Original articles

1. 1. Understanding the Effects of Substrate Surface Roughness on Powder Electroluminescent Device Through Experimental Validation and Numerical Simulation
    Shota Tsuneyasu, Rikuya Watanabe, Yuki Otomo, Kojiro Uetani, Nobuyuki Nakayama, Toshifumi Satoh
    J. Imag. Soc. Jpn. 2024, 63(1), 35–43. (2024年2月10日)
    DOI: 10.11370/isj.63.35
  2. Strong attractive interaction between finite element models of twisted cellulose nanofibers by intermeshing of twists
    Kojiro Uetani, Takuya Uto
    RSC Adv. 2023, 13, 16387–16395. (2023年5月31日）
    DOI: 10.1039/d3ra01784b
  3. Tunability of the thermal diffusivity of cellulose nanofibril films by addition of multivalent metal ions
    Kojiro Uetani, Keitaro Kasuya, Sho Yoshikawa, Takuya Uto
    Carbohydr. Polym. 2022, 297, 120010. (2022年8月20日)
    DOI: 10.1016/j.carbpol.2022.120010
  4. Thermal Diffusion Films with In-plane Anisotropy by Aligning Carbon Fibers in a Cellulose Nanofiber Matrix
    Kojiro Uetani, Kosuke Takahashi, Rikuya Watanabe, Shota Tsuneyasu, Toshifumi Satoh
    ACS Applied Materials & Interfaces 2022, 14(29), 33903–33911. (2022年7月20日)
    DOI: 10.1021/acsami.2c09332
  5. Nanocellulose Paper Semiconductor with a 3D Network Structure and Its Nano–Micro–Macro Trans-Scale Design
    Hirotaka Koga, Kazuki Nagashima, Koichi Suematsu, Tsunaki Takahashi, Luting Zhu, Daiki Fukushima, Yintong Huang, Ryo Nakagawa, Jiangyang Liu, Kojiro Uetani, Masaya Nogi, Takeshi Yanagida, Yuta Nishina
    ACS Nano 2022, 16, 6, 8630–8640.
    DOI: 10.1021/acsnano.1c10728
  6. Fibre-orientation evaluation of cellulose nanofibre films through rapid measurement of thermal diffusivity anisotropy
    Kimihito Hatori, Takaaki Awano, Tetsuya Otsuki, Kojiro Uetani, Hosei Nagano
    Int. J. Thermophys. 2022, 43, 84.
    DOI: 10.1007/s10765-022-03009-w
  7. All-cellulose-derived humidity sensor prepared via direct laser writing of conductive and moisture-stable electrodes on TEMPO-oxidized cellulose paper
    Luting Zhu, Xiang Li, Takaaki Kasuga, Kojiro Uetani, Masaya Nogi, Hirotaka Koga
    J. Mater. Chem. C, 2022, 10, 3712-3719. (2022年2月24日)
    DOI: 10.1039/d1tc05339f
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  8. Polydopamine Doping and Pyrolysis of Cellulose Nanofiber Paper for Fabrication of Three-Dimensional Nanocarbon with Improved Yield and Capacitive Performances
    Luting Zhu, Kojiro Uetani, Masaya Nogi, Hirotaka Koga
    Nanomaterials 2021, 11, 3249. (2021年11月30日)
    DOI: 10.3390/nano11123249
  9. Off-Axis Photoelasticity by Anisotropic Molecular Deformation of Uniaxially Aligned Cellulose Nanofiber Films
    Kojiro Uetani, Takuya Uto
    Carbohydr. Polym. Technol. Appl. 2021, 2, 100166. (2021年9月25日)
    DOI: 10.1016/j.carpta.2021.100166
  10. Kirigami-processed cellulose nanofiber films for smart heat dissipation by convection
    Kojiro Uetani, Keitaro Kasuya, Jiahao Wang, Yintong Huang, Rikuya Watanabe, Shota Tsuneyasu, Toshifumi Satoh, Hirotaka Koga, Masaya Nogi
    NPG Asia Mater. 2021, 13, 62. (2021年9月24日)
    DOI: 10.1038/s41427-021-00329-5
