Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Nakanishi A"'
Autor:
Shuji Okada, Hiro Matsuda, Satya S. Talwar, Tatsumi Kimura, Hitoshi Kasai, Tiesheng Li, Hachiro Nakanishi, Hirohito Umezawa
Publikováno v:
Polymer Bulletin. 57:737-746
1,4-Bis(3-quinolyl)-1,3-butadiyne (DQ) is known to be polymerized in solid state to give the corresponding polydiacetylene. However, the polymer yield of DQ bulk crystals is low. Thus, we prepared several types of DQ crystals by different procedures
Autor:
Hideki Sugimoto, Takashi Yasumura, Eiji Nakanishi, Katsunori Yamauchi, Kazuki Daimatsu, Katsuhiro Inomata
Publikováno v:
Polymer Bulletin. 52:209-218
In this study, organic-inorganic hybrid monomer, poly silicic acid urethane methacrylate (PSUMA), was prepared by reaction of poly silicic acid extracted from sodium silicate aqueous solution with THF and 2-(methacryloyloxy)ethyl isocyanate. The PSUM
Publikováno v:
Polymer Bulletin. 51:103-109
Three symmetrical dipyridyloctatetrayne monomers, i. e., 1,8-di(x-pyridyl)octatetrayne: x=2, 3 and 4, were synthesized and their solid-state polymerization was investigated. In addition, a salt prepared from 1,8-di(3-pyridyl)octatetrayne and p-nitrob
Publikováno v:
Polymer Bulletin. 42:69-76
Two symmetrical diacetylene monomers containing thienyl moiety as the side groups, namely 1,4-bis(2'-thienyl)butadiyne and 1,4-bis(3'-thienyl)butadiyne, are reported which have been successfully polymerised electrochemically. They have also been poly
Publikováno v:
Polymer Bulletin. 40:683-688
Tryptophan within copoly(N-hydroxyethyl L-giutamine-co -L-tryptophan) treated with nitric acid (EGT-N) dissociates negatively above pH 10.5 by the electron-attractive effect of nitro groups introduced into the indole ring. The interaction between EGT
Publikováno v:
Polymer Bulletin. 24:429-435
The binding of fibrinogen with heparin and dextran sulfates, and of antithrombin III with heparin and dextran sulfate were investigated by sedimentation velocity method. From the measurement of fibrinogen-acidic polysaccharide systems, it was confirm
Kinetic study on the effects of acidic polysaccharides on the interaction of fibrinogen and thrombin
Publikováno v:
Polymer Bulletin. 3:655-664
Retardation effect of acidic polysaccharides on the interactions of fibrinogen with thrombin was kinetically investigated by measuring the turbidity as a measure of the concentration of fibrin polymer formed in the system. To this aim, the fibrinogen
Publikováno v:
Polymer Bulletin. 9
Glow discharge polymerizations of tetrafluoroethylene, perfluoromethylcyclohexane and perfluorotoluene were investigated by infrared spectroscopy and ESCA to clarify the contribution of olefinic double bonds and cyclic structures. The products formed