• 2417 Citations
  • 24 h-Index
1994 …2020

Research output per year

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Research Output

  • 2417 Citations
  • 24 h-Index
  • 98 Article
  • 3 Review article
  • 1 Conference article
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Article
2020

Immobilization of surface non-affinitive protein onto a metal surface by an external electric field

Tramis, O., Iizuka, R., Nakao, H., Imanaka, H., Ishida, N. & Imamura, K., Mar 2020, In : Journal of Bioscience and Bioengineering. 129, 3, p. 348-353 6 p.

Research output: Contribution to journalArticle

Sole-amorphous-sugar-based solid dispersion of curcumin and the influence of formulation composition and heat treatment on the dissolution of curcumin

Sekitoh, T., Okamoto, T., Fujioka, A., Tramis, O., Takeda, K., Matsuura, T., Imanaka, H., Ishida, N. & Imamura, K., Jan 1 2020, (Accepted/In press) In : Drying Technology.

Research output: Contribution to journalArticle

The Use of a Combination of a Sugar and Surfactant to Stabilize Au Nanoparticle Dispersion against Aggregation during Freeze-Drying

Yokota, H., Kadowaki, M., Matsuura, T., Imanaka, H., Ishida, N. & Imamura, K., Jun 23 2020, In : Langmuir. 36, 24, p. 6698-6705 8 p.

Research output: Contribution to journalArticle

2019
1 Citation (Scopus)
2018

Adsorption characteristics of various proteins on a metal surface in the presence of an external electric potential

Htwe, E. E., Nakama, Y., Yamamoto, Y., Tanaka, H., Imanaka, H., Ishida, N. & Imamura, K., Jun 1 2018, In : Colloids and Surfaces B: Biointerfaces. 166, p. 262-268 7 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Controlling the drying process in vacuum foam drying under low vacuum conditions by inducing foaming by needle stimulation of the solution

Hidaka, F., Satoh, T., Fujioka, A., Takeda, K., Imanaka, H., Ishida, N. & Imamura, K., Jan 1 2018, (Accepted/In press) In : Drying Technology.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Hydrophobic Attraction Measured between Asymmetric Hydrophobic Surfaces

Ishida, N., Matsuo, K., Imamura, K. & Craig, V. S. J., Mar 27 2018, In : Langmuir. 34, 12, p. 3588-3596 9 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)
2017

Characteristics of proteinaceous additives in stabilizing enzymes during freeze-thawing and - Drying

Shimizu, T., Korehisa, T., Imanaka, H., Ishida, N. & Imamura, K., 2017, In : Bioscience, Biotechnology and Biochemistry. 81, 4, p. 687-697 11 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2 Citations (Scopus)

Surfactant-Free Solid Dispersions of Hydrophobic Drugs in an Amorphous Sugar Matrix Dried from an Organic Solvent

Takeda, K., Gotoda, Y., Hirota, D., Hidaka, F., Sato, T., Matsuura, T., Imanaka, H., Ishida, N. & Imamura, K., Mar 6 2017, In : Molecular Pharmaceutics. 14, 3, p. 791-798 8 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)
2016

Adsorption of lysozyme on base metal surfaces in the presence of an external electric potential

Ei Ei, H., Nakama, Y., Tanaka, H., Imanaka, H., Ishida, N. & Imamura, K., Nov 1 2016, In : Colloids and Surfaces B: Biointerfaces. 147, p. 9-16 8 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)
4 Citations (Scopus)

Surfactant-free solid dispersion of fat-soluble flavour in an amorphous sugar matrix

Satoh, T., Hidaka, F., Miyake, K., Yoshiyama, N., Takeda, K., Matsuura, T., Imanaka, H., Ishida, N. & Imamura, K., Apr 15 2016, In : Food Chemistry. 197, p. 1136-1142 7 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)
2 Citations (Scopus)
2015

