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  1. No Access

    Article

    Time-resolved Optical Emission Spectroscopy in Water Electrical Discharges

    The characteristics of the plasma initiated in ultrapure water between pairs of tungsten and tantalum electrodes were investigated by time-resolved optical emission spectroscopy. The deexcitation processes of ...

    C. Miron, M. A. Bratescu, N. Saito, O. Takai in Plasma Chemistry and Plasma Processing (2010)

  2. No Access

    Article

    Chip ligating human genomic DNA serves as storage material and template for polymerase chain reaction

    A chip was developed to store DNA for medical research. The optional restriction site fixed on the chip can randomly ligate with whole human genomic DNA treated by the corresponding restriction enzyme. PCR can...

    T. Hanaoka, O. Takai, K. Takahashi, S. Tsugane in Biotechnology Letters (2003)

  3. No Access

    Article

    Aligned bioactive mesoporous silica coatings for implants

    Ongoing research is reported aimed at preparing mesoporous silica coatings on various substrates for medical applications by a biomimetic approach (self-assembling of organic/inorganic sol-gel systems into ord...

    J. M. Gomez-Vega, H. Sugimura, O. Takai… in Journal of Materials Science: Materials in… (2001)

  4. No Access

    Article

    Differential friction force spectroscopy of micropatterned organosilane self-assembled monolayers

    Frictional properties of organosilane self-assembled monolayers (SAMs) and hydrated silicon oxide (SiOH) surfaces on a single sample substrate were studied; the frictional force difference between the surfaces...

    H. Sugimura, H. Shiroyama, O. Takai, N. Nakagiri in Applied Physics A (2001)

  5. No Access

    Article

    Application of a hydrogen reference electrode to a solid state water removal device

    An electrolytic water removal device using a solid polymer electrolyte membrane has been developed for controlling the humidity in the atmosphere of electrical control boxes. The device consists of a solid pol...

    S. Yamauchi, K. Mitsuda, H. Maeda, O. Takai in Journal of Applied Electrochemistry (2000)

  6. No Access

    Article

    Hydroxyapatite Coating on Thermal Titanium Substrate in Aqueous Solution

    A hydroxyapatite, HAP, film was deposited on a titanium substrate in an aqueous solution, at an ambient temperature and ambient pressure. The solution included 3 mmoldm-3 Ca(H2PO4)2 and 7 mmol dm-3 CaCl2 at pH 5....

    M. Okido, R. Ichino, K. Kuroda, R. Ohsawa, O. Takai in MRS Online Proceedings Library (1999)

  7. No Access

    Article

    Photo and Scanning Probe Lithography Using Alkylsilane Self-Assembled Monolayers

    An organic film of a few nm in thickness was applied as a resist for photolithography and scanning probe lithography. This resist film was prepared on an oxide-covered Si substrate through chemisorption and sp...

    H. Sugimura, T. Hanji, O. Takai, K. Fukuda, H. Misawa in MRS Online Proceedings Library (1999)

  8. No Access

    Article

    Nanomechanical Properties of Amorphous Carbon and Carbon Nitride Thin Films Prepared by Shielded Arc Ion Plating

    Hydrogen free amorphous carbon (a-C) and carbon nitride (a-C:N) were synthesized by means of shielded arc ion plating in which a shielding plate was inserted between a target and a substrate in order to reduce...

    N. Tajima, H. Saze, H. Sugimura, O. Takai in MRS Online Proceedings Library (1999)

  9. No Access

    Article

    Nanomechanical Properties of Amorphous Carbon and Carbon Nitride Thin Films Prepared by Shielded Arc Ion Plating

    Hydrogen free amorphous carbon (a-C) and carbon nitride (a-C:N) were synthesized by means of shielded arc ion plating in which a shielding plate was inserted between a target and a substrate in order to reduce...

    N. Tajima, H. Saze, H. Sugimura, O. Takai in MRS Online Proceedings Library (1999)

  10. No Access

    Article

    Synthesis and properties of CeN thin films deposited by arc ion plating

    Cerium nitride films were deposited by ion plating in an electron-beam sustained Ce arc discharge in a nitrogen atmosphere. The crystal structure was strongly affected by the arc discharge current and the subs...

    S. Q. **ao, K. Tsuzuki, H. Sugimura, O. Takai in Journal of Materials Science (1998)

  11. No Access

    Article

    Surface chemistry of porous silicon carbide

    The anodization reaction of SiC using HF solution makes a porous silicon carbide (PSC) layer develop. The luminescence behavior of PSC, however, is somewhat different from that of porous Si in that the so-call...

    W. Shin, W. Seo, O. Takai, K. Koumoto in Journal of Electronic Materials (1998)

  12. No Access

    Article

    Preparation of transparent water-repellent films by radio-frequency plasma-enhanced chemical vapour deposition

    Preparation of transparent water-repellent films was carried out using three kinds of fluoroalkyl silanes (FASs) by radio-frequency plasma-enhanced chemical vapour deposition. The effects of the reaction condi...

    A HOZUMI, H SEKOGUCHI, N KAKINOKI, O TAKAI in Journal of Materials Science (1997)

  13. No Access

    Article

    Preparation of silicon oxide films by ultraviolet-assisted rf plasma-enhanced chemical vapour deposition

    Abstracts are not published in this journal

    A. HOZUMI, N. SUGIMOTO, H. SEKOGUCHI, O. TAKAI in Journal of Materials Science Letters (1997)

  14. No Access

    Article

    Preparation of diamond-like carbon thin films by shielded arc ion plating

    Abstracts are not published in this journal

    Y. Taki, T. Kitagawa, O. Takai in Journal of Materials Science Letters (1997)

  15. No Access

    Article

    Fluorine-contained films with high water-repellency and transparency prepared by RF plasma-enhanced CVD

    A. Hozumi, N. Kakinoki, Y. Asai, O. Takai in Journal of Materials Science Letters (1996)