研究論文(査読付SCI論文のみ記載）

*: Corresponding author

2025

  • Yuya Hiraga *, Ikuo Ushiki *,
    "Modeling of ionic liquid solubility in supercritical carbon dioxide + co-solvent phase predicted by ε*-modified Sanchez-Lacombe equation of state",
    Fluid Phase Equilib., 594, 114417 (2025).
    https://doi.org/10.1016/j.fluid.2025.114417
  • Kairi Yamamoto, Ikuo Ushiki *,
    "Impregnation of non-steroidal anti-inflammatory drugs (ibuprofen and ketoprofen) onto mesoporous silica SBA-15 using supercritical CO2",
    J. CO2. Util., 92, 103022     (2025).
    https://doi.org/10.1016/j.jcou.2025.103022
  • Ikuo Ushiki *, Mizuki Hironaka
    "Quantitative Understanding of the Adsorption Equilibria of Acetone on Mesoporous Silica MSU-H in Supercritical CO2",
    J. Chem. Eng. Jpn., 58(1), 2457390 (2025).
    https://doi.org/10.1080/00219592.2025.2457390
  • Ikuo Ushiki *, Haruna Oka, Mizuki Hironaka, Hiromu Tsuji
    "Preparation of mesoporous silica materials MCM-41 and SBA-15 using a template extraction method with supercritical CO2",
    Kagaku Kogaku Ronbunshu, 51(3), 58(2025).
    https://doi.org/10.1252/kakoronbunshu.51.58


2024

  • Ikuo Ushiki *, Yuto Tahara,
    "Equilibrium adsorption of diethyl ketone on activated carbon in a supercritical CO2 environment: Measurements and thermodynamic modeling",
    J. CO2. Util., 84, 102857 (2024).
    https://doi.org/10.1016/j.jcou.2024.102857
  • Ikuo Ushiki *, Eisuke Matsumoto,
    "Adsorption Equilibrium Data of Hexyl Acetate on Activated Carbon under Supercritical CO2 Conditions",
    J. Chem. Eng. Data, 69(8), 2878-2885 (2024).
    https://doi.org/10.1021/acs.jced.4c00132
  • Yuya Hiraga *, Ikuo Ushiki *,
    "Prediction of ionic liquid solubilities in supercritical CO2 + co-solvent systems using Peng–Robinson equation of state with accurate critical temperature",
    J. Mol. Liq., 398, 124324 (2024).
    https://doi.org/10.1016/j.molliq.2024.124324

2023

  • Yuto Tahara, Mahmoud Magdy Azim, Shigeki Takishima, Ikuo Ushiki *,
    "Measurement and modeling of adsorption equilibria of ketone VOCs on activated carbon in supercritical CO2",
    J. Supercrit. Fluids, 203, 106079 (2023).
    https://doi.org/10.1016/j.supflu.2023.106079
  • Eisuke Matsumoto, Mahmoud Magdy Azim, Shigeki Takishima, Ikuo Ushiki *,
    "Adsorption Equilibria of Propyl Acetate on Activated Carbon Under Supercritical CO2 Conditions",
    J. Chem. Eng. Jpn., 56(1), 2256366 (2023).
    https://doi.org/10.1080/00219592.2023.2256366
  • Ikuo Ushiki *, Ryo Fujimitsu, Shigeki Takishima,
    "Modeling the Solubility of Ferrocene in Supercritical CO2 via PC-SAFT Using Solubilities Data Measured in Organic Solvents",
    J. Chem. Eng. Jpn., 56(1), 2236655 (2023).
    https://doi.org/10.1080/00219592.2023.2236655
  • Ikuo Ushiki *, Azusa Miyajima, Ryo Fujimitsu, Shigeki Takishima,
    "Modeling cobalt (III) acetylacetonate and iron (III) acetylacetonate solubilities in supercritical CO2 with PC-SAFT based on experimentally-determined solid–liquid equilibria in organic solvents",
    J. Supercrit. Fluids, 196, 105882 (2023).
    https://doi.org/10.1016/j.supflu.2023.105882
  • Ikuo Ushiki *, Saki Ota, Shin-ichi Kihara, Shigeki Takishima *,
    "CO2 solubility and diffusivity in poly(vinyl acetate) studied using the PC-SAFT and free volume theory",
    J. Supercrit. Fluids, 194, 105836 (2023).
    https://doi.org/10.1016/j.supflu.2022.105836

2022

  • Ikuo Ushiki *, Yuji Ueno, Shigeki Takishima, Yasuyuki Ito, Hiroshi Inomata,
    "Adsorption equilibria of ester VOCs (ethyl and butyl acetates) on activated carbon in supercritical CO2: Measurement and modeling by the Dubinin–Astakhov equation ",
    J. Supercrit. Fluids, 189, 105719 (2022).
    https://doi.org/10.1016/j.supflu.2022.105719
  • Mahmoud Magdy Azim, Ikuo Ushiki *, Azusa Miyajima, Shigeki Takishima,
    "Estimating the solubility of salsalate in supercritical CO2 via PC-SAFT modeling using its experimental solubility data in organic solvents ",
    J. Supercrit. Fluids, 189, 105725 (2022).
    https://doi.org/10.1016/j.supflu.2022.105725
  • Mahmoud Magdy Azim, Ikuo Ushiki *, Azusa Miyajima, Shigeki Takishima,
    "Modeling the solubility of non-steroidal anti-inflammatory drugs (ibuprofen and ketoprofen) in supercritical CO2 using PC-SAFT",
    J. Supercrit. Fluids, 186, 105626 (2022).
    https://doi.org/10.1016/j.supflu.2022.105626
  • Ikuo Ushiki *, Hirotaka Kawashima, Shin-ichi Kihara, Shigeki Takishima *,
    "Solubility and diffusivity of supercritical CO2 for polycaprolactone in its molten state: Measurement and modeling using PC-SAFT and free volume theory",
    J. Supercrit. Fluids, 181, 105499 (2022).
    https://doi.org/10.1016/j.supflu.2021.1054993

