Effects of coexisting Na+ on the reentrant condensation of bovine serum albumin induced by Y3+ in aqueous media
Yusuke Sanada; Ryutaro Inoue; Takafumi Ise; Keisuke Watanabe; Yukiteru Katsumoto
Journal of Molecular Liquids, Feb. 2024, 396:123845 - 123845

Role of solvophilic moieties of gelators in the thermal stability of organogels
Katsura Nishiyama; Kei Ezaki; Kyohei Tsukada; Masaru Kinoshita; Keisuke Watanabe; Yukiteru Katsumoto
PHYSICAL CHEMISTRY CHEMICAL PHYSICS, Jan. 2023, 25(4):2776 - 2780

The Phase Behavior of a Mixture of the Ionic Liquids [C₈mim][AzoO] and [C₈mim][PF₆]
Chihiro Miura; Yusuke Sanada; Yukiteru Katsumoto; Keisuke Watanabe
Bulletin of the Chemical Society of Japan, 15 Nov. 2022, 95(11):1521 - 1531, Refereed
Last

熱履歴に依存するイオン液体の相挙動
Takahiko Nakamura; Keisuke Watanabe
Netsu, Dec. 2021, 48(1):12 - 16, Refereed

Very slow phase transition from the liquid to mesophase and the phase-coexistencein the ionic liquid [C8mim]BF4
Keisuke Watanabe; Tomomi Komai
Bulletin Chemical Society of Japan, 01 Feb. 2021, 94(2):508 - 512, Refereed
Lead

Effect of Molecular Weight on Cloud Point of Aqueous Solution of Poly (ethylene oxide)–Poly (propylene oxide) Alternating Multiblock Copolymer
Tasuku Horiuchi; Kazuaki Rikiyama; Kenji Sakanaya; Yusuke Sanada; Keisuke Watanabe; Misako Aida; Yukiteru Katsumoto
Journal of Oleo Science, 08 Feb. 2020, 69(5):449 - 453, Refereed

Unimer Structure and Micellization of Poly(ethylene oxide)-Stereocontrolled Poly(N-isopropylacrylamide) Alternating Multiblock Copolymers in Aqueous Solution
Kazuaki Rikiyama; Yusuke Sanada; Keisuke Watanabe; Misako Aida; Yukiteru Katsumoto
Macromolecules, 17 Sep. 2019, 52(19):7188 - 7196, Refereed

Slow Dynamics of Premelting Water Molecules Confined in a Hydrophilic Nanoporous Space
Yuki Ohata; Hajime Kamebuchi; Keisuke Watanabe; Takaya Kouchi; You Suzuki; Taku Imaizumi; Tomoaki Sugaya; Motohiro Mizuno; Makoto Tadokoro
Chemistry Select, 06 Jun. 2019, 4(21):6627 - 6633, Refereed

Relationship between the phase diagram and hysteresis in demixing and remixing for atactic and meso-rich Poly(N-isopropylacrylamide)s in water
HAMAMURA Kento; WATANABE Keisuke; SANADA Yusuke; Fumihiko Tanaka; KATSUMOTO Yukiteru
Polymer, 14 Jan. 2019, 161(14):92 - 100, Refereed

Multiple glass-transitions of globular protein BSA aqueous solutions depending on the hydration degree
Keisuke Watanabe; Kiyoshi Kawai; Atsushi Nagoe; Toru Suzuki; Masaharu Oguni
Bulletin of the Chemical Society of Japan, 11 Jan. 2019, 92(3):729 - 737, Refereed
Lead

Micellization of poly (ethylene oxide)-poly (propylene oxide) alternating multiblock copolymers in water
Kazuaki Rikiyama; Tasuku Horiuchi; Naoyuki Koga; Yusuke Sanada; Keisuke Watanabe; Misako Aida; Yukiteru Katsumoto
Polymer, 29 Sep. 2018, 156:102 - 110, Refereed

Association Behavior of Poly(ethylene oxide)–Poly(propylene oxide) Alternating Multiblock Copolymers in Water toward Thermally Induced Phase Separation
Tasuku Horiuchi; Takamasa Sakai; Yusuke Sanada; Keisuke Watanabe; Misako Aida; Yukiteru Katsumoto
LANGMUIR, Dec. 2017, 33(51):14649 - 14656, Refereed

Why does changing the cooling procedure change the taste of chocolate and the strength of glass?
渡辺啓介
Chemistry and Education, 20 Aug. 2017, 65(8):388 - 389, Refereed
Corresponding

