名古屋大学大学院 工学研究科 竹岡グループ
Japanese / English
2024
- Ploypailin Saengdet, Yukikazu Takeoka, Makoto Ogawa;
“Anti-freezing and Thermal-Hardening of Gelatin-Smectite Nanocomposite Hydrogel”
Chemistry of Materials, 36, 20, 10276-10284 (2024)
DOI:10.1021/acs.chemmater.4c02178 
- Yuwen Ai, Jiang Yangnan, Jialei He, Yumiko Ohtsuka, Miki Sakai, Takahiro Seki, Takahiro Yamanaka, Naoki Tarutani, Kiyofumi Katagiri, Y. Takeoka;
“Influence of Sodium Ions and Carbon Black on the Formation and Structural Color of Photonic Balls by Silica Particle”
Langmuir, 40, 38, 20045-20056 (2024)
DOI:10.1021/acs.langmuir.4c02283 
- Jialei He, Mitsuo Hara, Ryosuke Ohnuki, Shinya Yoshioka, Y. Takeoka;
“Circularly Polarized Luminescence Chirality Inversion and Dual Anticounterfeiting Labels Based on Fluorescent Cholesteric Liquid Crystal Particles”
ACS Appl. Mater. Interfaces, 16, 33, 43991-44003 (2024)
DOI:10.1021/acsami.4c08331 
- I. Ohshima, D.W. Kwon, Y. Wang, M. Hara, T. Seki, T. Hoshino, Y. Takeoka;
“Synthesizing Ordered Network Structures Using Linear Polymers: A Study on Optimal Synthetic Conditions”
Macromolecules, 57, 16, 8109-8122 (2024)
DOI:10.1021/acs.macromol.4c00301 
- T. Yamanaka, N. Tarutani, K. Katagiri, K. Inumaru, Y. Takeoka;
“Influences of Heat Treatment, Particle Arrangement, and Binder Addition on the Mechanical Robustness of Structurally Colored Coatings Formed with Monodisperse SiO2 Spheres”
Advanced Engineering Materials, 26, 14, 2400814 (2024)
DOI:10.1002/adem.202400814 
- Ryosuke Ohnuki, Yukikazu Takeoka, ,Shinya Yoshioka;
“Structural and Optical Characterization of Decahedral-Type Spherical Colloidal Clusters”
Chemistry of Materials, 36, 6, 2953-2962 (2024).
DOI:10.1021/acs.chemmater.3c03306 
- Sizhe Liu, Tomoya Hayashi, Mitsuo Hara, Takahiro Seki, Kohzo Ito, and Yukikazu Takeoka;
“Optimal conditions for the use of polyrotaxane as a cross-linker for the preparation of high-toughness elastomers”
Polymer Journal, 56, 589-598 (2024)
DOI:10.1038/s41428-024-00896-8 
- Guohao Gao, Mitsuo Hara, Takahiro Seki, and Yukikazu Takeoka;
“Synthesis of thermo-responsive polymer gels composed of star-shaped block copolymers by copper-catalyzed living radical polymerization and click reaction”
Science and Technology of Advanced Materials, 25, 2302795 (2024).
DOI:10.1080/14686996.2024.2302795 
- Sizhe Liu, Kenta Watanabe, Eiji Miwa, Mitsuo Hara, Takahiro Seki, Koichi Mayumi, Kohzo Ito, and Yukikazu Takeoka;
“Mechanical properties of polymer networks with polyrotaxane crosslinkers with different molecular structures based on polyethylene glycol and α-cyclodextrin”
Giant, 17, 100224 (2024).
DOI:10.1016/j.giant.2023.100224 
- Biao Zhang, Xuanliang He, Hongjun Ning, Fen Wang, Jianfeng Zhu, Hongjie Luo, Guiqiang Fei, Yukikazu Takeoka, Pei Shi;
“Study on the coupling effect of chemical color and structural color for Lushan speckle porcelain glaze in the Tang Dynasty”
Journal of the European Ceramic Society, 44, 3410-3417 (2024).
DOI:10.1016/j.jeurceramsoc.2023.12.0124
2023
- Daiki Miyake, Jialei He, Fumio Asai, Mitsuo Hara, Takahiro Seki, Shin-nosuke Nishimura, Masaru Tanaka, Yukikazu Takeoka;
“Optically Transparent and Color-Stable Elastomer with Structural Coloration under Elongation”
Langmuir, 39(49), 17844-17852 (2023).
DOI:10.1021/acs.langmuir.3c02442 
- Jialei He,* Sizhe Liu, Guohao Gao, Miki Sakai, Mitsuo Hara, Yuto Nakamura, Hideo Kishida, Takahiro Seki, Yukikazu Takeoka*;
“Particle Size Controlled Chiral Structural Color of Monodisperse Cholesteric Liquid Crystals Particles”
Advanced Optical Materials, 11(19), 2300296 (2023).
