Latest news

  • Our paper regarding in vivo 3D T2* mapping got published in a European journal. This work was performed in a collaboration with Radiation Biology Laboratory at Graduate School of Veterinary Medicine, Hokkaido University, Novosibirsk Institute of Organic Chemistry in Russia, and West Virginia University in the US.

    H. Kubota, D. A. Komarov, H. Yasui, S. Matsumoto, O. Inanami, I. A. Kirilyuk, V. V. Khramtsov, and H. Hirata, Feasibility of in vivo three-dimensional T2* mapping using dicarboxy-PROXYL and CW-EPR-based single-point imaging, Magnetic Resonance Materials in Physics, Biology and Medicine (2017). DOI: 10.1007/s10334-016-0606-8, published online 6 January 2017.

    http://dx.doi.org/10.1007/s10334-016-0606-8

  • Two grants have been approved by Japan Society for the Promotion of Science (JSPS) for Prof. Hirata and Assoc. Prof. Matsumoto. (1 April 2016)
  • New secretaly, Ms. Hiroko Sato, has joind our laboratory. Welcome Hto our grouop, Hiroko! (1 April 2016)
  • Our secretay, Ms. Ayumi Hishiyama, left our group. She spent almost five years in our group, and thank you very much for her wonderful works! (11 March 2015)
  • PhD student of Seoul National University, Korea, Mr. Park Jong-In, has joined our group for his internshop (6 weeks). He will study EPR-based tooth dosimetry and microwave engineering. (18 January 2015)
  • Dr. Denis Komarov has joinf our group as a Postdoctral Fellow. (12 January 2015)
  • Dr. Shingo Matsumoto has joiund our group as an Associate Professor. (16 February 2015)
  • Our graduate students in the master degree program finished their thesis defense. Congraturations! (13 February 2015)
  • Ayano Enomoto did her Ph.D. thesis defense. Congratulations! (31 October 2014)
  • Two papers by Wataru Takahashi, a ggraduate student, have been accepted for publication in Journal of Magnetic Resonance and Applied Magnetic Resonance. (6 August 2014)
  • Yusuke Miyake, a postdoctral fellow, moves to Kyoto Institute of Technology as an assistant professor. Congraturations Yusuke! (31 July 2014)
  • Ayano Enomoto, a PhD student in Magnetic Resonance Engineering Laboratory, has been awarded ISMRM Magna Cum Laude Merit Award in Joint Annual meeting of International Society for Magnetic Resonance in Medicine (ISMRM) and Europian Sociery for Magnetic Resonance in Medicine and Biology (ESMRMB) 2014 heled in Milan, Italy. Congraturations! (12 May 2014)
  • A grant approcation regarding EPR imaging of pH and oxygenation in tumor has been approved by the Japan Society for the Promotion of Science (JSPS). This research program will be funded next four years (Principal Investigator: Prof. H. Hirata, grant period: April 2014 to March 2018). (2 April 2014)
  • The name of our group has been changed to "Magnetic Resonance Engineering Laboratory". (1 April 2014)
  • Four graduate students and an undergrad student finished their education programs. Congraturations! (25 March 2014)
  • Our paper regarding the development/optimization of a 1.1-GHz surface coil resonator for EPR tooth dosimetry has been accepted for publication in IEEE Transactions on Biomedical Engineering. This work was jointly performed with the EPR center at Geisel School of Medicine at Dartmouth, New Hampshire, USA. (5 March 2014)

    H. Sugawara, H. Hirata, S. Petryakov, P. Lesniewski, B. B. Williams, A. B. Flood, and H. M. Swartz, Design and evaluation of a 1.1-GHz surface coil resonator for electron paramagnetic resonance-based tooth dosimetry, IEEE Transactions on Biomedical Engineering, DOI: 10.1109/TBME.2014.2310217 (2014), published online 6 March 2014.

  • The study of organic synthesis for 15N-labeled TEEPONE radicals has been accepted for publication in Tetrahedron Letters. This accomplishment is a part of the NEXT program, and performed by the joint-research team of Prof. Arimoto group at Tohoku University, Prof. Fujii group at Sapporo Med University, and Hokkaido University.

    X. Wang, M. Emoto, A. Sugimoto, Y. Miyake, K. Itto, M. Amasaka, S. Xu, H. Hirata, H. Fujii, and H. Arimoto, Synthesis of 15N-labeled 4-oxo-2,2,6,6-tetraethylpiperidine nitroxide for EPR brain imaging, Tetrahedron Letters, Vol. 55, No. 13, pp. 2146-2149 (2014), published online 25 February 2014.

