Separation and identification of monoglucuronides of vitamin D3 metabolites in urine by derivatization-assisted LC/ESI–MS/MS using a new Cookson-type reagent
掲載誌
Anal. Sci.
◎
巻,号,頁
39, 1053-1063
発行年
2023
発行月
7
著者
T. Higashi, S. Aso, H. Horisaki, T. Ito, S. Tanaka, S. Nishimoto-Kusunose, S. Ogawa, K. Kato, H. Ide
4
論文題目
Evaluation of thumbnail clipping as a specimen for retrospectively assessing average production of testosterone
掲載誌
Clin. Chim. Acta
◎
巻,号,頁
vol. 38, pp.157-163.
発行年
2023
発行月
1
著者
S. Ogawa
5
論文題目
Improvement of analysis throughput for LC/MS assay
掲載誌
Anal. Sci.
◎
巻,号,頁
vol. 38, pp. 633-634.
発行年
2022
発行月
4
著者
S. Fujimura, T. Ito, S. Ogawa, T. Ishige, S. Nishimoto-Kusunose, T. Higashi
6
論文題目
An LC/MS/MS method for quantifying testosterone and dehydroepiandrosterone sulfate in four different serum samples during a single run
掲載誌
Anal. Sci.
◎
巻,号,頁
vol. 38, pp. 167-173.
発行年
2022
発行月
著者
A. Ohta, W. Hobo, S. Ogawa, Y. Sugiura, T. Nishikawa, K. Nishimoto, S. Nishimoto-Kusunose, T. Higash
7
論文題目
A method for determination of aldosterone concentrations of six adrenal venous serum samples during a single LC/ESI-MS/MS run using a sextet of Girard reagents
掲載誌
J. Pharm. Biomed. Anal.
◎
巻,号,頁
vol. 207, No. 114423.
発行年
2022
発行月
著者
S. Ogawa
8
論文題目
Improvement of analysis throughput for LC/MS assay
掲載誌
Anal. Sci.
◎
巻,号,頁
vol. 38, pp. 633-634.
発行年
2022
発行月
著者
S. Aso, S. Ogawa, S. Nishimoto-Kusunose, M. Satoh, T. Ishige, F. Nomura, T. Higashi
9
論文題目
Derivatization-based quadruplex LC/ESI–MS/MS method for high throughput quantification of serum dehydroepiandrosterone sulfate
S. Ogawa, M. Nakamura, M. Satoh, T. Ishige, F. Nomura, Y. Sugiura, T. Higashi
11
論文題目
Development of a method for quantification of serum dehydroepiandrosterone sulfate by stable isotope-dilution MALDI-MS
掲載誌
Med. Mass Spectrom.
◎
巻,号,頁
vol. 5, pp. 22-27.
発行年
2021
発行月
★
著者
Y. Horie, A. Goto, R. Imamura, M. Itoh, S. Ikegawa, S. Ogawa, T. Higashi
12
論文題目
Quantification of ergothioneine in Aspergillus oryzae-fermented rice bran by a newly-developed LC/ESI-MS/MS method
掲載誌
LWT Food Sci. Technol.
◎
巻,号,頁
vol. 118, No. 108812.
発行年
2020
発行月
1
★
著者
M. Nakamura, M. Moritsuna, K. Yuda, S. Fujimura, Y. Sugiura, S. Shimma, K. Nishimoto, T. Nishikawa, M. Suematsu, S. Ogawa, T. Higashi
13
論文題目
Quantitative MALDI-MS/MS assay for serum cortisol through charged derivatization
掲載誌
J. Pharm. Biomed. Anal.
◎
巻,号,頁
vol. 178, No. e112912.
発行年
2020
発行月
1
★
著者
T. Higashi, S. Ogawa
14
論文題目
Derivatization-based sample-multiplexing for enhancing throughput in liquid chromatography/tandem mass spectrometry quantification of metabolites: an overview
掲載誌
J. Chromatogr. A
◎
巻,号,頁
vol. 1634, No. 461679
発行年
2020
発行月
著者
A. Jo, S. Koyagi, W. Hobo, S. Otani, S. Ogawa, T. Higashi
15
論文題目
Enhancing LC/ESI-MS/MS throughput for plasma bile acid assay by derivatization-based sample-multiplexing
掲載誌
Anal.Sci.