DOI:10.1002/adom.202300296 
- R Ohnuki,* Yukikazu Takeoka、S Yoshioka;
“Cross-Sectional Investigations of Spherical Colloidal Clusters from Submicrometer-Sized Silica Particles toward Designing Novel Photonic Materials”
ACS Applied Nano Materials, 6(14), 13137-13147 (2023).
DOI:10.1021/acsanm.3c01816 
2022
- Tomoki Sakai, Nagisa Ito, Mitsuo Hara, Takahiro Seki, Mineto Uchiyama, Masami Kamigaito, Kotaro Satoh, Taiki Hoshino, and Yukikazu Takeoka;
“One-pot synthesis of structure-controlled temperature-responsive polymer gels”
Polymer Chemistry, 13, 4230-4240 (2022)
DOI:10.1039/D2PY00554A 
- Yuka Hiei, Ikuya Ohshima, Mitsuo Hara, Takahiro Seki, Taiki Hoshino, and Yukikazu Takeoka;
“Shrinking rate of polymer gels composed of star-shaped polymers of N-isopropylacrylamide and dimethylacrylamide copolymers: effect of dimethylacrylamide into the crosslinking network”
Soft Matter, 18, 5204-5217 (2022)
DOI:10.1039/D2SM00402J 
- Michika Onoda, Fei Jia, Yukikazu Takeoka and Robert J. Macfarlane;
“Controlling the dynamics of elastomer networks with multivalent brush architectures”
Soft Matter, 18, 3644-3648 (2022)
DOI:10.1039/D2SM00328G 
- Takahiro Tamanaka, Naoki Tarutani, Kiyofumi Katagiri, Kei Inumaru, Yukikazu Takeoka and Toshiyuki Masui;
“High Heat Resistance of the Structural Coloration of Colloidal Arrays with Inorganic Black Additives”
ACS Applied Materials & Interfaces, 14, 25, 29324-29330 (2022)
DOI:10.1021/acsami.2c08649 
- Naoki Tarutani, Ryo Uesugi, Kensuke Uemura, Kiyofumi Katagiri, Kei Inumaru, Yukikazu Takeoka;
“Understanding the Electrophoretic Deposition Accompanied by Electrochemical Reactions toward Structurally Colored Bilayer Films”
ACS Applied Materials & Interfaces, 14, 20, 23653-23659 (2022)
DOI:10.1021/acsami.2c04635 
- Ryosuke Ohnuki, Naoki Kunimoto, Yukikazu Takeoka, and Shinya Yoshioka;
“Optical Characterization of Large Icosahedral Colloidal Clusters”
Particle, Part. Syst. Charact., 39, 2100257: 1-10 (2022)
DOI:10.1002/ppsc.202100257 
2021
- Pei Shi, Eiji Miwa, Jialei He, Miki Sakai, Takahiro Seki, and Yukikazu Takeoka*;
“Bioinspired Color Elastomers Combining Structural, Dye, and Background Colors”
ACS Appl. Mater. Interfaces, 13, 46, 55591 – 55599 (2021).
DOI:10.1021/acsami.1c19471 
- Yusuke Baba, Guohao Gao, Mitsuo Hara, Takahiro Seki, Kotaro Satoh, Masami Kamigaito, Taiki Hoshino, Kenji Urayama*, and Yukikazu Takeoka*;
“Nonturbid Fast Temperature-Responsive Hydrogels with Homogeneous Three-Dimensional Networks by Two Types of Star Polymer Synthesis Methods”
Macromolecules, 54, 22, 10468 – 10476 (2021).
DOI:10.1021/acs.macromol.1c01680 
- DoWoo Kwon, Yuto Jochi, Yuumi Okaya, Takahiro Seki, Kotaro Satoh,* Masami Kamigaito, Taiki Hoshino,* Kenji Urayama, and Yukikazu Takeoka*;
“Nonturbid Fast Temperature-Responsive Hydrogels with Homogeneous Three-Dimensional Networks by Two Types of Star Polymer Synthesis Methods”
Macromolecules, 54, 5750 – 5764 (2021).
DOI:10.1021/acs.macromol.1c00446 
- Fumio Asai, Takahiro Seki, Yukikazu Takeoka;
“Functional polymethacrylate composite elastomer filled with multilayer graphene and silica particles”
Carbon Trends, 4, 100064:1-11 (2021).
DOI:10.1016/j.cartre.2021.10 0 064 
- Fumio Asai,* Takahiro Seki, Taiki Hoshino, Xiaobin Liang, Ken Nakajima, and Yukikazu Takeoka;
“Silica Nanoparticle Reinforced Composites as Transparent Elastomeric Damping Materials”
ACS Applied Nano Materials, 4, 4, 4140-4152 (2021).
