Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Etsuyo Ogawa"'
Publikováno v:
Food Hydrocolloids. 20:378-385
The effects of molar mass on the coil to helix transition of sodium-type gellan gums in aqueous solution with 25 mmol NaCI were studied. Six samples of well purified sodium-type gellan gums, ranging in weight average molar mass M w from 120×10 3 to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f9277028ed52652fdee9c79768242639
https://doi.org/10.1016/j.foodhyd.2005.03.016
https://doi.org/10.1016/j.foodhyd.2005.03.016
Autor:
Tatsuo Oida, Kenji Kubota, Katsuyoshi Nishinari, Rheo Takahashi, Etsuyo Ogawa, Tokuzo Kawase, Hiroshi Tokunou
Publikováno v:
Biomacromolecules. 5:516-523
Nine samples of gellan gum in the sodium form, ranging in weight-average molar mass from 3.47 x 10(4) to 1.15 x 10(5) at 40 degrees C, were investigated by static and dynamic light scattering and viscometry in 25 mM aqueous NaCl both at 40 and at 25
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5a3faf17511b588a0726dd7e5462801d
https://doi.org/10.1021/bm034371u
https://doi.org/10.1021/bm034371u
Publikováno v:
Polymer. 43:5447-5453
Gel permeation chromatography equipped with a low-angle laser light-scattering detector (GPC-LALLS) was employed to determine the Mn and Mw of any polymer system such as flexible polymers (polystyrene, PSt), rod-like polymers (poly(n-hexylisocyanate)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d4cf8a04d1c3bfe864688f8bbeced25f
https://doi.org/10.1016/s0032-3861(02)00410-x
https://doi.org/10.1016/s0032-3861(02)00410-x
Conformational transition of gellan gum of sodium, lithium, and potassium types in aqueous solutions
Publikováno v:
Food Hydrocolloids. 16:1-9
The effects of cationic ions on the conformational properties of gellan gum in aqueous solutions with and without salts are studied using highly purified lithium, sodium, and potassium-type gellan gum samples by measuring the osmotic pressure, intrin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a33f5a2c0fc0369885c6bf31f45acfa9
https://doi.org/10.1016/s0268-005x(01)00024-8
https://doi.org/10.1016/s0268-005x(01)00024-8
Autor:
Etsuyo Ogawa
Publikováno v:
Carbohydrate Polymers. 30:145-148
The number average molecular weights M n and the second virial coefficients A2 for tetramethylammonium-type gellan gums (TMA-gellans) were obtained in aqueous tetramethylammonium-chloride at 40 °C by osmometry. The TMA-gellans were prepared from two
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4263c1b3c7c3491931c1f7a25cc4d822
https://doi.org/10.1016/s0144-8617(96)00091-4
https://doi.org/10.1016/s0144-8617(96)00091-4
Autor:
Etsuyo Ogawa
Publikováno v:
Polymer Journal. 27:567-574
Conformational properties of tetramethylammonium type gellan gum in aqueous solutions were studied by osmometry. The measurements were carried out at 28° and 40°C in aqueous solutions of six different tetramethylammonium chloride concentrations (C
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e1062c439a5a6e51ee2c3178ae20d9e1
https://doi.org/10.1295/polymj.27.567
https://doi.org/10.1295/polymj.27.567
Publikováno v:
Polymer Gels and Networks. 3:295-309
Viscoelastic properties of gellan gum aqueous solutions [San-Eigen F.F. I. (Osaka), Lot No. 62058A] were observed in order to study the influence of Ca 2+ -ions upon the solution properties. The results were (i) the solution of Sample 1 (Ca 2+ ~ 0.5%
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51669e12cfaa072062aeb0ac03d6d6e3
https://doi.org/10.1016/0966-7822(95)00004-5
https://doi.org/10.1016/0966-7822(95)00004-5
Autor:
Etsuyo Ogawa
Publikováno v:
Food Hydrocolloids. 7:397-405
Osmotic pressure measurements for aqueous solutions of a gellan gum and standard samples, such as three kinds of pullulans and a dextran, were made to determine number average molecular weights Mn and osmotic second viral coefficients A 2 using a Hew
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::adce76c50e78465fd3d8488ee681f6eb
https://doi.org/10.1016/s0268-005x(09)80235-x
https://doi.org/10.1016/s0268-005x(09)80235-x
Autor:
Tomoko Yamada, Etsuyo Ogawa
Publikováno v:
Journal of The Society of Japanese Women Scientists. 1:30-32
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6888da4ffe8d1f4c0a01aba1ee083e2f
https://doi.org/10.5939/sjws.01110
https://doi.org/10.5939/sjws.01110
Autor:
Etsuyo Ogawa
Conformational behavior of sodium type gellan gum in aqueous solutions was studied by osmometry and viscometry. Osmotic pressure and intrinsic viscosity measurements were carried out in the range from 45 to 15°C for aqueous solutions with NaCl (conc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51e6c42f74ec9db89b19ce2cbe593f2c
https://doi.org/10.1533/9781845693749.5.333
https://doi.org/10.1533/9781845693749.5.333
