Rika Okihara

Chemical synthesis of N-acetylcysteine conjugates of bile acids and in vivo formation in cholestatic rats as shown by liquid chromatography/electrospray ionization-linear ion trap mass spectrometry.

A. Hofmann, S. Ikegawa, K. Mitamura, 2009, Journal of chromatography. B, Analytical technologies in the biomedical and life sciences.

Metal-binding ability of human prion protein fragment peptides analyzed by column switch HPLC.

M. Nagano, T. Akizawa, Aya Kojima, 2011, Chemical & pharmaceutical bulletin.

Production and characterization of a monoclonal antibody to capture proteins tagged with lithocholic acid.

S. Ishiwata, A. Hofmann, M. Maeda, 2008, Analytical sciences : the international journal of the Japan Society for Analytical Chemistry.

Synthesis of 3- and 21-monosulfates of [2,2,3β,4,4-2H5]-tetrahydrocorticosteroids in the 5β-series as internal standards for mass spectrometry

Maki Hasegawa, T. Iida, S. Ikegawa, 2011, Steroids.

Potential corticoid metabolites: chemical synthesis of 3- and 21-monosulfates and their double-conjugates of tetrahydrocorticosteroids in the 5alpha- and 5beta-series.

N. Mano, M. Shimada, Maki Hasegawa, 2010, Chemical & pharmaceutical bulletin.

Simultaneous determination of twelve tetrahydrocorticosteroid glucuronides in human urine by liquid chromatography/electrospray ionization-linear ion trap mass spectrometry.

H. Chiba, Maki Hasegawa, T. Iida, 2009, Analytical chemistry.