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Tomofumi Santa
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43
Fukushima, Takeshi
34
Imai, Kazuhiro
26
Homma, Hiroshi
26
Imai, Kohzoh
11
Uchiyama, Seiichi
8
Tsunoda, Makoto
6
Sawada, Yasufumi
6
Iga, Tatsuji
5
Funatsu, Takashi
5
Al-Dirbashi, Osama
5
Kato, Masahiro
4
Suzuki, Sachiko
4
Tomiya, Masayuki
4
Toriba, Akira
4
Toyo'oka, Toshimasa
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All Publications
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2009: Santa Tomofumi; Al-Dirbashi Osama Y; Yoshikado Takashi; Fukushima Takeshi; Imai Kazuhiro
Synthesis of benzofurazan derivatization reagents for short chain carboxylic acids in liquid chromatography/electrospray ionization-tandem mass spectrometry (LC/ESI-MS/MS).
Biomedical chromatography : BMC 2009;23(4):443-6.
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2008: Al-Dirbashi Osama Y; Santa Tomofumi; Rashed Mohamed S; Al-Hassnan Zuhair; Shimozawa Nobuyuki; Chedrawi Aziza; Jacob Minnie; Al-Mokhadab Manhal
Rapid UPLC-MS/MS method for routine analysis of plasma pristanic, phytanic, and very long chain fatty acid markers of peroxisomal disorders.
Journal of lipid research 2008;49(8):1855-62.
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2008: Santa Tomofumi; Fukushima Takeshi; Ichibangase Tomoko; Imai Kazuhiro
Recent progress in the development of derivatization reagents having a benzofurazan structure.
Biomedical chromatography : BMC 2008;22(4):343-53.
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2008: Santa Tomofumi; Al-Dirbashi Osama Y; Ichibangase Tomoko; Rashed Mohamed S; Fukushima Takeshi; Imai Kazuhiro
Synthesis of 4-[2-(N,N-dimethylamino)ethylaminosulfonyl]-7-N-methylhydrazino-2,1,3-benzoxadiazole (DAABD-MHz) as a derivatization reagent for aldehydes in liquid chromatography/electrospray ionization-tandem mass spectrometry.
Biomedical chromatography : BMC 2008;22(2):115-8.
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2008: Fukushima Takeshi; Arai Kotaro; Tomiya Masayuki; Mitsuhashi Shogo; Sasaki Tsukasa; Santa Tomofumi; Imai Kazuhiro; Toyo'oka Toshimasa
Fluorescence determination of N-acetylaspartic acid in the rat cerebrum homogenate using high-performance liquid chromatography with pre-column fluorescence derivatization.
Biomedical chromatography : BMC 2008;22(1):100-5.
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2007: Santa Tomofumi; Al-Dirbashi Osama Y; Ichibangase Tomoko; Fukushima Takeshi; Rashed Mohamed S; Funatsu Takashi; Imai Kazuhiro
Synthesis of benzofurazan derivatization reagents for carboxylic acids in liquid chromatography/electrospray ionization-tandem mass spectrometry.
Biomedical chromatography : BMC 2007;21(11):1207-13.
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2007: Suzuki Sachiko; Nishida Satoshi; Ohno Ken-Ichi; Santa Tomofumi
Modulation of coactivator recruitment by cooperative ligand binding to human Estrogen receptor alpha and beta.
Biological & pharmaceutical bulletin 2007;30(9):1641-7.
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2007: Mitsuhashi Shogo; Fukushima Takeshi; Arai Kotaro; Tomiya Masayuki; Santa Tomofumi; Imai Kazuhiro; Toyo'oka Toshimasa
Development of a column-switching high-performance liquid chromatography for kynurenine enantiomers and its application to a pharmacokinetic study in rat plasma.
Analytica chimica acta 2007;587(1):60-6.
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2007: Mitsuhashi Shogo; Fukushima Takeshi; Tomiya Masayuki; Santa Tomofumi; Imai Kazuhiro; Toyo'oka Toshimasa
Determination of kynurenine levels in rat plasma by high-performance liquid chromatography with pre-column fluorescence derivatization.
