Search Results 1-20 of 1310

  • Forced Motion of a Single Particle in Micron-sized Particle Dispersion  [in Japanese]

    後藤 早由 , 古川 菜美 , 菰田 悦之 , 鈴木 航祐 , 堀江 孝史 , 大村 直人

    粉体工学会誌 = Journal of the Society of Powder Technology, Japan 58(3), 138-146, 2021

  • Moment Equations for Kinetic Study of Intermolecular Interaction by Size Exclusion Chromatography

    Miyabe Kanji

    … It was indicated that the contributions of axial dispersion and reaction kinetics to <i>μ</i><sub>2C</sub> …

    Bulletin of the Chemical Society of Japan 94(3), 755-761, 2021

    J-STAGE 

  • <i>In-Situ</i> Observation on the Agglomeration and Dispersion of Particles at the Interface of High-temperature Melts

    Li Yutang , Wang Linzhu , Li Junqi , Yang Shufeng , Chen Chaoyi , Li Changrong , Li Xiang

    … <p>Understanding the mechanism of particle aggregation and dispersion at a liquid surface is important for the design and fabrication of novel materials. … We experimentally investigated the interaction force on particle pairs as a function of the interparticle distance and the size, composition and shape of particles. … The estimated attractive interaction between particle pairs based on <i>in situ</i> …

    ISIJ International 61(3), 753-762, 2021

    J-STAGE 

  • Exfoliation Chemistry of Soft Layered Materials toward Tailored 2D Materials

    Oaki Yuya

    … The rigid inorganic layered compounds are converted to the soft layered materials with interaction of organic guests. … The surface-functionalized nanosheets are obtained by exfoliation of the soft layered composites with dispersion in organic media. … The exfoliation behavior is governed by the flexibility of the precursor layered materials, i.e. interaction between the interlayer guest and dispersion medium. …

    Chemistry Letters 50(2), 305-315, 2021

    J-STAGE 

  • Modelling convective turbulence with a double-averaging procedure  [in Japanese]

    YOKOI Nobumitsu

    <p>プルームに代表される時間・空間的に局在した流れ構造は，対流の乱流輸送で大きな役割を占める．対流乱流での質量，運動量，エネルギー輸送を，時間平均と空間平均とからなる二重平均の操作を用いて考察する．二重平均操作で，場の量は時空平均（時間平均を空間平均したもの），分散ゆらぎ（時間平均量の時空平均からのずれ），乱雑ゆらぎ（時間ゆらぎ）に分解される．平均場の方程式に現れるレイノルズ応力など …

    SEISAN KENKYU 73(1), 29-36, 2021

    J-STAGE 

  • Numerical Study on Spray Drying Process: Effect of Nonuniform Temperature Field and Interaction between Droplets on Evaporation Rates of Individual Droplets

    Okada Sayaka , Ohsaki Shuji , Nakamura Hideya , Watano Satoru

    … <p>Spray drying process is widely used to produce particulate materials in the pharmaceutical industries, such as porous materials for direct compression, solid dispersion for improvement of drug dissolution properties, micro encapsulation to stabilize active compounds, taste masking, preparation of dry powder for inhalation. …

    Chemical and Pharmaceutical Bulletin 69(2), 203-210, 2021

    J-STAGE 

  • Combining self-organizing maps and hierarchical clustering for protein–ligand interaction analysis in post-fragment molecular orbital calculation

    Kawashima Yusuke , Mori Natsumi , Kawashita Norihito , Tian Yu-Shi , Takagi Tatsuya

    … When multiple ligands exist for one receptor, a post-FMO calculation tool is required because of large numbers of interaction energy decomposition terms calculated using this method. … This method could effectively compress the high-dimensional energy terms and is expected to be useful to analyze the interaction between protein and ligands. …

    Chem-Bio Informatics Journal 21(0), 1-10, 2021

    J-STAGE 

  • 2020-05-15

    Hanate Hiroki , Hasegawa Takumi , Tsutsui Satoshi , Nakamura Kazuma , Yoshimoto Yoshihide , Kishigami Naohiro , Haneta Sho , Matsuhira Kazuyuki

    Journal of the Physical Society of Japan 89(5), 053601-053601, 2020-05-15

    DOI 

  • Study of Phonon Dispersion of Iridium Oxide Ca₅Ir₃O₁₂ with Strong Spin-Orbit Interaction

    Hanate Hiroki , Hasegawa Takumi , Tsutsui Satoshi , Nakamura Kazuma , Yoshimoto Yoshihide , Kishigami Naohiro , Haneta Sho , Matsuhira Kazuyuki

    Journal of the Physical Society of Japan 89(5), 053601-1-5, 2020-05

  • Switchable giant nonreciprocal frequency shift of propagating spin waves in synthetic antiferromagnets

    Ishibashi Mio , Shiota Yoichi , Li Tian , Funada Shinsaku , Moriyama Takahiro , Ono Teruo

    … The observed frequency shift is attributed to large asymmetric spin wave dispersion caused by a mutual dipolar interaction between two magnetic layers. …

    Science Advances 6(17), 2020-04-22

    IR 

  • Study of Phonon Dispersion of Iridium Oxide Ca5Ir3O12 with Strong Spin–Orbit Interaction

    Hanate Hiroki , Hasegawa Takumi , Tsutsui Satoshi , Nakamura Kazuma , Yoshimoto Yoshihide , Kishigami Naohiro , Haneta Sho , Matsuhira Kazuyuki

    … In this study, we report the results of experiments and calculations of phonon dispersion of iridium oxide with a strong spin–orbit interaction (SOI). … By comparing the experimental and calculated results, we found that the GGA phonon dispersion with SOI is in very good agreement with the experimental results. …

