Zobrazeno 1 - 10
of 190
pro vyhledávání: '"Shuzo Akiyama"'
Autor:
Mitsuhiro Wada, Mihoko N. Nakashima, Yoshihito Ohba, Naotaka Kuroda, Gwyn A. Lord, Kenichiro Nakashima, Kaname Ohyama, Shuzo Akiyama, Chang Kee Lim
Publikováno v:
ELECTROPHORESIS. 26:812-817
A capillary electrochromatography (CEC) method has been developed for the separation of caffeine and its two metabolites 1-methylxanthine (1-MX) and 1,7-dimethylxanthine (1,7-DX). The stationary phase was 3-(1,8-naphthalimido) propyl-modified silyl s
Publikováno v:
Journal of Liquid Chromatography & Related Technologies. 23:2533-2540
In high-performance liquid chromatography, the reversed-phase mode column is used most popularly. In the reversed-phase mode separation, several interactions between the stationary phase and analytes are concerned, i.e., partitioning, adsorption, hyd
Autor:
Knut Irgum, Yasuko Nakamura, Rie Nomura, Naotaka Kuroda, Ryo Shimoda, Shuzo Akiyama, Yuriko Fukuzaki, Kenichiro Nakashima
Publikováno v:
Scopus-Elsevier
The fluorescence and chemiluminescence properties of lophine analogues, viz. 2-substituted-4,5-di(2-pyridyl)imidazole, 2-substituted-4,5-di(2-furyl)imidazole and 2-substituted- 4(or 5)-(4-dimethylaminophenyl)-5(or 4)-phenylimidazole, were examined an
Publikováno v:
Analytical Sciences. 13:945-950
A sensitive and rapid FIA using an immobilized enzyme column reactor was developed for the determination of D-amino acids in human plasma. This method is based on a specific enzymic reaction with D-amino acid oxidase and a sensitive peroxyoxalate che
Publikováno v:
Journal of Liquid Chromatography & Related Technologies. 20:2377-2387
Ebiratide [L-methionyl-L-glutamyl-L-histidyl-L-phenyl alanyl-D-lysyl- N-(8-aminooctyl)- L- phenylalanin -amide-S, S-dioxide] is one of the synthetic analogues of ACTH4-9 for Alzheimer disease. High performance liquid chromatography with peroxyoxalate
Publikováno v:
Journal of Chromatography B: Biomedical Sciences and Applications. 695:251-258
A high-performance liquid chromatographic method with fluorescence detection for the determination of methamphetamine and its related compounds is reported. Methamphetamine, amphetamine, norephedrine, p-hydroxymethamphetamine and 1-phenylethylamine a
Publikováno v:
Analytical Sciences. 12:807-810
Publikováno v:
Journal of Liquid Chromatography & Related Technologies. 19:2867-2881
The application of a column packing material, 3-(l,8-naphthalimido)propyl-modified silyl silica gel (NAIP) developed by us, for high performance liquid chromatography (HPLC) of barbiturates and diastereomeric compounds is described. The separation of
Publikováno v:
Journal of Chromatography A. 722:107-113
The use of a packing material, 3-(1,8-naphthalimido)propyl-modified silyl silica gel (NAIP), as a stationary phase for high-performance liquid chromatography, has been studied. NAIP behaved like a reversed-phase stationary phase with some pi-pi inter
Publikováno v:
Chemical and Pharmaceutical Bulletin. 44:1525-1529
Carnitine and acylcarnitines are important substances involved in the oxidation and metabolism of fatty acids. An HPLC method is presented for the quantitative analysis of these compounds. The method is based on the detection of fluorescent derivativ