Search Results 1-20 of 3661

  • TEM Tomography  [in Japanese]

    Furukawa Hiromitsu

    Materia Japan 61(1), 35-43, 2022

    J-STAGE 

  • Clinical application of exosomal microRNAs in peritoneal fluids of gastric cancer patients with peritoneal metastases  [in Japanese]

    宮谷 幸造 , 柗見 吉朗 , 澤田 将平 , 牧野谷 真弘 , 宮内 亘 , 宍戸 裕二 , 松永 知之 , 坂本 照尚 , 長谷川 利路 , 堀江 享史 , 藤原 義之

    … Presence of isolated extracellular vesicles (EVs) from peritoneal fluid specimens were confirmed using a transmission electron microscope showed that many EVs were approximately 100 nm in diameter, which were equivalent to exosome fractions. …

    米子医学雑誌 = The journal of the Yonago Medical Association 72(1-4), 1-5, 2021-08

    IR 

  • New developments from electron microscopes  [in Japanese]

    髙木 孝士 , 本田 一穂

    腎臓内科 = Nephrology 13(4), 417-423, 2021-04

    Ichushi Web 

  • Intensity Interference in a Coherent Spin-Polarized Electron Beam

    Kuwahara Makoto , Yoshida Yuya , Nagata Wataru , Nakakura Kojiro , Furui Masato , Ishida Takafumi , Saitoh Koh , Ujihara Toru , Tanaka Nobuo

    … We investigate the intensity interference between pairs of electrons using a spin-polarized electron beam having a high polarization and a narrow energy width. … We observe spin-dependent antibunching on the basis of coincident counts of electron pairs performed with a spin-polarized transmission electron microscope, which could control the spin-polarization without any changes in the electron optics. …

    Physical Review Letters 126(12), 125501, 2021-03-26

    IR 

  • FABRICATION AND CHARACTERIZATION OF CARBON NANOTUBE/ALUMINIUM COMPOSITES FABRICATED BY SPARK PLASMA SINTERING AND HOT-ROLLING TECHNIQUES  [in Japanese]

    當麻 彦樹

    … Microstructure observation and element analysis were conducted using scanning electron microscope (SEM) and transmission electron microscope (TEM). …

    法政大学大学院紀要. 理工学・工学研究科編 (62), 1-5, 2021-03-24

    IR  DOI 

  • High-Resolution Observation of Polymer Crystals with a Transmission Electron Microscope  [in Japanese]

    登阪 雅聡

    令和2年度 京都大学化学研究所 スーパーコンピュータシステム 利用報告書

    京都大学化学研究所スーパーコンピュータシステム研究成果報告書 (2020), 5-5, 2021-03

    IR 

  • Analysis Methods and Their Applications to the Research, Development and Quality Control of Special Steels  [in Japanese]

    久保田 直義 , 田中 肇 , 古元 智裕 , 小池 和徳 , 林 俊一

    山陽特殊製鋼技報 28(1), 13-28, 2021

  • <i>In situ</i> Observation of Ni Catalysts under Methane Atmosphere using Environmental Transmission Electron Microscope  [in Japanese]

    Matsuda Junko , Yamamoto Tomokazu , Takahashi Shinji , Sasaki Kazunari , Matsumura Syo

    <p>ニッケル(Ni)は優れた水素解離能を持ち,貴金属に比べて低コストであることから,水素製造など工業化学の様々な分野で広く用いられている触媒である.しかしながら高温で繰り返し酸化・還元雰囲気に曝されると凝集したり,一酸化炭素や炭化水素系ガス中で作動する際には反応により生成した炭素が触媒表面に析出したりし,触媒能が低下することが問題となる.本研究では炭素がNi触媒表面に析出する過程に着 …

    KENBIKYO 56(3), 100-104, 2021

    J-STAGE 

  • In-situ observation of the ultrasonic welding process  [in Japanese]

    IWAMOTO Chihiro , HAMADA Kensuke , HORIUCHI Ryotaro

    透過型電子顕微鏡中で超音波接合が可能な試料ホルダーを開発し、それを用いて実際に微細組織を観察しながら接合することで、接合部の組織変化を観察した。超音波を印加した試料を、固定しておいた試料に接触させると、接触部の試料の形状が変化すると共に、その近傍で多数のナノ結晶が生成、集積することが確認された。

    Preprints of the National Meeting of JWS 2021f(0), 272-273, 2021

    J-STAGE 

  • Synthesis of brookite-type TiO<sub>2</sub> nanoparticles by emulsion-assisted hydrothermal method using titanium glycolate complex

    KASUYA Kohei , SHAHIDUZZAMAN Md. , KOBAYASHI Makoto , YIN Shu , KAKIHANA Masato , TOMITA Koji

    … was investigated using Raman spectroscopy for crystal polymorph identification, X-ray Diffraction to identify crystal polymorphs and crystallite size, Transmission Electron Microscope for primary particle size, and crystal shape, and Dynamic Light Scattering for TiO<sub>2</sub> …

    Journal of the Ceramic Society of Japan 129(12), 720-724, 2021

    J-STAGE 

  • Effect of Amount of Solute Atoms on Development of Heterogeneous–nano Structure in Cu–Ni–Si Alloys  [in Japanese]

    Sumino Yuya , Watanabe Chihiro , Sakamoto Hiroshi

    <p>The effects of amount of solute atoms on the formation of heterogeneous–nano structure in Cu–Ni–Si system alloys was investigated using Cu–2.01mass%Ni–0.44mass%Si, Cu–3.03mass%Ni–0.65mass%Si, …