Analytica chimica acta 2007;584(2):315-21.
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2007: Al-Dirbashi Osama Y; Santa Tomofumi; Al-Qahtani Khalid; Al-Amoudi Mohammed; Rashed Mohamed S
Analysis of organic acid markers relevant to inherited metabolic diseases by ultra-performance liquid chromatography/tandem mass spectrometry as benzofurazan derivatives.
Rapid communications in mass spectrometry : RCM 2007;21(13):1984-90.
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2006: Tsukamoto Yuhki; Santa Tomofumi; Yoshida Hiroo; Miyano Hiroshi; Fukushima Takeshi; Hirayama Kazuo; Imai Kazuhiro; Funatsu Takashi
A further study on the combined use of internal standard and isotope-labeled derivatization reagent for expansion of linear dynamic ranges in liquid chromatography-electrospray mass spectrometry.
Biomedical chromatography : BMC 2006;20(10):1049-55.
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2006: Tomiya Masayuki; Fukushima Takeshi; Kawai Junko; Aoyama Chiaki; Mitsuhashi Shogo; Santa Tomofumi; Imai Kazuhiro; Toyo'oka Toshimasa
Alterations of plasma and cerebrospinal fluid glutamate levels in rats treated with the N-methyl-D-aspartate receptor antagonist, ketamine.
Biomedical chromatography : BMC 2006;20(6-7):628-33.
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2006: Santa Tomofumi; Aoyama Chiaki; Fukushima Takeshi; Imai Kazuhiro; Funatsu Takashi
Suppression of thiol exchange reaction in the determination of reduced-form thiols by high-performance liquid chromatography with fluorescence detection after derivatization with fluorogenic benzofurazan reagent, 7-fluoro-2,1,3-benzoxadiazole-4-sulfonate and 4-aminosulfonyl-7-fluoro-2,1,3-benzoxadiazole.
Biomedical chromatography : BMC 2006;20(6-7):656-61.
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2006: Shirahata Takaaki; Tsunoda Makoto; Santa Tomofumi; Kirino Yutaka; Watanabe Satoshi
Depletion of serotonin selectively impairs short-term memory without affecting long-term memory in odor learning in the terrestrial slug Limax valentianus.
Learning & memory (Cold Spring Harbor, N.Y.) 2006;13(3):267-70.
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2006: Tsukamoto Yuhki; Santa Tomofumi; Yoshida Hiroo; Miyano Hiroshi; Fukushima Takeshi; Hirayama Kazuo; Imai Kazuhiro; Funatsu Takashi
Synthesis of the isotope-labeled derivatization reagent for carboxylic acids, 7-(N,N-dimethylaminosulfonyl)-4-(aminoethyl)piperazino-2,1,3-benzoxadiazole (d6) [DBD-PZ-NH2 (D)], and its application to the quantification and the determination of relative amount of fatty acids in rat plasma samples by high-performance liquid chromatography/mass spectrometry.
Biomedical chromatography : BMC 2006;20(4):358-64.
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2005: Kubota Kazuyuki; Fukushima Takeshi; Yuji Reiko; Miyano Hiroshi; Hirayama Kazuo; Santa Tomofumi; Imai Kazuhiro
Development of an HPLC-fluorescence determination method for carboxylic acids related to the tricarboxylic acid cycle as a metabolome tool.
Biomedical chromatography : BMC 2005;19(10):788-95.
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2005: Tsukamoto Yuhki; Santa Tomofumi; Saimaru Hiroshi; Imai Kazuhiro; Funatsu Takashi
Synthesis of benzofurazan derivatization reagents for carboxylic acids and its application to analysis of fatty acids in rat plasma by high-performance liquid chromatography-electrospray ionization mass spectrometry.
Biomedical chromatography : BMC 2005;19(10):802-8.
