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1. M. Kunori, H. Tokuyama,
   Development of a polyethyleneimine/poly(N-isopropylacrylamide) semi-IPN hydrogel for use in the temperature-swing adsorption and selective desorption of hydrophobic organic compounds,
   Journal of the Taiwan Institute of Chemical Engineers, 156, 105331(7 pages) (2024)
   
   
2. H. Tokuyama, H. Suzuki, A. Terada, H. Ohashi,
   Preparation of a poly(2-acrylamido-2-methyl-1-propanesulfonic acid)-grafted polyurethane sponge using atmospheric pressure plasma-induced graft polymerization and its catalytic properties for the acetalization of glycerol to solketal,
   Reactive & Functional Polymers, 191, 105697(6 pages)(2023)
   
3. H. Tokuyama, R. Iriki, M. Kubota,
   Thermosensitive shape-memory poly(stearyl acrylate-co-methoxy poly(ethylene glycol) acrylate) hydrogels,
   Gels, 9(1), 54(7 pages)(2023)
   
   
4. M. Kubota, R. Nakai, S. Yamashita, H. Kita, H. Tokuyama,
   Water vapor adsorption behavior of thermosensitive polymers for desiccant humidity control systems,
   ISIJ International, 62, 2536-2541 (2022)
   
5. H. Tokuyama, M. Hamazaki, M. Kubota,
   Temperature-swing adsorption of 4-isopropylphenol and bisphenol A onto a poly(N-isopropylacrylamide)/silica gel composite,
   Materials Today Communications, 33, 104755(6 pages)(2022)
   
6. Y. Seida, H. Tokuyama,
   Hydrogel adsorbents for the removal of hazardous pollutants-requirements and available functions as adsorbent,
   Gels, 8, 220(23 pages)(2022)
   
7. H. Tokuyama, R. Hamaguchi,
   TiO2 nanoparticle-loaded poly(NIPA-co-NMA) fiber web for the adsorption and photocatalytic degradation of 4-isopropylphenol,
   Gels, 8, 137(10 pages)(2022)
   
8. Mohd Syahlan Mohd Syukri, Zurina Mohamad, Roshanida A. Rahman, Rosli Md Illias, H. Tokuyama,
   Surface and stability analysis of immobilized laccase on poly(ethylene terephthalate) grafted maleic anhydride nanofiber mat,
   Journal of Chemical Technology & Biotechnology, 97, 140-146 (2022)
   
   
9. G. Kato, H. Doi, H. Ohashi, H. Tokuyama,
   Effect of structural features of polymer gels containing Au nanoparticles on their catalytic properties,
   Journal of Chemical Engineering of Japan, 54, 648-656 (2021)
   
10. H. Tokuyama, R. Aoyagi, K. Fujita, Y. Maekawa, S. Riya,
    Ethanol fermentation using macroporous monolithic hydrogels as yeast cell scaffolds,
    Reactive & Functional Polymers,169, 105075(7 pages)(2021)
    
11. H. Tokuyama, H. Ohno, T. Fujita,
    Effect of polymer matrices of gels bearing a sulfo group on their catalytic properties for acetalization of glycerol to solketal and esterification of oleic acid to ethyl oleate,
    Reactive & Functional Polymers, 165, 104943(6 pages)(2021)
    
12. Noor Azwani Mohd Rasidek, Mariam Firdhaus Mad Nordin, H. Tokuyama,Y. Nagatsu, Norlisa Mili, Master; Ahmad Syahmi Zaini, Master; Zuhaili Idham, Master; Mohd Azizi Che Yunus,
    Subcritical water-based pectin from banana peels (Musa Paradisiaca Cv.Tanduk) as a natural gelation agent,
    Materials Today: Proceedings, 47, 1329-1335(2021)
    
13. H. Tokuyama, H. Mori, R. Hamaguchi, G. Kato,
    Prediction of the lower critical solution temperature of poly(N-isopropylacrylamide-co-methoxy triethyleneglycol acrylate) in aqueous salt solutions using support vector regression,
    Chemical Engineering Science, 231, 116325(7 pages)(2021)
    
    
14. R. Aoyagi, A. Terada, H. Tokuyama,
    Oxygen diffusivity and reaction rate in spherical gel entrapping ammonia-oxidizing bacteria,
    Biochemical Engineering Journal, 164, 107788(7 pages)(2020)
    
15. H. Tokuyama, S. Ishikawa, M. Onodera, A. Saito,
    Preparation of Pd-loaded gels bearing a thiol group and their catalytic activities in the Suzuki-Miyaura cross-coupling reaction,
    Materials Today Communications, 24, 101084(6 pages)(2020)
    