2020

  • Ikuo Ushiki *, Hiromu Tsuji, Shigeki Takishima, Yasuyuki Ito, Hiroshi Inomata
    "Desorption of propylene glycol monomethyl ether acetate from activated carbon in supercritical CO2: Measurement and predictive modeling",
    J. Supercrit. Fluids, 166, 105018 (2020).
    https://doi.org/10.1016/j.supflu.2020.105018
  • Ikuo Ushiki *, Ryo Fujimitsu, Shigeki Takishima,
    "Predicting the solubilities of metal acetylacetonates in supercritical CO2: Thermodynamic approach using PC-SAFT",
    J. Supercrit. Fluids, 164, 104909 (2020).
    https://doi.org/10.1016/j.supflu.2020.104909
  • Ikuo Ushiki *, Hiromu Tsuji, Shigeki Takishima, Yasuyuki Ito, Yoshiyuki Sato, Hiroshi Inomata,
    "Measurement and correlation of adsorption equilibria of propylene glycol monomethyl ether acetate on activated carbon in the presence of supercritical carbon dioxide",
    Fluid Phase Equilib., 513, 112556 (2020).
    https://doi.org/10.1016/j.fluid.2020.112556
  • Ikuo Ushiki, Yuki Yoshino, Souta Hayashi, Shin-ichi Kihara, Shigeki Takishima *,
    "Measurement and modeling of solubilities and diffusion coefficients of carbon dioxide in poly(ethylene-co-acrylic acid)",
    J. Supercrit. Fluids, 158, 104733 (2020).
    https://doi.org/10.1016/j.supflu.2019.104733

2019

  • Ikuo Ushiki, Souta Hayashi, Shin-ichi Kihara, Shigeki Takishima *,
    "Solubilities and diffusion coefficients of carbon dioxide and nitrogen in poly(methyl methacrylate) at high temperatures and pressures",
    J. Supercrit. Fluids, 152, 104565 (2019).
    https://doi.org/10.1016/j.supflu.2019.104565
  • Ikuo Ushiki *, Yoshiyuki Sato, Shigeki Takishima, Hiroshi Inomata,
    "Thermodynamic modeling of the solubility of acetylacetonate-type metal precursors in supercritical carbon dioxide using the PC-SAFT equation of state",
    J. Chem. Eng. Jpn., 52(3), 243-252 (2019).
    https://doi.org/10.1252/jcej.18we194
  • Yasuyuki Ito *, Ikuo Ushiki, Yoshiyuki Sato, Hiroshi Inomata,
    "Influence of Heat Treatment in Exhaust Treatment Process on Activated Carbon Regeneration using Supercritical Carbon Dioxide",
    Kagaku Kogaku Ronbunshu, 45(3), 133-139 (2019).
    https://doi.org/10.1252/kakoronbunshu.45.133
  • Ikuo Ushiki *, Yoshiyuki Sato, Yasuyuki Ito, Shigeki Takishima, Hiroshi Inomata,
    "A generalized model for predicting adsorption equilibria of various volatile organic compounds on activated carbon in the presence of supercritical carbon dioxide",
    J. Supercrit. Fluids, 146, 30-37 (2019).
    https://doi.org/10.1016/j.supflu.2019.01.005
  • Yasuyuki Ito *, Ikuo Ushiki, Yoshiyuki Sato, Hiroshi Inomata,
    "Supercritical Carbon Dioxide Regeneration of Activated Carbon for Exhaust Processing",
    Kagaku Kogaku Ronbunshu, 45(1), 29-34 (2019).
    https://doi.org/10.1252/kakoronbunshu.45.29

2018

  • Ikuo Ushiki *, Mio Koike, Taichi Shimizu, Yoshiyuki Sato, Shigeki Takishima, Hiroshi Inomata **,
    "Measurement and modeling of adsorption equilibria of cobalt (III) acetylacetonate on MCM-41 mesoporous silica in the presence of supercritical carbon dioxide with methanol co-solvent",
    J. Supercrit. Fluids, 140, 329-335 (2018).
    https://doi.org/10.1016/j.supflu.2018.06.015
  • Ikuo Ushiki *, Koichi Kikuchi, Yoshiyuki Sato, Yasuyuki Ito, Shigeki Takishima, Hiroshi Inomata **,
    "Adsorption equilibria of VOCs (n-octane, propylene glycol monomethyl ether, ethanol, and 2-propanol) on activated carbon under supercritical carbon dioxide conditions",
    Fluid Phase Equilib., 462, 59-64 (2018).
    https://doi.org/10.1016/j.fluid.2018.01.027
  • Ikuo Ushiki *, Naoto Takahashi, Mio Koike, Yoshiyuki Sato, Shigeki Takishima, Hiroshi Inomata,
    "Adsorption kinetics of rhodium (III) acetylacetonate onto mesoporous silica adsorbents in the presence of supercritical carbon dioxide",
    J. Supercrit. Fluids, 135, 137-144 (2018).
    https://doi.org/10.1016/j.supflu.2018.01.017