Ryuichi Okamoto

Profile Information

Affiliation: University of Hyogo

Degree: Ph.D in science(Mar, 2007, Keio University)

J-GLOBAL ID: 201701008627776120
researchmap Member ID: B000282831

Research Interests

Research Areas

Natural sciences / Bio-, chemical, and soft-matter physics /

Research History

Aug, 2022 - Present

University of Hyogo
Aug, 2017 - Jul, 2022

Lecturer, Research institute for interdisciplinary science, Okayama University

Education

Apr, 2004 - Mar, 2007

Graduate School of Science and Technology, Keio University
Apr, 2002 - Mar, 2004

Keio University
Apr, 1998 - Mar, 2002

Department of Applied Physics and Physico-Informatics, Faculty of Science and Technology, Keio University

Awards

Mar, 2017

2017 Young Scientist Award of Physical Society of Japan, Theoretical Finding of Novel Solvation Effects in Soft Matter, The Physical Society of Japan

Papers

Molecular mechanism of the common and opposing co-solvent effects of fluorinated alcohol and urea on a coiled coil protein

Noa Nakata, Ryuichi Okamoto, Tomonari Sumi, Kenichiro Koga, Takeshi Morita, Hiroshi Imamura

Protein Science, Aug, 2023 Peer-reviewed
Solvation free energies of alcohols in water: temperature and pressure dependences

Aoi Taira, Ryuichi Okamoto, Tomonari Sumi, Kenichiro Koga

Physical Chemistry Chemical Physics, 2023
Fluctuating hydrodynamics of dilute electrolyte solutions: systematic perturbation calculation of effective transport coefficients governing large-scale dynamics.

Ryuichi Okamoto

Journal of Statistical Mechanics: Theory and Experiment, 093203, Sep, 2022 Peer-reviewedLead authorCorresponding author
Osmotic second virial coefficients for hydrophobic interactions as a function of solute size

Hidefumi Naito, Ryuichi Okamoto, Tomonari Sumi, Kenichiro Koga

The Journal of Chemical Physics, 156(22) 221104-221104, Jun 14, 2022 Peer-reviewed
Theory of Gas Solubility and Hydrophobic Interaction in Aqueous Electrolyte Solutions

Ryuichi Okamoto, Kenichiro Koga

The Journal of Physical Chemistry B, 125(46) 12820-12831, Nov 25, 2021 Peer-reviewedLead authorCorresponding author
Ion Size Dependences of the Salting-Out Effect: Reversed Order of Sodium and Lithium Ions

Hiroyuki Katsuto, Ryuichi Okamoto, Tomonari Sumi, Kenichiro Koga

The Journal of Physical Chemistry B, 125(23) 6296-6305, Jun 17, 2021 Peer-reviewed
Theory of electrolytes including steric, attractive, and hydration interactions

Ryuichi Okamoto, Kenichiro Koga, Akira Onuki

The Journal of Chemical Physics, 153(7), Aug 21, 2020 Peer-reviewedLead authorCorresponding author
A three-sphere microswimmer in a structured fluid

Kento Yasuda, Ryuichi Okamoto, Shigeyuki Komura

EPL (Europhysics Letters), Aug 28, 2018 Peer-reviewed
Theory of nonionic hydrophobic solutes in mixture solvent: Solvent-mediated interaction and solute-induced phase separation

Ryuichi Okamoto, Akira Onuki

The Journal of Chemical Physics, Jul 7, 2018 Peer-reviewedLead authorCorresponding author
Dynamics of a bilayer membrane with membrane-solvent partial slip boundary conditions

Kento Yasuda, Ryuichi Okamoto, Shigeyuki Komura, Jean-Baptiste Fournier

Soft Materials, 16(3) 186-191, Jul 3, 2018 Peer-reviewed
Thermal and active fluctuations of a compressible bilayer vesicle

