Numazawa M - Search Results

1

Synthesis of pyridine-carboxylate derivatives of hydroxysteroids for liquid chromatography-electrospray ionization-mass spectrometry.

Yamashita K, Kobayashi S, Tsukamoto S, Numazawa M. Yamashita K, et al. Among authors: numazawa m. Steroids. 2007 Jan;72(1):50-9. doi: 10.1016/j.steroids.2006.10.005. Epub 2006 Dec 1. Steroids. 2007. PMID: 17141289

2

Highly sensitive determination of estrone and estradiol in human serum by liquid chromatography-electrospray ionization tandem mass spectrometry.

Yamashita K, Okuyama M, Watanabe Y, Honma S, Kobayashi S, Numazawa M. Yamashita K, et al. Among authors: numazawa m. Steroids. 2007 Oct;72(11-12):819-27. doi: 10.1016/j.steroids.2007.07.003. Epub 2007 Jul 13. Steroids. 2007. PMID: 17716700

3

Use of novel picolinoyl derivatization for simultaneous quantification of six corticosteroids by liquid chromatography-electrospray ionization tandem mass spectrometry.

Yamashita K, Takahashi M, Tsukamoto S, Numazawa M, Okuyama M, Honma S. Yamashita K, et al. Among authors: numazawa m. J Chromatogr A. 2007 Nov 30;1173(1-2):120-8. doi: 10.1016/j.chroma.2007.10.023. Epub 2007 Oct 12. J Chromatogr A. 2007. PMID: 17964584

4

Simultaneous determination of tetrahydrocortisol, allotetrahydrocortisol and tetrahydrocortisone in human urine by liquid chromatography-electrospray ionization tandem mass spectrometry.

Yamashita K, Nakagawa R, Okuyama M, Honma S, Takahashi M, Numazawa M. Yamashita K, et al. Among authors: numazawa m. Steroids. 2008 Aug;73(7):727-37. doi: 10.1016/j.steroids.2008.02.009. Epub 2008 Feb 26. Steroids. 2008. PMID: 18394666

5

Preparation and structural elucidation of the picolinyl ester of aldosterone for liquid chromatography-electrospray ionization tandem mass spectrometry.

Yamashita K, Tadokoro Y, Takahashi M, Numazawa M. Yamashita K, et al. Among authors: numazawa m. Chem Pharm Bull (Tokyo). 2008 Jun;56(6):873-7. doi: 10.1248/cpb.56.873. Chem Pharm Bull (Tokyo). 2008. PMID: 18520101 Free article.

6

Development of sensitive derivatization method for aldosterone in liquid chromatography-electrospray ionization tandem mass spectrometry of corticosteroids.

Yamashita K, Okuyama M, Nakagawa R, Honma S, Satoh F, Morimoto R, Ito S, Takahashi M, Numazawa M. Yamashita K, et al. Among authors: numazawa m. J Chromatogr A. 2008 Jul 25;1200(2):114-21. doi: 10.1016/j.chroma.2008.05.034. Epub 2008 May 22. J Chromatogr A. 2008. PMID: 18561939

7

Development of highly sensitive quantification method for testosterone and dihydrotestosterone in human serum and prostate tissue by liquid chromatography-electrospray ionization tandem mass spectrometry.

Yamashita K, Miyashiro Y, Maekubo H, Okuyama M, Honma S, Takahashi M, Numazawa M. Yamashita K, et al. Among authors: numazawa m. Steroids. 2009 Nov;74(12):920-6. doi: 10.1016/j.steroids.2009.06.007. Epub 2009 Jul 2. Steroids. 2009. PMID: 19576916

8

Fusaric acid as a novel proton-affinitive derivatizing reagent for highly sensitive quantification of hydroxysteroids by LC-ESI-MS/MS.

Yamashita K, Yamazaki K, Komatsu S, Numazawa M. Yamashita K, et al. Among authors: numazawa m. J Am Soc Mass Spectrom. 2010 Feb;21(2):249-53. doi: 10.1016/j.jasms.2009.10.008. Epub 2009 Nov 14. J Am Soc Mass Spectrom. 2010. PMID: 19914845 Free article.

9

Probing the binding pocket of the active site of aromatase with 2-phenylaliphatic androsta-1,4-diene-3,17-dione steroids.

Takahashi M, Yamashita K, Numazawa M. Takahashi M, et al. Among authors: numazawa m. Steroids. 2010 Apr;75(4-5):330-7. doi: 10.1016/j.steroids.2010.01.008. Epub 2010 Jan 22. Steroids. 2010. PMID: 20096721

10

Assay of labile estrogen o-quinones, potent carcinogenic molecular species, by high performance liquid chromatography-electrospray ionization tandem mass spectrometry with phenazine derivatization.

Yamashita K, Masuda A, Hoshino Y, Komatsu S, Numazawa M. Yamashita K, et al. Among authors: numazawa m. J Steroid Biochem Mol Biol. 2010 Apr;119(3-5):141-8. doi: 10.1016/j.jsbmb.2010.02.016. Epub 2010 Feb 25. J Steroid Biochem Mol Biol. 2010. PMID: 20188833

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