64. Shota Yamazaki, Mahoko Harada, Yuya Watanabe, Rongjian Lang, Takashi Kato, Osamu Haba, Kazuki Fukushima, and Jiro Kumaki, Langmuir, 2023, 39, 5486-5494. 10.1021/acs.langmuir.3c00199. Crystallization
of Star-Shaped Poly(ʟ-lactide)s with Arm Chains Aligned in the Same Direction
in Two-Dimensional Crystals on a Water Surface
63. Kouki Koike, Jiro Kumaki, Langmuir 2022, 38, 13707-13719. doi.org/10.1021/acs.langmuir.2c01788. Chain Movements at the Topmost Surface of Poly(methyl methacrylate) and Polystyrene Films Directly Evaluated by In Situ High-Temperature Atomic Force Microscopy
62. Fumiki Honma, Jiro Kumaki, Polym. J. 2022, 54, 687-696. Solubilization
of Poly(styrene)(PS)-b-Poly(methyl methacrylate)(PMMA)-b-PS in Poly(n-nonyl
acrylate) and PMMA Monolayers as Isolated Chains with Both PS Blocks Forming
Separated Single-Block Particles
61. Jin Ohkawa, Jiro Kumaki, Polym. J. 2022, 54, 281-292. Chain Movements
of a Molecularly Flat PMMA Substrate Surface Prepared by Thermal Imprinting
with Mica and Isolated PMMA Chains Deposited on the PMMA Substrate Observed
by AFM around the Bulk Tg
60. Akihiro Ohmatsuzawa, Moriya Kikuchi, Seigou Kawaguchi, Jiro Kumaki,
Langmuir 2021, 37, 7556-7564. Molecular Combing of Various Poly(n-alkyl
acrylate) Chains on Mica by the Dipping Method
59. Ryota Umetsu, Jiro Kumaki, Polym. J. 2021, 53, 1111-1121.Thermal Stabilities
of a Molecularly Stepped PMMA Substrate Prepared by Thermal Nanoimprinting
and Isolated PMMA Chains Deposited on It Evaluated by High-Temperature
Atomic Force Microscopy
58. Shunya Ito; Yoko Seto; Jiro Kumaki; Masaru Nakagawa, Chem. Lett. 2021,
50, 1403-1406.Macromolecular Chain Structures of Atactic Poly(methyl methacrylate)
Visualized on Hydrophilized Graphene Surfaces by Atomic Force Microscopy
57. Kazuma Hamaguchi, Rino Ichikawa, Satoshi Kajiyama, Shotaro Torii, Yusuke
Hayashi, Jiro Kumaki, Hiroyuki Katayama, Takashi Kato, ACS Appl. Mater.
Interfaces 2021, 13, 20598-20605. Gemini Thermotropic Smectic Liquid Crystals
for Two-Dimensional Nanostructured Water Treatment Membranes
56. Yasuhiro Watanabe, Hayato Ichinohe, Jiro Kumaki, Langmuir 2020, 36,12327-12335.In
Situ AFM Observation of the Movements of Isolated Isotactic Poly(methyl
methacrylate) Chains in a Precursor Film of an Oligo(methyl methacrylate)
Droplet Spreading on Mica.
55. Yuki Ono, Jiro Kumaki, Mcromol. Chem. Phys. 2021, 222 ,2000372.In Situ
AFM Observation of Folded-Chain Crystallization of a Low-Molecular-Weight
Isotactic Poly(methyl methacrylate) in a Langmuir Monolayer at the Molecular
Level.
54. Yuki Sasahara, Yuya Miyake, Jiro Kumaki, Langmuir 2020, 36,7494-7504.Preparation
of a Si(111) Atomically Flat Substrate via Wet Etching and Evaluation as
an AFM Substrate for Observations of Isolated Chains, Crystals, and Crystallization
of Isotactic Poly(methyl methacrylate) at the Molecular Level.
53. Kenta Iwashima, Takuya Yamamoto, Yasuyuki Tezuka, Jiro Kumaki, Langmuir
2020, 36,6216-6221. Self-Assembly of Linear and Cyclic Polylactide Stereoblock
Copolymers with a Parallel and Antiparallel Chain Arrangement Distinguishing
Their Directions on a Water Surface.