◎
巻,号,頁
vol. 36, pp. 1099-1104
発行年
2020
発行月
★
著者
S. Aso, S. Ogawa, S. Nishimoto-Kusunose, M. Satoh, T. Ishige, F. Nomura, T. Higashi
16
論文題目
Derivatization-based quadruplex LC/ESI-MS/MS method for high throughput quantification of serum dehydroepiandrosterone sulfate
掲載誌
Biomed. Chromatogr.
◎
巻,号,頁
vol. 2020,No. e5027.
発行年
2020
発行月
★
著者
Y. Yoshimura, M. Togashi, S. Ogawa, T. Higashi
17
論文題目
3-Epi-25-hydroxyvitamin D3 is a poor substrate for SULT2A1: Analysis of its 3-sulfate in cord plasma and recombinant human SULT2A1 incubate
掲載誌
Steroids
◎
巻,号,頁
vol. 162,No. 108695.
発行年
2020
発行月
著者
Y. Yoshimura, R. Hibi, A. Nakata, M. Togashi, S. Ogawa, T. Ishige, M. Satoh, F. Nomura T. Higashi
18
論文題目
Identification of conjugation positions of urinary glucuronidated vitamin D3 metabolites by LC/ESI-MS/MS after conversion to MS/MS-fragmentable derivatives
掲載誌
Biomed. Chromatogr.
◎
巻,号,頁
vol. 33, No. e4538.
発行年
2019
発行月
7
著者
T. Matsumoto, M. Sato, W. Yamazaki, S. Ogawa, T. Higashi
19
論文題目
(S)-1-(1-Methylpyridin-2-yl)-3-aminopiperidine as a novel derivatization reagent capable of enantiomeric separation and enhanced ESI-MS/MS detection for chiral carboxylic acids
掲載誌
Microchem. J.
◎
巻,号,頁
vol. 146, pp. 23-33.
発行年
2019
発行月
5
著者
Y. Horie, S. Tsubuku, M. Itoh, S. Ikegawa, S. Ogawa, T. Higashi
20
論文題目
Changes in polyamine content in rice bran due to fermentation with Aspergillus oryzae analyzed by LC/ESI-MS/MS combined with derivatization
掲載誌
Anal. Sci.
◎
巻,号,頁
vol. 35, pp. 427-432.
発行年
2019
発行月
4
著者
T. Matsumoto, W. Yamazaki, A. Jo, S. Ogawa, K. Mitamura. S. Ikegawa, T. Higashi
21
論文題目
A method for quantification of tetrahydroglucocorticoid glucuronides in human urine by LC/MS/MS with isotope-coded derivatization
掲載誌
Anal. Sci.
◎
巻,号,頁
vol. 34, pp. 1003-1009.
発行年
2018
発行月
9
著者
T. Higashi, M. Akaishi, M.Yokota, T. Suzuki, S. Ogawa, Y. Sugiura, T. Nishikawa, K. Nishimoto, M. Suematsu
22
論文題目
A method for determination of aldosterone in adrenal tributary venous serum by derivatization using Girard P reagent isotopologues followed by LC/ESI-MS/MS
掲載誌
J. Chromtogr. B
◎
巻,号,頁
vol. 1092, pp. 106-113.
発行年
2018
発行月
8
著者
K. Namegawa, K. Iida, K. Omura, S. Ogawa, A.F. Hofmann, T. Iida
23
論文題目
Chemical synthesis of rare natural bile acids: 11α-Hydroxy derivatives of lithocholic and chenodeoxycholic acids
掲載誌
Lipids
◎
巻,号,頁
vol. 53, pp. 403-411.
発行年
2018
発行月
2
著者
T. Higashi, S. Watanabe, K. Tomaru, W. Yamazaki, K. Yoshizawa, S. Ogawa, H. Nagao, K. Minato, M. Maekawa, N. Mano
24
論文題目
Unconjugated bile acids in rat brain: Analytical method based on LC/ESI-MS/MS with chemical derivatization and estimation of their origin by comparison to serum levels
掲載誌
steroids
◎
巻,号,頁
vol. 125, pp. 107-113.
