Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Tsuguo Sato"'
Publikováno v:
Journal of the European Ceramic Society. 26:2735-2742
Nitrogen-doped anatase, rutile and brookite titania photocatalyst TiO 2− x N y which can be excited by visible light were prepared by mixing aqueous TiCl 3 solutions with urea ((NH 2 ) 2 CO) and various type of alcohols followed by solvothermal tre
Autor:
Tsuguo, SATO
Publikováno v:
東北薬科大学研究誌. 50:131-136
The methanol extract from the aerial part of Berchemia racemosa SIEB. et ZUCC. was partitioned with EtOAc and water. The water-soluble portion shows significant antitumor activity. From this portion, a new type peptide has been isolated for the first
Publikováno v:
Science and Technology of Advanced Materials. 3:239-244
A eutectic powder of Al2O3–GdAlO3 was melted using a Mo crucible by induction heating. The melt was slowly solidified, resulting in a eutectic solid with coarse Al2O3 and GdAlO3 phases. The eutectic solid was ground and sieved into 3–44 μm and 6
Publikováno v:
Journal of the European Ceramic Society. 22:2621-2625
The eutectic composition powder of Al 2 O 3 –Y 3 Al 5 O 12 (YAG) was melted using a Mo crucible by induction heating. The melt was slowly solidified and resulted in a eutectic structure of large twinned crystals. The eutectic solid was ground and s
Autor:
Masahiro Kataoka, Tsuguo Sato
Publikováno v:
Journal of Heterocyclic Chemistry. 36:1323-1326
The molecular structures of [1]benzopyrano[6,5,4-def][1]benzopyran, [2]benzopyrano[7,8,1,def]-1-benzopyran, 1-benzopyrano[6,5,4-mna]xanthene, and 2-benzopyrano[7,8,1-mna]xanthene have been optimized by using the PM3 semiemperical MO method. These cal
Autor:
Masahiro Kataoka, Tsuguo Sato
Publikováno v:
ChemInform. 31
AM1 calculations show that taspine has the three energy-minima along the rotation-like nuclear displacement of the dimethylaminoethyl group. They correspond to two enantiomeric structures and a Cs structure, which have nearly equal energies. The ener
Autor:
Tsuguo Sato, Masahiro Kataoka
Publikováno v:
Journal of Heterocyclic Chemistry. 36:1091-1093
AM1 calculations show that taspine has the three energy-minima along the rotation-like nuclear displacement of the dimethylaminoethyl group. They correspond to two enantiomeric structures and a Cs structure, which have nearly equal energies. The ener
Autor:
Tsuguo Sato
Publikováno v:
Phytochemical Analysis. 2:271-273
The determination of the isomeric 3,3′-, 4,4′- and 3,4-di-O-methylellagic acid derivatives by high performance liquid chromatography and ultraviolet, nuclear magnetic resonance and infrared spectroscopy is described.
Autor:
Masahiro Kataoka, Tsuguo Sato
Publikováno v:
HETEROCYCLES. 78:1823
The relative stability between cryptolepinone and 11-hydroxycryptolepine in solvents has been investigated by use of semiempirical molecular orbital and hybrid-density functional methods. The results have predicted that only cryptolepinone exists in
Autor:
Masahiro Kataoka, Tsuguo Sato
Publikováno v:
Journal of Chemical Research. :542-543
The molecular structures and electronic spectra of eilatin and protonated eilatin molecules have been investigated in terms of AM1 and CNDO/S methods, the calculated electronic spectra of free and monoprotonated eilatin molecules being in good agreem