Effect of surface hydrophobicity on short-range hydrophobic attraction between silanated silica surfaces

Soga, Y., Imanaka, H., Imamura, K. & Ishida, N., Nov 1 2015, In : Advanced Powder Technology. 26, 6, p. 1729-1733 5 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Influence of sugar surfactant structure on the encapsulation of oil droplets in an amorphous sugar matrix during freeze-drying

Nakayama, S., Kimura, Y., Miki, S., Oshitani, J., Kobayashi, T., Adachi, S., Matsuura, T., Imanaka, H., Ishida, N., Tada, H., Nakanishi, K. & Imamura, K., Apr 1 2015, In : Food Research International. 70, p. 143-149 7 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Inhibitory effects of additives and heat treatment on the crystallization of freeze-dried sugar

Kinugawa, K., Kinuhata, M., Kagotani, R., Imanaka, H., Ishida, N., Kitamatsu, M., Nakanishi, K. & Imamura, K., Jun 2015, In : Journal of Food Engineering. 155, p. 37-44 8 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)
2014

Characteristics of sugar surfactants in stabilizing proteins during freeze-thawing and freeze-drying

Imamura, K., Murai, K., Korehisa, T., Shimizu, N., Yamahira, R., Matsuura, T., Tada, H., Imanaka, H., Ishida, N. & Nakanishi, K., Jun 2014, In : Journal of Pharmaceutical Sciences. 103, 6, p. 1628-1637 10 p.

Research output: Contribution to journalArticle

21 Citations (Scopus)

Effect of lipid amount on surfactant-free solid lipid nanoparticle formation by hot homogenization

Oshitani, J., Murakami, N., Yoshida, M., Ishida, N., Imamura, K. & Ichikawa, H., 2014, In : Chemistry Letters. 43, 7, p. 1011-1013 3 p.

Research output: Contribution to journalArticle

2013

Characteristics of amorphous matrices composed of different types of sugars in encapsulating emulsion oil droplets during freeze-drying

Imamura, K., Kimura, Y., Nakayama, S., Sayuri, M., Ogawa, S., Hoshino, T., Oshitani, J., Kobayashi, T., Adachi, S., Matsuura, T., Imanaka, H., Ishida, N. & Nakanishi, K., Apr 1 2013, In : Food Research International. 51, 1, p. 201-207 7 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Improving the physical stability of freeze-dried amorphous sugar matrices by compression at several hundreds MPa

Kagotani, R., Kinugawa, K., Nomura, M., Imanaka, H., Ishida, N. & Imamura, K., Jul 2013, In : Journal of Pharmaceutical Sciences. 102, 7, p. 2187-2197 11 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

On the preparation of indoxyl red from indican and some new characteristics

Song, J., Kitamatsu, M., Imamura, K., Ohmori, H., Watanabe, K. & Nakanishi, K., Feb 1 2013, In : Bioorganic and Medicinal Chemistry Letters. 23, 3, p. 627-629 3 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

The discoidin domain of Bacillus circulans β-galactosidase plays an essential role in repressing galactooligosaccharide production

Song, J., Imanaka, H., Imamura, K., Minoda, M., Yamaguchi, S. & Nakanishi, K., Feb 14 2013, In : Bioscience, Biotechnology and Biochemistry. 77, 1, p. 73-79 7 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)
2012

Heterogeneity of the state and functionality of water molecules sorbed in an amorphous sugar matrix

Imamura, K., Kagotani, R., Nomura, M., Kinugawa, K. & Nakanishi, K., Apr 1 2012, In : Carbohydrate Research. 351, p. 108-113 6 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Impact of compression, physical aging, and freezing rate on the crystallization characteristics of an amorphous sugar matrix

Imamura, K., Kinugawa, K., Kagotani, R., Nomura, M. & Nakanishi, K., Oct 1 2012, In : Journal of Food Engineering. 112, 4, p. 313-318 6 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)
2011

Causes of the production of multiple forms of β-galactosidase by Bacillus circulans

Song, J., Abe, K., Imanaka, H., Imamura, K., Minoda, M., Yamaguchi, S. & Nakanishi, K., Mar 7 2011, In : Bioscience, Biotechnology and Biochemistry. 75, 2, p. 268-278 11 p.