DOI:10.1021/acsanm.1c00472 
- Mina Han*, Ikue Abe, Kazunori Matsuura, Yukikazu Takeoka and Takahiro Seki;
“Morphologically Diverse Micro- and Macrostructures Created via Solvent Evaporation-Induced Assembly of Fluorescent Spherical Particles in the Presence of Polyethylene Glycol Derivatives”
Molecules, 26, 4294: 1-11 (2021).
DOI:10.3390/molecules26144294 - Ryosuke Ohnuki, Miki Sakai, Yukikazu Takeoka and Shinya Yoshioka;
“Detailed Analysis of Peripheral Reflection from Photonic Ball”
Advanced Photonics Research, 2, 2100131, 1-9 (2021)
DOI:10.1002/adpr.202100131 
2020
- Yumiko Ohtsuka, Miki Sakai, Takahiro Seki, Ryosuke Ohnuki, Shinya Yoshioka, and Yukikazu Takeoka*;
“Stimuli-Responsive Structural Colored Gel That Exhibits the Three Primary Colors of Light by Using Multiple Photonic Band Gaps Acquired from Photonic Balls”
ACS Applied Materials & Interfaces, 12, 48, 54127 - 54137 (2020).
DOI:10.1021/acsami.0c17687 
- Fumio Asai*, Takahiro Seki, Ayae Sugawara-Narutaki, Kazuhide Sato, Jérémy Odent, Olivier Coulembier, Jean-Marie Raquez, and Yukikazu Takeoka*;
“Tough and 3D-printable Poly(2-methoxyethyl Acrylate)-Silica Composite Elastomer with Anti-Platelet Adhesion Property”
ACS Applied Materials & Interfaces, 12, 41, 46621 - 46628 (2020).
DOI:10.1021/acsami.0c11416 
- Kiyofumi Katagiri,* Kensuke Uemura, Ryo Uesugi, Naoki Tarutani, Kei Inumaru, Tetsuo Uchikoshi,Takahiro Seki, and Takeoka, Y.;
“Robust Structurally Colored Coatings Composed of Colloidal Arrays Prepared by the Cathodic Electrophoretic Deposition Method with Metal Cation Additives”
ACS Applied Materials & Interfaces, 12, 36, 40768-40777 (2020).
DOI:10.1021/acsami.0c10588 
- Eiji Miwa, Kenta Watanabe, Fumio Asai, Takahiro Seki, Kenji Urayama, Jérémy Odent, Jean-Marie Raquez, and Takeoka, Y.*;
“Composite Elastomer Exhibiting a Stress-Dependent Color Change and High Toughness Prepared by Self-Assembly of Silica Particles in a Polymer Network”
ACS Applied Polymer Materials, 2, 9, 4078 -4089 (2020).
DOI:10.1021/acsapm.0c00703 
- Miki Sakai, Hyunji Kim, Yusuke Arai, Takuya Teratani, Youhei Kawai, Yuichi Kuwahara, Keisuke Abe, Yasuhiro Kuwana, Katsuji Ikeda, Kazuhiko Yamada, and Takeoka, Y.*;
“Monodisperse Silica Nanoparticle−Carbon Black Composite Microspheres as Photonic Pigments”
ACS Applied Nano Materials, 3, 7047-7056 (2020).
DOI:10.1021/acsanm.0c01366 
- Ryosuke Ohnuki,* Miki Sakai, Yukikazu Takeoka, and Shinya Yoshioka;
“Optical Characterization of the Photonic Ball as a Structurally Colored Pigment”
Langmuir, 36, 5579-5587 (2020).
DOI:10.1021/acs.langmuir.0c00736 
- Watanabe K., Miwa, E., Asai, F., Seki, T., Urayama, K., Nakatani, T., Fujinami, So., Hoshino, T., Takata, M., Liu, C., Mayumi, K., Ito, K.,Takeoka, Y.*;
“Highly Transparent and Tough Filler Composite Elastomer Inspired by the Cornea”
ACS Materials Letters, 2, 325-330 (2020). (published as a front cover)
DOI:10.1021/acsmaterialslett.9b00520 
- Okaya, Y., Jochi, Y., Seki, T., Satoh, K., Kamigaito, M., Hoshino, T., Nakatani, T., Fujinami, So., Takata, M., Takeoka, Y.*;
“Precise Synthesis of a Homogeneous Thermoresponsive Polymer Network Composed of Four-Branched Star Polymers with a Narrow Molecular Weight Distribution”
Macromolecules, 53, 374-386 (2020).
DOI:10.1021/acs.macromol.9b01616 
2019
- Naoi, Y., Seki, T., Ohnuki, R., Yoshioka, S., Takeoka, Y.*;
“Characterization of Colloidal Amorphous Arrays Prepared by Uniaxial Pressure Application”
Langmuir, 35, 13983-13990 (2019).
DOI:10.1021/acs.langmuir.9b02622 
- Sakai, M., Seki, T., Takeoka, Y.*;
“Colorful Photonic Pigments Prepared by using Safe Black and White Materials”
ACS Sustainable Chemistry & Engineering, 7, 14933-14940 (2019).
