Showing results (11-20 of 63) with videos related to

Sort By:
Pageof 7
Biomedical Chromatography : BMC|January 27, 2015
LC/ESI-MS/MS method for determination of salivary eicosapentaenoic acid concentration to arachidonic acid concentration ratioShoujiro Ogawa, Koki Tomaru, Nagisa Matsumoto, et al.
Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry|October 1, 2003
An improved method for the capillary gas chromatographic derivatization of polyhydroxylated steroids having tert-hydroxyl groupsTakashi Iida, Keisuke Shiraishi, Shoujiro Ogawa, et al.
Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences|October 18, 2013
(S)-1-(4-Dimethylaminophenylcarbonyl)-3-aminopyrrolidine: a derivatization reagent for enantiomeric separation and sensitive detection of chiral carboxylic acids by LC/ESI-MS/MSShoujiro Ogawa, Hiroaki Tadokoro, Maho Sato, et al.
Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences|April 27, 2020
Sample-multiplexing by derivatization using multiple analogous reagents for enhancing throughput in LC/ESI-MS/MS assay of steroids: Plasma 17α-hydroxyprogesterone as an exampleMiki Kamemura, Mai Yokota, Shoujiro Ogawa, et al.
Rapid Communications in Mass Spectrometry : RCM|October 8, 2013
A novel Cookson-type reagent for enhancing sensitivity and specificity in assessment of infant vitamin D status using liquid chromatography/tandem mass spectrometryShoujiro Ogawa, Satoshi Ooki, Misato Morohashi, et al.
Biomedical Chromatography : BMC|October 10, 2015
Comparative evaluation of new Cookson-type reagents for LC/ESI-MS/MS assay of 25-hydroxyvitamin D3 in neonatal blood samplesShoujiro Ogawa, Hiroki Kittaka, Kenta Shinoda, et al.
Organic & Biomolecular Chemistry|March 23, 2004
The remote-oxyfunctionalization of unactivated carbons in (5 beta)-3-oxobile acids by 2,6-dichloropyridine N-oxide catalyzed by ruthenium-porphyrin and HBr: a direct lactonization at C-20Shoujiro Ogawa, Takashi Iida, Takaaki Goto, et al.
Chemical & Pharmaceutical Bulletin|December 2, 2011
Studies on the constituents of Lagochilus leiacanthus (Labiatae)Megumi Furukawa, Hideya Suzuki, Mitsuko Makino, et al.
Chemical & Pharmaceutical Bulletin|February 3, 2007
Oxyfunctionalization products of terpenoids with dimethyldioxirane and their biological activityShoujiro Ogawa, Keiji Hosoi, Noriaki Ikeda, et al.
Journal of Pharmaceutical and Biomedical Analysis|May 23, 2017
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 productShoujiro Ogawa, Kiriko Takafuji, Sumi Tsubuku, et al.
Pageof 7