Research output: Contribution to journalArticle

31 Citations (Scopus)

Cloning and expression of a β-Galactosidase Gene of Bacillus circulans

Song, J., Imanaka, H., Imamura, K., Minoda, M., Katase, T., Hoshi, Y., Yamaguchi, S. & Nakanishi, K., Jun 29 2011, In : Bioscience, Biotechnology and Biochemistry. 75, 6, p. 1194-1197 4 p.

Research output: Contribution to journalArticle

20 Citations (Scopus)

Influence of compression on water sorption, glass transition, and enthalpy relaxation behavior of freeze-dried amorphous sugar matrices

Imamura, K., Kagotani, R., Nomura, M., Tanaka, K., Kinugawa, K. & Nakanishi, K., Apr 15 2011, In : International Journal of Pharmaceutics. 408, 1-2, p. 76-83 8 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)
1 Citation (Scopus)

Rod-shaped hydroxyapatite nanoparticle formation by maturation with AOT

Oshitani, J., Kataoka, N., Yoshida, M., Gotoh, K. & Imamura, K., Oct 3 2011, In : Chemistry Letters. 40, 10, p. 1085-1086 2 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Rod-shaped hydroxyapatite nanoparticle formation using AOT and water without oil

Oshitani, J., Kataoka, N., Yoshida, M., Gotoh, K., Imamura, K. & Tanaka, H., Mar 24 2011, In : Chemistry Letters. 40, 4, p. 400-401 2 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)
2010
15 Citations (Scopus)

Development of a highly efficient indigo dyeing method using indican with an immobilized β-glucosidase from Aspergillus niger

Song, J., Imanaka, H., Imamura, K., Kajitani, K. & Nakanishi, K., Sep 1 2010, In : Journal of Bioscience and Bioengineering. 110, 3, p. 281-287 7 p.

Research output: Contribution to journalArticle

18 Citations (Scopus)

Impacts of compression on crystallization behavior of freeze-dried amorphous sucrose

Imamura, K., Nomura, M., Tanaka, K., Kataoka, N., Oshitani, J., Imanaka, H. & Nakanishi, K., Mar 2010, In : Journal of Pharmaceutical Sciences. 99, 3, p. 1452-1463 12 p.

Research output: Contribution to journalArticle

19 Citations (Scopus)

Influences of properties of protein and adsorption surface on removal kinetics of protein adsorbed on metal surface by H2O2-electrolysis treatment

Imamura, K., Oshita, M., Iwai, M., Kuroda, T., Watanabe, I., Sakiyama, T. & Nakanishi, K., May 1 2010, In : Journal of Colloid And Interface Science. 345, 2, p. 474-480 7 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Water sorption, glass transition, and protein-stabilizing behavior of an amorphous sucrose matrix combined with various materials

Imamura, K., Yokoyama, T., Fukushima, A., Kinuhata, M. & Nakanishi, K., Nov 2010, In : Journal of Pharmaceutical Sciences. 99, 11, p. 4669-4677 9 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)
2009

Efficient ethanol production from wheat bran by enzymatic saccharification using commercially available enzyme products and fermentation using bakers' yeast

Koreishi, M., Imanaka, H., Imamura, K., Kariyama, M. & Nakanishi, K., Jul 27 2009, In : Seibutsu-kogaku Kaishi. 87, 5, p. 216-223 8 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Efficient Nε-lauroyl-l-lysine production by recombinant ε-lysine acylase from Streptomyces mobaraensis