    Journal of Japan Institute of Copper 60(1), 41-44, 2021

    J-STAGE 

  • Effect of Ni and Si Contents on Age–Precipitation in Cu–Ni–Si Alloy Having Ni/Si=2  [in Japanese]

    Tsuchiya Taiki , Yamazaki Taisei , Koshika Yuki , Lee Seungwon , Doi Yuki , Fujimaru Yohichi , Motoyashi Fumitake , Ikeno Susumu , Matsuda Kenji

    … are many reports about mechanical properties of Cu–Ni–Si alloys, however, a few papers are dealt with crystal structure evolution of both matrix and precipitates using high resolution transmission electron microscope (HRTEM) .</p><p>In this work, 4 kinds of Cu–Ni–Si alloys, 31NS alloy, 42NS alloy, 53NS alloy and 74NS alloy having Ni/Si=2, were prepared and hardness test and microstructure observation of those 4 alloys were performed to investigate the effect of Ni and Si …

    Journal of Japan Institute of Copper 60(1), 1-6, 2021

    J-STAGE 

  • Practical Applications and Recent Advances in Combined Atom Probe Tomography and Scanning Transmission Electron Microscope  [in Japanese]

    MAYAMA Norihito , JOGO Kaori , WATANABE Kei , ISHIMURA Satoshi

    … Especially, a combination of focused ion beam (FIB) and scanning transmission electron microscope (STEM) techniques with APT allows us to measure small areas of samples such as a specific dislocation of GaN by APT. …

    Vacuum and Surface Science 64(11), 515-520, 2021

    J-STAGE 

  • Ampelopsin Inhibits Breast Cancer Cell Growth through Mitochondrial Apoptosis Pathway

    Li Yue , Zhou Yong , Wang Miaoran , Lin Xiaojing , Zhang Yunqi , Laurent Irakoze , Zhong Ying , Li Jibin

    Transmission electron microscope was used to observe the mitochondrial structure. …

    Biological and Pharmaceutical Bulletin 44(11), 1738-1745, 2021

    J-STAGE 

  • Faster SET Operation in Phase Change Memory with Initialization

    WANG Yuchan , YUAN Suzhen , ZHANG Wenxia , WANG Yuhan

    … Compared the transmission electron microscope (TEM) images before and after initialization, it is found that there are some small grains appeared after initialization, which indicates that the nucleation process of GST has been carried out, and only needs to provide energy for grain growth later.</p> …

    IEICE Transactions on Electronics E104.C(11), 651-655, 2021

    J-STAGE 

  • Dentin adhesives application deviations: Effects on permeability and nanoleakage

    CAVALHEIRO Alexandre , CRUZ Joana , SOUSA Bernardo , SILVA Ana , COITO Catarina , LOPES Manuela , VARGAS Marcos

    … Twelve additional dentin disks were prepared for transmission electron microscope (TEM) analysis of nanoleakage. …

    Dental Materials Journal 40(5), 1160-1168, 2021

    J-STAGE 

  • Effect of Intergranular Oxidation on Transition of Fatigue Crack Path of Alloy 617 in Oxidizing Environments at 750°C  [in Japanese]

    YOSHIDA Masumi , TAKEDA Yoichi , NAKANO Susumu

    The Proceedings of Conference of Tohoku Branch 2021.56(0), 143_paper, 2021

    J-STAGE 

  • Immobilization of Silver Nanoparticles on the Surface of Cellulose Nanofibers Using High-Pressure Wet-Type Jet Mill

    Furutani Mitsuaki , Fujii Eiji , Ogura Kota

    … According to observation by field-emission scanning electron microscopy, it was found that many silver NPs were immobilized on the surface of CNF. … It was cleared that the silver NPs had a spherical in shape with an average particle size of about 3 nm by the transmission electron microscope observation. …

    MATERIALS TRANSACTIONS 62(10), 1457-1461, 2021

    J-STAGE 

  • Development of a Bicelle Lotion Containing a High Concentration of Ceramide  [in Japanese]

    Tsukamoto Daisuke , Yamashita Mika , Kamimoto-Kuroki Junko , Sudo Mitsuhito , Hayase Haruna , Nakazawa Hiromitsu , Kato Satoru , Konno Yoshikazu

    <p>細胞間脂質の主要構成成分の1つであるセラミドは,角層のバリア機能において重要な成分であり,スキンケア製品に配合する上で有用な成分である。しかし,セラミドは結晶性が高く油分の少ない化粧水剤型には配合が困難であった。われわれはセラミドが細胞間脂質内で他の脂質と平板なラメラ構造をとることに着目し,同じく平板な構造をもつ分子集合体"バイセル"を用いることで,セラミドを安定かつ高濃度に化粧 …

    Journal of Society of Cosmetic Chemists of Japan 55(3), 249-254, 2021

    J-STAGE 

  • Local Electronic State Analysis by Monochromated STEM-EELS  [in Japanese]

    Haruta Mitsutaka , Kurata Hiroki

    <p>新しい世代のモノクロメーターの開発は,電子エネルギー損失分光法(EELS)のエネルギー分解能を向上させると同時に,球面収差補正走査透過電子顕微鏡(STEM)と組み合わせることにより,高い空間分解能での局所電子状態分析を可能にしている.STEM-EELS法の特徴を最大限に発揮させるためには,質の高いスペクトルを計測することが不可欠である.本稿では,スペクトル検出器(CCD)のダーク …

    KENBIKYO 56(2), 73-80, 2021

    J-STAGE  Ichushi Web 

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