Search Results 1-20 of 28

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  • Creation of New Functions by Combination of Surfactant and Polymer - Complex Coacervation with Oppositely Charged Polymer and Surfactant for Shampoo and Body Wash -

    Kakizawa Yasushi , Miyake Miyuki

    … In shampoo and body wash compositions, we studied the complex precipitation (CP) regions and the morphology and rheological properties of precipitated complexes by focusing on the number of ionic groups in the anionic surfactants and cationic polymers, the mixed electrolyte and the ionic strength as a whole. …

    Journal of Oleo Science 68(6), 525-539, 2019

    J-STAGE 

  • Effect of NaCl on the Lifetime of Micro- and Nanobubbles

    Uchida Tsutomu , Liu Shu , Enari Masatoshi , Oshita Seiichi , Yamazaki Kenji , Gohara Kazutoshi

    Nanomaterials 6(2), 31, 2016-02-05

    IR 

  • Synthesis of Sulfonated Polyimides and Effect of Their Solvent Solubility and Swelling Behavior on Copolymer Structures  [in Japanese]

    NASUNO Nanase , SHOJI Eiichi , HATASHITA Masahiro

    … Naphthalene tetracarboxylic acid anhydride, sulfonated diphenyl ether diamine and non-ionic aromatic diamines were successfully co-polymerized to sulfonated polyimides, and their solvent solubility and swelling behavior in organic solvents of DMSO, NMP, DMF, and <i>m</i>-Cresol and in aqueous solutions of chloride, sodium hydroxides, as well as pure water have been examined. …

    KOBUNSHI RONBUNSHU 70(6), 282-288, 2013-06-25

    J-STAGE  References (32)

  • Structural and Functional Studies on Model Peptides for Group-3 Late Embryogenesis Abundant Proteins(Papers presented at the Seminar, "NIAS International Seminar for Cryobiology and Cryotechnology")

    FURUKI Takao , SAKURAI Minoru

    … The dried model peptides also play a role in sequestrating ionic species in the dried state, accompanied by significant backbone conformational changes. …

    Cryobiology and Cryotechnology 59(1), 51-59, 2013

    J-STAGE  Ichushi Web  References (31)

  • Incomplete Schiff Shielding of Nuclear Electric Dipole Moment in Ionic Atom

    Itoi Chigak , Oshima Sachiko

    Journal of the Physical Society of Japan 79(10), 103201-103201, 2010-10-15

    DOI 

  • Effects of Added Salts on Rheological Properties of Gellan Aqueous Solutions

    Kani Kohei , Horinaka Jun-ichi , Takigawa Toshikazu

    … The zero-shear viscosity (η<SUB>0</SUB>) obtained from those measurements indicated that the chain conformation in random-coil state became more compact with increasing salt concentration in the solution due to the shielding effect of the ions from the salt, but the conformation was independent of the salt species added, suggesting that the chain conformation was dominated by the ionic strength. …

    Journal of Japanese Society of Biorheology 21(2), 25-33, 2007

    J-STAGE  Ichushi Web 

  • Ion Exchange Adsorption and Membrane Filtration Hybrid Process for Protein Mixture Separation

    HU Che-Chia , WANG Shih-Yu , LI Chia-Ling , CHUANG Ching-Jung , TUNG Kuo-Lun

    … Protein recovery, purity and transmission during the adsorption crossflow filtration process were analyzed based on the condition of an optimal pH value and ionic strength obtained in the adsorption test. … The experimental results reveal that the hydrophilicity difference between BSA and OV leads to different adsorption behaviors at optimal separation conditions of phosphate buffer of pH 9.0 and the ionic concentration 20 mM. …

    JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 39(12), 1283-1290, 2006-12-01

    J-STAGE  References (21)

  • Morphology and Nanostrucuture of Amphiphilic Polymer Micells witu Fluorinated Core and Nonfluorinated Corona  [in Japanese]

    IMAE Toyoko

    … The micelles in the aqueous solution extend more with addition of salt due to the electric shielding effect. … When pH of the solution is changed, onionic PMAA-<I>block</I>-PFMA micelles at acid pH grow into ionic larger micelles at alkaline pH. It is assumed that the PMAA block extends owing to the electrostatic repulsion of ionic side chains, resulting in the closed packing of copolymers in micelles. …

    KOBUNSHI RONBUNSHU 58(4), 178-188, 2001-04-25

    J-STAGE  References (48) Cited by (1)

  • Structure of Cross-Slip Bands and Brittle-to-Ductile Transition in Ionic Crystals^<[*1]>

    NARITA Nobutaka , YOSHIMURA Takuya , TAKAHARA Yoshihiro , HIGASHIDA Kenji

    Materials Transactions 42(1), 41-11, 2001-01-20

    References (11)

  • Structure of Cross-Slip Bands and Brittle-to-Ductile Transition in Ionic Crystals

    Narita Nobutaka , Yoshimura Takuya , Takahara Yoshihiro , Higashida Kenji

    … Dislocations emitted from a crack tip can extend sideways along a moving crack front by the cross slip on indefinite planes, and reduce local stress intensities to impede the crack advance by crack tip shielding due to dislocations. …

    MATERIALS TRANSACTIONS 42(1), 41-44, 2001

    J-STAGE 

  • Crack Tip Plasticity in Ionic Crystals with the NaCl-Type Structure

    Higashida Kenji , Narita Nobutaka

    … Dislocation structures near the tip of a crack in ionic crystals with the NaCl-type structure were investigated by using an etch-pit technique, photoelasticity and high voltage electron microscopy (HVEM). … The effect of crack tip shielding due to dislocations was demonstrated using a photoelastic method visualizing the internal stress field around a crack tip. …