52. Kenji Watanabe, Jiro Kumaki, Polym. J. 2020, 52, 601-603.Extended-Chain
Crystallization and Stereocomplex Formation of Polylactides in a Langmuir
Monolayer.
51. Yoshitaka Miyasaka, Keigo Murakami, Koji Ito, Jiro Kumaki, Koki Makabe,
Kuniyuki Hatori, Cytoskeleton, 2019, 76, 477-490. Condensed Desmin and
Actin Cytoskeletal Communication in Lipid Droplets
50. Ryota Umetsu, Jiro Kumaki,Marcromolecules 2019, 52, 6555-6565. Fabrication
of a Polymer Molecularly Flat Substrate by Thermal Nanoimprinting and AFM
Observation of Polymer Chains Deposited on It.
49. Atsushi Narumi, Masatsugu Yamada, Yamato Unno, Jiro Kumaki, Wolfgang
Binder,Kazushi Enomoto, Moriya Kikuchi, Seigou Kawaguchi, ACS Marcro Letters
2019, 8, 634-638. Evaluation of Ring Expansion-Controlled Radical Polymerization
System by AFM Observation.
48. Ryo Fujita, Kenshiro Frudate, Jiro Kumaki, Polymer 2019, 168, 21-28.
Atomic Force Microscopy of Single Polymer Chains on a Substrate at Temperatures
above the Bulk Glass Transition Temperatures.
47. Yuki Ono, Jiro Kumaki, Macromolecules 2018, 51, 7629-7636. In Situ
Real-Time Observation of Polymer Folded-Chain Crystallization by Atomic
Force Microscopy at the Molecular Level.
46. Chisato Shimanuki, Yuuma Matsuta, Ryo Fujita, Jiro Kumaki, ACS Omega,
2018, 3, 4, 3983-3990. Molecular Combing of a Flexible Polymer Chain by
Simple Spin-Casting.
45. Atsushi Watanabe, Jiro Kumaki, J. Colloid Interface Sci. 2017, 486,
316-324. Morphology Control Through Hierarchical Phase Separation in Langmuir
Monolayers of Poly(methyl methacrylate)-b-Poly(n-butyl acrylate).
44. Jiro Kumaki, Polym. J. 2016, 48, 3-14. Observation of Polymer Chain
Structures in Two-Dimensional Films by Atomic Force Microscopy.
43. Takahiro Anzai, Mariko Kawauchi, Takehiro Kawauchi, Jiro Kumaki, J.
Phys. Chem. B, 2015, 119, 338-347. Crystallization Behavior of Single Isotactic
Poly(methyl methacrylate) Chains Visualized by Atomic Force Microscopy.
42. Yue Wang, Takeshi Sakamoto, Yasuhito Koyama, Yuma Takanashi, Jiro Kumaki,
Jiaxi Cui, Xinhua Wan, Tamaki Nakano, Polym. Chem. 2014, 5, 718-721. Photo-induced
Helix-Helix Transition of a Polystyrene Derivative
41. Go Sato, Shotaro Nishitsuji, and Jiro Kumaki, J. Phys. Chem. B, 2013,
117, 9067−9072. Two-Dimensional Phase Separation of a Poly(methyl methacrylate)/
Poly(L‑lactide) Mixed Langmuir Monolayer via a Spinodal. Decomposition
Mechanism
40. Yuma Takanashi, Jiro Kumaki, J. Phys. Chem. B, 2013, 117, 5594-5605.
Significant Melting Point Depression of Two-Dimensional Folded-Chain Crystals
of Isotactic Poly(methyl methacrylate)s Observed by High-Resolution In-Situ
Atomic Force Microscopy.