ナノ細孔内における水の凍結現象
Keisuke Watanabe
Cryobiology and Cryotechnology, 01 Dec. 2016, 62(1):17 - 20, Refereed

多孔質シリカ細孔内における水の低温ダイナミクス
Keisuke Watanabe
Refrigeration, 15 Aug. 2015, 90(1054):3 - 8, Refereed

Low-Temperature Thermal Properties of Channel Water Confined in Nanopores with Hydrophilic Crystalline and Silica Non-Crystalline Walls
Keisuke Watanabe; Atsushi Nagoe; Masaharu Oguni
Current Inorganic Chemistry, 2014, 4(3):167 - 179, Refereed
Lead

Thermal Characteristics of Channel Water Confined in Nanopores with Crystalline Pore-Wall Structure in [M(H2bim)3](TMA)·nH2O
Keisuke Watanabe; Makoto Tadokoro; Masaharu Oguni
The Journal of Physical Chemistry C, Apr. 2012, 116:11768 - 11775, Refereed

Ordering and Freezing-in Phenomena of Nanochannel Water in Crystalline Organic/Inorganic Self-Assembled Complex [Cr(H(2)bim)(3)](TMA)center dot 23.5H(2)O
Keisuke Watanabe; Masaharu Oguni; Makoto Tadokoro; Chiho Kobayashi
JOURNAL OF PHYSICAL CHEMISTRY B, Oct. 2009, 113(43):14323 - 14328, Refereed
Lead

Ordering and glass-transition behaviors of the water confined between the silicate layers in Na(H)-RUB-18
Keisuke Watanabe; Masaharu Oguni
AIP Conference Proceedings: COMPLEX SYSTEMS: 5th International Workshop on Complex Systems, 2008, 982:189 - 191, Refereed

Calorimetric Finding of Phase and Glass Transitions Concerning Ordering of the Water Located between the Silicate Layers of the Clay Na-Rub-18
K. Watanabe; M. Oguni
Bulletin Chemical Society of Japan, Sep. 2007, 80(9):1758 - 1763

水のガラス化技法とガラス転移温度
渡辺 啓介; 小國 正晴
冷凍, Nov. 2006, 81(949):8 - 12

Structural ordering and ice-like glass transition on cooling the nano-channel water formed within a crystalline framework
Keisuke Watanabe; Masaharu Oguni; Makoto Tadokoro; Ryouhei Nakamura
JOURNAL OF PHYSICS-CONDENSED MATTER, Oct. 2006, 18(41):9375 - 9384

Glass transition on the development of a hydrogen-bond network in nano-channel ice, and subsequent phase transitions of the ordering of hydrogen atom positions within the network in [Co(H₂bim)₃] (TMA)･20H₂O
Keisuke Watanabe; Masaharu Oguni; Makoto Tadokoro; Yuki Oohata; Ryouhei Nakamura
JOURNAL OF PHYSICS-CONDENSED MATTER, Sep. 2006, 18(37):8427 - 8436

Phase coexistence observed in phosphonium-based and imidazolium based ionic liquids: influence of thermal history and water content
Yuto Teruyama; Chihiro, Miura; Yusuke Sanada; Yukiteru Katsumoto; Keisuke Watanabe
Fukuoka university science reports, May 2023, 53:29 - 35, Refereed
Last

イオン液体(Cnmim)BF4(n=4, 6, and 8)の誘電的性質
Keisuke Watanabe; Takuya Kuroki; Keishi Negita
Fukuoka University science reports, Nov. 2013, 43(1):51 - 57, Refereed
Lead

貨幣の謎 : 新型コロナウイルスから解明する
山崎, 好裕; 五十嵐, 寧史; 平井, 靖史; 渡辺, 啓介; 倉岡, 功
中央経済社,中央経済グループパブリッシング (発売), Oct. 2023
9784502472510

Dependence of the alkyl chain length and thermal history on the phase behavior of phosphonium-based ionic liquids
Teruyama Yuto; Watanabe Keisuke; Sanada Yusuke; Katsumoto Yukiteru
26th IUPAC International Conference on Chemical Thermodynamics, 03 Aug. 2023

Relationship between phase behavior and thermal history in ionic liquid [C4mim][PF6]
K. Watanabe; H. Seo; A. Goto(Kojima; N. Takuma; Y. Yamada; Y. Sanada; Y. Katsumoto
16th Mediterranean Conference on Calorimetry and Thermal Analysis, 21 Jul. 2023

Coexistence of ordered and disordered phases in phosphonium-based ionic liquids
Teruyama Yuto; Watanabe Keisuke; Sanada Yusuke; Katsumoto Yukiteru
38th International Conference on Solution Chemistry, 09 Jul. 2023