DOI:10.1021/acssuschemeng.9b03165 
- Naoi, Y., Seki, T., Yoshioka, S., Takeoka, Y.*;
“Development of angle-independent color material using colloidal amorphous array”
Molecular Crystals and Liquid Crystals, 688, 105-113 (2019).
DOI:10.1080/15421406.2019.1651075 
- Ohnuki, R., Isoda, S., Sakai, M., Takeoka, Y. Yoshioka, S.;
“Grating Diffraction or Bragg Diffraction? Coloration Mechanisms of the Photonic Ball”
Adv. Opt. Mater., 7, 1900227 (2019).
DOI:10.1002/adom.201900227 
2018
- Gotoh, H., Liu, C., Imran, A.B, Hara, M., Seki, T., Mayumi, K., Ito, K., Takeoka, Y.*;
“Optically Transparent, High Toughness Elastomer Using a Polyrotaxane Crosslinker as a Molecular Pulley”
Science Advances, Vol. 4, no.10, eaat7629. > open access.
DOI:10.1126/sciadv.aat7629 
- Jochi, Y., Seki, T., Soejima, T., Satoh, K.*, Kamigaito, M., Takeoka, Y.*;
“Spontaneous Synthesis of a Homogeneous Thermoresponsive Polymer Network Composed of polymers with a narrow molecular weight distribution”
NPG Asia Materials, 10, 840-848(2018). > open access.
DOI:10.1038/s41427-018-0074-x 
- Sakai, M., Seki, T., Takeoka, Y.*;
“Bio-inspired Colour Materials Combining Structural, Dye, and Background Colours”
Small, 14, 1800817(1-8) (2018). (published as a back cover)
DOI:10.1002/smll.201800817 
- Teshima, M., Suzuki, M., Seki, T., Takeoka, Y.*;
“Spontaneous Preparation of Monodispersed, Structural Colored, Spherical Particles by Rotational Stirring”
ChemNanoMat, 4, 621-625 (2018). (published as an inside cover)
DOI:10.1002/cnma.201800102 
- Teshima, M., Seki, T., Takeoka, Y.*;
“Simple Preparation of Magnetic Field-Responsive Structural Colored Janus Particles”
Chemical Communications, 54, 2607-2610 (2018). (published as a back cover picture)
DOI:10.1039/C7CC09464G 
- Katagiri, K.*, Uemura, K., Uesugi, R., Inumaru, K., Seki, T., Takeoka, Y.*;
“Structurally colored coating films with tunable iridescence fabricated via cathodic electrophoretic deposition of silica particles”
RSC Advances, 8, 10776-10784 (2018). > open access.
DOI:10.1039/c8ra01215f 
- Takeoka, Y.*, Iwata, M., Seki, T., Nueangnoraj, K., Nishihara, H., Yoshioka, S.;
“Structural Coloration of a Colloidal Amorphous Array is Intensified by Carbon Nanolayers”
Langmuir, 34, 4282-4288 (2018).
DOI:10.1021/acs.langmuir.8b00242 
2017
- Ogawa, K., Hara, M., Nagano, S., Seki, T., Takeoka, Y.*;
“Photo-tunable Christiansen Colour Filter Using Photoisomerization of Stilbene”
Chem. Lett., 46, 1386-1389 (2017). > open access. (selected as a Editor's Choice).
DOI:10.1246/cl.170603 
- Iwata, M., Teshima, M., Seki, T., Yoshioka, S., Takeoka, Y.*;
“Bio-inspired Bright Structurally Colored Colloidal Amorphous Array Enhanced by Controlling Thickness and Black Background”
Advanced Materials, 29, 1605050(1-8) (2017)..
DOI:10.1002/adma.201605050 
- Katagiri, K.,* Tanaka, Y., Uemura K., Inumaru, K., Seki, T., Takeoka, Y.*;
“Structural color coating films composed of an amorphous array of colloidal particles via electrophoretic deposition”
NPG Asia Materials, 9, e355 (2017). > open access
DOI:10.1038/am.2017.13 
- Yasumoto, A., Gotoh, H., Gotoh, Y., Imran, A. B., Seki, T., Sakai, Y., Ito, K., Takeoka, Y.*;
“Highly Responsive Hydrogel out of Poly(N-isopropyl acryalamide) Grafted Polyrotaxane as Building Block Designed by Living Radical polymerization and Click Chemistry”
Macromolecules, 50, 364-374 (2017).
