| 2025.6.20 Our paper has been accepted for publication in the international academic journal, "Microchemical Journal". | C.H. Lin, K. Yoshinaga, T. Imasaka, T. Imasaka, Gas chromatography, Femtosecond Laser, Multiphoton Ionization, Mass Spectrometry,Benzodiazepine,Microchemical Journal, accepted (2025) | ||
| 2025.5.21 Our paper was published in the international academic journal "Journal of the American Society for Mass Spectrometry". The components contained in a dietary supplement made by fermenting rice with red yeast rice were measured. We found that some chemical species were present in higher concentrations than normal in the contaminated sample. | K. Yoshinaga, T. Imasaka, T. Imasaka*, “Analysis of fermented red-yeast rice products using femtosecond laser ionization mass spectrometry”,Journal of the American Society for Mass Spectrometry, Accepted (May , 2025). | ||
| 2024.12.23 We enjoyed a christmas party. |
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| 2024.10.14-17 The 13th International Conference on Photonics and Applications
(ICPA-13) ( Hanoi, Organized by the Institute of Physics of the Vietnam
Academy of Science and Technology (VAST), the Vietnam Physical Society,
etc.) . ・T. Imasaka, K. Yoshinaga, T. Imasaka, Artificial Intelligence for Characterizing Biofuels Based on Femtosecond Laser Ionization Mass Spectrometry, Invited lecture ・T. Imasaka, K. Yoshinaga, T. Imasaka, Determination of Psychoactive Substances by Femtosecond Laser Ionization Mass Spectrometry, Invited lecture |
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| 2024 .7.2 Our paper was published in the American Chemical Society's international academic journal "Analytical Chemistry." Various organic compounds in human breath were measured and components such as acetone and isoprene were identified. This indicates that this technology could be used not only for online analysis of diabetes, but also for diagnosing diseases such as COVID-19 and cancer. | K. Yoshinaga, T. Imasaka, T. Imasaka*, “Femtosecond Laser Ionization Mass Spectrometry for Online Analysis of Human Exhaled Breath”,Analytical Chemistry, vol. 96, pp. 11542-11548 (2024). Top10%ジャーナル論文 | ||
| 2024.6.5 Our paper was published in the American Chemical Society's international academic journal "Analytical Chemistry". It shows that artificial intelligence (AI) can predict biofuel characteristics such as cetane number and iodine number based on data measured by femtosecond laser ionization mass spectrometry. | T. Imasaka*, K. Yoshinaga, T. Imasaka, “Machine Learning for Characterizing Biofuels Based on Femtosecond Laser Ionization Mass Spectrometry”,Analytical Chemistry, vol. 96, pp. 10193-10199 (2024). Top10%journal article | ||
| April 6, 2024 We participated in volunteer clean-up activity at Nokonoshima Beach and then enjoyed a barbecue. |
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| 2024.2.7 A paper was published in the international academic journal "Analytica Chimica Acta" published by Elsevier. The first author is Yoshinaga, technical staff member and the second author is L. Wen who graduated from the doctoral program of Kyushu University. | K. Yoshinaga, L. Wen, T. Imasaka, T. Imasaka*, “Determination of Fatty Acid Methyl Esters by Two-color Two-photon Resonance-enhanced Femtosecond Ionization Mass Spectrometry”,Analytica Chimica Acta, vol. 1296, 342341 (2024).Top10% journal articles | ||
| 2023.10.9-12, Our results were presented at The 16th Asian Society for Analytical Science (Asianalysis XVI, Kuala Lumpur) | T. Imasaka, and T. Imasaka, “Forensic and Environmental Analysis Using Femtosecond Laser Ionization Mass Spectrometry”, The 16th Asian Conference on Analytical Sciences,ASIANALYSIS XVI | ||
| 2023.9.15 We made three presentations at the 72nd Annual Meeting of the Japan Society for Analytical Chemistry (Kumamoto) | |||
| 2023.6.9 Our paper was published in the international academic journal "Talanta" published by Elsevier. The first author is L. Wen who graduated from the doctoral program of Kyushu University. | L. Wen, K. Yoshinaga, T. Imasaka, T. Imasaka*, “Trace Analysis of Nitrated
