Behavior of t-butoxycarbonyl-L-asparagine (Boc-Asn) on the initial stage of crystallization,
Koichi Igarashi*, Masako Aoki, Yoshiko Masuda, Masayuki Azuma and Hiroshi Ooshima,Journal of Chemical Engineering of Japan,50(1),111-115, 2018

Localized Solvent Effects on the Crystal Habit of tert-Butoxycarbonyl-L-asparagine (BocASN),
Masaru Hirano, Koichi Igarashi, Hiroshi Ooshima, Journal of Chemical Engineering of Japan,50,207-212 , 2017

Cooling crystallization Using a mL-Scale Continuous Crystallizer Equipped with a High Speed Agitator for Production of Uniform Small Crystals,
Koichi Igarashi, Hiroshi Ooshima, Journal of Chemical Engineering of Japan,49, 805-808, 2016

Crystallization Behavior of Ibuprofen under the Microwave Irradiation, Koichi Igarashi, Sumito Kihara and Hiroshi Ooshima, Journal of Chemical Engineering of Japan, 46(12), 797-801, 2013

Structure of supersaturated solution and crystal nucleation induced by diffusion, Hiroshi Ooshima, Koichi Igarashi, Hideo Iwasa, Ren Yamamoto,Journal of Crystal Growth,373, 2-6, 2013

Repeated Cooling Crystallization for Production of Microcrystals with a Narrow Size Distribution, Zhongyuan Xing, Koichi Igarashi, Ayumi Morioka and Hiroshi Ooshima, Journal of Chemical Engineering of Japan,45(10), 811-815, 2012

Control of Crystal Size Distribution Using a mL-Scale Continuous Crystallizer Equipped with a High Speed Agitator, Koichi Igarashi, Yasuhiro Yamanaka, Masayuki Azuma and Hiroshi Ooshima, Journal of Chemical Engineering of Japan,45（１）, 28-33, 2012

Relationship between Crystal Polymorphism and Solution Structure of an Imidazopyridine Derivative Developed as a Drug Substance for Osteoporosis, Masaru Hirano, Koichi Igarashi, Kouji Machiya, Rui Tamura, Hiroto Tue and Hiroshi Ooshima, Journal of Chemical Engineering of Japan,42(3), 204-211, 2009

Synthesis and degradation of acyl peptide using enzyme from Pseudomonas aeruginosa, Islam NN., Igarashi K., Tachibana T., Ooshima H., Azuma M., Journal of Bioscience and Bioengineering, 105(3), 282-287, 2008

Growth mechanism of the Calcium Carbonate Tubes on a Cation-exchange Membrane, K. Igarashi, M. Takiguchi and H. Ooshima, Journal of the Ceramic Society of Japan, 116(1), 111-114, 2008

Saccharomyces cerevisiae mutant displaying beta-glucans on cell surface, Sakai Y., Azuma M., Takada Y., Umeyama T., Kaneko A., Fujita T., Igarashi K., Ooshima H.,Journal of Bioscience and Bioengineering,103(2), 161-166, 2007

Purification and Characterization of Enzyme Responsible for N-Myristoylation of Octapeptide in Aqueous Solution without ATP and Coenzyme A from Pseudomonas aeruginosa, Takahiro Jyomoto, Masayuki Azuma, Nazneen Naher Islam, Ryo Fujinami, Toshifumi Takao, Takayuki Ogawa, Masaki Tabuchi, Koichi Igarashi, Jyoji Kato and Hiroshi Ooshima,Journal of Bioscience and Bioengineering,102(3), 193-197, 2006

Flowerlike Agglomerates of Calcium Carbonate Crystals Formed on an Eggshell Membrane, M. Takiguchi, K. Igarashi, M. Azuma, and H. Ooshima, Crystal Growth & Design, 6(12), 2754-2757, 2006

Studies on the hydration of Aerosol OT and the formation of reversed micelles in decane by a calorimetry and ab initio calculation, K. Sameshima, R. Tanaka, K. Igarashi, H. Ooshima, J. Chem. Thermodynamics,38, 662-671, 2006]

Relationship between Cell Morphology and Intracellar Potassium Concentration in Candida albicans, H. Watanabe, M. Azuma, K. Igarashi, H. Ooshima,J. Antibiot., 59(5), 281-287, 2006

Tubular Structure Agglomerates of Calcium Carbonate Crystals Formed on a Cation-Exchange Membrane, M. Takiguchi, K. Igarashi, M. Azuma, and H. Ooshima, Crystal Growth & Design,6(7), 1611-1614, 2006

Crystallization of β-Sitosterol Using a Water-Immiscible Solvent Hexane, Hideo Kawachi, Rika Tanaka, Masaru Hirano, Koichi Igarashi and Hiroshi Ooshima,Journal of Chemical Engineering of Japan, 39, 869-875, 2006