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2005: Hamamoto Hiroshi; Kamura Koushirou; Razanajatovo Iony Manitra; Murakami Kazuhisa; Santa Tomofumi; Sekimizu Kazuhisa
Effects of molecular mass and hydrophobicity on transport rates through non-specific pathways of the silkworm larva midgut.
International journal of antimicrobial agents 2005;26(1):38-42.
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2005: Onoda Maki; Tokuyama Hidetoshi; Uchiyama Seiichi; Mawatari Ken-Ichi; Santa Tomofumi; Kaneko Kiyoko; Imai Kazuhiro; Nakagomi Kazuya
Fluorescence enhancement by hydroperoxides based on a change in the intramolecular charge transfer character of benzofurazan.
Chemical communications (Cambridge, England) 2005;(14):1848-50.
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2005: Ohike Yumiko; Kozaki Koichi; Iijima Katsuya; Eto Masato; Kojima Taro; Ohga Eijiro; Santa Tomofumi; Imai Kazuhiro; Hashimoto Masayoshi; Yoshizumi Masao; Ouchi Yasuyoshi
Amelioration of vascular endothelial dysfunction in obstructive sleep apnea syndrome by nasal continuous positive airway pressure--possible involvement of nitric oxide and asymmetric NG, NG-dimethylarginine.
Circulation journal : official journal of the Japanese Circulation Society 2005;69(2):221-6.
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2004: Saito Mitsue; Santa Tomofumi; Tsunoda Makoto; Hamamoto Hiroshi; Usui Noriko
An automated analyzer for vancomycin in plasma samples by column-switching high-performance liquid chromatography with UV detection.
Biomedical chromatography : BMC 2004;18(9):735-8.
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2004: Aoyama Chiaki; Santa Tomofumi; Tsunoda Makoto; Fukushima Takeshi; Kitada Chieko; Imai Kazuhiro
A fully automated amino acid analyzer using NBD-F as a fluorescent derivatization reagent.
Biomedical chromatography : BMC 2004;18(9):630-6.
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2004: Uchino Erika; Fukushima Takeshi; Tsunoda Makoto; Santa Tomofumi; Imai Kazuhiro
Determination of rat blood S-D-lactoylglutathione by a column-switching high-performance liquid chromatography with precolumn fluorescence derivatization with 4-fluoro-7-nitro-2,1,3-benzoxadiazole.
Analytical biochemistry 2004;330(2):186-92.
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2004: Hamamoto Hiroshi; Kurokawa Kenji; Kaito Chikara; Kamura Koushirou; Manitra Razanajatovo Iony; Kusuhara Hiroyuki; Santa Tomofumi; Sekimizu Kazuhisa
Quantitative evaluation of the therapeutic effects of antibiotics using silkworms infected with human pathogenic microorganisms.
Antimicrobial agents and chemotherapy 2004;48(3):774-9.
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2004: Masuda Mayumi; Toriumi Chifuyu; Santa Tomofumi; Imai Kazuhiro
Fluorogenic derivatization reagents suitable for isolation and identification of cysteine-containing proteins utilizing high-performance liquid chromatography-tandem mass spectrometry.
Analytical chemistry 2004;76(3):728-35.
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2003: Huang Cheng Zhi; Santa Tomofumi; Okabe Kohki; Imai Kazuhiro
Capillary electrophoresis with laser induced-fluorescence detection of profens derivatized with the water-soluble fluorogenic reagent 4-N-(4-N'-aminoethyl)piperazino-7-nitro-2,1,3-benzoxadiazole.
Journal of chromatography. A 2003;1011(1-2):193-201.
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2003: Ohno Ken-ichi; Suzuki Sachiko; Fukushima Takeshi; Maeda Masako; Santa Tomofumi; Imai Kazuhiro
Study on interactions of endocrine disruptors with estrogen receptor using fluorescence polarization.
The Analyst 2003;128(8):1091-6.
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2003: Suzuki Sachiko; Ohno Ken-ichi; Santa Tomofumi; Imai Kazuhiro
Study on interactions of endocrine disruptors with estrogen receptor-beta using fluorescence polarization.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 2003;19(8):1103-8.