    Journal of the Physical Society of Japan 89(5), 053601-1-053601-5, 2020-04-09

    IR 

  • Interfacial Nanostructures and Interaction Forces between Surfaces : Effects on Dispersion and Aggregation of Particles  [in Japanese]

    石田 尚之

    日本接着学会誌 = Journal of the Adhesion Society of Japan : adhesion 56(5), 153-160, 2020

  • Optimization of Analytical Conditions for Hydrophilic Nucleic Acids Using Mixed-Mode and Reversed-Phase Pentabromobenzyl Columns

    Hosokawa Mika , Goto Kanako , Tanaka Shota , Ueda Kumiko , Iwakawa Seigo , Ogawara Ken-ichi

    … <p>The aim of this study was to investigate appropriate analytical conditions for hydrophilic nucleosides and nucleotides (monophosphates and triphosphates) by HPLC methods using a mixed-mode AX-C18 column with anion-exchange and hydrophobic interactions by quaternary ammonium and C18, respectively, and a reversed-phase pentabromobenzyl (PBr) column with dispersion force and hydrophobic interactions by PBr group. … anion–exchange interaction by increasing the salt and methanol concentrations. …

    Chemical and Pharmaceutical Bulletin 68(12), 1233-1237, 2020

    J-STAGE 

  • Aggregation Structure of Aqueous Pigment Dispersions Evaluated by Rheology and Small-Angle X-ray Scattering  [in Japanese]

    SATOKAWA Yuichi , KOIKE Jun-ichiro , ASADA Masahiko

    <p>表面張力が小さく疎水的な有機顔料を水に安定的に分散させるために，顔料分散剤が用いられる。しかし，用いられる分散剤の分子構造と得られた分散体の構造や物性との相関関係は必ずしも明確でないため，適切な分散剤の選択には，試行錯誤を余儀なくされている。本検討では，分散剤配合比および顔料濃度の異なる水性顔料分散体のレオロジーおよび小角X線散乱測定の結果に基づき，水性顔料分散体における粒子間相 …

    Journal of the Japan Society of Colour Material 93(10), 304-308, 2020

    J-STAGE 

  • Flufenamic Acid-Loaded Self-Nanoemulsifying Drug Delivery System for Oral Delivery: From Formulation Statistical Optimization to Preclinical Anti-Inflammatory Assessment

    Alshehri Sultan , Imam Syed Sarim , Hussain Afzal , Alyousef Abdul Malik , Altamimi Mohammad , Alsulays Bader , Shakeel Faiyaz

    … The dispersion and emulsification of all formulations meted out within 2 min suggesting immediate release and successful solubilization. … The hemolysis study negated the probable interaction with blood cells. …

    Journal of Oleo Science 69(10), 1257-1271, 2020

    J-STAGE 

  • Investigation of Seated-posture Body Pressure Dispersion at Seat Interfaces in Elderly Women  [in Japanese]

    ASO Yumie , TATSUKAWA Mami , SHIN Satoko

    … We found a significant interaction in buttock-supporting mean pressures based on the type of chair and the time point from the recorded data.</p><p><b>Discussion</b></p><p>Results suggest that the body pressures of the designed chair could be lower than those of conventional chair as the body pressures were dispersed over the interface area to contact the back- and buttock-supporting interfaces by the seated posture of the designed chair.</p> …

    Japanese Journal of Health and Human Ecology 86(4), 141-148, 2020

    J-STAGE  Ichushi Web 

  • DFT Study on Conformation of 1-Alkyl-3-methylimidazolium with Ethyl, Propyl, Butyl, Pentyl, and Hexyl Group

    Endo Takatsugu , Higuchi Tomoki , Kimura Yoshifumi

    … where n = 2–6) were performed by DFT calculations with dispersion correction in the gas phase. … due to the attractive interaction. …

    Bulletin of the Chemical Society of Japan 93(6), 720-729, 2020

    J-STAGE 

  • Impurity Exclusion and Solution Growth of Colloidal Systems  [in Japanese]

    Toyotama Akiko

    … We can observe both melt growth like process and solution growth like process in colloidal systems depending on the interaction between colloidal particles. … For attractive interaction, the crystallization is solution growth like. … Here, I describe solution growth of colloidal systems and exclusion of impurity particle on the growth process from the viewpoint of the difference of the interparticle interaction between main component and impurity particles. …

    Journal of the Japanese Association for Crystal Growth 47(1), n/a, 2020

    J-STAGE 

  • Nuclear Magnetic Resonance（NMR）:～Chemical Structure Analyses and Dynamics～  [in Japanese]

    KUWABARA Kazuhiro

    <p>NMRは化学構造とダイナミクスを解析する強力な手法である。ダイナミクスの解析からは，高分子などの集合体構造や液体・フィルムの物性発現に関する分子運動性の情報が得られる。本稿ではNMRの基本的な手法を解説するとともに，色材への応用例も述べる。応用例としては，高分子と無機粒子（顔料など）の相互作用，高分子と高分子の相互作用（増粘剤など），高分子フィルムの相分離構造とダイナミクス，高分 …

    Journal of the Japan Society of Colour Material 93(4), 121-126, 2020

    J-STAGE 

  • Carbon Black and Solvent Interaction  [in Japanese]

    HATTORI Takeshi , IWADE Miki

    <p>カーボンブラック<sup>1）</sup>を黒色顔料としてインクジェットインクのような比較的低顔料濃度の水性インクを作製する際には，元来疎水性のカーボンブラックを水に分散させるため種々の困難に直面する。そのため，装置，分散剤，分散の手順に工夫を凝らして目的物を得ることとなる。その中でとくに分散初期のぬれの制御はその後の工程の生産性や貯蔵安定性に大きな影響を …

    Journal of the Japan Society of Colour Material 93(4), 116-120, 2020

    J-STAGE 

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