Masaaki Ubukata

Akishima, 1968558, Japan

Last Updated: 09/26/2026

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Found 8 publications

Atmospheric Pressure Corona Discharge Ionization of n-Heptane (I): Formation of the Molecular Ion M+• and Dehydrogenated Ions [M - 2H]+• and [M - nH]+ (n = 1, 3, 5).

Atmospheric Pressure Corona Discharge Ionization of n-Heptane (I): Formation of the Molecular Ion M+• and Dehydrogenated Ions [M - 2H]+• and [M - nH]+ (n = 1, 3, 5).

Journal: Mass spectrometry (Tokyo, Japan)

Published: March 24, 2026

Comprehensive quantum chemical and mass spectrometric analysis of the McLafferty rearrangement of methyl valerate.

Comprehensive quantum chemical and mass spectrometric analysis of the McLafferty rearrangement of methyl valerate.

Journal: Physical chemistry chemical physics : PCCP

Published: December 05, 2024

Characterization of Ultraviolet-Degraded Polyethylene Terephthalate Film Using a Complementary Approach: Reactive Pyrolysis-Gas Chromatography-Mass Spectrometry and Matrix-Assisted Laser Desorption/Ionization Mass Spectrometry.

Characterization of Ultraviolet-Degraded Polyethylene Terephthalate Film Using a Complementary Approach: Reactive Pyrolysis-Gas Chromatography-Mass Spectrometry and Matrix-Assisted Laser Desorption/Ionization Mass Spectrometry.

Journal: Mass spectrometry (Tokyo, Japan)

Published: November 20, 2024

Quantum Chemical Analysis of Molecular and Fragment Ions Produced by Field Ionization of Methyl Stearate.

Quantum Chemical Analysis of Molecular and Fragment Ions Produced by Field Ionization of Methyl Stearate.

Journal: Journal of the American Society for Mass Spectrometry

Published: October 30, 2023

Construction of a Mass Spectrum Library Containing Predicted Electron Ionization Mass Spectra Prepared Using a Machine Learning Model and the Development of an Efficient Search Method.

Construction of a Mass Spectrum Library Containing Predicted Electron Ionization Mass Spectra Prepared Using a Machine Learning Model and the Development of an Efficient Search Method.

Journal: Mass spectrometry (Tokyo, Japan)

Published: September 22, 2022

Integrated data analysis making use of the total information from gas chromatography and high-resolution time-of-flight mass spectrometry to identify qualitative differences between two whisky samples.

Integrated data analysis making use of the total information from gas chromatography and high-resolution time-of-flight mass spectrometry to identify qualitative differences between two whisky samples.

Journal: Rapid communications in mass spectrometry : RCM

Published: October 12, 2021

Integrated qualitative analysis of polymer sample by pyrolysis-gas chromatography combined with high-resolution mass spectrometry: Using accurate mass measurement results from both electron ionization and soft ionization.

Integrated qualitative analysis of polymer sample by pyrolysis-gas chromatography combined with high-resolution mass spectrometry: Using accurate mass measurement results from both electron ionization and soft ionization.

Journal: Rapid communications in mass spectrometry : RCM

Published: March 13, 2020

High-energy collision-induced dissociation by MALDI TOF/TOF causes charge-remote fragmentation of steroid sulfates.

High-energy collision-induced dissociation by MALDI TOF/TOF causes charge-remote fragmentation of steroid sulfates.

Journal: Journal of the American Society for Mass Spectrometry

Published: January 20, 2014

Showing 1-8 of 8

Last Updated: 09/26/2026