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2003: Onoda Maki; Uchiyama Seiichi; Endo Atsushi; Tokuyama Hidetoshi; Santa Tomofumi; Imai Kazuhiro
First fluorescent photoinduced electron transfer (PET) reagent for hydroperoxides.
Organic letters 2003;5(9):1459-61.
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2003: Azuma Kentaro; Suzuki Sachiko; Uchiyama Seiichi; Kajiro Toshi; Santa Tomofumi; Imai Kazuhiro
A study of the relationship between the chemical structures and the fluorescence quantum yields of coumarins, quinoxalinones and benzoxazinones for the development of sensitive fluorescent derivatization reagents.
Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology 2003;2(4):443-9.
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2003: Uchiyama Seiichi; Takehira Kazuyuki; Kohtani Shigeru; Imai Kazuhiro; Nakagaki Ryoichi; Tobita Seiji; Santa Tomofumi
Fluorescence on-off switching mechanism of benzofurazans.
Organic & biomolecular chemistry 2003;1(6):1067-72.
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2003: Fukushima Takeshi; Usui Noriko; Santa Tomofumi; Imai Kazuhiro
Recent progress in derivatization methods for LC and CE analysis.
Journal of pharmaceutical and biomedical analysis 2003;30(6):1655-87.
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2002: Okabe Kohki; Wada Reiko; Ohno Ken-ichi; Uchiyama Seiichi; Santa Tomofumi; Imai Kazuhiro
Development of hydrophilic fluorogenic derivatization reagents for thiols: 4-(N-acetylaminosulfonyl)-7-fluoro-2,1,3-benzoxadiazole and 4-(N-trichloroacetylaminosulfonyl)-7-fluoro-2,1,3-benzoxadiazole.
Journal of chromatography. A 2002;982(1):111-8.
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2002: Santa Tomofumi; Matsumura Daisuke; Huang ChengZhi; Kitada Chieko; Imai Kazuhiro
Design and synthesis of a hydrophilic fluorescent derivatization reagent for carboxylic acids, 4-N-(4-N-aminoethyl)piperazino-7-nitro-2,1,3-benzoxadiazole (NBD-PZ-NH2), and its application to capillary electrophoresis with laser-induced fluorescence detection.
Biomedical chromatography : BMC 2002;16(8):523-8.
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2002: Ohno Ken-ichi; Fukushima Takeshi; Santa Tomofumi; Waizumi Nobuaki; Tokuyama Hidetoshi; Maeda Masako; Imai Kazuhiro
Estrogen receptor binding assay method for endocrine disruptors using fluorescence polarization.
Analytical chemistry 2002;74(17):4391-6.
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2002: Onoda Maki; Uchiyama Seiichi; Santa Tomofumi; Imai Kazuhiro
A photoinduced electron-transfer reagent for peroxyacetic acid, 4-ethylthioacetylamino-7-phenylsulfonyl-2,1,3-benzoxadiazole, based on the method for predicting the fluorescence quantum yields.
Analytical chemistry 2002;74(16):4089-96.
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2002: Huang Cheng Zhi; Santa Tomofumi; Imai Kazuhiro
Development of 7-(N,N-dimethylaminosulfonyl)-5-N-(4-N-aminoethyl)piperazino-2,1,3-benzoxadiazole as a water-soluble fluorogenic reagent for the sensitive liquid chromatographic determination of saturated carboxylic acids.
The Analyst 2002;127(6):741-7.
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2002: Okiyama Natsuko; Santa Tomofumi; Toriba Akira; Nakagomi Kazuya; Imai Kazuhiro; Hiranuma Hidenori; Tanaka Hiroshi
An automated fluorescence protein sequencer using 7-methylthio-4-(2,1,3-benzoxadiazolyl) isothiocyanate (MTBD-NCS) as an Edman reagent.
Biomedical chromatography : BMC 2002;16(3):183-6.
