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発表論文

原著論文

1. Effect of organic anion with multiple hydrophobic sites on gelation and phase separation in aqueous methylcellulose solution: Beyond simple salting-in effect
   Motoki Shibata, Tsuyoshi Koga and Koji Nishida
   Polymer, 178 (2019) 121574.
2. Device for Simultaneous Measurements of Viscosity and Light Transmittance with Example of Application
   Motoki Shibata, Koji Nishida and Tsuyoshi Koga
   Journal of Fiber Science and Technology, 75 (2019) 58-62.
3. Effects of Added Physical Cross‐Linkers on Mechanical Properties of Polymer Networks
   Tsutomu Furuya, Keita Yamamoto and Tsuyoshi Koga
   Macromolecular Theory and Simulations, 28 (2019) 1800042.
4. Molecular simulation of structures and mechanical properties of nanocomposite networks consisting of disk-shaped particles and polymers
   Tsutomu Furuya and Tsuyoshi Koga
   Soft Matter, 41 (2018) 8293-8305.
5. Molecular simulation of structure formation and rheological properties of mixtures of telechelic and monofunctional associating polymer
   Tsutomu Furuya and Tsuyoshi Koga
   Journal of Polymer Science, Part B: Polymer Physics, 56 (2018) 1251-1264.
6. Theoretical study of inclusion complex formation of cyclodextrin and single polymer chain
   Tsutomu Furuya and Tsuyoshi Koga
   Polymer, 131 (2017) 193-201.
7. Physical gelation of supramolecular hydrogels cross-linked by metal-ligand interactions: Dynamic light scattering and microrheological studies
   Hiroto Ozaki, Tsutomu Indei, Tsuyoshi Koga and Tetsuharu Narita
   Polymer, 128 (2017) 363-372.
8. Theoretical Analysis of Critical Flowable Physical Gel Cross-Linked by Metal Ions and Polyacrylamide-Derivative Associating Polymers Containing Imidazole Groups
   Hiroto Ozaki, Tetsuharu Narita, Tsuyoshi Koga and Tsutomu Indei
   Polymers, 9 (2017) 256.
9. Network Formation and Mechanical Properties of Telechelic Associating Polymers with Fixed Junction Multiplicity
   Hiroto Ozaki and Tsuyoshi Koga,
   Macromolecular Theory and Simulations, 26 (2017) 1600076.
10. Statistical Thermodynamic Theory of Heat-Induced Gelation of Aqueous Methylated Polyrotaxane Solutions
    Hiroyuki Kojima and Tsuyoshi Koga,
    Macromolecules, 49 (2016) 7015-7024.
11. Theoretical Study of Network Formation and Mechanical Properties of Physical Gels with a Well-Defined Junction Structure
    Hiroto Ozaki and Tsuyoshi Koga,
    The Journal of Physical Chemistry B, 120 (2016) 7745-7753.
12. Shear-Induced Network Formation in Colloid/Polymer Mixtures: A Molecular Dynamics Study
    Tsuyoshi Koga, Chen Li
    Nihon Reoroji Gakkaishi, 42 (2014) 123-127.
13. New insights into the effects of molecular weight and end group on the temperature-induced phase transition of poly(N-isopropylacrylamide) in water
    XingPing Qiu, Tsuyoshi Koga, Fumihiko Tanaka and Françoise M. Winnik
    Science China Chemistry, 56 (2013) 56-64.
14. Rheological properties of physical gel formed by hydrophobically modified urethane ethoxylate (HEUR) associative polymers in methanol-water mixtures
    Isamu Kaneda, Tsuyoshi Koga, and Fumihiko Tanaka
    Rheologica Acta, 51 (2012) 89-96.
15. Hydration, phase separation and nonlinear rheology of temperature-sensitive water-soluble polymers
    Fumihiko Tanaka, Tsuyoshi Koga, Isamu Kaneda, and Francoise M. Winnik
    Journal of Physics : Condensed Matter, 23 (2011) 284105(1-7).
16. Preferential Adsorption and Co-nonsolvency of Thermoresponsive Polymers in Mixed Solvents of Water/Methanol
    Fumihiko Tanaka, Tsuyoshi Koga, Hiroyuki Kojima, Na Xue, and Francoise M. Winnik
    Macromolecules, 44 (2011) 2978-2989.
