Yasuhiko Higashi
Department of Analytical Chemistry
Faculty of Pharmaceutical Sciences
Hokuriku University
Ho-3, Kanagawa-machi
Japan
Name/email consistency: high
- Determination of kojic acid in a skin-whitening cosmetic by high-performance liquid chromatography coupled with ultraviolet detection after pre-column derivatization with 4-fluoro-7-nitro-2,1,3-benzoxadiazole. Higashi, Y., Fujii, Y. J. Cosmet. Sci (2012)
- Simultaneous analysis of haloperidol, its three metabolites and two other butyrophenone-type neuroleptics by high performance liquid chromatography with dual ultraviolet detection. Higashi, Y., Kitahara, M., Fujii, Y. Biomed. Chromatogr. (2006)
- Simultaneous liquid chromatographic assay of amantadine and its four related compounds in phosphate-buffered saline using 4-fluoro-7-nitro-2,1,3-benzoxadiazole as a fluorescent derivatization reagent. Higashi, Y., Nakamura, S., Matsumura, H., Fujii, Y. Biomed. Chromatogr. (2006)
- Sensitive determination of 4-(4-chlorophenyl)-4-hydroxypiperidine, a metabolite of haloperidol, in a rat biological sample by HPLC with fluorescence detection after pre-column derivatization using 4-fluoro-7-nitro-2,1,3-benzoxadiazole. Higashi, Y., Nakamura, S., Fujii, Y. Biomed. Chromatogr. (2006)
- Sensitive determination of 4-(4-bromophenyl)-4-hydroxypiperidine, a metabolite of bromperidol, in rat plasma by HPLC with fluorescence detection after pre-column derivatization using 4-fluoro-7-nitro-2,1,3-benzoxadiazole. Higashi, Y., Nakamura, S., Fujii, Y. Biol. Pharm. Bull. (2006)
- Simultaneous determination of amantadine and rimantadine by HPLC in rat plasma with pre-column derivatization and fluorescence detection for pharmacokinetic studies. Higashi, Y., Uemori, I., Fujii, Y. Biomed. Chromatogr. (2005)
- Determination of fluvoxamine in rat plasma by HPLC with pre-column derivatization and fluorescence detection using 4-fluoro-7-nitro-2,1,3-benzoxadiazole. Higashi, Y., Matsumura, H., Fujii, Y. Biomed. Chromatogr. (2005)
- Pharmacokinetic interaction with digoxin and glucocorticoids in rats detected by radio-immunoassay using a novel specific antiserum. Higashi, Y., Ikeda, Y., Yamamoto, R., Yamashiro, M., Fujii, Y. Life Sci. (2005)
- Simultaneous determination of the binding of amantadine and its analogues to synthetic melanin by liquid chromatography after precolumn derivatization with dansyl chloride. Higashi, Y., Fujii, Y. J. Chromatogr. Sci (2005)
- Liquid chromatographic determination of 1-adamantanamine and 2-adamantanamine in human plasma after pre-column derivatization with o-phthalaldehyde and 1-thio-beta-D-glucose. Higashi, Y., Fujii, Y. J. Chromatogr. B Analyt. Technol. Biomed. Life Sci. (2004)
- Pharmacokinetic study of beta-methyldigoxin by enzyme immunoassay using a novel specific antiserum in rats. Higashi, Y., Watanabe, N., Sasaki, T., Fujii, Y. Biol. Pharm. Bull. (2003)
- Measurement of beta-methyldigoxin level in serum from patients by enzyme immunoassay using novel specific antiserum with a phenyl boric acid column. Higashi, Y., Watanabe, N., Sasaki, T., Fujii, Y. Ther. Drug. Monit (2003)
- Establishment of enzyme immunoassay for measuring beta-methyldigoxin levels in human serum by specific antiserum. Higashi, Y., Watanabe, N., Sasaki, T., Fujii, Y. Biol. Pharm. Bull. (2002)