SANO Masaki - Tokyo College
Deputy Director

SANO Masaki

Research interests Statistical Physics, Biophysics Website
01 Description of Research

His research interests include non-equilibrium dynamics and phase transition phenomena in fluids, liquid crystals, colloids, and other soft matter, as well as the collective motions of biomolecules and cells, with the goal of understanding complex natural and biological phenomena.

02 Short Biography

1977 Bs. Engineering, Tohoku University
1979 Ms. Electronic Engineering, Tohoku University
1979 Nippon Telephone & Telegram
1980 Ministry of Transportation of Japan
1981 Assistant Professor, Research Institute of Electrical Communication, Tohoku University(~July, 1990)
1986 PhD. Tohoku University
1987 Visiting Scientist, James Franck Institute, University of Chicago(~July, 1989)
1990  Associate Professor, Research Institute of Electrical Communication, Tohoku University
2000 Professor, Department of Physics, Graduate School of Science, The University of Tokyo(~March, 2019)
2014  Chairperson, Department of Physics, Graduate School of Science, The University of Tokyo(~March, 2016)
2016 Director, Universal Biology Institute, The University of Tokyo(~March 2018)
2019 Deputy Director, Tokyo College, The University of Tokyo

003 Publications and Other Research Activities

[Original Papers](Selected Publications)
F. Lancia, T. Yamamoto, A. Ryabchun, T. Yamaguchi, M. Sano & N. Katsonis, Reorientation behavior in the helical motility of light-responsive spiral droplets, Nature Comm. 10:5238 (2019).
T. Yamamoto and M. Sano, “Hydrodynamic rotlet dipole driven by spinning chiral liquid crystal droplets”, Phys. Rev. E, 99, 022704 (2019).
D. Nishiguchi, J. Iwasawa, H.-R. Jiang, and M. Sano, “Flagellar Dynamics of Chains of Active Janus Particles Fueled by an AC Electric Field”, New J. Phys. 20, 015002 (2018).
T. Yamamoto and M. Sano,” Chirality-Induced Helical Self-Propulsion of Cholesteric Liquid Crystal Droplets”, Soft Matter 13, 3328-3333 (2017).
K. Kawaguchi, R. Kageyama, and M. Sano, “Topological Defects Control Collective Dynamics in Neural Progenitor Cell Cultures”, Nature 545, 327 (2017).
T. Mano, J.-B. Delfau, J. Iwasawa, and M. Sano, “Optimal Run-and-Tumble Based Transportation of a Janus Particle with Active Steering”, Proc. Nat. Acad. Sci. US. 114 E2580-E2589 (2017).
D. Nishiguchi, K.H. Nagai, H. Chate, and M. Sano, “Long-Range Nematic Order and Anomalous Fluctuations in Suspensions of Swimming Filamentous Bacteria”, Phys. Rev. E 95, 020601 (2017).
M. Sano and K. Tamai, “A Universal Transition to Turbulence in Channel Flow”, Nature Physics 12, 249 (2016).
T. Ohta, M. Tarama, and M. Sano, “Simple Model of Cell Crawling”, Physica D 318 3-11 (2016).
H. Tanimoto and M. Sano, “A Simple Force-Motion Relation for Migrating Cells Revealed by Multipole Analysis of Traction Stress”, Biophys. J. 106, 16-25 (2014).
K.A. Takeuchi and M. Sano, “Universal Fluctuations of Growing Interfaces: Evidence in Turbulent Liquid Crystals”, Phys. Rev. Lett. 104, 230601 (2010).
T. Hiraiwa, M. Y. Matsuo, T. Ohkuma, T. Ohta, and M. Sano, “Dynamics of a Deformable Self-Propelled Domain”, EPL 91, 20001 (2010).
S. Toyabe, T. Sagawa, M. Ueda, E. Muneyuki, and M. Sano, “Experimental Demonstration of Information-to-Energy Conversion and Validation of the Generalized Jarzynski Equality”, Nature Physics 6, 988 – 992 (2010).
H.-R. Jiang, N. Yoshinaga, and M. Sano, “Active Motion of Janus Particle by Self-thermophoresis in a Defocused Laser Beam”, Phys. Rev. Lett. 105, 268302 (2010).
H.-R. Jiang, H. Wada, N. Yoshinaga, and M. Sano, “Manipulation of Colloids by Nonequilibrium Depletion Force in a Temperature Gradient”, Phys. Rev. Lett. 102, 208301 (2009).
K.A. Takeuchi, M. Kuroda, H. Chate, and M. Sano, “Experimental Realization of Directed Percolation Criticality in Turbulent Liquid Crystals”, Phys. Rev. E 80, 051116 (2009).
Y.T. Maeda, J. Inose, M. Y. Matsuo, S. Iwaya, and M. Sano, “Ordered Patterns of Cell Shape and Orientational Correlation during Spontaneous Cell Migratio”, PLoS ONE 3 (11), e3734 (2008).
K.A. Takeuchi, M. Kuroda, H. Chate, and M. Sano, “Directed Percolation Criticality in Turbulent Liquid Crystals”, Phys. Rev. Lett. 99, 234503 (2007).
Y. Murayama, Y. Sakamaki, and M. Sano, “Elastic Response of Single DNA Molecules Exhibits a Reentrant Collapsing Transition”, Phys. Rev. Lett. 90, 018102 (2003).
J. A. Glazier, T. Segawa, A. Naert, and M. Sano, “Evidence Against Ultrahard Thermal Turbulence at Very High Rayleigh Numbers”, Nature 398, 307-310 (1999).
A. Yuse and M. Sano, “Transition between Crack Patterns in Quenched Glass Plates”, Nature 362, 329-331 (1993).
M. Sano, X.Z. Wu, and A. Libchaber, “Turbulence in Helium Gas Free Convection”, Phys. Rev. A 40, 6421-6430 (1989).
M. Sano, S. Sato, and Y. Sawada, Global Spectral Characterization of Chaotic Dynamics, Prog. Theor. Phys., 76, 945-948 (1986).
M. Sano and Y. Sawada, “Measurement of Lyapunov Spectrum from a Chaotic Time Series”, Phys. Rev. Lett. 55, 1082-1085 (1985).

T. Horiguchi and M. Sano, Mathematical Information Physics (in Japanese), pp.1-230 (Koudansha Scientific, Tokyo, 2000).
M. Sano (co-author), Science on Fractals (in Japanese), pp. 1-258 (Asakura shoten, Tokyo,1987).

04 Honors and Awards

Ryutai Kagaku Kenkyu-sho (Fluid Science Research Prize) (1996).