Mitsuo Takayama, Masaaki Ubukata, Kenji Nagatomo, Jun Tamura, Azusa Kubota. Quantum Chemical Analysis of Molecular and Fragment Ions Produced by Field Ionization of Methyl Stearate. J. Am. Soc. Mass Spectrom. 2023. 34. 2731-2738
Mitsuo Takayama. Transient conformations leading to peptide fragment ion [c + 2H]+ via intramolecular hydrogen bonding using MALDI in-source decay mass spectrometry of serine-, threonine-, and/or cysteine-containing peptides. Molecules. 2023. 28. 7700. 1-14
Shiho Fujishima, Kanako Sekimoto, Mitsuo Takayama. Identification of Negative Ion at m/z 20 Produced by Atmospheric Pressure Corona Discharge Ionization under Ambient Air. Mass Spectrometry (Tokyo). 2023
Yuka Fujito, Yoshihiro Izumi, Kohta Nakatani, Masatomo Takahashi, Yoshihiro Hayakawa, Mitsuo Takayama, Takeshi Bamba. Understanding the Mechanism of CO2-Assisted Electrospray Ionization for Parameter Optimization in Supercritical Fluid Chromatography Mass Spectrometry. Analytica Chimica Acta. 2023. 1246. 340863
M.Takayama, M.Ubukata, K.Ohshimo, K.Nagatomo, F.Misaizu. Identification of complementary McLafferty rearrangement ions at m/z 222 and 224 of methylstearate using high-resolution electron ionization time-of-flight mass spectrometer. International Journal of Mass Spectrometry. 2023. 484. 116978
M. Takayama, M. Ubukata. Complete classification, separation, and accurate analysis of fragment ions produced by electron ionization of methyl stearate using a high-performance mass spectrometer GC/MS JMS-T2000GC and quantum chemical calculations. JEOL NEWS. 2024. 59. 1. 24-30
Asakawa Daiki, Sakakura Motoshi, Takayama Mitsuo. Matrix Effect on In-Source Decay Products of Peptides in Matrix-Assisted Laser Desorption/Ionization (Mass Spectrometry). Journal of the Mass Spectrometry Society of Japan = 質量分析. 2012. 60. 4. 1-9