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Triple quadrupole mass spectrometry comparative DNA adductomics of Hep G2 cells following exposure to safrole. Toxicol Lett 2019; 300:92-104. [DOI: 10.1016/j.toxlet.2018.10.023] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2018] [Revised: 10/12/2018] [Accepted: 10/22/2018] [Indexed: 12/27/2022]
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Yamamoto H, Ishigami H, Uchimura T. Online Monitoring of a Styrene Monomer and a Dimer in an Emulsion via Laser Ionization Time-of-Flight Mass Spectrometry. ANAL SCI 2018; 33:731-733. [PMID: 28603195 DOI: 10.2116/analsci.33.731] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Laser ionization time-of-flight mass spectrometry was applied to the online monitoring of a styrene monomer and dimer in an emulsion. During the measurement of a styrene monomer oil-in-water emulsion for this study, a styrene dimer, 1,3-diphenylpropane, was dropped into the emulsion. As a result, signal spikes from both analytes occurred simultaneously, which suggested that either the dimer had moved to the monomer droplets or that the monomer and dimer droplets had aggregated. We concluded that this method could be useful for the direct monitoring of monomers and oligomers in the early stages of emulsion polymerization.
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Affiliation(s)
- Hikaru Yamamoto
- Department of Materials Science and Engineering, Graduate School of Engineering, University of Fukui
| | - Hidaka Ishigami
- Department of Materials Science and Engineering, Graduate School of Engineering, University of Fukui
| | - Tomohiro Uchimura
- Department of Materials Science and Engineering, Graduate School of Engineering, University of Fukui
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Kruth C, Czech H, Sklorz M, Passig J, Ehlert S, Cappiello A, Zimmermann R. Direct Infusion Resonance-Enhanced Multiphoton Ionization Mass Spectrometry of Liquid Samples under Vacuum Conditions. Anal Chem 2017; 89:10917-10923. [DOI: 10.1021/acs.analchem.7b02633] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Claudia Kruth
- Joint
Mass Spectrometry Centre, Chair of Analytical Chemistry, Institute
of Chemistry, University of Rostock, 18059 Rostock, Germany
| | - Hendryk Czech
- Joint
Mass Spectrometry Centre, Chair of Analytical Chemistry, Institute
of Chemistry, University of Rostock, 18059 Rostock, Germany
| | - Martin Sklorz
- Joint
Mass Spectrometry Centre, Chair of Analytical Chemistry, Institute
of Chemistry, University of Rostock, 18059 Rostock, Germany
- Joint
Mass Spectrometry Centre, Cooperation Group “Comprehensive
Molecular Analytics” (CMA), Helmholtz Zentrum München−German Research Centre for Environmental Health, 85764 Neuherberg, Germany
| | - Johannes Passig
- Joint
Mass Spectrometry Centre, Chair of Analytical Chemistry, Institute
of Chemistry, University of Rostock, 18059 Rostock, Germany
- Joint
Mass Spectrometry Centre, Cooperation Group “Comprehensive
Molecular Analytics” (CMA), Helmholtz Zentrum München−German Research Centre for Environmental Health, 85764 Neuherberg, Germany
| | - Sven Ehlert
- Joint
Mass Spectrometry Centre, Chair of Analytical Chemistry, Institute
of Chemistry, University of Rostock, 18059 Rostock, Germany
- Photonion GmbH, Hagenower Strasse
73, 19061 Schwerin, Germany
| | - Achille Cappiello
- DiSPA,
LC-MS Laboratory, University of Urbino, Piazza Rinascimento 6, 61029 Urbino, Italy
| | - Ralf Zimmermann
- Joint
Mass Spectrometry Centre, Chair of Analytical Chemistry, Institute
of Chemistry, University of Rostock, 18059 Rostock, Germany
- Joint
Mass Spectrometry Centre, Cooperation Group “Comprehensive
Molecular Analytics” (CMA), Helmholtz Zentrum München−German Research Centre for Environmental Health, 85764 Neuherberg, Germany
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FUJII T, UCHIMURA T. Application of Laser Ionization Time-of-Flight Mass Spectrometry for the Direct Measurement of a Silane Coupling Agent in Slurries. ANAL SCI 2017; 33:395-397. [DOI: 10.2116/analsci.33.395] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Takaaki FUJII
- Department of Materials Science and Engineering, Graduate School of Engineering, University of Fukui
| | - Tomohiro UCHIMURA
- Department of Materials Science and Engineering, Graduate School of Engineering, University of Fukui
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