16. Mohd Syahlan Mohd Syukri, Roshanida Abd Rahman, Zurina Mohamad, Nik Azmi Nik Mahmood, Rosli Md Illias, H. Tokuyama,
    Laccase Immobilisation on Poly(ethylene) Terephthalate Grafted with Maleic Anhydride (PET-g-MAH) Nanofiber Mat,
    Chemical Engineering Transactions, 78, 37-42 (2020)
    
17. M. Kubota, T. Mochizuki, S. Yamashita, H. Kita, H. Tokuyama,
    Water vapor adsorption on poly(N-isopropylacrylamide) gel cross-linked with N,N'-methylenebisacrylamide,
    Materials Today Communications, 22, 100804(7 pages)(2020)
    
18. H. Tokuyama, Y. Nakahata, T. Ban,
    Diffusion coefficient of solute in heterogeneous and macroporous hydrogels and its correlation with the effective crosslinking density,
    Journal of Membrane Science, 595, 117533(8 pages)(2020)
    
19. H. Tokuyama, E. Kitamura, Y. Seida,
    Development of zirconia nanoparticle-loaded hydrogel for arsenic adsorption and sensing,
    Reactive & Functional Polymers, 146, 104427(5 pages)(2020)
    
    
20. T. Ban, M. Sugiyama, Y. Nagatsu, H. Tokuyama,
    Motion-based detection of lanthanides (III) using self-propelled droplets,
    The Journal of Physical Chemistry B, 122, 10647-10651 (2018)
    
21. N.A.M. Rasidek, M.F.M. Nordin, K. Iwamoto, N.A. Rahman, Y. Nagatsu, H. Tokuyama,
    Rheological flow models of banana peel pectin jellies as affected by sugar concentration,
    International Journal of Food Properties, 21, 2087-2099 (2018)
    
22. N.A.M. Rasidek, M.F.M. Nordin, Y.A. Yusof, H. Tokuyama, Y. Nagatsu,
    Effect of temperature on rheology behaviour of banana peel pectin extracted using hot compressed water,
    Jurnal Teknologi, 80:3, 97-103 (2018)
    
23. ?????x?l, ?????????, ???R?p??,
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    ???w?H?w?_???W, 44, 185-188 (2018)
    
24. H. Tokuyama, A. Naito, G. Kato,
    Transesterification of triolein with ethanol using lipase-entrapped NIPA-co-PEGMEA gel beads,
    Reactive & Functional Polymers, 126, 83-86 (2018)
    
25. T. Suenaga, R. Aoyagi, N. Sakamoto, S. Riya, H. Ohashi, M. Hosomi, H. Tokuyama, A. Terada,
    Immobilization of Azospira sp. strain I13 by gel entrapment for mitigation of N2O from biological wastewater treatment plants: Biokinetic characterization and modeling,
    Journal of Bioscience and Bioengineering, 126, 213-219 (2018)
    
26. H. Tokuyama, Y. Nakahata, R. Sato, Y. Nagatsu, T. Ban,
    Mechanical and metal adsorption properties of emulsion gel adsorbents composed of PEGDA-co-PEG hydrogels and tri-n-octylamine,
    Polymer Bulletin, 75, 1597-1606 (2018)
    
27. R. Aoyagi, R. Sato, A. Terada, H. Tokuyama,
    Novel composite gel beads for the immobilization of ammonia-oxidizing bacteria: Fabrication, characterization, and biokinetic analysis,
    Chemical Engineering Journal, 342, 260-265 (2018)
    
    
28. T. Ban, M. Kaji, Y. Nagatsu, H. Tokuyama,
    Propagating precipitation waves in disordered media,
    ACS OMEGA, 2, 8027-8032 (2017)
    
29. G. Kato, T. Ban, H. Tokuyama,
    Pd(II) ion adsorption onto emulsion gel beads in a fixed bed,
    Separation Science and Technology, 52(15), 2415-2420 (2017)
    
30. H. Tokuyama, M. Onodera, T. Ban,
    Selective temperature-swing adsorption of Pd(II) ions onto a poly(N-isopropylacrylamide-co-allyl mercaptan) gel,
    Separation and Purification Technology, 182, 166-170 (2017)
    
    
31. R. Sato, H. Tokuyama,
    Fabrication of enzyme-entrapped composite and macroporous gel beads by suspension gelation combined with sedimentation polymerization,
    Biochemical Engineering Journal, 113, 152-157 (2016)
    
32. T. Ban, Y. Nagatsu, H. Tokuyama,
    Propagation Properties of the Precipitation Band in an AlCl3/NaOH System,
    Langmuir, 32, 604-610 (2016)
    
