Todoroki K - Search Results

1

Evaluation of gardenia yellow using crocetin from alkaline hydrolysis based on ultra high performance liquid chromatography and high-speed countercurrent chromatography.

Inoue K, Tanada C, Nishikawa H, Matsuda S, Tada A, Ito Y, Min JZ, Todoroki K, Sugimoto N, Toyo'oka T, Akiyama H. Inoue K, et al. Among authors: todoroki k. J Sep Sci. 2014 Dec;37(24):3619-24. doi: 10.1002/jssc.201400793. Epub 2014 Nov 12. J Sep Sci. 2014. PMID: 25296622

2

Chiral amines as reagents for HPLC-MS enantioseparation of chiral carboxylic acids.

Tsutsui H, Fujii S, Sakamoto T, Min JZ, Todoroki K, Toyo'oka T. Tsutsui H, et al. Among authors: todoroki k. J Sep Sci. 2012 Jul;35(13):1551-9. doi: 10.1002/jssc.201200091. J Sep Sci. 2012. PMID: 22761132

3

Simultaneous determination of DL-lactic acid and DL-3-hydroxybutyric acid enantiomers in saliva of diabetes mellitus patients by high-throughput LC-ESI-MS/MS.

Tsutsui H, Mochizuki T, Maeda T, Noge I, Kitagawa Y, Min JZ, Todoroki K, Inoue K, Toyo'oka T. Tsutsui H, et al. Among authors: todoroki k. Anal Bioanal Chem. 2012 Oct;404(6-7):1925-34. doi: 10.1007/s00216-012-6320-0. Epub 2012 Aug 16. Anal Bioanal Chem. 2012. PMID: 22895741

4

Fully automated reagent peak-free liquid chromatography fluorescence analysis of highly polar carboxylic acids using a column-switching system and fluorous scavenging derivatization.

Todoroki K, Hashimoto H, Machida K, Itoyama M, Hayama T, Yoshida H, Nohta H, Nakashima M, Yamaguchi M. Todoroki K, et al. J Sep Sci. 2013 Jan;36(2):232-8. doi: 10.1002/jssc.201200692. Epub 2012 Dec 10. J Sep Sci. 2013. PMID: 23229764

5

Foodomics platform for the assay of thiols in wines with fluorescence derivatization and ultra performance liquid chromatography mass spectrometry using multivariate statistical analysis.

Inoue K, Nishimura M, Tsutsui H, Min JZ, Todoroki K, Kauffmann JM, Toyo'oka T. Inoue K, et al. Among authors: todoroki k. J Agric Food Chem. 2013 Feb 13;61(6):1228-34. doi: 10.1021/jf304822t. Epub 2013 Feb 5. J Agric Food Chem. 2013. PMID: 23339461

6

Development of a stable isotope dilution UPLC-MS/MS method for quantification of dexmedetomidine in a small amount of human plasma.

Inoue K, Sakamoto T, Fujita Y, Yoshizawa S, Tomita M, Min JZ, Todoroki K, Sobue K, Toyo'oka T. Inoue K, et al. Among authors: todoroki k. Biomed Chromatogr. 2013 Jul;27(7):853-8. doi: 10.1002/bmc.2870. Epub 2013 Feb 11. Biomed Chromatogr. 2013. PMID: 23401046

7

Relative quantification of enantiomers of chiral amines by high-throughput LC-ESI-MS/MS using isotopic variants of light and heavy L-pyroglutamic acids as the derivatization reagents.

Mochizuki T, Taniguchi S, Tsutsui H, Min JZ, Inoue K, Todoroki K, Toyo'oka T. Mochizuki T, et al. Among authors: todoroki k. Anal Chim Acta. 2013 Apr 22;773:76-82. doi: 10.1016/j.aca.2013.02.026. Epub 2013 Feb 28. Anal Chim Acta. 2013. PMID: 23561909

8

A novel derivatization reagent possessing a bromoquinolinium structure for biological carboxylic acids in HPLC-ESI-MS/MS.

Mochizuki Y, Inagaki S, Suzuki M, Min JZ, Inoue K, Todoroki K, Toyo'oka T. Mochizuki Y, et al. Among authors: todoroki k. J Sep Sci. 2013 Jun;36(12):1883-9. doi: 10.1002/jssc.201300083. Epub 2013 May 13. J Sep Sci. 2013. PMID: 23568887

9

Novel chiral derivatization reagents possessing a pyridylthiourea structure for enantiospecific determination of amines and carboxylic acids in high-throughput liquid chromatography and electrospray-ionization mass spectrometry for chiral metabolomics identification.

Nagao R, Tsutsui H, Mochizuki T, Takayama T, Kuwabara T, Min JZ, Inoue K, Todoroki K, Toyo'oka T. Nagao R, et al. Among authors: todoroki k. J Chromatogr A. 2013 Jun 28;1296:111-8. doi: 10.1016/j.chroma.2013.03.019. Epub 2013 Mar 26. J Chromatogr A. 2013. PMID: 23582770

10

Dress-up chiral columns for the enantioseparation of amino acids based on fluorous separation.

Todoroki K, Ishii Y, Toyoda K, Ikawa T, Min JZ, Inoue K, Akai S, Toyo'oka T. Todoroki K, et al. Anal Bioanal Chem. 2013 Oct;405(25):8121-9. doi: 10.1007/s00216-013-7207-4. Epub 2013 Jul 25. Anal Bioanal Chem. 2013. PMID: 23884475

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