T V Sachin Krishnan, Kento Yasuda, Ryuichi Okamoto, Shigeyuki Komura

Journal of Physics: Condensed Matter, 30(17) 175101-175101, May 2, 2018 Peer-reviewed
Thermally Driven Elastic Micromachines

Yuto Hosaka, Kento Yasuda, Isamu Sou, Ryuichi Okamoto, Shigeyuki Komura

Journal of the Physical Society of Japan, 86(11) 113801-113801, Nov 15, 2017 Peer-reviewed
Coexistences of lamellar phases in ternary surfactant solutions

Isamu Sou, Ryuichi Okamoto, Shigeyuki Komura, Jean Wolff

Soft Materials, 15(4) 272-281, Oct 2, 2017 Peer-reviewed
Elastic Three-Sphere Microswimmer in a Viscous Fluid

Kento Yasuda, Yuto Hosaka, Mizuki Kuroda, Ryuichi Okamoto, Shigeyuki Komura

Journal of the Physical Society of Japan, 86(9) 093801-093801, Sep 15, 2017 Peer-reviewed
Dynamics of a bilayer membrane coupled to a two-dimensional cytoskeleton: Scale transfers of membrane deformations

Ryuichi Okamoto, Shigeyuki Komura, Jean-Baptiste Fournier

Physical Review E, 96(1), Jul 31, 2017 Peer-reviewedLead authorCorresponding author
Lateral diffusion induced by active proteins in a biomembrane

Yuto Hosaka, Kento Yasuda, Ryuichi Okamoto, Shigeyuki Komura

Physical Review E, 95(5), May 16, 2017 Peer-reviewed
Swimmer-Microrheology

Kento Yasuda, Ryuichi Okamoto, Shigeyuki Komura

Journal of the Physical Society of Japan, 86(4) 043801-043801, Apr 15, 2017 Peer-reviewed
Anomalous diffusion in viscoelastic media with active force dipoles

Kento Yasuda, Ryuichi Okamoto, Shigeyuki Komura

Physical Review E, 95(3), Mar 27, 2017 Peer-reviewed
Localization and diffusion of tracer particles in viscoelastic media with active force dipoles

Kento Yasuda, Ryuichi Okamoto, Shigeyuki Komura, Alexander S. Mikhailov

EPL (Europhysics Letters), 117(3) 38001-38001, Feb 1, 2017 Peer-reviewed
Relaxation dynamics of a compressible bilayer vesicle containing highly viscous fluid

T. V. Sachin Krishnan, Ryuichi Okamoto, Shigeyuki Komura

Physical Review E, 94(6), Dec 30, 2016 Peer-reviewed

Misc.

2成分流体におけるストークスの抵抗法則

好村滋行, 岡本隆一

パリティ, 30(7) 42-45, Jul, 2015

Professional Memberships

THE PHYSICAL SOCIETY OF JAPAN

Research Projects

Understanding solvent-mediated forces with diverse responses to ions, co-solvents, and temperature

Grants-in-Aid for Scientific Research Fund for the Promotion of Joint International Research (Fostering Joint International Research (B)), Fund for the Promotion of Joint International Research (Fostering Joint International Research (B)), Japan Society for the Promotion of Science, Oct, 2018 - Mar, 2023
Theoretical study of steric effects in electrolyte solutions: Toward thorough understanding of Hofmester effect

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2018 - Mar, 2021

Okamoto Ryuichi
Theoretical study on the universal behaviors in cell rheology

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2015 - Mar, 2018

Komura Shigeyuki
Study of selective solvation, ionization, and chemical reaction

Grants-in-Aid for Scientific Research Grant-in-Aid for Challenging Exploratory Research, Grant-in-Aid for Challenging Exploratory Research, Japan Society for the Promotion of Science, Apr, 2013 - Mar, 2016

Onuki Akira, Okamoto Ryuichi, Takae Kyouhei

Profile Information

Research Interests

Research Areas

Research History

Education

Awards

Papers

Misc.

Professional Memberships

Research Projects

Menu

Coauthors