大きなテトラアルキルホスホニウムをカチ オンとするイオン液体[P444n][Br] (n=6,8,12)の相挙動
照山 友登; 渡辺 啓介; 真田 雄介; 勝本 之晶
第 12 回イオン液体討論会プログラム, 24 Nov. 2022

Phase transition behavior of the ionic liquid / ionic crystal mixture having 1-octyl-3-methylimidazolium as a common cation
Chihiro MIURA; Keisuke WATANABE; Yukiteru KATSUMOTO
溶液化学シンポジウム, 28 Oct. 2021

Raspberry pi を用いたDTA 開発−データのクラウド化，視覚化，遠隔操作
山下 公誠; 田中 竜輝; 渡辺 啓介; 真田 雄介; 吉田 亨次; 勝本 之晶
第57回熱測定討論会, 27 Oct. 2021

1-Octyl-3-methylimidazolium 4-phenylazophenolateの相転移に対する共存イオン液体の影響
三浦 千尋; 渡辺 啓介; 勝本 之晶
第57回熱測定討論会, 27 Oct. 2021

The nucleation and phase growth of ionic liquids
Keisuke Watanabe
第9回 次世代の物質科学・ナノサイエンスを探る, 10 Jan. 2020

熱履歴に伴うイオン液体 C4mimPF6 の相挙動
渡辺 啓介; 後藤 瑛; 瀬尾 洋充; 勝本之晶; 祢宜田 啓史
第 55 回熱測定討論会, 24 Oct. 2019, 日本熱測定学会

中速昇温下で観測されるイオン液体の誘電異常
中村 天彦; 高松 卓也; 渡辺 啓介; 祢宜田 啓史
第 55 回熱測定討論会, 24 Oct. 2019, 日本熱測定学会

Thermal and spectroscopic study to investigate the effect of the thermal history on the phase behavior of the ionic liquid (C4mim)PF6
Keisuke Watanabe; Akira Kojima; Yuji Yamada; Yukiteru Katsumoto; Keishi Negita
2nd Journal of Thermal Analysis and Calorimetry Conference, 18 Jun. 2019, Krisztina Moricz

Dielectric anomaly of ionic liquid, (C8mim)BF4, observed on stepwise heating: equilibrium time dependence
Takahiko Nakamura; Takuya Takamatsu; Keisuke Watanabe; Keishi Negita
2nd Journal of Thermal Analysis and Calorimetry Conference, 18 Jun. 2019, Krisztina Moricz

DTA and IR to investigate the phase behavior and molecular interaction of ionic liquid (C4mim)PF6
Keisuke Watanabe
International Symposium of Structural Thermodynamics for Young Thermodynamicists: ISST-YT, 23 Jun. 2017

Nucleation and phase growth of ionic liquid crystal (C8mim)BF4
Keisuke Watanabe
8th. International Discussion Meeting on Relaxations in Complex Systems, 23 Jun. 2017

ナノ細孔内における水の凍結現象
渡辺 啓介
Japan Society for Cryobiology and Cryotechnology, 30 May 2015, Kazuhito KAJIWARA

Annealing effect of the ordering behavior in the ionic liquid (C8mim)BF4
Keisuke Watanabe
The International Symposium on Structural Thermodynamics 2014, 27 Sep. 2014, Japan Society of Calorimetry and Thermal Analysis

Thermal behaviors of water confined within 2-D porous silica
Keisuke WATANABE; Yasuhiro KANKE
7th. International Discussion Meeting on Relaxations in Complex Systems., 21 Jul. 2013

Observation of the dynamics in ionic liquids (Cnmim)BF4 (n = 4,6,8) by dielectric spectroscopy
Keisuke WATANABA; Takuya KUROKI; Akihiko NIMONJI; Keishi NEGITA
7th. International Discussion Meeting on Relaxations in Complex Systems., 21 Jul. 2013

Phase behavior and dielectric property of ionic liquid (C8mim)BF4
Keisuke WATANABE; Akihiko NIMONJI; Keishi NEGITA
33rd International Conference on Solution Chemistry, 07 Jul. 2013

Calorimetric Observation of Fusion and Glass –Transition phenomena of the water confined within porous silica: Effects of pore size and pore morphology
Keisuke Watanabe; Yasuhiro Kanke
International Association of Colloid and Interface Scientists, Conference 2012, 13 May 2012