17. Hydration and phase separation of temperature-sensitive water-soluble polymers
    Fumihiko Tanaka, Tsuyoshi Koga, Hiroyuki Kojima and Francoise M. Winnik
    Chinese Journal of Polymer Science, 29 (2011) 13-21.
18. Exclusion of Impurity Particles during Grain Growth in Charged Colloidal Crystals
    Koki Yoshizawa, Tohro Okuzono, Tsuyoshi Koga, Tomohiro Taniji, and Junpei Yamanaka
    Langmuir, 27 (2011) 13420-13427.
19. Theoretical Predictions on Normal Stresses under Shear Flow in Transient Networks of Telechelic Associating Polymers
    Tsuyoshi Koga and Fumihiko Tanaka
    Macromolecules, 43 (2010) 3052-3060.
20. Theoretical Modelling of Hierarchically Associated Structures in Hydrophobically Modified PNIPAM Aqueous Solutions on the Basis of a Neutron Scattering Study
    Tsuyoshi Koga, Fumihiko Tanaka, Ryuhei Motokawa, Satoshi Koizumi, and Francoise M. Winnik
    Macromolecular Symposia, 291-292 (2010) 177-185.
21. Stress Buildup under Start-Up Shear Flows in Self-Assembled Transient Networks of Telechelic Associating Polymers
    Tsuyoshi Koga, Fumihiko Tanaka, Isamu Kaneda, and Francoise M. Winnik
    Langmuir, 25 (2009) 8626-8638.
22. Stress Growth in Transient Polymer Networks under Startup Shear Flow
    Tsuyoshi Koga, Fumihiko Tanaka, and Isamu Kaneda
    Progress in Colloid and Polymer Science, 136, (2009) 39-46.
23. Time-Dependent Flow Properties of Transient Hydrogels with Temporal Network Junctions
    Isamu Kaneda, Tsuyoshi Koga, and Fumihiko Tanaka
    Progress in Colloid and Polymer Science, 136, (2009) 31-38.
24. Competitive Hydrogen Bonds and Cononsolvency of poly(N-isopropylacrylamide)s in Mixed Solvents of Water/Methanol
    Fumihiko Tanaka, Tsuyoshi Koga, and Francoise M. Winnik
    Progress in Colloid and Polymer Science, 136, (2009) 1-8.
25. Competitive hydrogen-bonding in polymer solutions with mixed solvents
    Ravi Shankar, Rebecca R. Klossner, Juan T. Weaver, Tsuyoshi Koga, John H. van Zanten, Wendy E. Krause, Coray M. Colina, Fumihiko Tanaka, and Richard J. Spontak
    Soft Matter, 5, (2009) 304-307.
26. Temperature- and Tension-Induced Coil-Globule Transition of Poly(N-isopropylacrylamide) Chains in Water and Mixed Solvent of Water/Methanol
    Fumihiko Tanaka, Tsuyoshi Koga, Hiroyuki Kojima, and Francoise M. Winnik
    Macromolecules, 42 (2009) 1321-1330.
27. Theoretical Modeling of Associated Structures in Aqueous Solutions of Hydrophobically Modified Telechelic PNIPAM Based on Neutron Scattering Study
    Tsuyoshi Koga, Fumihiko Tanaka, Ryuhei Motokawa, Satoshi Koizumi, and Francoise M. Winnik
    Macromolecules, 41 (2008) 9413-9422.
28. Temperature-Responsive Polymers in Mixed Solvents: Competitive Hydrogen Bonds Cause Cononsolvency
    Fumihiko Tanaka, Tsuyoshi Koga, and Francoise M. Winnik
    Physical Review Letters, 101 (2008) 028302(4).
29. Nonaffine Transient Network Theory of Associating Polymer Solutions
    Fumihiko Tanaka and Tsuyoshi Koga
    Macromolecules, 39 (2006) 5913-5920.
30. Structure and dynamics of polymeric systems
    Tsuyoshi Koga
    Chemical Engineering Science, 61 (2006) 2161-2168.
