| Clostridium scindens: a human gut microbe with a high potential to convert glucocorticoids into androgens JM Ridlon, S Ikegawa, JMP Alves, B Zhou, A Kobayashi, T Iida, ... Journal of lipid research 54 (9), 2437-2449, 2013 | 297 | 2013 |
| Gas chromatography and high-performance liquid chromatography of natural steroids K Shimada, K Mitamura, T Higashi Journal of Chromatography A 935 (1-2), 141-172, 2001 | 244 | 2001 |
| Derivatization of thiol-containing compounds K Shimada, K Mitamura Journal of Chromatography B: Biomedical Sciences and Applications 659 (1-2 …, 1994 | 207 | 1994 |
| Oxysterols are substrates for cholesterol sulfotransferase H Fuda, NB Javitt, K Mitamura, S Ikegawa, CA Strott Journal of lipid research 48 (6), 1343-1352, 2007 | 122 | 2007 |
| Involvement of SIK3 in glucose and lipid homeostasis in mice T Uebi, Y Itoh, O Hatano, A Kumagai, M Sanosaka, T Sasaki, S Sasagawa, ... PloS one 7 (5), e37803, 2012 | 97 | 2012 |
| Identification of aldolase A as a potential diagnostic biomarker for colorectal cancer based on proteomic analysis using formalin-fixed paraffin-embedded tissue T Yamamoto, M Kudo, WX Peng, H Takata, H Takakura, K Teduka, T Fujii, ... Tumor Biology 37, 13595-13606, 2016 | 56 | 2016 |
| Development and validation of a method for determination of plasma 25-hydroxyvitamin D3 3-sulfate using liquid chromatography/tandem mass spectrometry T Higashi, A Goto, M Morohashi, S Ogawa, K Komatsu, T Sugiura, ... Journal of Chromatography B 969, 230-234, 2014 | 42 | 2014 |
| Identification of dehydroepiandrosterone metabolites formed from human prostate homogenate using liquid chromatography–mass spectrometry and gas chromatography–mass spectrometry K Mitamura, T Nakagawa, K Shimada, M Namiki, E Koh, A Mizokami, ... Journal of Chromatography A 961 (1), 97-105, 2002 | 41 | 2002 |
| Quantitative determination of pregnenolone 3-sulfate in rat brains using liquid chromatography/electrospray ionization–mass spectrometry K Mitamura, M Yatera, K Shimada Analytical sciences 15 (10), 951-955, 1999 | 38 | 1999 |
| Determination of digoxin in human serum using stable isotope dilution liquid chromatography/electrospray ionization-tandem mass spectrometry K Mitamura, A Horikawa, Y Yamane, Y Ikeda, Y Fujii, K Shimada Biological and Pharmaceutical Bulletin 30 (9), 1653-1656, 2007 | 37 | 2007 |
| Salivary chenodeoxycholic acid and its glycine-conjugate: their determination method using LC–MS/MS and variation of their concentrations with increased saliva flow rate T Higashi, Y Shibayama, T Ichikawa, K Ito, T Toyo’oka, K Shimada, ... Steroids 75 (4-5), 338-345, 2010 | 35 | 2010 |
| Derivatization in LC/MS K Mitamura, K Shimada ChemInform 29 (42), no-no, 1998 | 34 | 1998 |
| Quantitative determination of 25‐hydroxyvitamin D3 3‐sulphate in human plasma using high performance liquid chromatography K Shimada, K Mitamura, N Kitama Biomedical Chromatography 9 (5), 229-232, 1995 | 32 | 1995 |
| Simultaneous determination of twelve tetrahydrocorticosteroid glucuronides in human urine by liquid chromatography/electrospray ionization-linear ion trap mass spectrometry S Ikegawa, M Hasegawa, R Okihara, C Shimidzu, H Chiba, T Iida, ... Analytical chemistry 81 (24), 10124-10135, 2009 | 30 | 2009 |
| Determination of 25-hydroxyvitamin D3 in human plasma by reversed-phase high-performance liquid chromatography with ultraviolet detection K Shimada, K Mitamura, N Kitama, M Kawasaki Journal of Chromatography B: Biomedical Sciences and Applications 689 (2 …, 1997 | 28 | 1997 |
| A facile synthesis of C-24 and C-25 oxysterols by in situ generated ethyl (trifluoromethyl) dioxirane S Ogawa, G Kakiyama, A Muto, A Hosoda, K Mitamura, S Ikegawa, ... Steroids 74 (1), 81-87, 2009 | 27 | 2009 |
| Analysis of bile acid glutathione thioesters by liquid chromatography/electrospray ionization–tandem mass spectrometry K Mitamura, M Sogabe, H Sakanashi, S Watanabe, T Sakai, Y Yamaguchi, ... Journal of Chromatography B 855 (1), 88-97, 2007 | 27 | 2007 |
| Simultaneous determination of androstenediol 3-sulfate and dehydroepiandrosterone sulfate in human serum using isotope diluted liquid chromatography–electrospray ionization … K Mitamura, Y Nagaoka, K Shimada, S Honma, M Namiki, E Koh, ... Journal of Chromatography B 796 (1), 121-130, 2003 | 27 | 2003 |
| Degradation of estrogen conjugates using titanium dioxide as a photocatalyst K Mitamura, H Narukawa, T Mizuguchi, K Shimada Analytical sciences 20 (1), 3-4, 2004 | 26 | 2004 |
| Characterization of monoglucuronides of vitamin D2 and 25-hydroxyvitamin D2 in rat bile using high-performance liquid chromatography-atmospheric pressure chemical ionization … K Shimada, K Mitamura, I Nakatani Journal of Chromatography B: Biomedical Sciences and Applications 690 (1-2 …, 1997 | 25 | 1997 |