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2002: Dobashi Yasuo; Santa Tomofumi; Nakagomi Kazuya; Imai Kazuhiro
An automated analyzer for methylated arginines in rat plasma by high-performance liquid chromatography with post-column fluorescence reaction.
The Analyst 2002;127(1):54-9.
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2002: Onoda Maki; Uchiyama Seiichi; Santa Tomofumi; Imai Kazuhiro
The effects of spacer length on the fluorescence quantum yields of the benzofurazan compounds bearing a donor-acceptor system.
Luminescence : the journal of biological and chemical luminescence 2002;17(1):11-4.
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2001: Iida T; Santa T; Toriba A; Imai K
Amino acid sequence and D/L-configuration determination methods for D-amino acid-containing peptides in living organisms.
Biomedical chromatography : BMC 2001;15(5):319-27.
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2001: Uchiyama S; Santa T; Okiyama N; Fukushima T; Imai K
Fluorogenic and fluorescent labeling reagents with a benzofurazan skeleton.
Biomedical chromatography : BMC 2001;15(5):295-318.
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2001: Uchiyama S; Santa T; Imai K
A fluorogenic reagent, 4-mercapto-7-methylthio-2,1,3-benzoxadiazole for carboxylic acids, designed by prediction of the fluorescence intensity.
Analytical chemistry 2001;73(10):2165-70.
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2000: Tsunoda M; Takezawa K; Santa T; Ina Y; Nagashima K; Ohmori K; Kobayashi S; Imai K
New approach for measurement of sympathetic nervous abnormality in conscious, spontaneously hypertensive rats.
Japanese journal of pharmacology 2000;83(1):39-45.
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2000: Huang Y; Santa T; Uchiyama S; Imai K
Fluorescent oxidation products derived from DBD-thiocarbamoyl amino acid in the modified Edman sequencing analysis.
Biomedical chromatography : BMC 2000;14(2):133-6.
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2000: Takezawa K; Tsunoda M; Murayama K; Santa T; Imai K
Automatic semi-microcolumn liquid chromatographic determination of catecholamines in rat plasma utilizing peroxyoxalate chemiluminescence reaction.
The Analyst 2000;125(2):293-6.
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2000: Toriba A; Adzuma K; Santa T; Imai K
Development of an amino acid sequence and D/L-configuration determination method of peptide with a new fluorescence Edman reagent, 7-methylthio-4-(2,1,3-benzoxadiazolyl) isothiocyanate.
Analytical chemistry 2000;72(4):732-9.
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1999: Tsunoda M; Kato M; Fukushima T; Santa T; Homma H; Yanai H; Soga T; Imai K
Determination of aspartic acid enantiomers in bio-samples by capillary electrophoresis.
Biomedical chromatography : BMC 1999;13(5):335-9.
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1999: Huang Y; Matsunaga H; Toriba A; Santa T; Fukushima T; Imai K
Detection of DBD-carbamoyl amino acids in amino acid sequence and D/L configuration determination of peptides with fluorogenic Edman reagent 7-[(N,N-dimethylamino)sulfonyl]-2,1,3-benzoxadiazol-4-yl isothiocyanate.
Analytical biochemistry 1999;270(2):257-67.
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1999: Tsunoda M; Takezawa K; Santa T; Imai K
Simultaneous automatic determination of catecholamines and their 3-O-methyl metabolites in rat plasma by high-performance liquid chromatography using peroxyoxalate chemiluminescence reaction.
Analytical biochemistry 1999;269(2):386-92.
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1999: Prados P; Matsunaga H; Mori T; Santa T; Fukushima T; Homma H; Kasai C; Imai K
Changes of plasma L-arginine levels in spontaneously hypertensive rats under induced hypotension.
Biomedical chromatography : BMC 1999;13(1):27-32.
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1998: Kato M; Fukushima T; Santa T; Nakashima K; Nishioka R; Imai K
Preparation and evaluation of new Pirkle type chiral stationary phases with long alkyl chains for the separation of amino acid enantiomers derivatized with NBD-F.