DOI:10.1021/acs.macromol.6b01955 
2016
- Ohmori, K., Imran, A. B., Seki, T., Liu, C., Mayumi, K., Ito, K., Takeoka, Y.*;
“Molecular Weight Dependency of Polyrotaxane-cross-linked Polymer Gel Extensibility”
Chemical Communications, 52, 13757-13759 (2016). (published as a back cover picture)
DOI:10.1039/C6CC07641F 
2015
- Ohtsuka, Y., Seki, T., Takeoka, Y.*;
“Thermally Tunable Hydrogels Displaying Angle-independent Structurally Colours”
Angew. Chem. Int. Ed., 54, 15368-15373 (2015). > open access
(published as a Frontispiece, and selected as a Hot Paper in Angew. Chem. Int. Ed.)
DOI:10.1002/anie.201507503 
- Teshima, M., Seki, T., Kawano, R., Takeuchi, S., Yoshioka, S., Takeoka, Y.*;
“Preparation of Structurally Colored, Monodisperse Spherical Assemblies Composed of Black and White Colloidal Particles using a Micro Flow-Focusing Device”
J. Materials Chemistry C, 3, 769-777 (2015). (published as a back cover picture)
DOI:10.1039/C4TC01929F 
- Han, M., Takeoka, Y., Seki, T.;
“Facile morphological control of fluorescent nano/microstructures via self-assembly and phase separation of trigonal azobenzenes showing aggregation-induced emission enhancement in polymer matrices”
J. Materials Chemistry C, 3, 4093-4098 (2015).
DOI:10.1039/C5TC00462D
2014
- Imran, A.B., Esaki, K., Gotoh, H., Seki, T., Ito, K., Sakai, Y., Takeoka, Y.*;
“Extremely stretchable thermosensitive hydrogels prepared by introducing polyrotaxane-based slide-ring cross-linkers and ionic groups into the polymer network”
Nature Communications, 5, 5124:1-8 (2014). > open access
DOI:10.1038/ncomms6124 
- Hirashima, R., Seki, T., Katagiri, K., Akuzawa, Y., Torimoto, T., Takeoka, Y.*;
“Light-induced Saturation Change in the Angle-independent Structural Coloration of Colloidal Amorphous Arrays”
J. Materials Chemistry C, 2, 344-348 (2014).
DOI:10.1039/C3TC31438C 
2013
- Takeoka, Y.*, Yoshioka, S., Takano, A., Arai, S., Khanin, N., Nishihara, H., Teshima, M., Ohtsuka, Y., Seki, T.;
“Producing Coloured Pigments with Amorphous Arrays of Black and White Colloidal Particles”
Angew. Chem. Int. Ed., 52, 7261-7265 (2013).
DOI:10.1002/anie.201301321 
- Takeoka, Y.* , Yoshioka, S., Teshima, M., Takano, A., Harun-Ur-Rashid, M., Seki, T.;
“Structurally Coloured Secondary Particles Composed of Black and White Colloidal Particles”
Sci. Rep., 3, 2371-1-7 (2013). > open access
DOI:10.1038/srep02371 
2012
- Gotoh, Y., Suzuki, H., Kumano, N., Seki, T., Katagiri, K., Takeoka, Y.*;
“Amorphous Array of Poly(N-isopropylacrylamide) Brush-Coated Silica Particles for Thermally Tunable Angle-Independent Photonic Band Gap Materials”
New Journal of Chemistry, 36, 2171-2175 (2012). (published as a cover picture, and selected as a NJC hot article)
DOI:10.1039/C2NJ40368D 
- Hayata, Y., Nagano, S., Takeoka, Y., Seki, T.;
“Photoinduced Volume Transition in Liquid Crystalline Polymer Gels Swollen by a Nematic Solvent”
ACS Macro lett., 1, 1357-1361 (2012).
DOI:10.1021/mz300447j
2011
- Kumano, N., Seki, T., Ishii, M., Nakamura, H., Takeoka, Y.*;
“Tunable Angle-Independent Structural Colour from Phase Separated Porous Gel”
Angew. Chem. Int. Ed., 50, 4012-4015 (2011).
DOI:10.1002/anie.201008182 
- Kumano, N., Seki, T., Ishii, M., Nakamura, H., Umemura, T., Takeoka, Y.*;
“Multi-Colour Polymer Dispersed Liquid Crystal”
Adv. Mater., 23, 884-888 (2011). (published as a Frontispiece)
DOI:10.1002/adma.201003660 
2010
- Suzuki, H., Huda, M.N., Seki, T., Kawamoto, T., Haga, H., Kawabata, K., Takeoka, Y.*;
“Precise Synthesis and Physicochemical Properties of High-Density Polymer Brushes designed with Poly(N-isopropylacrylamide)”
Macromolecules, 43, 9945-9956 (2010).
DOI:10.1021/ma101439f 
- Imran, A. B., Seki, T., Ito, K., Takeoka, Y.*;
“Poly(N-isopropylacrylamide) gel prepared using a hydrophilic polyrotaxane-based movable cross-linker”
Macromolecules, 43, 1975-1980 (2010).