  • We visited Niseko, a local ski resort in Hokkaido as a lab trip. (17 February 2014)
  • Mr. Hirotaka (Hiro) Sugawara, microwave engineer, has left our group for the high-tech IT sector. We appreciate Hiro's excellent accomplishments of resonator developments during last two years. (14 February 2014)
  • Dr. Anna Pawlak has left our group for Poland. (31 January 2012)
  • Graduate student Ayano Enomot0 has been awarded for JSPS Research Fellowship for three years in the Ph.D. Program. (4 January 2012)
  • Mr. Hirotada Sugawara has joind our group as a microwave engineer. He will be involved in EPR tooth dosimetry project (1 December 2011)
  • Lab members presented their works in the annual meeting of the Society of Electron Spin Science and Technology at Sendai. (18 November 2011)
  • In our group seminar, we had a guest speakers, Profs. Harold M. Swartz and Ann B. Flood, the EPR Center at The Geisel School of Medicine at Dartmouth, NH, USA. They talked about EPR tooth dosimetry. (2 November 2011)
  • A paper regarding image co-registration has been accepted in Concepts in Magnetic Resonance Part B. (5 October 2011).

    M. Ohfuchi, J. Goodwin, H. Fujii, and H. Hirata, Three-dimensional EPR/NMR image co-registration using a MATLAB-based software, Concepts in Magnetic Resonance Part B Magnetic Resonance Engineering, Vol. 39B, No. 4, pp. 180-190 (2011).

  • Joint publication with Prof. Fuji's group at Sapporo Medical University, Dr. Yamaga at Kyushu University, and Dr. Sato-Akaba at Osaka University has been accepted in Free Radical Research. (26 August 2011)

    M. Emoto, F. Mito, T. Yamasaki, K. Yamada, H. Sato-Akaba, H. Hirata, and H. Fujii, A novel ascorbic acid-resistive nitroxide in fat emulsion is an effective brain imaging probe for in vivo EPR imaging of mouse, Free Radical Research, Vol. 45, No. 11&12, pp. 1325-1332 (2011).

  • In our group seminar, we had a guest speaker, Dr. Ken-ichiro Matsumoto, National Institute of Radiological Science, Chiba, Japan. (4 July 2011)
  • Graduate Student, Ayano Enomoto, has been selected to a young exchange researcher in JSPS Core-to-Core Program in Kyushu University. She will spend a month at National Cancer Institute/National Institutes of Health, Bethesda, MD, USA. (30 June 2011)
  • Graduate student, Shunichi Koda, attended ISMRM meeting at Montreal, Canada, and to present our latest results of pH mapping. Prof. Hirata was also attended ISMRM meeting. (10 May 2011)
  • Ms. Ayumi Hishiyama has joined out group as a part-time secretary. (25 April 2011)
  • The commencement ceremony took place. Congratulations to the graduate students and the senior undergraduate students in our group. (24 March 2011)
  • We had a wonderful two-day lab trip to Lake Toya. (21 February 2011)
  • Senior students in undergraduate and 2nd-year graduate students in the master degree program presented their works to the faculty members in the department. (15 February 2010)
  • Prof. Hirata's proposal got approved in the funding program for next generation world-leading researchers, Japan Society for the Promotion of Science. His research project focuses on molecular imaging based on electron paramagnetic resonance of spin labeled chiral molecules. (14 February 2011)
  • Our paper regarding simultaneous imaging method of isotopic nitroxyl radicals got published in Chemical Communications, the leading journal of the Royal Society of Chemistry. (28 January 2011)

    A. Pawlak, R. Ito, H. Fujii, and H. Hirata, Simultaneous molecular imaging based on electron paramagnetic resonance of 14N- and 15N-labelled nitroxyl radicals, Chemical Communications, DOI:10.1039/C0CC03581E (2011), published online 27 January 2011.

  • Our paper of EPR surface coil array has been published online in "Article in Press" of Journal of Magnetic Resonance. (27 January 2011)

    A. Enomoto and H. Hirata, Sequential CW-EPR image acquisition with 760-MHz surface coil array, Journal of Magnetic Resonance, doi: 10.1016/j.jmr.2011.01.021 (2011), published online 26 January 2011.