Calorimetric Observation of Fusion and Glass –Transition phenomena of the water confined within porous silica: Effects of pore size and pore morphology
Keisuke Watanabe; Yasuhiro Kanke
International Association of Colloid and Interface Scientists, Conference 2012, 13 May 2012

誘電緩和測定によるイオン液体(Cnmim)BF4の凝集状態とダイナミクスの観察
Keisuke Watanabe
東京工業大学化学専攻・物質化学専攻大学院講義ー第３回最先端計測コロキウム, 10 Feb. 2012

シリカ細孔水の融解およびガラス転移挙動
Keisuke Watanabe; Yasuhiro Kanke
The 63th Divisional Meeting n Colloid and Surface Chemistry, the Chemical Society of Japan, 15 Sep. 2011

ナノ空間水の秩序化とダイナミクスに与える，細孔構造，サイズと空間形状に与える影響
東京理科大学界面科学研究センターシンポジウム「ナノ空間の水と界面科学」, 27 Nov. 2010

Thermal behaviors of the water confined within silica pores: the effects of the pore size and morphology
Keisuke Watanabe; Masaharu Oguni
2nd International Symposium on Structural Thermodynamics, 08 Aug. 2010

Fusion and glass-transition behaviors of the water confined within 2-D silica pores as compared with 1-D pores
Keisuke Watanabe
21st IUPAC International Conference on Chemical Thermodynamics, 01 Aug. 2010

Hydrogen-bond stabilization and dynamical freezing-in properties of 1-D nano-channel water within crystalline framework and 2-D nano-layer water within lamellar mesoporous silica
K. Watanabe; M. Tadokoro; M. Oguni
5th Japan-France Symposium on Molecular Materials:Electronics, Photonics and Spintronics, Renne, 25 Oct. 2009

The size effect of the water hydrogen-bond network ordering and the glass transition in nano porous crystals.
K. Watanabe; M. Tadokoro; M. Oguni
6th International Discussion Meeting on Relaxations in Complex Systems, Rome, 30 Aug. 2009

The ordering and freezing-in phenomena in the arrangement of the water molecules confined in 1-D channel with crystalline wall
K. Watanabe; M. Tadokoro; M. Oguni
4th International Symposium on the New Frontiers of Thermal Studies of Materials, Yokohama, 30 Nov. 2008

The ordering and glass- transition behaviors of the water confined between the silicate layers in Na(H)- RUB-18
K. Watanabe; M. Oguni
5th International Workshop on Complex Systems, Sendai, 25 Sep. 2007

Innovation for a Sustainable Society
99 Apr. 2023
Fukuoka University

Chemistry project-based research
99 Apr. 2023
Fukuoka University

Fundamental physical chemistry experiment
99 Apr. 2010
Fukuoka University

Fundamenta chemistry excercise
99 Apr. 2010
Fukuoka University

General chemistry experiment
99 Apr. 2010
Fukuoka University

Chemical mathmatics A
20 Apr. 2010
Fukuoka University

Chemistry I
20 Apr. 2010
Fukuoka University

Physical chemistry D
20 Apr. 2010
Fukuoka University

The Chemical Society of Japan

The Japan Society of Calorimetry and Thermal Analysis

The Physical Society of Japan

熱履歴に依存するイオン液体の相挙動：誘電緩和法を用いた現象論的アプローチ
JST, JSPS, KIBAN C
Fukuoka university
Apr. 2023 - Mar. 2026

クラスターとその成長過程
福岡大学, 領域別研究
福岡大学
Apr. 2013 - Mar. 2015

複雑流体の新規機能探索
Fukuoka university, 領域別研究
福岡大学
Apr. 2010 - Mar. 2013

制限ナノ空間水における水素結合ネットワークの発達と,低温安定構造及びダイナミクス
JSPS, 科研費, 特別研究員奨励費DC2
東京工業大学
Apr. 2008 - Mar. 2010

福岡大学イルミネーション コーヒー試飲会 第四弾(2023.12.22)
others
22 Dec. 2023, 22 Dec. 2023

福岡大学イルミネーション コーヒー試飲会 第一弾(2023.12.8)
others
08 Dec. 2023, 08 Dec. 2023

福岡市城南区主催 油山トレッキング コーヒー無料提供
others
福岡市城南区, 27 Nov. 2023, 27 Nov. 2023

福岡大学イルミネーション コーヒー試飲会 第三弾(2023.11.17)
others
17 Nov. 2023, 17 Nov. 2023

福岡大学イルミネーション コーヒー試飲会 第一弾(2023.10.13)
others
福岡大学, 13 Oct. 2023, 13 Oct. 2023