31. Multicanonical Monte Carlo simulations on intramolecular micelle formation in copolymers
    Tsuyoshi Koga
    European Physical Journal E, 17 (2005) 381-388.
32. Elastic properties of polymer networks with sliding junctions
    Tsuyoshi Koga and Fumihiko Tanaka
    European Physical Journal E, 17 (2005) 225-229.
33. Molecular origin of shear thickening in transient polymer networks: A molecular dynamics study
    Tsuyoshi Koga and Fumihiko Tanaka
    European Physical Journal E, 17 (2005) 115-118.
34. Theory of Shear-Thickening in Transient Networks of Associating Polymers
    Tsutomu Indei, Tsuyoshi Koga and Fumihiko Tanaka
    Macromolecular Rapid Communications, 26 (2005) 701-706.
35. Jamming concepts in cold polymeric glasses
    Tsuyoshi Koga and Sam F. Edwards
    Journal of Chemical Physics, 120 (2004) 8283-8291.
36. Effects of Added Surfactants on Thermoreversible Gelation of Associating Polymer Solutions
    Tsutomu Furuya, Tsuyoshi Koga and Fumihiko Tanaka
    Journal of Polymer Science Part B: Polymer Physics, 42 (2004) 733-751.
37. “Sponge-like” Structures in Polymer Blends: Visualization, Physico-Mathematical Analysis, and Universality
    Takeji Hashimoto, Hiroshi Jinnai, Yukihiro Nishikawa, and Tsuyoshi Koga
    Macromolecular Symposia, 190 (2002) 9-22.
38. Micellization and Gelation of Associating Polymers
    Tsuyoshi Koga and Fumihiko Tanaka
    Transactions of the Materials Research Society of Japan, 26 (2001) 549-552.
39. Measurements of Interfacial Curvatures of Bicontinuous Structure from Three-dimensional Digital Images. 2. A Sectioning and Fitting Method
    Yukihiro Nishikawa, Tsuyoshi Koga, Takeji Hashimoto, and Hiroshi Jinnai
    Langmuir, 17 (2001) 3254-3265.
40. Theoretical and Computational Study of Thermoreversible Gelation
    Fumihiko Tanaka and Tsuyoshi Koga
    Bulletin of the Chemical Society of Japan, 74 (2001) 201-215.
41. Intramolecular and intermolecular association in thermoreversible gelation of hydrophobically modified associating polymers
    Fumihiko Tanaka and Tsuyoshi Koga
    Computational and Theoretical Polymer Science, 10 (2000) 259-267.
42. Transitions between Ordered and Disordered Phases and Their Coexistence in Dilute Ionic Colloidal Dispersions
    Hiroshi Yoshida, Junpei Yamanaka, Tadanori Koga, Tsuyoshi Koga, Norio Ise, and Takeji Hashimoto
    Langmuir, 15 (1999) 2684-2702.
43. Long-range density fluctuations in a symmetric diblock copolymer
    Tadanori Koga, Tsuyoshi Koga, Kohtaro Kimishima, and Takeji Hashimoto
    Physical Review E, 60 (1999) R3501-R3504.
44. Ultra-small-angle x-ray scattering studies on order-disorder transition in diblock copolymers
    Tadanori Koga, Tsuyoshi Koga, and Takeji Hashimoto
    Journal of Chemical Physics, 110 (1999) 11076-11086.
45. Coexistence of ordered and disordered phases in a nearly symmetric diblock copolymer near an order-disorder transition point
    Tadanori Koga, Tsuyoshi Koga, and Takeji Hashimoto
    Physical Review E, 60 (1999) R1154-R1157.
46. Interfacial curvature in phase-separating binary fluids: comparison between computer simulation and experiments
    Tsuyoshi Koga, Hiroshi Jinnai, and Takeji Hashimoto
    Physica A, 263 (1999) 369-377.
47. Rheological Response from Phase-Separated Domains as Studied by Shear Microscopy
    Katsuo Matsuzaka, Tsuyoshi Koga, and Takeji Hashimoto
    Physical Review Letters, 80 (1998) 5441-5444.
