● English ● Japanese Last Update : December 14, 2020

Department of Chemistry, Graduate School of Science, Osaka University
1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan

Email: msuwa[-at-]chem.sci.osaka-u.ac.jp
(Please replace "[-at-]" to "@" when you send me a mail.)

TEL: +81-6-6850-5412
FAX: +81-6-6850-5414
Background
Born
September 14, 1977 Osaka (Japan)
Education
1996-2000
School of Science, Osaka University
2000-2002
Master thesis, Graduate School of Science, Osaka University
2002-2005
Ph D. thesis, Graduate School of Science, Osaka University
Subject:"Magnetophoretic Study of Magnetic Susceptibility of Single Micro-Particles in Liquid"
Job
2004-2005
JSPS Research fellow
2005-Present
Assistant Professor, Graduate Scool of Science, Osaka University


Research Interest
  • Analytical technique for small particles (nm-μm)
  • Magnetic force on feeble magnetism
  • Magneto-optical effects under pulsed magnetic field

Publication List

  1. SUWA, Masayori; HIGUCHI, Maika; TAKATSU, Misato; OKAMOTO, Yukihiro; TSUKAHARA, Satoshi
    Probing Orientational Dynamics of Magnetic Nanoparticles in Opaque Samples Using Near-Infrared Magnetic Linear Birefringence. Anal. Chem., in press. DOI: 10.1021/acs.analchem.4c06781

  2. SUWA, Masayori; Kawahigashi, Shintaro; Emura, Hitoshi; TSUKAHARA, Satoshi
    Recognition of rotational modes of magnetic nanoparticles by frequency dependence of magnetic linear dichroism under AC field. J. Appl. Phys., 134, 233902 (2023). DOI: 10.1063/5.0183380

  3. SUWA, Masayori; UOTANI, Akira; TOJO, Yuki; Onodera Reisho; TSUKAHARA, Satoshi
    Orientational Dynamics of Magnetic Iron Oxide Nanoparticles in a Hydrogel: Observation by Magnetic Linear Dichroism under Oscillating Field. Langmuir, 38, 9708-9719 (2022) DOI: 10.1021/acs.langmuir.2c01593

  4. SUWA, Masayori; UOTANI, Akira; TSUKAHARA, Satoshi
    Influence of viscosity on linear dichroism change in magnetic nanoparticles under damped oscillating magnetic field. Bunseki Kagaku, 69, 679-684 (2020).     [Japanese]

  5. SUWA, Masayori; UOTANI, Akira; TSUKAHARA, Satoshi
    Magnetic and viscous modes for physical rotation of magnetic nanoparticles in liquid under oscillating magnetic field. Appl. Phys. Lett., 116, 262403 (2020). DOI: 10.1063/5.0010095

  6. SUWA, Masayori; UOTANI, Akira; TSUKAHARA, Satoshi
    Alignment and small oscillation of superparamagnetic iron oxide nanoparticle in liquid under alternating magnetic field. J. Appl. Phys., 125, 123901 (2019). DOI: 10.1063/1.5079899

  7. YESIL, Fatma; SUWA, Masayori; TSUKAHARA, Satoshi
    Anchoring energy measurements at the aqueous phase/liquid crystal interface with cationic surfactants using magnetic Freedericksz transition. Langmuir, 34, 81-87 (2018). DOI: 10.1021/acs.langmuir.7b03005

  8. FUNAKI, Masuro; SUWA, Masayori; WATARAI, Hitoshi
    Electromagnetophoretic micro-convection around a droplet in capillary. Anal. Sci., 33, 1013-1019 (2017). DOI: 10.2116/analsci.33.1013

  9. SUWA, Masayori; YESIL, Fatma; ARIMA, Akihide; NAKATSUKA, Yukari; TSUKAHARA, Satoshi
    Magnetic orientation of 4-cyano-4'-pentylbiphenyl liquid crystal at its interface with aqueous solution. Bunseki Kagaku, 65, 203-209 (2016). DOI: 10.2116/bunsekikagaku.65.203     [Japanese]

  10. SUWA, Masayori; TSUKAHARA, Satoshi; WATARAI, Hitoshi
    Faraday Rotation Imaging Microscope with Microsecond Pulse Magnet. J. Magn. Magn. Mater., 393, 562-568 (2015). DOI:10.1016/j.jmmm.2015.06.031

  11. OYAMADA, Keiko; TERAO, Ken; SUWA, Masayori; KITAMURA, Shinichi; SATO, Takahiro
    Lyotropic Liquid Crystallinity of Amylose Tris(alkylcarbamates): Cholesteric and Smectic Phase Formation in Different Solvents. Macromolecules, 46, 4589-4595 (2013). DOI: 10.1021/ma400787c

  12. SUWA, Masayori; NAKANO, Yusuke; TSUKAHARA, Satoshi; WATARAI, Hitoshi
    Faraday Rotation Dispersion Microscopy Imaging of Diamagnetic and Chiral Liquids with Pulsed Magnetic Field. Anal. Chem., 85, 5176-5183 (2013). DOI: 10.1021/ac400541k

  13. SUWA, Masayori; MIYAMOTO, Kayoko; WATARAI, Hitoshi
    Faraday Rotation Dispersion Measurements of Diamagnetic Organic Liquids and Simultaneous Determination of Natural Optical Rotatory Dispersion Using a Pulsed Magnetic Field Anal. Sci., 29(1), 113-119 (2013).

  14. MIYAMOTO, Kayoko; ISAI, Kento; SUWA, Masayori; WATARAI, Hitoshi
    Effective Transition Probability for Faraday Effect of Lanthanide(III) Ion Solutions. J. Am. Chem. Soc., 131(18), 6328-6329 (2009).