DOI:10.1021/ma902349j 
- Harun-Ur-Rashid, M., Imran, A. B., Seki, T., Ishii, M., Nakamura, H., Takeoka, Y.*;
“Angle-Independent Structural Color in Colloidal Amorphous Arrays”
ChemPhysChem, 11, 579-583 (2010).
DOI:10.1002/cphc.200900869 
- Huda, M.N., Seki, T., Suzuki, H., Kabir, A.N.M.H., Rashid, H.U., Takeoka, Y.*;
“Characteristics of disperse poly(N-isopropylacrylamide) brushes on silicon surfaces by Atom transfer radical polymerization”
Transactions of the Materials Research Society Japan, 35, 845-848 (2010). - Imran, A. B., Seki, T., Ito, K., Takeoka, Y.*;
“Hydrophobic and hydrophilic polyrotaxane based movable cross-linkers for thermo-sensitive poly(N-isopropylacrylamide) gels”
Transactions of the Materials Research Society Japan, 35, 291-297 (2010). - Imran, A. B., Seki, T., Ito, K., Takeoka, Y.*;
“Facile synthesis of sliding poly(NIPA) gels using a vinyl modified polyrotaxane as a Cross-linker”
Transactions of the Materials Research Society Japan, 35, 841-844 (2010).
2009
- Honda, M., Seki, T., Takeoka, Y.*;
“Dual Tuning of Photonic Band Gap Structure in Soft Photonic Crystal”
Adv. Mater., 21, 1801-1804 (2009).
DOI:10.1002/adma.200801258 
- Ueno, K., Sakamoto, J., Takeoka, Y.*, Watanabe, M.;
“Electrochromism based on structural color changes in a polyelectrolyte gel”
J. Mater. Chem., 1, 4778-4783 (2009).
DOI:10.1039/B900261H - Takeoka, Y.*, Honda, M., Seki, T., Ishii, M., Nakamura, H.;
“Structural Coloured Liquid Membrane without Angle-Dependence”
ACS Applied Materials & Interface, 1, 982-986 (2009).
DOI:10.1021/am900074v 
- Harun-Ur-Rashid, M., Imran, A. B., Seki, T., Ishii, M., Nakamura, H., Takeoka, Y.*;
“Template Synthesis for Stimuli-Responsive Angle Independent Structural Colored Smart Materials”
Transactions of the Materials Research Society Japan, 34, 333-337 (2009). - Honda, M., Kataoka, K., Seki, T., Takeoka, Y.*;
“Hydrophobic and hydrophilic polyrotaxane based movable cross-linkers for thermo-sensitive poly(N-isopropylacrylamide) gels”
Transactions of the Materials Research Society Japan, 35, 291-297 (2010). - Imran, A. B., Seki, T., Ito, K., Takeoka, Y.*.;
“Confined Stimuli-Responsive Polymer Gel in Inverse Opal Polymer Membrane for Colorimetric Glucose sensor”
Langmuir, 25, 8349-8356 (2009).
DOI:10.1021/la804262b 
2008
- Shinohara, S., Seki, T., Sakai, T., R. Yoshida, Takeoka, Y.*;
“Photoregulated Worm-like Motion of Gel”
Angew. Chem. Int. Ed., 47, 9039-9043 (2008).
DOI:10.1002/anie.200803046 
- Imran, A. B., Seki, T., Kataoka, T., Kidowaki, M., Ito, K., Takeoka, Y.*;
“Fabrication of Mechanically Improved Hydrogels Using Movable Cross-linker Based on Vinyl Modified Polyrotaxane”
Chemical Communications, 5227-5229 (2008).
DOI:10.1039/B810290B 
- Shinohara, S., Seki, T., Sakai, T., R. Yoshida, Takeoka, Y.*;
“Chemical and Optical Control of Peristaltic Actuator Based on Self-Oscillating Porous Gel”
Chemical Communication, 4735-4737 (2008). (highlighted in Nature Chemistry)
DOI:10.1039/B808427K 
- Murayama, H., Imran, A. B., Nagano, S., Seki, T., Kidowaki, M., Ito, K., Takeoka, Y.*;
“Chromic Slide-Ring Gel based on Reflection from Photonic Bandgap”
Macromolecules, 41, 1808-1814 (2008).
DOI:10.1021/ma0715627 
2007
- Sakai, T., Murayama, H., Nagano, S., Takeoka, Y., Kidowaki, M., Ito, K., Seki, T.;
“Photoresponsive Slide-Ring Gel”
Adv. Mater., 19, 2023-2025 (2007).
DOI:10.1002/adma.200700457 - Ueno, K., Matsubara, K., Watanabe, M., Takeoka, Y.*;
“Electro- and Thermo- chromic Hydrogel as Full-color Indicator”
Adv. Mater., 19, 2807-2812 (2007).
DOI:10.1002/adma.200700159 
- Matsubara, K., Watanabe, M., Takeoka, Y.*;
“Thermally-Adjustable Multicolor Photochromic Hydrogel”
Angew. Chem. Int. Ed., 46, 1688- 1692 (2007).
