![profile photo](https://www.c.s.osakafu-u.ac.jp/opu_chem/wp-content/uploads/2014/11/photo_iwamoto2.png)
![Keywords](https://www.c.s.osakafu-u.ac.jp/opu_chem/wp-content/themes/opu_chem/img/staff/keyword.png)
Physical Chemistry, Gas phase ion chemistry, Ion mobility, Mass spectrometry
![Employment History](https://www.c.s.osakafu-u.ac.jp/opu_chem/wp-content/themes/opu_chem/img/staff/history.png)
1997 Assistant Professor, Osaka Prefecture University
![Research Summary](https://www.c.s.osakafu-u.ac.jp/opu_chem/wp-content/themes/opu_chem/img/staff/summary.png)
The rate constant of the low-temperature reaction is the important information for the formation of organic aerosols of atmosphere. Rate constants of ion-molecule reactions are measuring using low-temperature ion mobility/mass spectrometer.
![Selected Publications](https://www.c.s.osakafu-u.ac.jp/opu_chem/wp-content/themes/opu_chem/img/staff/publication.png)
- Development of an ejection method from a linear ion trap using plate electrodes inserted between rod electrodes, H.Nagao, H.Kanou, K.Iwamoto, M.Toyoda, J. Mass. Spectrom. Soc. of Japan, 59, (2011),13-17.
- Development of an ion trap/multi-turn time-of-flight mass spectrometer with potential-lift, K. Iwamoto, H Nagao and M. Toyoda, Eur. J. Mass Spectrom., 15 (2009), 249-260.