Oka H - Search Results

1

Screening assay for metal-catalyzed oxidation inhibitors using liquid chromatography-mass spectrometry with an N-terminal beta-amyloid peptide.

Inoue K, Nakagawa A, Hino T, Oka H. Inoue K, et al. Among authors: oka h. Anal Chem. 2009 Mar 1;81(5):1819-25. doi: 10.1021/ac802162n. Anal Chem. 2009. PMID: 19173589

2

LC-MS/MS and centrifugal ultrafiltration method for the determination of novobiocin in chicken, fish tissues, milk and human serum.

Inoue K, Nitta S, Hino T, Oka H. Inoue K, et al. Among authors: oka h. J Chromatogr B Analyt Technol Biomed Life Sci. 2009 Feb 1;877(4):461-4. doi: 10.1016/j.jchromb.2008.12.039. Epub 2008 Dec 25. J Chromatogr B Analyt Technol Biomed Life Sci. 2009. PMID: 19124279

3

Simple and novel screening assay of natural antioxidants for Cu(II) ion/adrenaline-mediated oxidation of N-terminal amyloid beta by liquid chromatography/mass spectrometry.

Inoue K, Kaneko M, Hino T, Oka H. Inoue K, et al. Among authors: oka h. J Agric Food Chem. 2010 Sep 8;58(17):9413-7. doi: 10.1021/jf101661w. J Agric Food Chem. 2010. PMID: 20707367

4

Quantification of N-acetyl-seryl-aspartyl-lysyl-proline in hemodialysis patients administered angiotensin-converting enzyme inhibitors by stable isotope dilution liquid chromatography-tandem mass spectrometry.

Inoue K, Ikemura A, Tsuruta Y, Watanabe K, Tsutsumiuchi K, Hino T, Oka H. Inoue K, et al. Among authors: oka h. J Pharm Biomed Anal. 2011 Mar 25;54(4):765-71. doi: 10.1016/j.jpba.2010.10.009. Epub 2010 Oct 21. J Pharm Biomed Anal. 2011. PMID: 21074346

5

Simultaneous determination of five polyether ionophores using liquid chromatography with one-step fluorescent derivatization.

Inoue K, Miura Y, Suzuki M, Kishikawa N, Hino T, Kuroda N, Oka H. Inoue K, et al. Among authors: oka h. Anal Sci. 2012;28(2):175-8. doi: 10.2116/analsci.28.175. Anal Sci. 2012. PMID: 22322811 Free article.

6

A strategy for high-speed countercurrent chromatography purification of specific antioxidants from natural products based on on-line HPLC method with radical scavenging assay.

Inoue K, Baba E, Hino T, Oka H. Inoue K, et al. Among authors: oka h. Food Chem. 2012 Oct 15;134(4):2276-82. doi: 10.1016/j.foodchem.2012.02.219. Epub 2012 Mar 30. Food Chem. 2012. PMID: 23442686

7

Screening assay of angiotensin-converting enzyme inhibitory activity from complex natural colourants and foods using high-throughput LC-MS/MS.

Inoue K, Kitade M, Hino T, Oka H. Inoue K, et al. Among authors: oka h. Food Chem. 2011 Jun 15;126(4):1909-15. doi: 10.1016/j.foodchem.2010.12.019. Epub 2010 Dec 22. Food Chem. 2011. PMID: 25213976

8

Determination of avoparcin in animal tissues and milk using LC-ESI-MS/MS and tandem-SPE.

Inoue K, Mizuno Y, Yoshimi Y, Nunome M, Hino T, Tsutsumiuchi K, Oka H. Inoue K, et al. Among authors: oka h. J Sep Sci. 2008 Dec;31(22):3871-8. doi: 10.1002/jssc.200800446. J Sep Sci. 2008. PMID: 19065618

9

Simultaneous determination of avermectins in bovine tissues by LC-MS/MS.

Inoue K, Yoshimi Y, Hino T, Oka H. Inoue K, et al. Among authors: oka h. J Sep Sci. 2009 Nov;32(21):3596-602. doi: 10.1002/jssc.200900411. J Sep Sci. 2009. PMID: 19877150

10

An approach to on-line electrospray mass spectrometric detection of polypeptide antibiotics of enramycin for high-speed counter-current chromatographic separation.

Inoue K, Hattori Y, Hino T, Oka H. Inoue K, et al. Among authors: oka h. J Pharm Biomed Anal. 2010 Apr 6;51(5):1154-60. doi: 10.1016/j.jpba.2009.11.010. Epub 2009 Nov 13. J Pharm Biomed Anal. 2010. PMID: 20004073

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