発行年
2017
発行月
9
著者
T. Ishige, M. Satoh, S. Ogawa, M. Nishimura, K. Matsushita, T. Higashi, F. Nomura
25
論文題目
Improved sensitivity of serum/plasma 1α,25-dihydroxyvitamin D quantification by DAPTAD derivatization
掲載誌
Clin. Chim. Acta
◎
巻,号,頁
vol. 473, pp.173-179.
発行年
2017
発行月
8
著者
S. Ogawa, K. Takafuji, S. Tsubuku, Y. Horie, S. Ikegawa T. Higashi
26
論文題目
Isotope-coded derivatization based LC/ESI-MS/MS methods using a pair of novel reagents for quantification of hydroxycinnamic acids and hydroxybenzoic acids in fermented brown rice product
掲載誌
J. Pharm. Biomed. Anal.
◎
巻,号,頁
vol. 142, pp. 162-170.
発行年
2017
発行月
8
著者
S. Ogawa, H. Kittaka, A. Nakata, K. Komatsu, T. Sugiura, M. Satoh, F. Nomura, T. Higashi
27
論文題目
Enhancing analysis throughput, sensitivity and specificity in LC/ESI-MS/MS assay of plasma 25-hydroxyvitamin D3 by derivatization with triplex 4-(4-dimethylaminophenyl)-1,2,4-triazoline-3,5-dione (DAPTAD) isotopologues
掲載誌
J. Pharm. Biomed. Anal.
◎
巻,号,頁
vol. 136, pp. 126-133.
発行年
2017
発行月
3
著者
M. Satoh, T. Ishige, S. Ogawa, M. Nishimura, K. Matsushita, T. Higashi, F. Nomura
28
論文題目
Development and validation of the simultaneous measurement of four vitamin D metabolites in serum by LC-MS/MS for clinical laboratory applications
掲載誌
Anal. Bioanal. Chem.
◎
巻,号,頁
vol. 408, pp. 7617-7627.
発行年
2016
発行月
11
著者
T. Higashi, S. Ogawa
29
論文題目
Isotope-coded ESI-enhancing derivatization reagents for differential analysis, quantification and profiling of metabolites in biological samples by LC/MS: a review
掲載誌
J. Pharm. Biomed. Anal.
◎
巻,号,頁
vol. 130, pp. 181-193.
発行年
2016
発行月
10
著者
T. Higashi, M. Yokota, A. Goto, K. Komatsu, T. Sugiura, S. Ogawa, M. Satoh, F. Nomura
30
論文題目
A method for simultaneous determination of 25-hydroxyvitamin D3 and its 3-sulfate in newborn plasma by LC/ESI-MS/MS after derivatization with a proton-affinitive Cookson-type reagent
掲載誌
Mass Spectrom. (Tokyo)
◎
巻,号,頁
vol. 5, S0051
発行年
2016
発行月
9
著者
T. Higashi, S. Ogawa
31
論文題目
Chemical derivatization for enhancing sensitivity during LC/ESI-MS/MS quantification of steroids in biological samples: a review
掲載誌
J. Steroid Biochem. Mol. Biol.
◎
巻,号,頁
vol. 162, pp. 57-69.
発行年
2016
発行月
9
著者
S. Ogawa, H. Kittaka, K. Shinoda, S. Ooki, A. Nakata, T. Higashi
32
論文題目
Comparative evaluation of new Cookson-type reagents for LC/ESI-MS/MS assay of 25-hydroxyvitamin D3 in neonatal blood sample
掲載誌
Biomed. Chromatogr.
◎
巻,号,頁
vol. 30, pp. 938-945.
発行年
2016
発行月
6
著者
T. Higashi, K. Yamagata, Y. Kato, Y. Ogawa, K. Takano, Y. Nakaaze, T. Iriyama, J.Z. Min, S. Ogawa
33
論文題目
Methods for determination of fingernail steroids by LC/MS/MS and differences in their contents between right and left hands
掲載誌
steroids
◎
巻,号,頁
vol. 109, pp. 60-65.
発行年
2016
発行月
5
著者
S. Ogawa, K. Tomaru, N. Matsumoto, S. Watanabe, T. Higashi
34
論文題目
LC/ESI-MS/MS method for determination of salivary eicosapentaenoic acid concentration to arachidonic acid concentration ratio
掲載誌
Biomed. Chromatogr.