  • Our paper regarding EPR surface coil array has been accepted for publication in Journal of Magnetic Resonance. Congratulations Ayano! (20 January 2011)
  • Our paper regarding simultaneous imaging method of isotopic nitroxyl radicals has been accepted for pulication in Chemical Communications, the leading journal of Royal Society of Chemistry. Congratulations Anna and Ryohei! (11 January 2011)
  • Graduate student Tadatsugu Haga received the young investigator award from JSPS Core-to-Core program (Headquarter: Inovation Center for Medical Redox Navigation, Kyushu University). (10 January 2011)
  • Dr. Kumi Kamada joined our group as a postdoctoral fellow supported by Global-COE Program. (18 October 2010)
  • Dr. Anna Pawlak and graduate student Masashi Ohfuchi presented their works in Asia-Pacific EPR/ESR Symposium, Jeju, Korea. (15 October 2010)
  • Our paper regarding mapping of redox status in a brain-disease mouse model has been published in Magnetic Resonance in Medicine online. (21 September 2010)

    • Mapping of redox status in a brain-disease mouse model by three-dimensional EPR imaging
    H. Fujii, H. Sato-Akaba, K. Kawanishi, and H. Hirata
    http://onlinelibrary.wiley.com/doi/10.1002/mrm.22598/abstract

  • Our paper entitled "Mapping of redox status in a brain-disease mouse model by three-dimensional EPR imaging" has been accepted for publication in Magnetic Resonance in Medicine. This was an accomplishment in the collaboration with Prof. Fujii in Sapporo Medical University. (7 July 2010)
  • We enjoyed laboratory BBQ party in a sunny day. We posted the photos of our BBQ party. (11 June 2010).
  • Graduate student Tadatsugu Haga has been selected for JSPS Core-to-Core program (Headquarter: Inovation Center for Medical Redox Navigation, Kyushu University). He will visit the EPR center at Dartmouth Medical School, Hanover, NH, USA, two months in Autumn. (9 June 2010)
  • Graduate student Ayano Enomoto presented her work regarding the surface coil array in EPR 2010 meeting held in Puerto Rico. Good job, Ayano! (10 May 2010)
  • Dr. Jonathan Goodwin has joined our group. He is involved in the research program of functional EPR imaging supported by JSPS. (1 April 2010)
  • The commencement ceremony took place. Congratulations to the graduate students and the senior undergraduate students in our group. (25 March 2010)
  • iCal service is started for booking the EPR machines in our laboratory. (23 February 2010)
  • We had a wonderful two-day trip to Kita Yuzawa Onsen. (21 February 2010)
  • Senior students did good jobs in their presentation in the department.The commencement will be held in March. (15 February 2010).
  • 2nd-year graduate students in the master degree program presented their works to the faculty members in the department. (10 February 2010)
  • Professor Hirata announced that Dr. Jonathan Goodwin will join our group as a postdoctoral fellow in April 2010. (4 January 2010)
  • Dr. Anna Pawlak has joined our group. She will be involved in the development of fast EPR imaging and its applications. (4 January 2009)
  • Laboratory seminar series (#5): Lecturers were Professor Osamu Inanami and Assistant Professor Hironobu Yaui of Graduate School of Veterinary Medicine, Hokkaido University.
  • Professor Hirata announced that Dr. Anna Pawlak, who is now a postdoctoral fellow in Prof. Tadeusz Sarna's group at Jagiellonian University in Krakow, Poland, will join our group as a postdoctoral fellow in January 2010. (21 October 2009)
  • Graduate student, Ms. Megumi Suzukawa has been awarded for Hokkaido University's stipend award that financially supports graduate students to attend international conferences. Congratulations! (28 September 2009)
  • Our paper got published in Analytical Chemistry. Analytical Chemistry is the most highly cited journal in the field of Analytical Chemistry. http://pubs.acs.org/doi/abs/10.1021/ac901169g (31 July 2009)
  • Our manuscript regarding fast CW-EPR imaging got accepted in Analytical Chemistry. This work was supported by JST SENTAN program. (17 July 2009)

    • H. Sato-Akaba, Y. Kuwahara, H. Fujii, and H. Hirata, Half-life mapping of nitroxyl radicals with three-dimensional electron paramagnetic resonance imaging at an interval of 3.6 seconds, Analytical Chemistry, in press (2009).

  • Laboratory seminar series (#4): Dr. Hiromasa Tanino, Akahikawa Medical School, delivered his talk regarding artificial hip joint. (18 June 2009).
  • Laboratory seminar series (#3): we had a guest speaker, Prof. Hirokazu Arimoto from Graduate School of Life Sciences, Tohoku University. (25 May 2009)
  • Laboratory seminar series (#2): we had a guest speaker, Dr. Kouichi Nakagawa from Fukushima Medical University. (21 May 2009)
  • The English version of this web site was updated. (16 May 2009)