Koreishi, M., Kawasaki, R., Imanaka, H., Imamura, K., Takakura, Y. & Nakanishi, K., May 20 2009, In : Journal of biotechnology. 141, 3-4, p. 160-165 6 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Formation characteristics of calcium phosphate deposits on a metal surface by H2O2-electrolysis reaction under various conditions

Kanamoto, K., Imamura, K., Kataoka, N., Oshitani, J., Imanaka, H. & Nakanishi, K., Oct 20 2009, In : Colloids and Surfaces A: Physicochemical and Engineering Aspects. 350, 1-3, p. 79-86 8 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)
8 Citations (Scopus)

Temperature scanning FTIR analysis of secondary structures of proteins embedded in amorphous sugar matrix

Imamura, K., Ohyama, K. I., Yokoyama, T., Maruyama, Y. & Kazuhiro, N., Sep 2009, In : Journal of Pharmaceutical Sciences. 98, 9, p. 3088-3098 11 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)
2008

Adsorption characteristics of various proteins to a titanium surface

Imamura, K., Shimomura, M., Nagai, S., Akamatsu, M. & Nakanishi, K., Sep 1 2008, In : Journal of Bioscience and Bioengineering. 106, 3, p. 273-278 6 p.

Research output: Contribution to journalArticle

48 Citations (Scopus)

Characteristics of hydrogen bond formation between sugar and polymer in freeze-dried mixtures under different rehumidification conditions and its impact on the glass transition temperature

Imamura, K., Asaimo, Y., Maruyama, Y., Yokoyama, T., Nomura, M., Ogawa, S. & Nakanishi, K., Mar 2008, In : Journal of Pharmaceutical Sciences. 97, 3, p. 1301-1312 12 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)

Fourier self-deconvolution analysis of hydrogen bonding states of polyvinylpyrrolidone in an amorphous sugar matrix below and above the glass transition temperature

Imamura, K., Ohyama, K. I., Tani, K., Yokoyama, T., Maruyama, Y., Imanaka, H. & Nakanishi, K., Sep 1 2008, In : Spectroscopy Letters. 41, 6, p. 305-312 8 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Temperature scanning FTIR analysis of interactions between sugar and polymer additive in amorphous sugar-polymer mixtures

Imamura, K., Ohyama, K. I., Yokoyama, T., Maruyama, Y., Imanaka, H. & Nakanishi, K., Jan 2008, In : Journal of Pharmaceutical Sciences. 97, 1, p. 519-528 10 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

True density analysis of a freeze-dried amorphous sugar matrix

Imamura, K., Maruyama, Y., Tanaka, K., Yokoyama, T., Imanaka, H. & Nakanishi, K., Jul 2008, In : Journal of Pharmaceutical Sciences. 97, 7, p. 2789-2797 9 p.

Research output: Contribution to journalArticle

31 Citations (Scopus)
2007

Adsorption characteristics of oligopeptides composed of acidic and basic amino acids on titanium surface

Imamura, K., Kawasaki, Y., Nagayasu, T., Sakiyama, T. & Nakanishi, K., Jan 1 2007, In : Journal of Bioscience and Bioengineering. 103, 1, p. 7-12 6 p.

Research output: Contribution to journalArticle

19 Citations (Scopus)

Cloning and characterization of penicillin V acylase from Streptomyces mobaraensis

Zhang, D., Koreishi, M., Imanaka, H., Imamura, K. & Nakanishi, K., Mar 10 2007, In : Journal of biotechnology. 128, 4, p. 788-800 13 p.

Research output: Contribution to journalArticle

21 Citations (Scopus)

Development of a one-step ELISA method using an affinity peptide tag specific to a hydrophilic polystyrene surface

Kumada, Y., Katoh, S., Imanaka, H., Imamura, K. & Nakanishi, K., Jan 1 2007, In : Journal of biotechnology. 127, 2, p. 288-299 12 p.

Research output: Contribution to journalArticle

38 Citations (Scopus)
14 Citations (Scopus)