAI and MALDI Vacuum Source Operational from Atmospheric Pressure for Fast, Robust, and Sensitive Analyses," 2020, Journal of the American Society for Mass Spectrometry
  • "New Processes for Ionizing Nonvolatile Compounds in Mass Spectrometry: The Road of Discovery to Current State-of-the-Art," 2024, Journal of the American Society for Mass Spectrometry
  • "New Ionization Processes for Ionizing Nonvolatile Compounds in Mass Spectrometry: The Road of Discovery to Current State-of-the-Art," 2020, Journal of the American Society for Mass Spectrometry

Frequent coauthors collaborating with Charles N. McEwen include:

  • Sarah Trimpin
  • Khoa Hoang
  • M. Pophristić
  • Ellen D. Inutan
  • I-Chung Lu

Their contributions to mass spectrometry research involve the development and mechanistic exploration of ionization techniques, particularly focusing on sublimation driven ionization and methods for analyzing nonvolatile compounds. The work spans both fundamental studies and applications intended to enhance analytical sensitivity and robustness in mass spectrometry methodologies.

Best Publications

  • Analysis of solids, liquids, and biological tissues using solids probe introduction at atmospheric pressure on commercial LC/MS instruments.

    Charles N. Mcewen;Richard G. Mckay;Barbara S. Larsen

  • C60 as a radical sponge

    Charles N. McEwen;Richard G. McKay;Barbara S. Larsen

  • Production of perfluoroalkylated nanospheres from buckminsterfullerene.

    Paul J. Fagan;Paul J. Krusic;C. N. McEwen;J. Lazar

  • Comparison of Most Probable Peak Values As Measured for Polymer Distributions by MALDI Mass Spectrometry and by Size Exclusion Chromatography

    Christian Jackson;Barbara Larsen;Charles McEwen

  • Solvent Assisted Inlet Ionization: An Ultrasensitive New Liquid Introduction Ionization Method for Mass Spectrometry

    Vincent S. Pagnotti;Nicholas D. Chubatyi;Charles N. McEwen

  • The limitations of MALDI-TOF mass spectrometry in the analysis of wide polydisperse polymers

    H. C. Michelle Byrd† and;Charles N. McEwen

  • Laserspray Ionization, a New Atmospheric Pressure MALDI Method for Producing Highly Charged Gas-phase Ions of Peptides and Proteins Directly from Solid Solutions

    Sarah Trimpin;Ellen D. Inutan;Thushani N. Herath;Charles N. McEwen

  • A mechanism for ionization of nonvolatile compounds in mass spectrometry: considerations from MALDI and inlet ionization.

    Sarah Trimpin;Beixi Wang;Ellen D. Inutan;Jing Li

  • Mass spectrometry of synthetic polymers.

    Patricia M. Peacock;Charles N. Mcewen

  • Determination of active hydrogen in organic compounds by chemical ionization mass spectrometry

    Donald F. Hunt;Charles N. McEwen;R. A. Upham

  • A combination atmospheric pressure LC/MS:GC/MS ion source: advantages of dual AP-LC/MS:GC/MS instrumentation.

    Charles N. McEwen;Richard G. McKay

  • Positive and negative chemical ionization mass spectrometry using a Townsend discharge ion source

    Donald F. Hunt;Charles N. McEwen;T. Michael. Harvey

  • New Paradigm in Ionization: Multiply Charged Ion Formation from a Solid Matrix without a Laser or Voltage

    Charles N. McEwen;Vincent S. Pagnotti;Ellen D. Inutan;Sarah Trimpin

  • Instrumental effects in the analysis of polymers of wide polydispersity by MALDI mass spectrometry

    Charles N. McEwen;Christian Jackson;Barbara S. Larsen

  • Matrix-assisted laser desorption/ionization mass spectrometry method for selectively producing either singly or multiply charged molecular ions.

    Sarah Trimpin;Ellen D. Inutan;Thushani N. Herath;Charles N. McEwen

  • Ionization mechanisms related to negative Ion APPI, APCI, and DART

    Charles N. McEwen;Barbara S. Larsen

  • Mass Spectrometry of Biological Materials

    Barbara Seliger Larsen;Charles N. McEwen

  • Analysis of the Inhibition of the Ergosterol Pathway in Fungi Using the Atmospheric Solids Analysis Probe (ASAP) Method

    Charles McEwen;Steven Gutteridge

  • The fundamentals of applying electrospray ionization mass spectrometry to low mass poly(methyl methacrylate) polymers.

    Charles N. McEwen;William J. Simonsick;Barbara S. Larsen;Kaichi Ute

  • CaCl3- or Ca2Cl4 Complexing Cyclic Aromatic Amide. Template Effect on Cyclization

    Young H. Kim;and Joseph Calabrese;Charles McEwen

  • Chapter 2 – Interpretation of Mass Spectra

    Fulton G. Kitson;Barbara S. Larsen;Charles N. McEwen

Frequent Co-Authors

Sarah Trimpin
Sarah Trimpin Wayne State University
Ken Mackie
Ken Mackie Indiana University
Murray V. Johnston
Murray V. Johnston University of Delaware
Paul J. Fagan
Paul J. Fagan DuPont (United States)
Norman Herron
Norman Herron DuPont (United States)
Miriam L. Greenberg
Miriam L. Greenberg Wayne State University
Donald F. Hunt
Donald F. Hunt University of Virginia
Vladimir Shulaev
Vladimir Shulaev University of North Texas
J. Michael Walker
J. Michael Walker Indiana University

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