DOI:10.1002/anie.200603554 
- Sakai, T., Takeoka, Y., Seki, T., Yoshida, R.;
“Organized monolayer of thermosensitive microgel beads prepared by double template polymerization”
Langmuir, 23, 8651-8654 (2007).
DOI:10.1021/la700448t - Takeoka, Y.*, Seki, T.;
“Biform Structural Colored Hydrogel For Observation of Subchain Conformation”
Macromolecules, 40, 5513-5518 (2007).
DOI:10.1021/ma0701078 
- 酒井 崇匡, 竹岡 敬和, 関 隆広, 吉田 亮;
“二段階鋳型重合法を用いた温度応答型ゲル微粒子単層組織化膜の作製”
高分子論文集 第64巻・第1号, 45-49(2007).
DOI:10.1295/koron.64.45
2006
- Takeoka, Y. and Seki, T.;
“Visualizing Conformations of Subchains by Creating Optical Wavelength-Sized Periodically Ordered Structure in Hydrogel”
Langmuir, 22, 10223-10232 (2006).
DOI:10.1021/la061945i 
- Kumoda, M., Watanabe, M., Takeoka, Y.*;
“Preparations and optical properties of ordered arrays of submicron gel particles: Interconnected state and trapped state”
Langmuir, 22, 4403-4407(2006).
DOI:10.1021/la060224g 
2005
- Mitsushima, S., Sakamoto, R., Kudo, K., Takeoka, Y., Kamiya, N., and Ota, K.;
“Ionic conductivity and thermal stability of room temperature molten salts perfluorosulfonic acid membranes for fuel cell application”
J. New Materials for Electrochem. Sys., 1, 77-84(2005).
2004
- Susan, M.A.B.H., Ishibashi, A., Takeoka, Y. and Watanabe, M.;
“Surface activity and redox behavior of a non-ionic surfactant containing a phenothiazine group”
Colloids and Surfaces B-Biointerfaces, 38, 167-173(2004).
DOI:10.1016/j.colsurfb.2004.01.016
2003
- Takeoka, Y.*, Watanabe, M., and Yoshida, R.;
“Self-Sustaining Peristaltic Motion on the Surface of a Porous Gel”
J. Am. Chem. Soc., 125, 13320-13321(2003). (highlighted in Nature Materials 2, 774(2003).: News & Views)
DOI:10.1021/ja036904c 
- Nakayama, D., Takeoka, Y.*, Watanabe, M., Kataoka, K.;
“Simple and Precision Preparation of Porous Gel for Colorimetric Chemical Sensor by Templating Technique”
Angew. Chem. Int. Ed., 42, 4197-4200(2003).
DOI:10.1002/anie.200351746 
- Takeoka, Y.* and Watanabe, M.;
“Template synthesis and optical properties of chameleonic poly(N-isopropylacrylamide)gels using closest-packed self-assembled colloidal silica crystals”
Adv. Mater., 15, 199-201(2003). (published as a cover picture)
DOI:10.1002/adma.200390044 
- Takeoka, Y.* and Watanabe, M.;
“Controlled Multi-Structural-Color of a Gel Membrane”
Langmuir, 19, 9554-9557(2003). (published as a cover picture)
DOI:10.1021/la0344175 
- Saito, H., Takeoka, Y.* and Watanabe, M.;
“Simple and precision design of porous gel as a visible indicator for ionic species and concentration”
Chem. Commun., 2126-2127(2003).
DOI:10.1039/B304306A 
- Takeoka, Y.* and Watanabe, M.;
“Tuning Structural Color Changes of Porous Thermo-sensitive Gels Through Quantitative Adjustment of The Cross-linker in Pre-gel Solutions”
Langmuir, 19, 9104-9106(2003). (Selected as "Heart Cut" paper by ACS.)
DOI:10.1021/la035142w 
- Kumoda, M., Takeoka, Y.* and Watanabe, M.;
“Template synthesis of poly(N-isopropylacrylamide) minigels using interconnecting macroporous polystyrene”
Langmuir, 19, 525-528(2003).
DOI:10.1021/la020758r 
2002
- Takeoka, Y.*, Watanabe, M.;
“Polymer Gels that Memorize Structures of Mesoscopically Sized Templates”
Langmuir, 18, 5977-5980(2002). (Selected as "Heart Cut" paper by ACS.)