The Analyst 1998;123(12):2877-82.
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1998: Santa T; Takeda A; Uchiyama S; Fukushima T; Homma H; Suzuki S; Yokosu H; Lim C K; Imai K
N-(4-nitro-2,1,3-benzoxadiazoyl-7-yl)-N-methyl-2-aminoacetohydrazide (NBD-CO-Hz) as a precolumn fluorescent derivatization reagent for carboxylic acids in high-performance liquid chromatography.
Journal of pharmaceutical and biomedical analysis 1998;17(6-7):1065-70.
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1998: al-Kindy S; Santa T; Fukushima T; Homma H; Imai K
Enantiomeric determination of amines by high-performance liquid chromatography using chiral fluorescent derivatization reagents.
Biomedical chromatography : BMC 1998;12(5):276-80.
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1998: Prados P; Santa T; Fukushima T; Homma H; Kasai C; Martin M A; del Castillo B; Imai K
Age-related weakening of baroreflex-mediated sympathetic activity in spontaneously hypertensive rats in response to blood pressure reduction.
Hypertension research : official journal of the Japanese Society of Hypertension 1998;21(3):147-53.
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1998: Takigawa Y; Homma H; Lee J A; Fukushima T; Santa T; Iwatsubo T; Imai K
D-aspartate uptake into cultured rat pinealocytes and the concomitant effect on L-aspartate levels and melatonin secretion.
Biochemical and biophysical research communications 1998;248(3):641-7.
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1998: Iida T; Matsunaga H; Santa T; Fukushima T; Homma H; Imai K
Amino acid sequence and D/L-configuration determination of peptides utilizing liberated N-terminus phenylthiohydantoin amino acids.
Journal of chromatography. A 1998;813(2):267-75.
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1998: Santa T; Luo J; Lim C K; Imai K
Enantiomeric separation and detection by high-performance liquid chromatography-mass spectrometry of 2-arylpropionic acids derivatized with benzofurazan fluorescent reagents.
Biomedical chromatography : BMC 1998;12(2):73-7.
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1998: Huang Y; Nishikawa T; Satoh K; Iwata T; Fukushima T; Santa T; Homma H; Imai K
Urinary excretion of D-serine in human: comparison of different ages and species.
Biological & pharmaceutical bulletin 1998;21(2):156-62.
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1998: Fukushima T; Murayama K; Santa T; Homma H; Imai K
Enantiomeric separation of d-/l-norepinephrine and -epinephrine by high-performance liquid chromatography with a beta-cyclodextrin type chiral stationary phase.
Biomedical chromatography : BMC 1998;12(1):1-3.
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1997: Yang X; Fukushima T; Santa T; Homma H; Imai K
Enantiomeric separation and sensitive detection of propranolol, metoprolol and atenolol derivatized with a fluorogenic reagent, 4-(N-chloroformylmethyl-N-methyl)amino-7-N,N-dimethylaminosulf onyl-2,1, 3-benzoxadiazole (DBD-COCl), on cellulose chiral columns in the reversed-phase mode.
The Analyst 1997;122(11):1365-9.
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1997: Sakai K; Homma H; Lee J A; Fukushima T; Santa T; Tashiro K; Iwatsubo T; Imai K
D-aspartic acid localization during postnatal development of rat adrenal gland.
Biochemical and biophysical research communications 1997;235(2):433-6.
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1997: al-Kindy S; Santa T; Fukushima T; Homma H; Imai K
1-(5-Dimethylamino-1-naphthalenesulphonyl)-(S)-3-aminopyrrolidine (DNS-Apy) as a fluorescence chiral labelling reagent for carboxylic acid enantiomers.
Biomedical chromatography : BMC 1997;11(3):137-42.
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1997: Prados P; Santa T; Homma H; Doi H; Narita H; Del Castillo B; Martin M A; Imai K
Comparison of the sympathetic nervous system activity between spontaneously hypertensive and Wistar-Kyoto rats to respond to blood pressure reduction.
