論文・特許

2024年度
Stable Supercooling Formation of Guanidine Monohydrochloride-based Deep Eutectic Solvent Induced by Monosubstitution of Urea as Hydrogen Bond Donor
T. Umecky, R. Yamaguchi, S. Hashimoto, R. Wakimoto, H. Takeuchi
Physics and Chemistry of Liquids, accepted.
[DOI: ]

2023年度
Fine-tuning the Basicity of Deep Eutectic Solvents by Substituting Guanidine for Urea in Reline
T. Umecky, A. Goto, N. Hayashi, K. Eguchi
ACS Omega, 8(16), 14694-14698 (2023).
[DOI: 10.1021/acsomega.3c00706]

Effects of Structures of Lower Aliphatic Alcohols and Concentrations on CO2 Chemical Absorption and Desorption Reactions in Various Alcohol Solutions of 1,8-Diazabicyclo[5.4.0]undec-7-ene
T. Umecky, Y. Kamesaki, S. Tanaka, T. Takamuku, T. Makino, M. Kanakubo
Journal of Molecular Liquids, 390A, 123022 (2023).
[DOI: 10.1016/j.molliq.2023.123022]

深共晶溶媒の機能を調整するための分子置換－グアニジン塩酸塩と尿素からなる深共晶溶媒の官能基効果－
梅木辰也
熱測定, 51(1), 10-14 (2024).
[https://www.netsu.org/JSCTANetsuSokutei/?page_id=6464]

2022年度
Extraction of Platinum Hexachloride Anion Using Two Amido Hydrogen Atoms of Secondary Diamides with Different Spacer Length
K. Ohto, T. Sato, G. Pang, T. Umecky, S. Morisada, H. Kawakita
Chemistry Letters, 51(4), 399-401 (2022).
[DOI: 10.1246/cl.210827]

2021年度
Allosteric Extraction of a Second Gallium Anion Assisted by the First, Loaded onto a Fluorinated Secondary Amide Reagent
G. Pang, S. Morisada, H. Kawakita, T. Hanamoto, T. Umecky, K. Ohto, X.-M. Song
Separation and Purification Technology, 278, 119036 (2021).
[DOI: 10.1016/j.seppur.2021.119036]

2019年度
CO2 Absorption Features and Physicochemical Properties of 1-Ethyl-3-methylimidazolium Ionic Liquids with 2,4-Pentandionate and Its Fluorine Derivatives
T. Umecky, M. Abe, T. Takamuku, T. Makino, M. Kanakubo
Journal of CO2 Utilization, 31, 75-84 (2019).
[DOI: 110.1016/j.jcou.2019.02.020]

Possible Proton Conduction Mechanism in Pseudo-Protic Ionic Liquids: The Concept of Specific Proton Conduction
H. Watanabe, T. Umecky, N. Arai, A. Nazet, T. Takamuku, K. Harris, Y. Kameda, R. Buchner, Y. Umebayashi
Journal of Physical Chemistry B, J123 (29), 6244-6252 (2019).
[DOI: 110.1021/acs.jpcb.9b03185]

2017年度
Solvation Structure of 1,3-Butanediol in Aqueous Binary Solvents with Acetonitrile, 1,4-Dioxane, and Dimethyl Sulfoxide Studied by IR, NMR, and Molecular Dynamics Simulation
T. Takamuku, Y. Higuma, M. Matsugami, T. To, T. Umecky
Journal of Physical Chemistry B, 121 (18), 4864-4872 (2017).
[DOI: 10.1021/acs.jpcb.7b02202]

Complex Formation of Nickel(II) with Dimethyl Sulfoxide, Methanol, and Acetonitrile in a TFSA––based Ionic Liquid of [C2mim][TFSA]
Y. Kawazu, H. Hoke, Y. Yamada, T. Umecky, K. Ozutsumi, T. Takamuku
Physical Chemistry Chemical Physics, 19 (46), 31335-31344 (2017).
[DOI: 10.1039/C7CP06469A]

2016年度
Hydrogen Bonding in Ethanol-Water and Trifluoroethanol-Water Mixtures Studied by NMR and Molecular Dynamics Simulation
M. Matsugami, R. Yamamoto, T. Kumai,M. Tanaka, T. Umecky, T. Takamuku
Journal of Molecular Liquids, 217, 3-11 (2016).
[DOI: 10.1016/j.molliq.2015.06.050]

CO2 Solubility in and Physical Properties for Ionic Liquid Mixtures of 1-Butyl-3-methylimidazolium Acetate and 1-Butyl-3-methylimidazolium Bis(trifluoromethanesulfonyl)amide
M. Kanakubo, T. Makino, T. Umecky
Journal of Molecular Liquids, 217, 112-119 (2016).
[DOI: 10.1016/j.molliq.2016.02.018]

Solvent-Dependent Properties and Higher-Order Structures of Aryl Alcohols + Surfactant Molecular Gels
S. Katsube, M. Kinoshita, K. Amano, T. Sato, Y. Katsumoto, T. Umecky, T. Takamuku, T. Kaji, M. Hiramoto, Y. Tsurunaga, K. Nishiyama
Langmuir, 32 (17), 4352-4360 (2016).
[DOI: 10.1021/acs.langmuir.6b01109]

Effect of Partial Pressure on CO2 Solubility in Ionic Liquid Mixtures of 1-Butyl-3-methylimidazolium Acetate and 1-Butyl-3-methylimidazolium Bis(trifluoromethanesulfonyl)amide
M. Kanakubo, T. Makino, T. Umecky, M. Sakurai
Fluid Phase Equilibria, 420, 74-82 (2016).
[DOI: 10.1016/j.fluid.2016.01.034]

CO2 Absorption Properties and Mechanisms for 1-Ethyl-3-methylimidazolium Ether-functionalized Carboxylates
T. Makino, T. Umecky, M. Kanakubo
Industrial & Engineering Chemistry Research, 55 (50), 12949-12961 (2016).
[DOI: 10.1021/acs.iecr.6b03309]

Solvation Power of HFIP for the Hydrophilic and the Hydrophobic Moieties of L-leucine Studied by MD, IR, NMR Techniques
T. To, Y. Hatomoto, T. Umecky, T. Takamuku
Journal of Molecular Liquids, 230, 261-270 (2017).
[DOI: 10.1016/j.molliq.2017.01.018]