Zobrazeno 1 - 10
of 139
pro vyhledávání: '"Kiyoshi, Zaitsu"'
Autor:
Kenji Hamase, Hideoki Fukuoka, Kiyoshi Zaitsu, Satoru Koyanagi, Shigehiro Ohdo, Akiko Morikawa, Keiko Uezono, Masashi Mita
Publikováno v:
CHROMATOGRAPHY. 38:53-58
Autor:
Mayumi Fujimoto, Ryoko Konishi, Tsubasa Oyama, Rie Nagai, Kiyoshi Zaitsu, Keiko Uezono, Masashi Mita, Kenji Hamase
Publikováno v:
Analytical Sciences. 31:1129-1135
A fully-automated on-line oxidation column-switching HPLC system has been developed for the determination of endogenous melatonin in human plasma and saliva. This HPLC system consists of four processes. In the first step, melatonin is fractionated us
Autor:
Kenji Hamase, Yurika Miyoshi, Tadashi Okamura, Yosuke Tojo, Kiyoshi Zaitsu, Noriyuki Kasai, Ryuichi Konno
Publikováno v:
Journal of Chromatography B. 879:3184-3189
A fully automated two-dimensional HPLC system combining a microbore-ODS column and a narrowbore-enantioselective column was designed and validated, and the amounts of D-serine (D-Ser) and D-alanine (D-Ala) in various tissues and physiological fluids
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 78:905-908
The fluorescence properties of 2-phenylindole, 2-naphthylindole and 2-anthracenylindole were investigated. 2-Anthracenylindole was newly synthesized by Suzuki-Miyaura's coupling. The fluorescence quantum yield of 2-phenylindole was the highest and th
Autor:
Yoshio Hirabayashi, Kenji Hamase, Albee Messing, Akira Wada, Kiyoshi Zaitsu, Norihiro Azuma, Masahiko Watanabe, Jung Hoon Yang, Kazuyuki Yoshida, Shigeyoshi Itohara, Yurika Miyoshi, Masami O. Kinoshita, Shozo Tomonaga, Takeo Machida, Shigeki Furuya, Kayoko Esaki, Tomoko Sayano
Publikováno v:
Journal of Biological Chemistry. 285:41380-41390
In mammalian brain, d-serine is synthesized from l-serine by serine racemase, and it functions as an obligatory co-agonist at the glycine modulatory site of N-methyl-d-aspartate (NMDA)-selective glutamate receptors. Although diminution in d-serine le
Publikováno v:
Chemistry & Biodiversity. 7:1450-1458
D-amino acid oxidase (DAO) catalyzes oxidative deamination of D-amino acids. Since D-amino acids are considered to be rare in eukaryotes, physiological function of this enzyme has been enigmatic for a long time. Mutant mice lacking DAO were found, an
Publikováno v:
Journal of Fluorescence. 20:615-624
A novel fluorescence enhancement-type derivatizing reagent for amino compounds, 6,7-difluoro-1,4-dihydro-1-methyl-4-oxo-3-quinolinecarboxylic acid (FMQC), was developed. FMQC reacts with aliphatic primary amino compounds to afford strong fluorescent
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 208:21-26
The synthesis and fluorescence property of 3-amino- N -(7′-methoxy-4′-methylcoumaryl)phthalimide (AMMP) are described. The fluorescence of AMMP originated during the intramolecular energy transfer from the coumarin moiety to the phthalimde moiety
Autor:
Manabu Nakazono, Shigeo Hasegawa, Aiko Miyamoto, Kiyoshi Zaitsu, Norimasa Arisuda, Yasuyuki Sato
Publikováno v:
Chromatographia. 70:933-937
Rapid separation of hydrophobic compounds such as bisindolylmaleimides, indolocarbazoles or fullerene C60 derivatives by ultra performance liquid chromatography was developed. Bisindolylmaleimides and indolocarbazoles were separated within 7 and 5 mi
Publikováno v:
Luminescence. 25:360-363
The chemiluminescence intensity of 1,2-di[3,4,5-tri(3,4,5-trihydroxybenzoyloxy)benzoyloxy] benzene increased in the presence of quaternary ammonium ions, such as acetylcholine chloride, choline chloride or benzyltrimethylammonium chloride. The comple