33. H. Tokuyama, E. Kitamura, Y. Seida,
    Detection of Au(III) ions using a poly(N,N-dimethylacrylamide)-coated QCM sensor,
    TALANTA, 146, 507-509 (2016)
    
34. R. Sato, H. Tokuyama,
    In situ enzyme entrapments in macroporous polymeric organogels using a water-in-oil emulsion-gelation method for reactions in organic media,
    Journal of Chemical Engineering of Japan, 49(1), 48-51 (2016)
    
    
35. H. Tokuyama, A. Katsuno, I.W. Lenggoro, R. Kanazawa,
    Preparation of poly(N-isopropylacrylamide) hydrogel beads by sedimentation polymerization combined with electrostatic atomization,
    Polymer Bulletin, 72, 1603-1610 (2015)
36. R. Sato, R. Noma, H. Tokuyama,
    Preparation of macroporous poly(N-isopropylacrylamide) hydrogels using a suspension-gelation method,
    European Polymer Journal, 66, 91-97 (2015)
37. R. Sato, A. Sato, H. Tokuyama,
    Fabrication of amphiphilic copolymeric gels with enhanced activity of immobilized enzymes in organic media,
    Journal of Applied Polymer Science, 132, 41905(5 pages) (2015)
    
    
38. H. Tokuyama, G. Kato,
    Temperature-swing adsorption process of Au(III) ions using poly(N-isopropylacrylamide) hydrogel beads prepared by sedimentation polymerization combined with two-fluid atomization,
    Industrial & Engineering Chemistry Research, 53, 8215-8220 (2014)
    
39. R. Sato, T. Kawakami, H. Tokuyama,
    Preparation of polymeric macroporous hydrogels for the immobilization of enzymes using an emulsion-gelation method,
    Reactive & Functional Polymers, 76, 8-12 (2014)
    
    
40. H. Tokuyama, T. Yoshida,
    Emulsion gel beads prepared by sedimentation polymerization using two-fluid atomization and their Pd(II) ion adsorption properties,
    Reactive & Functional Polymers, 73, 550-554 (2013)
    
    
41. R. Kanazawa, A. Sasaki, H. Tokuyama,
    Preparation of dual temperature/pH-sensitive polyampholyte gels and their protein adsorption behaviors,
    Separation and Purification Technology, 96, 26-32 (2012)
    
    
42. H. Tokuyama, T. Yoshida, L. He,
    Preparation of novel emulsion gel adsorbents and their adsorption properties for heavy-metal ions,
    Industrial & Engineering Chemistry Research, 50, 10270-10277 (2011)
    
    
43. H. Tokuyama, N. Yazaki,
    Preparation of poly(N-isopropylacrylamide) hydrogel beads by circulation polymerization,
    Reactive & Functional Polymers, 70, 967-971 (2010)
44. H. Tokuyama, N. Ishihara,
    Temperature-swing adsorption of precious metal ions onto poly(2-(dimethylamino)ethyl methacrylate) gel,
    Reactive & Functional Polymers, 70, 610-615 (2010)
45. H. Tokuyama, J. Hisaeda, S. Nii, S. Sakohara,
    Removal of heavy metal ions and humic acid from aqueous solutions by co-adsorption onto thermosensitive polymers,
    Separation and Purification Technology, 71, 83-88 (2010)
46. H. Tokuyama, Y. Kato,
    Preparation of thermosensitive polymeric organogels and their drug release behaviors,
    European Polymer Journal, 46, 277-282 (2010)
    
    
47. H. Tokuyama, T. Iwama,
    Solid-phase extraction of indium(III) ions onto thermosensitive poly(N-isopropylacrylamide),
    Separation and Purification Technology, 68(3), 417-421 (2009)
48. H. Tokuyama, H. Sumida, A. Kanehara, S. Nii,
    Effect of surfactants on the porous structure of poly(N-isopropylacrylamide) hydrogels prepared by an emulsion templating method,
    Colloid and Polymer Science, 287, 115-121 (2009)
49. S. Nii, S. Kikumoto, H. Tokuyama,
    Quantitative approach to ultrasonic emulsion separation,
    Ultrasonics Sonochemistry, 16(1), 145-149 (2009)
    