  15. SUWA, Masayori; WATARAI, Hitoshi
    Optical Extinction Change of Magnetic Nanoparticle Suspension under Pulsed Magnetic Field. J. Phys.: Conf. Ser., 156, 012025 (2009).

  16. ISAI, Kento; SUWA, Masayori; WATARAI, Hitoshi
    Pulsed Magnetic Field Faraday Imaging of Diamagnetic Liquid. Anal. Sci., 25, 1-3 (2009).

  17. ARASE, Mariko; SUWA, Masayori; WATARAI, Hitoshi
    Sensitive Light Scattering Detection - Magnetophoretic Acceleration Mass Analysis of Single Microparticles under Atmosphere. Anal. Bioanal. Chem., 391, 701-707 (2008).

  18. SUWA, Masayori; OSHINO, Yuichiro; WATARAI, Hitoshi; MORITA, Hiroshi; KASAI, Anzu; SUBRT, Jan
    Magnetic Susceptibility Measurement of Single Iron / Cobalt Carbonyl Microcrystal by Atmospheric Magnetophoresis. Sci. Technol. Adv. Mater., 9, 024215 (2008).
  19. SUWA, Masayori; WATARAI, Hitoshi
    Magnetophoretic Evaluation of Interfacial Adsorption of Dysprosium(III) on a Single Microdroplet. Anal. Sci., 24(1), 133-137 (2008).
  20. ISAI, Kento; SUWA, Masayori; WATARAI, Hitoshi
    Effects of Pulsed and Static Magnetic Fields on Surface Tension Measurement by Drop Volume Method. Bunseki Kagaku, 56(6), 505-510 (2007).     [Japanese]
  21. ARASE, Mariko; SUWA, Masayori; WATARAI, Hitoshi
    Magnetophoretic Velocity Modulation Mass Analysis of a Single Microparticle in Atmosphere. Anal. Chem., 78(18), 6660-6663(2006).
  22. GOTO, Takeyoshi; SUWA, Masayori; WATARAI, Hitoshi
    Raman Microprobe Spectrometer Installed in a Super-Conducting Magnet. Anal. Sci., 22(7), 1043-1046 (2006).
  23. SUWA, Masayori; WATARAI, Hitoshi
    Magnetophoretic Study of photo-induced spin transition of single crystalline particles of cobalt-iron Prussian bule analogues. Sci. Technol. Adv. Mater., 7, 373-379 (2006).
  24. WATANABE, Katsuya; SUWA, Masayori; WATARAI, Hitoshi
    New Principle of Magnetophoretic Velocity Mass Analysis. Anal. Sci., 20(11), 1483-1485 (2004).
  25. SUWA, Masayori; WATARAI, Hitoshi
    Magnetophoretic detection of photo-induced spin transition. Chem. Commun., 1656-1657 (2004).
  26. IIGUNI, Yoshinori; SUWA, Masayori; WATARAI, Hitoshi
    High-Magnetic-Field Electromagnetophoresis of Micro-Particles in Capillary Flow System. J. Chromatogr. A, 1032(1-2), 165-171 (2004).

  27. SUWA, Masayori; WATARAI, Hitoshi
    Magnetophoretic Velocity of Microorganic Droplets Adsorbed by Dysprosium(III) Laurate in Water. J. Chromatogr. A, 1013, 3-8 (2003).
  28. SUWA, Masayori; WATARAI, Hitoshi
    Magnetophoretic Velocimetry of Manganese(II) in a Single Microdroplet in a Flow System under a High Gradient Magnetic Field Generated with a Superconducting Magnet Anal. Chem., 74(19), 5027-5032 (2002).
  29. SUWA, Masayori; WATARAI, Hitoshi
    Magnetophoretic Velocimetry of Manganese(II) in a Single Emulsion Droplet at the Femtomole Level. Anal. Chem., 73, 5214-5219 (2001).
  30. SUWA, Masayori; TSUKAHARA, Satoshi; WATARAI, Hitoshi
    Application of magnetic and electromagnetic forces in micro-analytical systems. Lab Chip, 23, 1097-1127 (2023) DOI:10.1039/d2lc00702a.
  31. SUWA, Masayori; WATARAI, Hitoshi
    Magnetoanalysis of micro/nanoparticles:A review. Anal. Chim. Acta, 690, 137-147 (2011)
  32. SUWA, Masayori; WATARAI, Hitoshi
    Magnetic Susceptibility Measurement of Single Micro-Particle by Magnetophoretic Velocimetry. Bunseki Kagaku, 59, 895-902 (2010)     [Japanese]
  33. SUWA, Masayori; WATARAI, Hitoshi
    Magnetophoretic Measurements of Interfacial Magnetic Susceptibility of Micro-Organic Droplet. J. Ion Exchange, 21, 41-46 (2010)     [Japanese]
  34. WATARAI, Hitoshi; SUWA, Masayori; IIGUNI, Yoshinori
    Magnetophoresis and Electromagnetophoresis of Microparticles in Liquids. Anal. Bioanal. Chem., 387(7), 1693-1699 (2004).
  35. WATARAI, Hitoshi; MONJUSHIRO, Hideaki; TSUKAHARA, Satoshi; SUWA, Masayori; IIGUNI, Yoshinori
    Migration Analysis of Micro-Particles in Liquids Using Microscopically Designed External Fields. Anal. Sci., 20(3), 423-434 (2004).
  36. SUWA, Masayori; EGAMI, Shigeki; WATARAI, Hitoshi
    Faraday Rotation Measurement under Pulsed Magnetic Field. Bunseki, 2011(1), 21-26 (2011). [Japanese]