    MATERIALS TRANSACTIONS 42(1), 33-40, 2001

    J-STAGE 

  • ^1H-NMR Studies of the Interaction of Dental Adhesive Monomer, 4-META with Calcium

    FUJISAWA Seiichiro , ITO Shigeru

    … Our objective was to determine whether high-resolution proton-nuclear magnetic resonance (500MHz) could be utilized for detection of ionic binding interaction of the 4-META resin system with calcium derived from hydroxyapatite. … The shielding effect followed by upfield shifts was due to the localization of electron density surrounding the carboxylate anions that were dissociated by the interaction with calcium counter cation. …

    Dental Materials Journal 18(1), 54-62, 1999-03

    J-STAGE  Ichushi Web  References (22) Cited by (4)

  • NMR Investigations of The Interaction of 4-META with Ca2+.  [in Japanese]

    Fujisawa Seiichiro

    … Our object was to determine whether an ionic binding interaction between the 4-META resin system and brushite is detected by high-resolution proton-1 nuclear magnetic resonance spectroscopy (<SUP>1</SUP>H-NMR). … The shielding effect followed by upfield shifts is due to the localization of electron density surrounding the carboxylate anions that were dissociated by the interaction with calcium counter cation. …

    Adhesive Dentistry 17(1), 33-38, 1999

    J-STAGE 

  • influence of Anionic Compounds on Adsorption Behavior of Bovine Serum Albumin at Oxide-Water Interfaces

    URANO Hiromi , FUKUZAKI Satoshi

    … The intrinsic viscosity of BSA increased with increasing ionic strength in all the buffer solutions. … From these results, the repression of BSA adsorption onto oxides was ascribed to the masking of adsorbing sites on the oxide surfaces and partial desorption of adsorbed BSA induced by adsorption of anions of carboxylic acids and phosphate, as well as to the expansion of the BSA molecule due to the charge-shielding action of buffer salt ions. …

    Journal of Fermentation and Bioengineering 83(3), 261-266, 1997-03-25

    DOI  References (18) Cited by (8)

  • Phase Transition for Aqueous Solution of Polyelectrolyte Complex Containing N-lsopropylacrylamide.  [in Japanese]

    TERAMOTO Akira , KOHNO Michito , ABE Koji

    … A polyelectrolyte complex (PEC) formed by <I>N</I>-isopropylacrylamide (NIPAAM) with ionic site may be expected to depend not only on pH and salt concentration but also on temperature. … A series of copolymers of NIPAAM with ionic monomers (sodium acrylate (AAc), sodium styrenesulfonate (SS), dimethylaminoethylacrylate (DMAEA), and 2-acryloyltrimethylammonium chloride (TMAEA)) were synthesized. …

    KOBUNSHI RONBUNSHU 54(8), 477-482, 1997

    J-STAGE 

  • Adsorption of Bovine Serum Albumin and γ-Globulin on Chitosan Membrane  [in Japanese]

    Sakurai Kensuke , Nakajima Kazuhiro , Takahashi Toshisada

    … Also it depended on an ionic strength, which affected the maximum point as well as the amount itself. … Whereas, contrary to the general tendency observed at much lower concentration of BSA, the amount of maximum adsorption decreased as the ionic st.rength decreased. … This suggests that at relatively high concentration, the reduction of shielding effect of ions may give the increase of repulsion between BSA molecules rather than that of interaction between BSA and chitosan molecules. …

    Memoirs of the Faculty of Engineering,Fukui University 41(2), p251-258, 1993-09

    IR 

  • Complex Formation of Gelatin and Chondroitin Sulfate and the Effects on H+ Ion Binding.

    Yonese Masakatsu , Yano Mikio , Kishimoto Hiroshi

    … Soluble complexes were formed electrostatically with low ionic strengths; … ions due to a shielding of the positively charged amino groups of gelatin. …

    Bulletin of the Chemical Society of Japan 64(6), 1814-1820, 1991

    J-STAGE  Cited by (1)

  • Crack-tip Shielding by Dislocations and Fracture Toughness in NaCl Crystals

    Narita Nobutaka , Higashida Kenji , Torii Takeshi , Miyaki Seiji

    Stress modification by dislocations around a crack tip and its effect on fracture toughness in NaCl crystals were investigated using a photoelastic method. NaCl crystals are very brittle and give smal …

    Materials Transactions, JIM 30(11), 895-907, 1989

    J-STAGE 

  • Oxygen-17 NMR study of the uranyl ion. III Factors influencing 17O chemical shifts of uranyl oxygens in aqueous perchlorate media.

    Jung Woo-Sik , Tomiyasu Hiroshi , Fukutomi Hiroshi

    … at 25 °C and ionic strength 5.0 m; … Isotope shifts in <SUP>17</SUP>O nuclear magnetic shielding in the uranyl ion are interpreted in terms of the change of mean separation between the ground and lowest excited electronic states upon oxygen and uranium isotopic substitutions. …

    Bulletin of the Chemical Society of Japan 59(12), 3761-3764, 1986

    J-STAGE 

  • Effect of Salts on Colloid Titration  [in Japanese]

    Tanaka Hiroo

    … The results obtained are as follows.<BR>1) In a direct titration for cationic polymers with PVSK, salts generally increased the amount of PVSK at the end point which sometimes was nearly twice as high as that of true value.<BR>2) In the back titration for anionic polymers with low density of ionic groups, salts decrease the amount of PVSK at the end point. …

    JAPAN TAPPI JOURNAL 37(10), 939-948, 1983

    J-STAGE 

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