  11. Humidity-responsive thermal conduction properties of bacterial cellulose films
    Shogo Izakura, Hirotaka Koga, Kojiro Uetani
    Cellulose 2021, 28, 5363–5372. (2021年4月24日)
    DOI: 10.1007/s10570-021-03888-6
  12. Inherently Distinctive Potentialities and Uses of Nanocellulose Based on its Nanoarchitecture
    Kojiro Uetani, Naliharifetra Jessica Ranaivoarimanana, Mayumi Hatakeyama, Takuya Kitaoka
    BioResources 2021, 16(2), 4438-4473. (2021年3月30日)
    DOI: 10.15376/biores.16.2.Uetani
  13. Cellulose Nanofiber Coatings on Cu Electrodes for Cohesive Protection against Water-Induced Short-Circuit Failures
    Takaaki Kasuga, Hitomi Yagyu, Kojiro Uetani, Hirotaka Koga, Masaya Nogi
    ACS Appl. Nano Mater. 2021, 4, 3861ｰ3868. (2021年3月30日)
    DOI: 10.1021/acsanm.1c00267
  14. Enhancement of luminance in powder electroluminescent devices by substrates of smooth and transparent cellulose nanofiber films
    Shota Tsuneyasu, Rikuya Watanabe, Naoki Takeda, Kojiro Uetani, Shogo Izakura, Keitaro Kasuya, Kosuke Takahashi, Toshifumi Satoh
    Nanomatereials, 2021, 11(3), 697. (2021年3月10日)
    DOI: 10.3390/nano11030697
  15. Thermal Conductivity Analysis of Chitin and Deacetylated-Chitin Nanofiber Films under Dry Conditions
    Jiahao Wang, Keitaro Kasuya, Hirotaka Koga, Masaya Nogi, Kojiro Uetani
    Nanomatereials, 2021, 11(3), 658. (2021年3月8日)
    DOI: 10.3390/nano11030658
  16. Pyrolyzed Chitin Nanofiber Paper as a Three-Dimensional Porous and Defective Nanocarbon for Photosensing and Energy Storage
    Luting Zhu, Yintong Huang, Yoshitaka Morishita, Kojiro Uetani, Masaya Nogi, Hirotaka Koga
    J. Mater. Chem. C, 2021, 9(13), 4444−4452. (2021年3月26日)
    DOI: 10.1039/d0tc05799a
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  17. Irregular and Suppressed Elastic Deformation by a Structural Twist in Cellulose Nanofibre Models
    Kojiro Uetani, Takuya Uto, Nozomu Suzuki
    Sci. Rep. 2021, 11, 790. (2021年1月12日)
    DOI: 10.1038/s41598-020-80890-1
  18. Direct Determination of the Degree of Fibrillation of Wood Pulps by Distribution Analysis of Pixel-Resolved Optical Retardation
    Kojiro Uetani, Keitaro Kasuya, Hirotaka Koga, Masaya Nogi
    Carbohydr. Polym. 2021, 254, 117460.（2020年12月1日）
    DOI: 10.1016/j.carbpol.2020.117460
  19. High-Speed Fabrication of Clear Transparent Cellulose Nanopaper by Applying Humidity-Controlled Multi-Stage Drying Method
    Chenyang Li, Takaaki Kasuga, Kojiro Uetani, Hirotaka Koga, Masaya Nogi
    Nanomaterials, 2020, 10(11), 2194.（2020年11月4日）
    DOI: 10.3390/nano10112194
  20. Checkered films of multiaxis oriented nanocelluloses by liquid-phase three-dimensional patterning
    Kojiro Uetani, Hirotaka Koga, Masaya Nogi
    Nanomaterials 2020, 10(5), 958.（2020年5月18日）
    DOI: 10.3390/nano10050958
  21. Cellulose Paper Support with Dual-Layered Nano-Microstructures for Enhanced Plasmonic Photothermal Heating and Solar Vapor Generation
    Yintong Huang, Yoshitaka Morishita, Kojiro Uetani, Masaya Nogi, Hirotaka Koga
    Nanoscale Adv. 2020, 2, 2339−2346. (2020年4月22日）