    
50. H. Tokuyama, Y. Kato,
    Preparation of poly(N-isopropylacrylamide) emulsion gels and their drug release behaviors,
    Colloids and Surfaces B: Biointerfaces, 67, 92-98 (2008)
51. H. Tokuyama, N. Ishihara, S. Sakohara,
    Porous poly(N-isopropylacrylamide) gels polymerized in mixed solvents of water and N,N-dimethylformamide,
    Polymer Bulletin, 61, 399-405 (2008)
52. H. Tokuyama, S. Naohara, M. Fujioka, S. Sakohara,
    Preparation of molecular imprinted thermosensitive gels grafted onto polypropylene by plasma-initiated graft polymerization,
    Reactive & Functional Polymers, 68, 182-188 (2008)
    
    
53. H. Tokuyama, T. Iwama,
    Temperature-swing solid-phase extraction of heavy metals on poly(N-isopropylacrylamide) hydrogel,
    Langmuir, 23(26), 13104-13108 (2007)
54. H. Tokuyama, A. Kanehara,
    Novel synthesis of macroporous poly(N-isopropylacrylamide) hydrogels using oil-in-water emulsions,
    Langmuir, 23(22), 11246-11251 (2007)
55. H. Tokuyama, N. Ishihara, S. Sakohara,
    Effects of synthesis-solvent on swelling and elastic properties of poly(N-isopropylacrylamide) hydrogels,
    European Polymer Journal, 43, 4975-4982 (2007)
56. H. Tokuyama, A. Kanehara,
    Temperature swing adsorption of gold(III) ions on poly(N-isopropylacrylamide) gel,
    Reactive & Functional Polymers, 67, 136-143 (2007)
57. H. Tokuyama, M. Sasaki, S. Sakohara,
    Work of adhesion as a dominant factor in formation of composition-gradient thermosensitive gel,
    Chemical Engineering and Technology, 30(1), 139-144 (2007)
    
    
58. H. Tokuyama, K. Yanagawa, S. Sakohara,
    Temperature swing adsorption of heavy metals on novel phosphate-type adsorbents using thermosensitive gels and/or polymers,
    Separation and Purification Technology, 50(1), 8-14 (2006)
59. H. Tokuyama, M. Sasaki, S. Sakohara,
    Preparation of a novel composition-gradient thermosensitive gel,
    Colloids and Surfaces, A: Physicochemical and Engineering Aspects, 273, 70-74 (2006)
    
    
60. H. Tokuyama, M. Fujioka, S. Sakohara,
    Development and performance of a novel molecular imprinted thermosensitive gel with a cross-linked chelating group for the temperature swing adsorption of a target metal,
    Journal of Chemical Engineering of Japan, 38(8), 633-640 (2005)
61. H. Tokuyama, R. Kanazawa, S. Sakohara,
    Equilibrium and kinetics for temperature swing adsorption of target metal on molecular imprinted thermosensitive gel adsorbents,
    Separation and Purification Technology, 44(2), 152-159 (2005)
    
    
62. R. Kanazawa, K. Mori, H. Tokuyama, S. Sakohara,
    Preparation of thermosensitive microgel adsorbent for quick adsorption of heavy metal ions by temperature change,
    Journal of Chemical Engineering of Japan, 37(6), 804-807 (2004)
63. H. Tokuyama, S. Maeda, K. Takahashi,
    Development of a novel moving bed with liquid-pulse and experimental analysis of nickel removal from acidic solution,
    Separation and Purification Technology, 38, 139-147 (2004)
64. H. Tokuyama, M. Natsume, S. Nii, F. Kawaizumi, K. Takahashi,
    Factors affecting stable operation of counter-current multistage fluidized bed of solid-liquid system - dimensions of downspout,
    Canadian Journal of Chemical Engineering, 82(2), 243-248 (2004)
    
    
65. H. Tokuyama, S. Nii, F. Kawaizumi, K. Takahashi,
    Separation of V from Fe-rich leachant of heavy oil fly ash - application of an ion exchange moving bed,
    Journal of Chemical Engineering of Japan, 36(4), 486-492 (2003)
66. H. Tokuyama, S. Nii, F. Kawaizumi, K. Takahashi,
    Process development for recovery of vanadium and nickel from heavy oil fly ash by leaching and ion exchange,
    Separation Science and Technology, 38(6), 1329-1344 (2003)
67. H. Tokuyama, M. Natsume, S. Nii, F. Kawaizumi, K. Takahashi,
    Role of pressure drop in counter-current multistage fluidized bed of solid-liquid system - effect of non-uniform liquid flow,
    Journal of Chemical Engineering of Japan, 36(1), 98-104 (2003)
    
    
68. H. Tokuyama, S. Nii, F. Kawaizumi, K. Takahashi,
    Removal of dilute nitric acid by anion exchange using a countercurrent multistage fluidized-bed column,
    Industrial & Engineering Chemistry Research, 41, 3447-3453 (2002)

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