39. Kouki Sugihara, Jiro Kumaki, J. Phys. Chem. B, 2012, 116(22), 6561-6568.
Visualization of Two-Dimensional Single Chain Conformations Solubilized
in a Miscible Polymer Blend Monolayer by Atomic Force Microscopy
38. Eiji Yashima, Sousuke Ohsawa, Shin-ichiro Sakurai, Kanji Nagai, Katsuhiro
Maeda, Jiro Kumaki, Polymer J., accepted. Amplification of macromolecular
helicity of dynamic helical poly(phenylacetylene)s bearing nonracemic alanine
pendants in dilute solution, liquid crystal, and two-dimensional crystal
37. Sousuke Ohsawa, Shin-ichiro Sakurai, Kanji Nagai, Motonori Banno, Katsuhiro
Maeda, Jiro Kumaki, Eiji Yashima, J. Am. Chem. Soc., 2011, 133, 109-114.
Hierarchical Amplification of Macromolecular Helicity of Dynamic Helical
Poly(phenylacetylene)s Composed of Chiral and Achiral Phenylacetylenes
in Dilute Solution, Liquid Crystal, and Two-Dimensional Crystal
36. Yuhtaro Sasaki, Naoyuki Aiba, Hiroshi Hashimoto, Jiro Kumaki, Macromolecules,
2010, 43, 9077-9086. Reversible Hierarchical Phase Separation of a Poly(methyl
methacrylate) and Poly(n-nonyl acrylate) Blend in a Langmuir Monolayer
35. Takehiro Kawauchi, Atsushi Kitaura, Mariko Kawauchi, Tsutomu Takeichi,
Jiro Kumaki, Hiroki Iida, Eiji Yashima, J. Am. Chem. Soc., 2010, 132, 12191-12193.
Separation of C70 over C60 and Selective Extraction and Resolution of Higher
Fullerenes by Syndiotactic Helical Poly(methyl methacrylate)
34. Naoyuki Aiba, Yuhtaro Sasaki, Jiro Kumaki, Langmuir, 2010, 26, 12703-12708.
Strong Compression Rate Dependence of Phase Separation and Stereocomplexation
between Isotactic and Syndiotactic Poly(methyl methacrylate)s in a Langmuir
Monolayer Observed by Atomic Force Microscopy
33. Jiro Kumaki, Takashi Kajitani, Kanji Nagai, Kento Okoshi, Eiji Yashima,
J. Am. Chem. Soc., 2010, 132, 5604-5606. Highlights in Nature Asia Materials,
June 7, 2010. Visualization of Polymer Chain Conformations in Amorphous
Polyisocyanide Langmuir-Blodgett Films by Atomic Force Microscopy
32. Jiro Kumaki, Shin-ichiro Sakurai, Eiji Yashima, Chem. Soc. Rev. 2009,
38, 737-746. High-Resolution Atomic Force Microscopy of Synthetic Helical
Polymers.
31. Takehiro Kawauchi, Atsushi Kitaura, Jiro Kumaki, Hiroshi Kusanagi,
Eiji Yashima, J. Am. Chem. Soc., 2008, 36, 11889-11891. Helix-Sense-Controlled
Synthesis of Optical Active Poly(methyl methacrylate) Stereocomplexes
30. Takeshi Maeda, Yoshio Furusho, Shin-ichiro Sakurai, Jiro Kumaki, Kento
Okoshi, Eiji Yashima, J. Am. Chem. Soc., 2008, 130, 7938-7945. Double-Stranded
Helical Polymers Consisting of Complementary Homopolymers
29. Jiro Kumaki, Takehiro Kawauchi, Koichi Ute, Tatsuki Kitayama, Eiji
Yashima, J. Am. Chem. Soc., 2008, 130, 6373-6380. Molecular Weight Recognition
in the Multiple-Stranded Helix of a Synthetic Polymer without Specific
Monomer-Monomer Interaction
28. Jiro Kumaki, Takehiro Kawauchi, Eiji Yashima,Macromol. Rapid Commun.,
2008、29、406-411. Peculiar "Reptational" Movements of Single Synthetic
Polymer Chains on Substrate Observed by Atomic Force Microscopy
27. Hisanari Onouchi, Kento Okoshi, Takashi Kajitani, Shin-ichiro Sakurai,
Kanji Nagai, Jiro Kumaki, Kiyotaka Onitsuka, Eiji Yashima, J. Am. Chem.