48. Sponge-like structures corresponding to the universal scaled structure factor in binary critical mixtures of polymers and simple liquids
    Takeji Hashimoto, Tsuyoshi Koga, Hiroshi Jinnai, and Yukihiro Nishikawa
    IL NUOVO CIMENTO D, 20 (1998) 1947-1970.
49. Measurements of Interfacial Curvatures of Bicontinuous Structure from Three-Dimensional Digital Images. 1. A Parallel Surface Method
    Yukihiro Nishikawa, Hiroshi Jinnai, Tsuyoshi Koga, Takeji Hashimoto, and Stephen T. Hyde
    Langmuir, 14 (1998) 1242-1249.
50. Sponge-like structures and their Gaussian curvatures in polymer mixtures and microemulsions
    Takeji Hashimoto, Hiroshi Jinnai, Yukihiro Nishikawa, Tsuyoshi Koga, and Mikihito Takenaka
    Progress in Colloid and Polymer Science, 106 (1997) 118-126.
51. Computer simulation of ordering processes in block copolymers
    Tsuyoshi Koga and Takeji Hashimoto
    Progress in Colloid and Polymer Science, 106 (1997) 131-135.
52. Curvature Determination of Spinodal Interface in a Condensed Matter System
    Hiroshi Jinnai, Tsuyoshi Koga, Yukihiro Nishikawa, Takeji Hashimoto and Stephen T. Hyde
    Physical Review Letters, 78 (1997) 2248-2251.
53. Effect of Oscillatory Shear Deformation on Demixing Processes of Polymer Blends
    Katsuo Matsuzaka, Hiroshi Jinnai, Tsuyoshi Koga, and Takeji Hashimoto
    Macromolecules, 30 (1997) 1146-1152.
54. Nucleation and growth of anisotropic grain in block copolymers near order-disorder transition
    Takeji Hashimoto, Naoki Sakamoto, and Tsuyoshi Koga
    Physical Review E, 54 (1996) 5832-5835.
55. Slow dynamics in condensed matter: spinodal decomposition and glass transition
    Kyozi Kawasaki and Tsuyoshi Koga
    Physica A, 224 (1996) 1-8.
56. Direct Observation of Three-Dimensional Bicontinuous Structure Developed via Spinodal Decomposition
    Hiroshi Jinnai, Yukihiro Nishikawa, Tsuyoshi Koga, and Takeji Hashimoto
    Macromolecules, 28 (1995) 4782-4784.
57. Relaxation and growth of concentration fluctuations in binary fluids and polymer blends
    Kyozi Kawasaki and Tsuyoshi Koga
    Physica A, 201 (1993) 115-128.
58. Late stage spinodal decomposition in binary fluids: comparison between computer simulation and experimental results
    Tsuyoshi Koga, Kyozi Kawasaki, Mikihito Takenaka, and Takeji Hashimoto
    Physica A, 198 (1993) 473-492.
59. Late stage dynamics of spinodal decomposition in binary fluid mixtures
    Tsuyoshi Koga and Kyozi Kawasaki
    Physica A, 196 (1993) 389-415.
60. Spinodal decomposition in binary fluids: Effects of hydrodynamic interactions
    Tsuyoshi Koga and Kyozi Kawasaki
    Physical Review A, 44 (1991) R817-R820.
61. Spinodal Decomposition in a Long-Range Exchange Model
    Hisao Hayakawa and Tsuyoshi Koga
    Journal of The Physical Society of Japan, 59 (1990) 3542-3552.
62. Two Topics in Dynamics of Ordering Processes in Complex Systems
    Kyozi Kawasaki and Tsuyoshi Koga
    Progress of Theoretical Physics Supplement, 99 (1989) 339-357.

国際会議プロシーディング

1. Thermoreversible gelation strongly coupled to polymer conformational transition
   Fumihiko Tanaka and Tsuyoshi Koga
   in Hydrocolloids, ed. K.Nishinari, (Elsevier, Amsterdam, 2000) 53-58.
2. Thermal-noise-induced First-order Phase Transition in Symmetric Block Copolymers: Behavior of Block Copolymers as a Complex Liquid
   Takeji Hashimoto, Tadanori Koga, Tsuyoshi Koga, and Naoki Sakamoto
   (World Scientific, Singapore, 1998) 291-301.