Polycyclic Aromatic Hydrocarbons Based on Two-Color Femtosecond Laser Ionization
Mass Spectrometry”,Talanta, vol. 265, 124807 (2023). (Top10% journal article) | ||
| 2023.1.27Imasaka gave a lecture at a seminar held by Professor Kano's laboratory in the Department of Chemistry, Faculty of Science, Kyushu University. | |||
| 2022.11.21 The Kyushu U.-NTNU Joint Forum was held and we presented our research results (invited lecture). | Y. Nakano, K. Yoshinaga, T. Imasaka, T. Imasaka, Generation of an Ultrashort Optical Pulse in the Near-Infrared and Ultraviolet Regions and Mass Spectrometry Using an Ultrashort Optical Pulse as the Ionization Source,NTNU-Kyushu University Joint Forum | ||
| 2022.9.28-10.1 We presented our research results at the 12th International Conference on Photonics and Applications (ICPA-12) ( Con Dao, Organized by the Institute of Physics of the Vietnam Academy of Science and Technology (VAST) and the Vietnam Physical Society, etc.) . The left is a group photo and the right is Professor Hung, the organizer and President of the Vietnam Physical Society, and Totaro Imasaka and Tomoko Imasaka. |
T. Imasaka, T. Imasaka, Development of a Miniature Time-of-Flight Mass Analyzer for Combination with a Highly-Repetitive Femtosecond Laser Source and a Time-Correlated Single Ion Counting System, The 12th International Conference on Photonics and Applications (ICPA-12), Con Dao, Vietnam (Sep.30, 2022) Invited lecture | ||
| 2022.10 Our article has been published on "Analytical Chemistry" of the American Chemical Society. The first author is Dr. S. L. Madunil. Our work is also featured on the front cover !! |  | ||
| 2022.3.1 Our paper was published in Elsevier's international academic journal "Analytica Chimica Acta". Co-authors are Professor N.V.Hao of the Vietnam Academy of Science and Technology (VAST) and a technical staff member Yoshinaga. | Katsunori Yoshinaga a, Nguyen V. Hao , Totaro Imasaka, Tomoko Imasaka*,
Miniature time-of-flight mass analyzer for use in combination with a compact
highly-repetitive femtosecond laser ionization source,Analytica Chimica Acta, 1203, 339673, 2024 |
2022.6 A Doctoral Student, Ms. Lu Wen was selected for Japan Society for Analytical Chemistry Kyushu Analytical Chemistry Award for Young Researchersty. Congratulations!
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2021.10.16-17 Our members made four presentation, including a Keynote lecture and anInvited lecture, at the Asinan Conference on Analytical Science 2021(ASIANALYSIS XV), which the organaizer is Prof. Kung-Chuen Lin from National Taiwan Univreisty.
2021. 10 A Doctoral Student, Ms. Lu Wen was accepted for the scholorship named "Support for Pioneering Research Initiated by the Next Generation(SPRING) " for her achievement, which only excellent students can receive.
2021.5 We made a presentation on CLEO 2021（International Conference on Lasers and Electro-Optics) spnsored by The
Optical Society (OSA), American Physical Society (APS), IEEEPhotonics Society.
2021.3 T. Ju, K. Yoshinaga, T. Imasaka, H. Nakamura,and T. Imasaka made
a presentation on the Pittcon 2021.
2021.1 T. Imasaka, S.L.Madunil, L. Wen, K.Yoshinaga, T. Imasaka made an
Invited Lecture on The 41st Annual Meeting of the Laser Society of Japan.
2020.9 Doctoral students, S.L.Madunil and L. Wen, and a technical staff,
K. Yoshinaga made presentations on The 69th Annual Meeting of The Japan Society for Analytical Chesmitry.
2020.7 A Doctoral Student, Ms. Lu Wen was awarded "the Graduate School Research Scholarship of Kyushu University", which only excellent students can receive, for her achievement.
2020.7 Our article has been published on "Journal of the American Society for Mass Spectrometry"of the American Society for Mass Spectrometry. The first author is Mr.
T.D. Phan from Viet Nam. Our work is featured on the front cover !!
2020.5 Our article has been published on "Analytical Chemistry" of American Chemical Society. The first author is a graduate, Dr. Nakano! Our work is featured on the front cover !!