Soc., 2008, 130, 229-236. Two- and Three-Dimensional Smectic Ordering of
Single-Handed Helical Polymers
26. Takehiro Kawauchi, Jiro Kumaki, Atsushi Kitaura, Kento Okoshi, Hiroshi
Kusanagi, Keita Kobayashi, Toshiki Sugai, Hisanori Shinohara, Eiji Yashima,
Angew. Chem., Int. Ed., 2008, 47, 515-519. Encapsulation of Fullerenes
in a Helical PMMA Cavity Leading to a Robust Processable Complex with a
Macromolecular Helicity Memory
25. Shin-ichiro Sakurai, Sousuke Ohsawa, Kanji Nagai, Kento Okoshi, Jiro
Kumaki, Eiji Yashima, Angew. Chem., Int. Ed. 2007, 46, 7605-7608. Two-Dimensional
Helix-Bundle Formation of a Dynamic Helical Poly(phenylacetylene) with
Achiral Pendant Groups on Graphite
24. Jiro Kumaki, Takehiro Kawauchi, Kento Okoshi, Hiroshi Kusanagi, Eiji
Yashima, Angew. Chem., Int. Ed. 2007, 46, 5348-5351. Supramolecular Helical
Structure of the Stereocomplex Composed of Complementary Isotactic and
Syndiotactic Poly(methyl methacrylate)s as Revealed by Atomic Force Microscopy
23. Wei Zhang, Masashi Shiotsuki, Toshio Masuda, Jiro Kumaki, Eiji Yashima,
Macromolecules 2007, 40, 178-185. Synthesis of Polymer Brushes Composed
of Poly(phenylacetylene) Main Chain and Either Polystyrene or Poly(methyl
methacrylate) Side Chains
22. Stefan Matile, Naomi Sakai, Jiri Mareda, Jiro Kumaki, Eiji Yashima,
J. Receptors & Signal Transduction 2006, 26, 1-12. Sensing, Threading,
Orienting, and Cutting Polymers with Rigid-Rod Pores.
21. Kento Okoshi, Shin-ichiro Sakurai, Sousuke Ohsawa, Jiro Kumaki, Eiji
Yashima, Angew. Chem., Int. Ed. 2006, 45, 8173-8176. Control of Main-Chain
Stiffness of a Helical Poly(phenylacetylene) by Switching On and Off the
Intramolecular Hydrogen Bonding through Macromolecular Helicity Inversion
20. Takehiro Kawauchi, Jiro Kumaki, Eiji Yashima, J. Am. Chem. Soc. 2006,
128, 10560-10567. Nanosphere and Nanonetwork Formations of [60]Fullerene-End-Capped
Stereoregular Poly(methyl methacrylate)s through Stereocomplex Formation
Combined with Self-Assembly of the Fullerenes
19. Shin-ichiro Sakurai, Kento Okoshi, Jiro Kumaki, Eiji Yashima, J. Am.
Chem. Soc. 2006, 128, 5650-5651. Two-Dimensional Surface Chirality Control
by Solvent-Induced Helicity Inversion of a Helical Polyacetylene on Graphite
18. Takashi Kajitani, Kento Okoshi, Shin-ichiro Sakurai, Jiro Kumaki, Eiji
Yashima, J. Am. Chem. Soc. 2006, 128, 708-709, Helix-Sense Controlled Polymerization