Manipulation of morphological transition in Saccharomyces cerevisiae mutant J19, Maneesri J, Azuma M, Igarashi K, Sugihara A, Ooshima H, Biochemical Engineering Journal,27, 72-76, 2005

Deletion of MCD4 involved in glycosylphosphatidylinositol (GPI) anchor synthesis leads to an increase in beta-1,6-glucan level and a decrease in GPI-anchored protein and mannan levels in the cell wall of Saccharomyces cerevisiae , Maneesri J, Azuma M, Sakai Y, Igarashi K, Matsumoto T, Fukuda H, Kondo A, Ooshima H, Journal of Bioscience and Bioengineering,99, 354-360, 2005

Valinomycin Affects the Morphology of Candida albicans, H. Watanabe, M. Azuma, K. Igarashi, H. Ooshima, J. Antibiot.,58(12), 753-758, 2005

The Effects of Impurities on Crystallization of Polymorphs of a Drug Substance AE1-923, Masaki Okamoto, Masaya Hamano, Koichi Igarashi and Hiroshi Ooshima,Journal of Chemical Engineering of Japan,37(10), 1224-1231, 2004

Effects of a solute analogue p-acetoacetanisidide on the crystallization of p-acetanisidide , Saito A , Igarashi K, Azuma M, Ooshima H ,Journal of Chemical Engineering of Japan,36, 953-958, 2003

Control of Polymorphs on the Crystallization of Glycine Using WWDJ Batch Crystallizer, K. Igarashi, Y. Sasaki, M. Azuma, H. Noda, H. Ooshima, Eng. Life. Sci.,3, 159-163, 2003

Characterization of a Saccharomyces cerevisiae Mutant with Pseudohyphae and Cloning of a Gene Complementing the Mutation, Jaruwan Maneesri, Masayuki Azuma, Satoshi Torii, Koichi Igarashi, Hiroshi Ooshima,Biosci. Biotechnol. Biochem.,67(3), 517-524, 2003

Production of Large Crystals of Glycine with a Narrow Size Distribution Using WWDJ-Batch Crystallizer, H. Ooshima, K. Igarashi, Y. Sasaki, M. Azuma, H. Noda,Chemical Engineering Transactions, 1, 981-986, 2002

Control of Polymorphs on the Crystallization of Glycine Using WWDJ Batch Crystallizer, K. Igarashi, Y. Sasaki, M. Azuma, H. Noda, H. Ooshima, Chemical Engineering Transactions, 1, 683-688, 2002

Aggregation of p-Acetanisidide Molecules in the Under and Super-saturated Solution and Its Effect on Crystallization, A. Saito, K. Igarashi, M. Azuma, H. Ooshima,Journal of Chemical Engineering of Japan,35, 1133-1139, 2002

Dissolution kinetics of crystals in suspension and its application to L-aspartic acid crystals, Gu Shan, Koichi Igarashi, Hiroshi Ooshima, Chemical Engineering Journal, 88, 53-58, 2002

Production of large crystals with a narrow crystal size distribution by a novel WWDJ batch crystallizer, Gu Shan, Koichi Igarashi, Hideo Noda, Hiroshi Ooshima, Chemical Engineering Journal,85, 161-167, 2002

Control of solvent-mediated transformation of crystal polymorphs using a newly developed batch crystallizer (WWDJ-crystallizer), Gu Shan, Koichi Igarashi, Hideo Noda, Hiroshi Ooshima, Chemical Engineering Journal, 85, 169-176, 2002

Light intensity distribution in the externally illuminated cylindrical photo-bioreactor and its application to hydrogen production by Rhodobacter capslatus, Tomohisa Katsuda, Takeshi Arimoto, Koichi Igarashi, Masayuki Azuma, Jyoji Kato, Susumu Takakuwa, Hiroshi Ooshima,Biochemical Engineering Journal, 5, 157-164, 2000

Removal of Cadmium Ion by the Pohlia flexuosa, M. Azuma, A. Oobayashi, M. Kondoh, C. Kawasaki, K. Igarashi, J. Kato, H. Ooshima, Bioseparation Engineering, -, 175-180, 2000

The initial stage of crystallization of lysozyme: a differential scanning calorimetric (DSC) study, Koichi Igarashi, Masayuki Azuma, Jyoji Kato, Hiroshi Ooshima,Journal of Crystal Growth,204, 191-200, 1999

Mechanism of Crystal Growth of Protein: Differential Scanning Calorimetry of Thermolysin Crystal Suspension, H. Ooshima, S. Urabe, K. Igarashi, M. Azuma, J. Kato, ACS Symposium series,667, 18-27, 1997