Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Chiseko Sakuma"'
Autor:
Masaru Tanokura, Mitsuru Tashiro, Kazuo Furihata, Takuya Miyakawa, Toshiyuki Nishio, Chiseko Sakuma
Publikováno v:
Journal of Carbohydrate Chemistry. 33:498-505
β-D-Fructofuranosyl-(2↔1)-2-acetamido-2-deoxy-α-D-glucopyranoside (N-acetylsucros-amine; SucNAc) is an enzymatic product from sucrose and 2-acetamido-2-deoxy-D-glucose (GlcNAc) and cannot be hydrolyzed by yeast β-fructofuranosidase. Although the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a4f6948e863319f65ad2a6fa3cf1478
https://doi.org/10.1080/07328303.2014.964407
https://doi.org/10.1080/07328303.2014.964407
Autor:
Toru Wada, Mai Juami, Takako Hirano, Wataru Hakamata, Wataru Komori, Toshiyuki Nishio, Yuta Sugimoto, Hiroki Senou, Mitsuru Tashiro, Chiseko Sakuma
Publikováno v:
Carbohydrate Research. 382:108-112
Mycelia of Aspergillus oryzae NBRC100959 contain 2 types of β-fructofuranosidases, transfructosylation-catalyzing enzyme (βFFaseI), and hydrolysis-catalyzing enzyme (βFFaseII). Using βFFaseI extracted from the mycelia of strain NBRC100959, two no
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a126eb09bd5919740607171fe36dda8f
https://doi.org/10.1016/j.carres.2013.10.006
https://doi.org/10.1016/j.carres.2013.10.006
Autor:
Moe Katou, Mitsuru Tashiro, Yohei Sakaki, Chiseko Sakuma, Takako Hirano, Toshiyuki Nishio, Wataru Hakamata
Publikováno v:
Bioscience, biotechnology, and biochemistry. 80(9)
Two kinds of oligosaccharides, N-acetylraffinosamine (RafNAc) and N-acetylplanteosamine (PlaNAc), were synthesized from N-acetylsucrosamine and melibiose using the transgalactosylation activity of Aspergillus niger α-galactosidase. RafNAc and PlaNAc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0bba6b4785906e7a442d61c7f38e6231
https://pubmed.ncbi.nlm.nih.gov/27254139
https://pubmed.ncbi.nlm.nih.gov/27254139
Publikováno v:
Pharmaceutical Analytical Chemistry.
The WaterLOGSY type experiment with 19F detection was applied to observe the interaction between a fluorinated compound and a macromolecule. The proposed experiment, which was developed based on the 19F{1H} saturation transfer difference experiment,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17d80dab97be4d029679064e8bc468d2
https://doi.org/10.4172/2471-2698.1000111
https://doi.org/10.4172/2471-2698.1000111
Publikováno v:
Steroids. 70:257-265
Seven new glycosides of the campesterol derivative (24R,25S)-ergost-5-ene-3beta,26-diol (1-7) were isolated from the rhizomes of Tacca chantrieri (Taccaceae). Their structures were determined by extensive spectroscopic analysis, including 2D NMR data
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f0bfe9e733903b4e00a41e3b89f3b2e7
https://doi.org/10.1016/j.steroids.2004.11.006
https://doi.org/10.1016/j.steroids.2004.11.006
Autor:
Yasuo Shida, Koichi Kiso, Chiseko Sakuma, Hiroyasu Ito, Osamu Shikino, Masatoshi Morita, Kenji Kinoshita, Toshikazu Kaise, Takafumi Ochi, Mutsuo Ishizaki
Publikováno v:
Applied Organometallic Chemistry. 19:287-293
Diphenylarsinic acid (DPAA) and phenylarsonic acid (PAA), which were degradation products of organoarsenic chemical warfare agents used as sternutatory gas, were detected in the well water at Kamisu, Ibaraki Prefecture, Japan. The standard material o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::639c000a3f3be90d485d6e7ff43b241d
https://doi.org/10.1002/aoc.789
https://doi.org/10.1002/aoc.789
Autor:
Hiroshi Harada, Yoshihiro Mimaki, Tomoya Kudo, Masatoshi Yamazaki, Chiseko Sakuma, Mitsue Haraguchi, Satoru Yui, Yutaka Sashida
Publikováno v:
Helvetica Chimica Acta. 87:851-865
Seven new bisdesmosidic triterpene saponins, with up to eight monosaccharides, which were given the trivial names contortisiliosides A–G (1–7), were isolated from Enterolobium contortisiliquum. The structures of the new saponins were determined o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5c4ee731f8a1e45d56710143c828698f
https://doi.org/10.1002/hlca.200490083
https://doi.org/10.1002/hlca.200490083
Publikováno v:
Helvetica Chimica Acta. 86:398-407
The two new polyoxygenated spirostanol bisdesmosides 1 and 2 and the new trisdesmoside 3, named hellebosaponin A (1), B (2), and C (3), respectively, were isolated from the MeOH extract of the rhizomes of Helleborus orientalis. The structures of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ffee90e2173047950bf7c9b7f3489e78
https://doi.org/10.1002/hlca.200390040
https://doi.org/10.1002/hlca.200390040
Publikováno v:
Synlett. :1407-1410
Reaction of diethoxyphsphoryldifluoromethylzinc bromide (BrZnCF 2 PO 3 Et 2 ) with highly functionalized cyclohex-2-enyl-1-phosphates in the presence of CuBr in THF was examined. The reaction provides a facile method for introducing a difluoro-methyl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c4081836d1bc90a9af00feb6b5edbaae
https://doi.org/10.1055/s-2003-40862
https://doi.org/10.1055/s-2003-40862
Publikováno v:
Journal of Natural Products. 65:1424-1428
Phytochemical analysis of the underground parts of Polianthes tuberosa has resulted in the isolation of four new spirostanol saponins with five monosaccharides (1-4). Their structures were determined by spectroscopic analysis, including extensive 1D
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eea7ba4d0063ec58f712f301b8a807c0
https://doi.org/10.1021/np020133t
https://doi.org/10.1021/np020133t