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N. Ojima, K. Masuda, K. Tanaka, and O. Nishimura, Analysis of neutral oligosaccharides forstructural characterization by MALDI-QIT-TOF-MS, J. Mass Spectrom., 40, 380῍388 (2005).
K. Masuda, K. Kawahara, A. Kuniyasu, M. Ishiguro, and H. Nakayama, Stoichiometry and bindingsite analysis of ligand῍human serum albumin complex by photoa$nity labeling and mass
spectrometry, J. Mass Spectrom. Soc. Jpn., 53, 18῍24 (2005).
N. Takahashi, K. Masuda, K. Hiraki, K. Yoshihara, H. H. Huang, K. H. Khoo, and K. Kato, N-Glycan
structures of squid rhodopsin, Eur. J. Biochem., 270, 2627῍2632 (2003).
K. Kawahara, A. Kuniyasu, K. Masuda, M. Ishiguro, and H. Nakayama, E$cient identiﬁcation ofphotolabeled amino acid residues by combining immunoa$nity puriﬁcation with mass spectrometry, Biochem. J., 363, 223῍232 (2002).
N. Fujii, K. Hiroki, S. Matsumoto, K. Masuda, M. Inoue, Y. Tanaka, M. Awakura, and M. Akaboshi,Correlation between the loss of the chaperone-like activity and the oxidation, isomerization andracemization of gamma-irradiated a-crystallin, Photochem. Photobiol., 74, 477῍482 (2001).
K. Masuda, Y. Yamaguchi, K. Kato, N. Takahashi, I. Shimada, and Y. Arata, Pairing of oligosaccharides in the Fc region of immunoglobulin G, FEBS Lett., 473, 349῍357 (2000).
E. Ailor, N. Takahashi, Y. Tsukamoto, K. Masuda, B. A. Rahman, D. L. Jarvis, Y. C. Lee, and M. J.
Betenbaugh, N-Glycan patterns of human transferrin produced in Trichoplusia ni insect cells:
e#ects of mammalian galactosyltransferase, Glycobiology, 10, 837῍847 (2000).
K. Masuda, N. Takahashi, Y. Tsukamoto, H. Honma, K. Kohri, N-Glycan structures of an osteopontin from human bone, Biochem. Biophys. Res. Commun., 268, 814῍817 (2000).
A. Kamei, T. Hamaguchi, N. Matsuura, H. Iwase, and K. Masuda, Post-translational modiﬁcation ofaB-crystallin of normal human lens, Biol. Pharm. Bull., 23, 226῍230 (2000).
K. Masuda, Y. Yamaguchi, K. Kato, H. H. Kim, N. Takahashi, I. Shimada, and Y. Arata, Posttranslational modiﬁcations of immunoglobulin G: A mouse IgG variant that lacks the entire CH1
domain, Mol. Immunol., 36, 993῍1003 (1999).
N. Takahashi, K. B. Lee, H. Nakagawa, Y. Tsukamoto, K. Masuda, and Y. C. Lee, New N-glycans inhorseradish peroxidase, Anal. Biochem., 255, 183῍187 (1998).
N. Takahashi, W. Yamada, K. Masuda, H. Araki, Y. Tsukamoto, A. Galinha, C. Sautes, K. Kato, andI. Shimada, N-Glycan structures of a recombinant mouse soluble Fcg receptor II, Glycoconj. J., 15,905῍914 (1998).
A. Kamei, H. Iwase, and K. Masuda, Cleavage of amino acid residue(s) from the N-terminal regionof aA- and aB-crystallins in human crystalline lens during aging, Biochem. Biophys. Res. Commun.,
231, 373῍378 (1997).
F. Nishida, K. Masuda, K. Harada, M. Suzuki, V. Meevootisom, T. W. Flegel, Y. Thebtaranonth, andS. Intararuangsornm, Structure elucidation of glykenin, glycosidic antibiotics from Basidiomycetes
sp. VI. Structure characterization of the GK components using Frit-FAB LC/MS, J. Mass Spectrom.
Soc. Jpn., 43, 27῍35 (1995).
K. Harada, K. Masuda, M. Suzuki, H. Oka, Y. Ikai, and J. Hayakawa, Fast atom bombardment mass
spectral study of tetracycline antibiotics, Org. Mass Spectrom., 28, 1512῍1515 (1993).
K. Masuda, K. Harada, H. Murata, M. Suzuki, S. Horiyama, and W. Kamisako, Anomalously intense
formation of sodium adduct ions of viridopentaoses by fast atom bombardment mass spectrometry, Proc. Kyoto ’92 Int. Conf. Biol. Mass Spectrom., 514῍515 (1992).
H. Oka, Y. Ikai, F. Kondo, N. Kawamura, J. Hayakawa, K. Masuda, K. Harada, and M. Suzuki,Development of a condensation technique for thin-layer chromatography/fast atom bombardment mass spectrometry of non-visible compounds, Rapid Commun. Mass Spectrom., 6, 89῍94(1992).
K. Harada, K. Masuda, M. Suzuki, and H. Oka, Separation and identiﬁcation of food dyes bythin-layer chromatography/liquid secondary ion mass spectrometry, Biol. Mass Spectrom., 20,522῍528 (1991).
K. Masuda, K. Harada, M. Suzuki, H. Oka, N. Kawamura, and M. Yamada, Identiﬁcation of food dyes
by TLC/SIMS with a condensation technique, Org. Mass Spectrom., 24, 74῍75 (1989).
K. Harada, K. Masuda, I. Kimura, and M. Suzuki, Structural investigation of the antibioticsporaviridin. 11. Molecular secondary ion mass spectral studies on the constituent pentasaccharides viridopentaoses, Org. Mass Spectrom., 20, 582῍588 (1985).
K. Harada, K. Masuda, K. Okumura, and M. Suzuki, Removal, with cryptand polymers, of traces ofsodium ion in samples for molecular secondary ion mass spectrometry, Org. Mass Spectrom., 20,533῍534 (1985).
ῌ 71 ῌ