    DOI: 10.1039/D0NA00163E
  22. Thermal Diffusivity Modulation Driven by the Interfacial Elastic Dynamics Between Cellulose Nanofibers
    Kojiro Uetani, Shogo Izakura, Hirotaka Koga, Masaya Nogi
    Nanoscale Adv. 2020, 2, 1024–1030.（2020年1月20日）
    DOI: 10.1039/C9NA00734B
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  23. “Return to the Soil” Nanopaper Sensor Device for Hyperdense Sensor Networks
    Takaaki Kasuga, Hitomi Yagyu, Kojiro Uetani, Hirotaka Koga, Masaya Nogi
    ACS Appl. Mater. Interfaces 2019, 11(46), 43488–43493. (2019年10月29日）
    DOI: 10.1021/acsami.9b13886
  24. Paper-based disposable molecular sensor constructed from oxide nanowires, cellulose nanofibers, and pencil-drawn electrodes
    Hirotaka Koga, Kazuki Nagashima, Yintong Huang, Guozhu Zhang, Chen Wang, Tsunaki Takahashi, Akihide Inoue, Hong Yang, Masaki Kanai, Yong He, Kojiro Uetani, Masaya Nogi, Takeshi Yanagida
    ACS Appl. Mater. Interfaces 2019, 11 (16), 15044–15050. (2019年4月3日）
    DOI: 10.1021/acsami.9b01287
  25. Estimation of the Intrinsic Birefringence of Cellulose Using Bacterial Cellulose Nanofiber Films
    Kojiro Uetani, Hirotaka Koga, Masaya Nogi
    ACS Macro Lett. 2019, 8(3), 250ｰ254. (2019年2月22日）
    DOI: 10.1021/acsmacrolett.9b00024
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  26. Self-Alignment Sequence of Colloidal Cellulose Nanofibers Induced by Evaporation from Aqueous Suspensions
    Kojiro Uetani, Shogo Izakura, Takaaki Kasuga, Hirotaka Koga, Masaya Nogi
    Colloids and Interfaces 2018, 2(4), 71. (2018年12月12日)
    DOI: 10.3390/colloids2040071
  27. Robust Nanofibrillated Cellulose Hydro/Aerogels from Benign Solution/Solvent Exchange Treatment
    Juanjuan Fan, Shinsuke Ifuku, Mengzhu Wang, Kojiro Uetani, Haiwei Liang, Haipeng Yu, Yongming Song, Xiaohe Li, Jiale Qi, Yiqun Zheng, Haigang Wang, Jing Shen, Xianquan Zhang, Qing Li, Shouxin Liu, Yixing Liu, Qingwen Wang, Jian Li, Ping Lu, Zhuangjun Fan, Wenshuai Chen
    ACS Sustainable Chem. Eng. 2018, 6(5), 6624ｰ6635. (2018年4月2日)
    DOI: 10.1021/acssuschemeng.8b00418
  28. Thermal conductivity analysis and applications of nanocellulose materials
    Kojiro Uetani, Kimihito Hatori
    Sci. Technol. Adv. Mater. 2017, 18(1), 877-892. (2017年11月3日）
    DOI: 10.1080/14686996.2017.1390692
  29. In-plane Anisotropic Thermally Conductive Nanopapers by Drawing Bacterial Cellulose Hydrogels
    Kojiro Uetani, Takumi Okada, Hideko T. Oyama
    ACS Macro Lett. 2017, 6(4), 345ｰ349.（2017年3月20日）
    DOI: 10.1021/acsmacrolett.7b00087
  30. Multifunctional Bionanocomposite Foams with a Chitosan Matrix Reinforced by Nanofibrillated Cellulose
    Yushu Wang, Kojiro Uetani, Shouxin Liu, Xianquan Zhang, Yucai Wang, Ping Lu, Tong Wei, Zhuangjun Fan, Jing Shen, Haipeng Yu, Shuya Li, Qi Zhang, Qing Li, Juanjuan Fan, Ningning Yang, Qingwen Wang, Yixing Liu, Jun Cao, Jian Li, Wenshuai Chen
    ChemNanoMat 2016, 3(2), 98ｰ108. (2016年11月1日)
    Cover Pictureに採択: ChemNanoMat 3(2) 74 (2017年1月)
    DOI: 10.1002/cnma.201600266
  31. Sustainable Carbon Aerogels Derived from Nanofibrillated Cellulose as High-Performance Absorption Materials