DOI:10.1021/la020133t 
2001
- Alvarez-Lorenzo, C., Guney, O., Oya, T., Sakai, Y., Kobayashi, M., Enoki, T., Takeoka, Y., Ishibashi, T., Kuroda, K., Tanaka, K., Wang, G., Grosberg, A.Y., Masamune, S., and Tanaka, T.;
“Reversible adsorption of calcium ions by imprinted temperature sensitive gels”
J. Chem. Phys., 114(6), 2812-2816(2001).
DOI:org/10.1063/1.1339265
2000
- Enoki, T., Tanaka, K., Watanabe, T., Oya, T., Sakiyama, T., Takeoka, Y., Ito, K., Wang, G., Annaka, M., Hara, K., Du, R., Chuang, J., Wasserman, K., Grosberg, A.Y., Masamune, S., and Tanaka, T.;
“Frustrations in polymer conformation in gels and their minimization through molecular imprinting”
Phys. Rev. Lett., 85, 5000-5003(2000).
DOI:org/10.1103/PhysRevLett.85.5000 - Wang, G., Kuroda, K., Enoki, T., Grosberg, A.Y., Masamune, S., Oya, T., Takeoka, Y. and Tanaka, T.;
“Gel catalysts that switch on and off”
Proc. Natl. Acad. Sci. USA, 97, 9861-9864(2000).
DOI:10.1073/pnas.180192597 - Alvarez-Lorenzo, C., Guney, O., Oya, T., Sakai, Y., Kobayashi, M., Enoki, T., Takeoka, Y., Ishibashi, T., Kuroda, K., Tanaka, K., Wang, G., Grosberg, A.Y., Masamune, S., and Tanaka, T.;
“Polymer Gels That Memorize Elements of Molecular Conformation”
Macromolecules, 33, 8693-8697(2000).
DOI:10.1021/ma000603v - Susan, M.A.B.H., Begum, M., Takeoka, Y. and Watanabe, M.;
“Effect of pH and the extent of micellization on the redox behavior of non-ionic surfactants containing an anthraquinone group”
J. Electroanal. Chem., 481, 192-199(2000).
DOI:10.1016/S0022-0728(99)00493-3 - Susan, M.A.B.H., Begum, M., Takeoka, Y. and Watanabe, M.;
“A study to correlate the electrochemical responses of a non-ionic surfactant containing an anthraquinine group with the dissolved states”
Langmuir, 16, 3509-3516(2000).
DOI:10.1021/la991033z
1999
- Oya, T., Enoki, T., Grosberg, A.Y., Masamune, S., Sakiyama, T., Takeoka, Y., Tanaka, K., Wang, G., Yilmaz, Y., Feld, M.S., Dasari, R., and Tanaka, T.;
“Reversible Molecular Adsorption Based on Multiple-Point Interaction by Shrinkable Gels”
Science, 286, 1543-1545(1999).
DOI:10.1126/science.286.5444.1543 - Takeoka, Y., Berker, A. N., Du, R., Enoki, T., Grosberg, A.Y., Kardar, M., Oya, T., Tanaka, K., Wang, G., Yu, X., Tanaka, T.;
“First Order Phase Transition and Evidence for Frustrations in Polyampholyte Gels”
Phys. Rev. Lett., 82, 4863-4865(1999).
DOI:org/10.1103/PhysRevLett.82.4863
1998
- Tanaka, T., Enoki, T., Grosberg, A.Y., Masamune, S., Oya, T., Takeoka, Y., Tanaka, K., Wang, C., Wang, G.;
“Reversible molecular adsorption as a tool to observe freezing and to perform design of heteropolymer gels”
Ber. Bunsen-Ges., 102(11), 1529-1533(1998).
DOI:10.1002/bbpc.19981021103
1997
- Takeoka, Y., Aoki, T., Sanui, K., Ogata, N., Watanabe, M.;
“Cyclic voltammetric study of redox-active surfactant by gel-modified electrode”
Polymer Gels and Networks, 5, 369-383(1997).
DOI:org/10.1063/1.1339265 - Takeoka, Y., Aoki, T., Sanui, K., Ogata, N., Watanabe, M.;
“Effect of supporting electrolyte concentration on the electrochemical reaction of redox-active surfactant micelles in aqueous solutions”
J.Electroanal.Chem., 438, 153-158(1997).
DOI:10.1016/S0022-0728(97)00128-9
1996
- Takeoka, Y., Aoki, T., Sanui, K., Ogata, N., Watanabe, M.;
“Electrochemical Studies of a Redox-active Surfactants. Correlation between Electrochemical Responses and Dissolved States”
Langmuir , 12, 487-493(1996).
DOI:10.1021/la9501290
1995
- Takeoka, Y., Aoki, T., Sanui, K., Ogata, N., Yokoyama, M., Okano, T., Sakurai, Y., Watanabe, M.;
“Electrochemical control of drug release from redox-active micelles”
J. Controlled Release, 33, 79-87(1995).
DOI:10.1016/0168-3659(94)00078-9 - Takeoka, Y., Aoki, T., Sanui, K., Ogata, N., Watanabe, M.;
“Interaction between redox-active non-ionic surfactant micelle and poly(acrylic acid)”
Kobunsi Ronbunshu, 52, 642-647(1995) (in Japanese).
DOI:10.1295/koron.52.657