Biological & pharmaceutical bulletin 1997;20(4):341-4.
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1997: Imai K; Gohda R; Fukushima T; Santa T; Homma H
Optimization of the reaction conditions for the peroxyoxalate chemiluminescence detection system of fluorescent compounds in HPLC.
Biomedical chromatography : BMC 1997;11(2):73.
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1997: Hamase K; Homma H; Takigawa Y; Fukushima T; Santa T; Imai K
Regional distribution and postnatal changes of D-amino acids in rat brain.
Biochimica et biophysica acta 1997;1334(2-3):214-22.
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1997: Lee J A; Homma H; Sakai K; Fukushima T; Santa T; Tashiro K; Iwatsubo T; Yoshikawa M; Imai K
Immunohistochemical localization of D-aspartate in the rat pineal gland.
Biochemical and biophysical research communications 1997;231(2):505-8.
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1996: Imai K; Fukushima T; Santa T; Homma H; Hamase K; Sakai K; Kato M
Analytical chemistry and biochemistry of D-amino acids.
Biomedical chromatography : BMC 1996;10(6):303-12.
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1996: Matsunaga H; Santa T; Iida T; Fukushima T; Homma H; Imai K
Proton: a major factor for the racemization and the dehydration at the cyclization/cleavage stage in the Edman sequencing method.
Analytical chemistry 1996;68(17):2850-6.
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1996: Kimoto K; Gohda R; Murayama K; Santa T; Fukushima T; Homma H; Imai K
Sensitive detection of near-infrared fluorescent dyes using high-performance liquid chromatography with peroxyoxalate chemiluminescence detection system.
Biomedical chromatography : BMC 1996;10(4):189-90.
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1996: Santa T; Kimoto K; Fukushima T; Homma H; Imai K
4-(N-hydrazinoformylmethyl-N-methyl)-amino-7-N, N-dimethylaminosulphonyl-2,1,3-benzoxadiazole (DBD-CO-Hz) as a precolumn fluorescence derivatization reagent for carboxylic acids in high-performance liquid chromatography.
Biomedical chromatography : BMC 1996;10(4):183-5.
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1996: Matsunaga H; Iida T; Fukushima T; Santa T; Homma H; Imai K
Boron trifluoride-etherate (Lewis acid) as an efficient acid at cyclization/cleavage reaction of D/L-amino acids affording the retention of their original configuration in the Edman sequencing method of peptides.
Biomedical chromatography : BMC 1996;10(2):95-6.
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1995: Matsunaga H; Santa T; Hagiwara K; Homma H; Imai K; Uzu S; Nakashima K; Akiyama S
Development of an efficient amino acid sequencing method using fluorescent Edman reagent 7-[(N,N-dimethylamino)sulfonyl]-2,1,3-benzoxadiazol-4-yl isothiocyanate.
Analytical chemistry 1995;67(23):4276-82.
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1995: Santa T; Yoshioka D; Homma H; Imai K; Satoh M; Takayanagi I
High-performance liquid chromatography of fullerence (C60) in plasma using ultraviolet and mass spectrometric detection.
Biological & pharmaceutical bulletin 1995;18(9):1171-4.
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1995: Fukushima T; Santa T; Homma H; Nagatomo R; Imai K
Determination of D-amino acids in serum from patients with renal dysfunction.
Biological & pharmaceutical bulletin 1995;18(8):1130-2.
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1995: Imai K; Matsunaga H; Santa T; Homma H
Availability of phenylisothiocyanate for the amino acid sequence/configuration determination of peptides containing D/L-amino acids.
Biomedical chromatography : BMC 1995;9(4):195-6.
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1995: Kato M; Fukushima T; Santa T; Homma H; Imai K
Determination of D-amino acids, derivatized with 4-fluoro-7-nitro-2,1,3-benzoxadiazole (NBD-F), in wine samples by high-performance liquid chromatography.
Biomedical chromatography : BMC 1995;9(4):193-4.