3. Dynamics of Phase Separation for Off-Critical Quenches
   Tsuyoshi Koga and Takeji Hashimoto
   in Statistical Physics - Experiments, Theories, and Computer Simulations, eds. M. Tokuyama and I. Oppenheim, (World Scientific, Singapore, 1998) 144.
4. Phase Transition in Block Copolymers: Effects of Random Thermal Noise
   Takeji Hashimoto, Tadanori Koga, and Tsuyoshi Koga
   in Statistical Physics - Experiments, Theories, and Computer Simulations, eds. M. Tokuyama and I. Oppenheim, (World Scientific, Singapore, 1998) 33-36.
5. Real-space Studies on Interface in a Phase-separated Polymer Blend by Laser Scanning Confocal Microscopy
   Hiroshi Jinnai, Yukihiro Nishikawa, Tsuyoshi Koga, and Takeji Hashimoto
   in Interfacial Aspects of Multicomponent Polymer Materials, eds. Lohse et al., (Plenum Press, New York, 1997) 53-61.
6. Spinodal Decomposition in Binary Fluid Mixtures
   Kyozi Kawasaki, Tsuyoshi Koga, Mikihito Takenaka, and Takeji Hashimoto
   in Proceedings of NATO Advanced Research Workshop on Spatio-Temporal Patterns in Nonequilibrium Complex Systems, eds. P.E. Cladis and P. Palffy-Muhoray, (Santa Fe, 1994) 1-10.
7. Spinodal Decomposition in Binary Fluid Mixture
   Kyozi Kawasaki and Tsuyoshi Koga
   in Statistical Physics and Thermodynamics of Nonlinear and Nonequilibrium Systems, eds. W. Ebeling and W. Muschik, (World Scientific, Singapore, 1993) 195-206.
8. New Results on Computer Simulation of Spinodal Decomposition in Binary Fluids
   Tsuyoshi Koga and Kyozi Kawasaki
   AIP Conference Proceedings, 256 (1992) 294-295.
9. Phase Separation Kinetics of Binary Systems: Effects of Hydrodynamic Interaction and Surfactants
   Kyozi Kawasaki, Tsuyoshi Koga, and Toshihiro Kawakatsu
   Materials Research Society Symposium Proceedings, 237 (1992) 87-96.
10. Computer Simulations of Spinodal Decomposition in Binary Fluids
    Tsuyoshi Koga and Kyozi Kawasaki
    in Pattern Formation in Complex Dissipative Systems, ed. S. Kai (World Scientific, Singapore, 1992) 73-77.
11. Dynamics of Ordering Processes in a Long-Range Exchange Model
    Hisao Hayakawa, Tsuyoshi Koga, and Kyozi Kawasaki
    Springer Proceedings in Physics, 52 (1990) 186-187.

総説・解説

1. 会合高分子ダイナミックスの理論・シミュレーション
   古賀毅，田中文彦
   高分子, 60 (2011) 186-189.
2. 会合高分子の構造形成とレオロジー
   古賀毅，田中文彦
   機能材料, 7 (2010) 25-31.
3. モンテカルロ・シミュレーションによる高分子鎖のコンホメーションと張力・伸長関係
   古賀毅，田中文彦
   京都大学工学部工業化学科創成化学コース，創成化学実験テキスト，297-323 (2012).
4. 組み替え網目理論による物理ゲルの特性解析
   古賀毅，田中文彦
   食品ハイドロコロイドセミナー2008テキスト，食品ハイドロコロイド研究会 (2008).
5. 高分子系における計算機シミュレーションの実際
   古賀毅
   第14回高分子基礎物性研究会講座テキスト，高分子学会，33-38 (2002)
6. 高分子のナノ構造制御
   古賀毅，君島康太郎，橋本竹治
   プラスチックス エージ エンサイクロペディア進歩偏’98 （プラスチックスエージ，1998)．

著書

1. 高分子のコンピュータシミュレーション
   古賀 毅
   実験化学講座12，計算化学，第5版, 丸善, 377-392 (2004).