of a Single Phenyl Isocyanide Enantiomer Leading to Diastereomeric Helical
Polyisocyanides with Opposite Helix-Sense and Cholesteric Liquid Crystals
with Opposite Twist-Sense
17. Jiro Kumaki, Takehiro Kawauchi, Eiji Yashima, Macromolecules 2006,
39, 1209-1215, "Reptational" Movements of Single Synthetic Polymer
Chains on Substrate Observed by In-situ Atomic Force Microscopy
16. Shin-ichiro Sakurai, Kento Okoshi, Jiro Kumaki, Eiji Yashima, Angew.
Chem. Int. Ed. 2006, 45, 1245-1248, Two-Dimensional Hierarchical Self-Assembly
of One-Handed Helical Polymers on Graphite
15. Takehiro Kawauchi, Jiro Kumaki, Kento Okoshi, Eiji Yashima, Macromolecules
2005, 38, 9155-9160, Stereocomplex Formation of Isotactic and Syndiotactic
Poly(methyl methacrylate)s in Ionic Liquids Leading to Thermoreversible
Ion Gels
14. Jiro Kumaki, Eiji Yashima, Guillaume Bollot, Jiri Mareda, Svetlana
Litvinchuk, Stefan Matile, Angew. Chem. Int. Ed. 2005, 44, 6154-6157, AFM
Snapshots of Synthetic Multifunctional Pores with Polyacetylene Blockers:
Pseudorotaxanes and Template Effects
13. Takehiro Kawauchi, Jiro Kumaki, Eiji Yashima, J. Am. Chem. Soc. 2005,
127, 9950-9951, Synthesis, Isolation via Self-Assembly, and Single-Molecule
Observation of a [60]Fullerene-End-Capped Isotactic Poly(methyl methacrylate)
12. Kento Okoshi, Koichi Sakajiri, Jiro Kumaki, Eiji Yashima, Macromolecules
2005, 38, 4061-64, Well-Defined Lyotropic Liquid Crystalline Properties
of Rigid-Rod Helical Polyacetylenes
11. Taro Nishinaka, Atsushi Takano, Yuko Doi, Makiko Hashimoto, Akira Nakamura,
Yushu Matsushita, Jiro Kumaki, Eiji Yashima, J. Am. Chem. Soc. 2005, 127,
8120-8125, Conductive Metal Nanowires Templated by the Nucleoprotein Filaments,
Complex of DNA and RecA Protein.
10. Jiro Kumaki, Takehiro Kawauchi, Eiji Yashima, J. Am. Chem. Soc. 2005,
127, 5788-5789, Two-Dimensional Folded Chain Crystals of a Synthetic Polymer
in a Langmuir-Blodgett Film
9. Jiro Kumaki, Takeji Hashimoto, J. Am. Chem. Soc. 2003, 125, 4907-4917,
Conformational Change in Isolated Single Synthetic Polymer Chain on Mica
Surface Observed by Atomic Force Microscopy
8. Jiro Kumaki, Takeji Hashimoto, J. Am. Chem. Soc. 1998, 120, 423-424,
Two-Dimensional Microphase Separation of a Block Copolymer in a Langmuir-Blodgett
Film
7. Jiro Kumaki, Takeji Hashimoto, Steve Granick, Phys. Rev. Lett. 1997,
77, 1990-1993, Temperature Gradients Induce Phase Separation in a Miscible
Polymer Solution
6. Jiro Kumaki, Yukihiro Nishikawa, Takeji Hashimoto, J. Am. Chem. Soc.
1996, 118, 3321-3322, Visualization of Single Chain Conformations of a
Synthetic Polymer with Atomic Force Microscopy
5. Jiro Kumaki, J. Polym. Sci., Polym. Phys. 1990, 28, 105-111, Accumulation
of Monomolecular Polystyrene Particles from a Water Surface onto a Substrate
4. Jiro Kumaki, Macromolecules 1988, 21, 749-755, Monolayer of Polystyrene
Monomolecular Particles on a Water Surface Studied by Langmuir-Type Film
Balance and Transmission Electron Microscopy
3. Jiro Kumaki, Macromolecules 1986, 19, 2258-2263, Polystyrene Monomolecular
Particles Obtained by Spreading Dilute Solutions on the Water Surface
2. Jiro Kumaki, Takeji Hashimoto, Macromolecules 1986, 19, 763-768, Time-Resolved
Light Scattering Studies on Kinetics of Phase Separation and Phase Dissolution
of Polymer Blends. 4. Kinetics of Phase Dissolution of a Binary Mixture
of Polystyrene and Poly(vinyl methyl ether)
1. Takeji Hashimoto, Jiro Kumaki, Hiromichi Kawai, Macromolecules 1983,
16, 641-648, Time-Resolved Light Scattering Studies on Kinetics of Phase
Separation and Phase Dissolution of Polymer Blends. 1. Kinetics of Phase
Separation of a Binary Mixture of Polystyrene and Poly(vinyl methyl ether)
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