2020.2.7 Our article has been published on "Analyst" of The Royal Society of Chemistry. The first author is our doctrate student, Mr. S. L. Madunil! Our work is featured on the front cover !!
2020.1.7 Prof. Dr. Renato Zenobi from ETH-Zurich visited our laboratory by Progress 100 project.
2019. Our proposal to the Grant of Progress 100 project for Kyushu University, Invitation program for top global researchers, has been approved!
Reperesentative: Tomoko Imasaka
Project: International Academic and Educational Exchanges with TOP 4 Universities
for Scientific Measurement Technology -National Taiwan University, National
University of Singapore, Technische Universität München, ETH Zurich-
Grant amount: ca. $90,000 a year, two-years project
2019.9.5 Ms. Wen Lu passed the examination for Doctoral Course and she
will come to our laboratory since October. Congratulation!!
2019. 7.4 The 16th Annual Conference of the Taiwan Society for Mass Spectrometry.
Tomoko Imasaka and Totaro Imasaka were invited to the conference.
・T. Imasaka, T. Imasaka, Laser Ionization Mass Spectrometry -Basic Principles
and Applications-. (Plenary Lecture)
・T, Imasaka, M. L. Siddihalu, T. Imasaka, Spectroscopic Properties of “Novichok”
Theoretically Calculated for Gas Chromatography/Femtosecond Ionization
Mass Spectrometry. (Invited Lecture)
2019.5.28 The 2019 National Taiwan Normal University (NTNU)-Kyushu Univeristy Joint
Forum on Facilitating Interdisciplinary Research and Education
・T. Imasaka, T. Imasaka, Femtosecond Ionization Mass Spectrometry for Application
to Forensic Science. (Invited Talk)
・T. Imasaka, L. M. Siddihalu, T. Imasaka, Study on Photoionization Process
in Mass Spectrometry Based on Quantum Chemical Calculation. (Iinvited Talk)
2019.5.19 The79th Analytical Chemistry Conferenceheld by Japan Society of Analytical Chemistry. Doctoral course student,
Mr. Siddihalu Lakshitha Madunil made the oral presentation!
・M. L. Siddihalu, T. Imasaka, T. Imasaka, Gas chromatography/mass spectrometry
of highly-toxic organochlorine pesticides using an ultraviolet femtosecond
laser as an ionization source
2019.1.10 The 49th Winter Colloquium on the Physics of Quantum Electronics, Snowbird, U.S.
・T. P. Dinh, ・D. Vu, H. Nakamura, A. Li, T. Imasaka, T. Imasaka, Generation
of a Vacuum-Ultraviolet Femtosecond Pulse via Four-Wave Raman Mixing and
its Application to Mass Spectrometry.(Invited Speaker)
・T. Imasaka, T. Imasaka, How can we detect “Novichok”?
・M. L. Siddihalu, T. Imasaka, and T. Imasaka, An Ultrashort Ultraviolet
Optical Pulse for Ionization of Pesticides in Multiphoton Ionization Mass
Spectrometry
2018.10.22 An international symposium, “Kyushu University and National Taiwan Normal
University for International Collaboration” Symposium: Symposium on Education and Research for International Collaboration between
Kyushu University and National Taiwan Normal University (Inamori Hall,
Kyushu University), which was presided by Tomoko Imasaka, and sponsered by Progress100, KyushuUniversity.
The participants from National Taiwan Normal University are 33 researchers
including President Chen Chih Wu and Executive Vice President Ying, Dean
Chen. And the participants from Kyushu University are 29 researchers including
President Kubo,Vice President Watanabe, Dean Hisaeda. During the symposium,
Signing Ceremony for the University-wide Agreement between Kyushu University
and National Taiwan Normal University was also held.
At the international symposium, researchers from Faculty of Science, Faculty
of Engineering, Faculty of Education, Institute for Materials Chemistry
and Engineering, Institute of Mathematics for Industry, Faculty of Design
of Kyushu University attended and made the presentations concerning with
various fields such as science, engineering,education and so on.
The Signing Ceremony for the University-wide Agreement between Kyushu University
and National Taiwan Normal University is introduced in detail on the official
website of Taiwan Normal University as well as Kyushu University
（http://en.ntnu.edu.tw/news-show.php?id=12390）.）