Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Kenichi Hamayasu"'
Autor:
Koki Fujita, Toshiko Tanimoto, Hirofumi Nakano, Kyoko Koizumi, Sumio Kitahata, Koji Hara, Yukio Kondo, Kenichi Hamayasu, Hitoshi Hashimoto
Publikováno v:
Bioscience, biotechnology, and biochemistry. 61(5)
Mannosylated derivatives of cyclodextrins (CDs), mannosyl-α, β, and γCD were synthesized from a mixture of mannose and α, β, and γCD by the reverse action of α-mannosidase from jack bean, respectively. Their structures were analyzed by FAB-MS
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b3c941f0b92580cc653ed382fe5f17a
https://pubmed.ncbi.nlm.nih.gov/28862565
https://pubmed.ncbi.nlm.nih.gov/28862565
6-O-α-(4-O-α-d-glucuronyl)-d-glucosyl-β-cyclodextrin: solubilizing ability and some cellular effects
Autor:
Kaneto Uekama, Hidetoshi Arima, Hitoshi Hashimoto, Fumitoshi Hirayama, Toshihiro Ishiguro, Kenichi Hamayasu, Masahide Oka, Sumitra Tavornvipas
Publikováno v:
International Journal of Pharmaceutics. 249:199-209
Some physicochemical and biopharmaceutical properties of a new branched cyclodextrin, 6-O-alpha-(4-O-alpha-D-glucuronyl)-D-glucosyl-beta-cyclodextrin (GUG-beta-CyD), were investigated. The interaction of GUG-beta-CyD with drugs was studied by spectro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a116f2ea77f633cd7af18f0c6292b7d3
https://doi.org/10.1016/s0378-5173(02)00537-9
https://doi.org/10.1016/s0378-5173(02)00537-9
Transglycosylation of Hydroquinone and Epicatechin by .BETA.-Fructofuranosidase from Arthrobacter sp
Autor:
Koki Fujita, Hirofumi Nakano, Kozo Hara, Hiromi Murakami, Kenichi Hamayasu, Sumio Kitahata, Kaname Nakagawa, Taro Kiso, Akinori Tabata
Publikováno v:
Journal of Applied Glycoscience. 49:115-121
Hydroquinone (HQ) and epicatechin (EC) were glycosylated by transfer reaction by β-fructofranosidases using sucrose (Suc) as a donor substrate. An enzyme from Arthrobacter sp. was the most effective among several enzymes tested. The glycosylation pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8a056347656239735a428c33b2479439
https://doi.org/10.5458/jag.49.115
https://doi.org/10.5458/jag.49.115
Autor:
Hidetoshi Arima, Hitoshi Hashimoto, Kaneto Uekama, Fumitoshi Hirayama, Toshihiro Ishiguro, Kenichi Hamayasu, Masahide Oka, Sumitra Tavornvipas
Publikováno v:
Journal of Inclusion Phenomena and Macrocyclic Chemistry. 44:391-394
Some physicochemical and biological properties of a new branched cyclodextrin, 6-O-α-(4-O-α-d-glucuronyl)-d-glucosyl-β-cyclodextrin GUG-β-CyD) were investigated. Further, theinteraction of GUG-β-CyD with several drugs was studied by the solubili
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::706b4e2fae5bb47169257dcd096ba8ae
https://doi.org/10.1023/a:1023067232328
https://doi.org/10.1023/a:1023067232328
Autor:
Yasuyo Okada, Sumio Kitahata, Kenichi Hamayasu, Koki Fujita, Masanori Semma, Hitoshi Hashimoto, Kyoko Koizumi, Yoshio Ito
Publikováno v:
Carbohydrate Research. 336:203-211
6- O -[6- O -( N -acetyl-β- d -glucosaminyl)- N -acetyl-β- d- glucosaminyl]cyclomaltoheptaose (βCD) and three positional isomers of 6 1 ,6 n -di- O -( N -acetyl-β- d -glucosaminyl)cyclomaltoheptaose ( n =2, 3, and 4) in a mixture of products from
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0af78ebc3613c7bb88ac6cc1e9d81a5c
https://doi.org/10.1016/s0008-6215(01)00229-4
https://doi.org/10.1016/s0008-6215(01)00229-4
Autor:
Kozo Hara, Koki Fujita, Kenichi Hamayasu, Hitoshi Hashimoto, Hirofumi Nakano, Kyoko Koizumi, Sumio Kitahata, Toshiko Tanimoto
Publikováno v:
Journal of Applied Glycoscience. 46:445-448
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0934d47ff9445aec64402f2afa074b9c
https://doi.org/10.5458/jag.46.445
https://doi.org/10.5458/jag.46.445
Autor:
Kazuha Matsuda, Kyoko Koizumi, Kenichi Hamayasu, Hirofumi Nakano, Toshiko Tanimoto, Sumio Kitahata, Koji Hara, Yasuyo Okada, Hitoshi Hashimoto, Koki Fujita
Publikováno v:
Journal of Applied Glycoscience. 46:217-225
Hetero-branched cyclodextrins (CDs) were synthesized by transglycosylation or the reverse action of several enzymes such as βββ-galactosidases, α-galactosidases, α-mannosidases, lysozyme and R-Nacetylhexosaminidase. Their structures were analyze
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d6d481ab4bad6a4960a71054c83bf282
https://doi.org/10.5458/jag.46.217
https://doi.org/10.5458/jag.46.217
Autor:
Yasuyo Okada, Hitoshi Hashimoto, Toshiko Tanimoto, Shizuyo Takeyama, Sumio Kitahata, Kyoko Koizumi, Kenichi Hamayasu
Publikováno v:
Carbohydrate Research. 314:115-125
Di- and tri-mannosyl-cyclomaltoheptaoses (beta-cyclodextrins, beta CDs), which were synthesized together with monomannosyl-beta CD in a large-scale production by reverse action of alpha-mannosidase from jack bean, were isolated and purified by HPLC.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a8cff3c5ab433d2c933b32991fddc7b3
https://doi.org/10.1016/s0008-6215(98)00267-5
https://doi.org/10.1016/s0008-6215(98)00267-5
Autor:
Kazuha Matsuda, Kyoko Koizumi, Hitoshi Hashimoto, Yasuyo Okada, Sumio Kitahata, Kenichi Hamayasu
Publikováno v:
Carbohydrate Research. 310:229-238
Eight positional isomers of 6(1),6m-di-O-alpha-D-mannopyranosyl-cyclomaltooctaose (gamma CD) (m = 2-5) and 6-O-alpha-(n-O-alpha-D-mannopyranosyl)-D-mannopyranosyl-gamma CD (n = 2, 3, 4, and 6) in a mixture of products from gamma CD and D-mannose by c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3644b10124900e0de1eacc4a0e8f1f97
https://doi.org/10.1016/s0008-6215(98)00187-6
https://doi.org/10.1016/s0008-6215(98)00187-6
Publikováno v:
ChemInform. 31
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5e8a554d8f138d479f85bedb16e5096c
https://doi.org/10.1002/chin.200016216
https://doi.org/10.1002/chin.200016216