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1995: Imai K; Matsunaga H; Fukushima T; Santa T; Homma H; Nakashima K; Akiyama S
A novel method for the amino acid sequence/configuration determination of peptides containing D/L-amino acids utilizing a fluorogenic Edman reagent, 7-N,N-dimethylaminosulphonyl-4-(2,1,3-benzoxadiazolyl)isothiocyanate (DBD-NCS).
Biomedical chromatography : BMC 1995;9(3):152-4.
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1995: Santa T; Koga D; Imai K
Reversed-phase high-performance liquid chromatography of fullerenes with tetrahydrofuran-water as a mobile phase and sensitive ultraviolet or electrochemical detection.
Biomedical chromatography : BMC 1995;9(2):110-1.
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1995: Imai K; Fukushima T; Hagiwara K; Santa T
Occurrence of D-aspartic acid in rat brain pineal gland.
Biomedical chromatography : BMC 1995;9(2):106-9.
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1995: Yamamura Y; Santa T; Kotaki H; Uchino K; Sawada Y; Iga T
Administration-route dependency of absorption of glycyrrhizin in rats: intraperitoneal administration dramatically enhanced bioavailability.
Biological & pharmaceutical bulletin 1995;18(2):337-41.
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1995: Koga D; Santa T; Hagiwara K; Imai K; Takizawa H; Nagano T; Hirobe M; Ogawa M; Sato T; Inoue K
High-performance liquid chromatography and fluorometric detection of arachidonylethanolamide (anandamide) and its analogues, derivatized with 4-(N-chloroformylmethyl-N-methyl)amino-7-N,N-dimethylaminosulp honyl-2,1 ,3- benzoxadiazole (DBD-COCl).
Biomedical chromatography : BMC 1995;9(1):56-7.
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1995: Fukushima T; Kato M; Santa T; Imai K
Enantiomeric separation and sensitive determination of D,L-amino acids derivatized with fluorogenic benzofurazan reagents on Pirkle type stationary phases.
Biomedical chromatography : BMC 1995;9(1):10-7.
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1995: Yamamura Y; Tanaka N; Santa T; Kotaki H; Aikawa T; Uchino K; Osuga T; Sawada Y; Iga T
The relationship between pharmacokinetic behaviour of glycyrrhizin and hepatic function in patients with acute hepatitis and liver cirrhosis.
Biopharmaceutics & drug disposition 1995;16(1):13-21.
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1994: Imai K; Higashidate S; Prados P R; Santa T; Adachi-Akahane S; Nagao T
Relation between blood pressure and plasma catecholamine concentration after administration of calcium antagonists to rats.
Biological & pharmaceutical bulletin 1994;17(7):907-10.
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1993: Tanaka N; Yamamura Y; Santa T; Kotaki H; Uchino K; Sawada Y; Aikawa T; Osuga T; Iga T
Pharmacokinetic profiles of glycyrrhizin in patients with chronic hepatitis.
Biopharmaceutics & drug disposition 1993;14(7):609-14.
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1993: Kawakami J; Yamamura Y; Santa T; Kotaki H; Uchino K; Sawada Y; Iga T
Kinetic analysis of glycyrrhetic acid, an active metabolite of glycyrrhizin, in rats: role of enterohepatic circulation.
Journal of pharmaceutical sciences 1993;82(3):301-5.
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1992: Yamamura Y; Kawakami J; Santa T; Kotaki H; Uchino K; Sawada Y; Tanaka N; Iga T
Pharmacokinetic profile of glycyrrhizin in healthy volunteers by a new high-performance liquid chromatographic method.
Journal of pharmaceutical sciences 1992;81(10):1042-6.
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1991: Yamamura Y; Kawakami J; Santa T; Kotaki H; Uchino K; Sawada Y; Iga T
Selective high-performance liquid chromatographic method for the determination of glycyrrhizin and glycyrrhetic acid-3-O-glucuronide in biological fluids: application of ion-pair extraction and fluorescence labelling agent.
Journal of chromatography 1991;567(1):151-60.
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