    Wenshuai Chen, Qi Zhang, Kojiro Uetani, Qing Li, Ping Lu, Jun Cao, Qingwen Wang, Yixing Liu, Jian Li, Zhichao Quan, Yongshi Zhang, Sifan Wang, Zhenyu Meng, Haipeng Yu
    Adv. Mater. Interfaces 2016, 3(10), 1600004. (2016年3月4日)
    Inside Front Coverに採択: Adv. Mater. Interfaces 3(10) (2016年5月)
    DOI: 10.1002/admi.201600004
  32. Thermally conductive and optically transparent flexible films with surface-exposed nanocellulose skeletons
    Kojiro Uetani, Takumi Okada, Hideko T. Oyama
    J. Mater. Chem. C 2016, 4(41), 9697ｰ9703. (2016年10月4日)
    DOI: 10.1039/C6TC03318K
  33. Crystallite Size Effect on Thermal Conductive Properties of Nonwoven Nanocellulose Sheets
    Kojiro Uetani, Takumi Okada, Hideko T. Oyama
    Biomacromolecules 2015, 16(7), 2220ｰ2227.（2015年7月2日）
    DOI: 10.1021/acs.biomac.5b00617
  34. Elastomeric Thermal Interface Materials with High Through-Plane Thermal Conductivity from Carbon Fiber Fillers Vertically Aligned by Electrostatic Flocking
    Kojiro Uetani, Seisuke Ata, Shigeki Tomonoh, Takeo Yamada, Motoo Yumura, Kenji Hata
    Adv. Mater. 2014, 26(33), 5857ｰ5862.（2014年7月8日）
    DOI: 10.1002/adma.201401736
  35. Hydrophilic interaction electrokinetic chromatography using bio-based nanofillers
    Takayuki Kawai, Masato Watanabe, Kojiro Uetani, Yudai Fukushima, Kenji Sueyoshi, Takuya Kubo, Fumihiko Kitagawa, Hiroyuki Yano, Koji Otsuka
    Electrophoresis 2014, 35(15), 2229ｰ2236.（2014年4月15日）
    DOI: 10.1002/elps.201300558
  36. Influence of drying method and precipitated salts on pyrolysis for nanocelluloses
    Kojiro Uetani, Yuta Watanabe, Kentaro Abe, Hiroyuki Yano
    Cellulose 2014, 21(3), 1631ｰ1639.（2014年3月20日）
    DOI: 10.1007/s10570-014-0242-2
  37. Individual cotton cellulose nanofibers: pretreatment and fibrillation technique
    Wenshuai Chen, Kentaro Abe, Kojiro Uetani, Haipeng Yu, Yixing Liu, Hiroyuki Yano
    Cellulose 2014, 21(3), 1517ｰ1528.（2014年1月31日）
    DOI: 10.1007/s10570-014-0172-z
  38. Self-organizing capacity of nanocelluloses via droplet evaporation
    Kojiro Uetani, Hiroyuki Yano
    Soft Matter 2013, 9(12), 3396ｰ3401.（2013年2月11日）
    DOI: 10.1039/C3SM27822K
  39. Semiquantitative Structural Analysis of Highly Anisotropic Cellulose Nanocolloids
    Kojiro Uetani, Hiroyuki Yano
    ACS Macro Lett. 2012, 1(6), 651ｰ655.（2012年5月8日）
    DOI: 10.1021/mz300109v
  40. Zeta Potential Time Dependence Reveals the Swelling Dynamics of Wood Cellulose Nanofibrils
    Kojiro Uetani, Hiroyuki Yano
    Langmuir 2011, 28(1), 818ｰ827.（2011年12月2日）
    DOI: 10.1021/la203404g
  41. Nanofibrillation of Wood Pulp Using a High-Speed Blender
    Kojiro Uetani, Hiroyuki Yano
    Biomacromolecules 2011, 12(2), 348ｰ353.（2010年12月29日）
    DOI: 10.1021/bm101103p
  42. Moisture Adsorption and Desorption Properties of Pelletized Zeolite and Its Efficacy as a Physical Barrier against Termites
    Yoshiyuki Yanase, Kojiro Uetani, Yoshihisa Fujii, Shogo Okumura
    J. Soc. Mater. Sci., Jpn 2009, 58(4), 304ｰ309.（2009年8月8日）
    DOI: 10.2472/jsms.58.304