◎
巻,号,頁
vol. 30, pp. 29-34.
発行年
2016
発行月
1
著者
T. Higashi, N. Aiba, T. Tanaka, K. Yoshizawa, S. Ogawa
35
論文題目
Methods for differential and quantitative analyses of brain neurosteroid levels by LC/MS/MS with ESI-enhancing and isotope-coded derivatization
掲載誌
J. Pharm. Biomed. Anal.
◎
巻,号,頁
vol. 117, pp. 155-162.
発行年
2016
発行月
1
著者
T. Higashi, A. Goto, M. Morohashi, S. Ogawa, K. Komatsu, T. Sugiura, T. Fukuoka, K. Mitamura
36
論文題目
Development and validation of a method for determination of plasma 25-hydroxyvitamin D3 3-sulfate using liquid chromatography/tandem mass spectrometry
掲載誌
J. Chromatogr. B
◎
巻,号,頁
vol. 969, pp. 230-234.
発行年
2014
発行月
10
著者
S. Ogawa, H. Tadokoro, M. Sato, T. Higashi
37
論文題目
Enantioselective determination of ibuprofen in saliva by liquid chromatography/tandem mass spectrometry with chiral electrospray ionization-enhancing and stable isotope-coded derivatization
掲載誌
J. Pharm. Biomed. Anal.
◎
巻,号,頁
vol. 98, pp. 387-392.
発行年
2014
発行月
9
著者
S. Ogawa, S. Ooki, K. Shinoda, T. Higashi
38
論文題目
Analysis of urinary vitamin D3 metabolites by liquid chromatography/tandem mass spectrometry with ESI-enhancing and stable isotope-coded derivatization
掲載誌
Anal. Bioanal. Chem.
◎
巻,号,頁
vol. 406, pp. 6647-6654.
発行年
2014
発行月
8
著者
S. Ogawa, H. Tadokoro, M. Sato, T. Hanawa, T. Higashi
39
論文題目
(S)-1-(4-Dimethylaminophenyl)-3-amino- pyrrolidine: a derivatization reagent for enantiomeric separation and sensitive detection of chiral carboxylic acids by LC/ESI-MS/MS
掲載誌
J. Chromatogr. B
◎
巻,号,頁
vol. 940, pp. 7-14.
発行年
2013
発行月
12
著者
S. Ogawa, S. Ooki, M. Morohashi, K. Yamagata, T. Higashi
40
論文題目
A novel Cookson-type reagent for enhancing sensitivity and specificity in assessment of infant vitamin D status using liquid chromatography/tandem mass spectrometry
掲載誌
Rapid Commun. Mass Spectrom.
◎
巻,号,頁
vol. 25, pp. 2453-2460.
発行年
2013
発行月
11
著者
S. Ogawa, B. Zhou, Y. Kimoto, K. Omura, A. Kobayashi, T. Higashi, K. Mitamura, S. Ikegawa, L.R. Hagey, A.F. Hofmann, T. Iida
41
論文題目
An efficient synthesis of 7α,12α-dihydroxy-4-cholesten-3-one and its biological precursor 7α-hydroxy-4-cholesten-3-one: Key intermediates in bile acid biosynthesis
掲載誌
Steroids
◎
巻,号,頁
vol. 78, pp. 927-937.
発行年
2013
発行月
9
著者
T. Higashi, M. Hijikuro, K. Yamagata, S. Ogawa
42
論文題目
Overestimation of salivary 25-hydroxyvitamin D3 level when using stimulated saliva with gum-chewing
掲載誌
Steroids
◎
巻,号,頁
vol. 78, pp. 884-887.
発行年
2013
発行月
9
著者
T. Higashi, K. Kawasaki , N. Matsumoto, S. Ogawa, K. Mitamura, S. Ikegawa
43
論文題目
LC/MS/MS of steroids having vicinal diol as electrospray-active boronates
掲載誌
Chem. Pharm. Bull.
◎
巻,号,頁
vol. 61, pp. 326-332.
発行年
2013
発行月
3
著者
S. Ogawa, H. Kawamoto, T. Mitsuma, H. Fujimori, T. Higashi, T. Iida
44
論文題目
Stereoselective synthesis and NMR characterization of C-24 epimeric pairs of 24-alkyl oxysterols