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Akademický článek

Evaluation of Antibacterial and Cytotoxic Properties of a Fluorinated Diamond-Like Carbon Coating for the Development of Antibacterial Medical Implants

Autor: Katsutaka Yonezawa, Masahito Kawaguchi, Ayumi Kaneuji, Toru Ichiseki, Yoshitsugu Iinuma, Kae Kawamura, Kazuhiro Shintani, Shinobu Oda, Makoto Taki, Norio Kawahara

Publikováno v: Antibiotics, Vol 9, Iss 8, p 495 (2020)

Peri-implant infection is a serious complication in surgical procedures involving implants. We conducted an in vitro study to determine whether the use of a fluorinated diamond-like carbon (F-DLC) coating on a titanium alloy surface can prevent peri-

Externí odkaz: https://doaj.org/article/6090f73538d144ebbc884cdeeb656eb1

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Hydrogen-free fluorinated DLC films with high hardness prepared by using T-shape filtered arc deposition system

Autor: Hirofumi Takikawa, Masao Kamiya, Tsuyoshi Tanimoto, Mikio Ito, Toru Harigai, Makoto Taki, Yushi Iijima, Shinsuke Kunitsugu, Takahiro Imai, Yoshiyuki Suda, Ryo Isono, Satoru Kaneko, Yushi Hasegawa

Publikováno v: Vacuum. 167:536-541

Fluorinated diamond-like carbon (F-DLC) films have good surface properties. DLC films with high mechanical hardness are prepared using filtered arc deposition, which is a physical vapor deposition method. In this work, the fabrication of F-DLC films

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9e6742ab191ed6b2b34abed8ee6e10ff
https://doi.org/10.1016/j.vacuum.2018.07.009

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Akademický článek

Humoral immune response against SARS-CoV-2 and polyethylene glycol elicited by anti-SARS-CoV-2 mRNA vaccine, and effect of pre-existing anti-polyethylene glycol antibody in patients with hematological and autoimmune diseases

Autor: Taiki Hori, Taro Shimizu, Hidenori Ando, Naoto Okada, Hiroki Yamagami, Saya Yasui, Minae Hosoki, Akihiro Tojima, Toshiki Otoda, Tomoyuki Yuasa, Ken-ichi Aihara, Makoto Takishita, Sumiko Yoshida, Masahiro Abe, Tatsuhiro Ishida, Shingen Nakamura

Publikováno v: Heliyon, Vol 10, Iss 10, Pp e31489- (2024)

Background: The effects of vaccination are modified by hematological and autoimmune diseases and/or treatment. Anti-SARS-CoV-2 mRNA vaccine contains polyethylene glycol (PEG), it is largely unknown whether PEG influences the effects of vaccination or

Externí odkaz: https://doaj.org/article/7c989386ecc3415caf29f234412bd763

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Dry machining of metal using an engraving cutter coated with a droplet-free ta-C film prepared via a T-shape filtered arc deposition

Autor: Hideto Tanoue, Yushi Hasegawa, Yuma Fujii, Hirofumi Takikawa, Yoshiyuki Suda, Satoru Kaneko, Yu Miyamoto, Takahiro Imai, Michinari Hosoo, Nobuhiro Tsuji, Toru Harigai, Naomi Ueda, Makoto Taki, Masao Kamiya

Publikováno v: Surface and Coatings Technology. 307:1029-1033

Tetrahedral amorphous carbon (ta-C) films were prepared on cutters which are used for engraving. Engraving tests were performed on metal plates using non-coated and ta-C-coated cutters, under dry machining conditions, without oil. Generally, the meta

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::103ffe039cafe1207fd70840f2e2e542
https://doi.org/10.1016/j.surfcoat.2016.07.037

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Improvement of drilling performance by overcoating diamond-like carbon films on diamond-coated drills for carbon fiber reinforced plastics processing

Autor: Yuya Sugie, Tsuyoshi Tanimoto, Toru Harigai, Hirofumi Takikawa, Masao Kamiya, Satoshi Degai, Kohtaku Suzuki, Shinsuke Kunitsugu, Makoto Taki, Satoru Kaneko, Hidenobu Gonda

Publikováno v: Vacuum. 183:109755

The hardness and hydrogen content of diamond-like carbon (DLC) films vary depending on the film deposition methods and conditions. Carbon fiber reinforced plastics (CFRP), known as hard-to-machine materials, have been widely used for industrial aircr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::78bef9bab074930a26fb174a1823f59c
https://doi.org/10.1016/j.vacuum.2020.109755

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Evaluation of Antibacterial and Cytotoxic Properties of a Fluorinated Diamond-Like Carbon Coating for the Development of Antibacterial Medical Implants

Autor: Makoto Taki, Yoshitsugu Iinuma, Norio Kawahara, Toru Ichiseki, Ayumi Kaneuji, Katsutaka Yonezawa, Masahito Kawaguchi, Kae Kawamura, Kazuhiro Shintani, Shinobu Oda

Publikováno v: Antibiotics
Volume 9
Issue 8
Antibiotics, Vol 9, Iss 495, p 495 (2020)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bdd3a00b4162d6c6e00777279235e681
https://doi.org/10.3390/antibiotics9080495

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Electrical resistivity and mechanical properties of nitrogen-containing diamondlike carbon/tungsten and nitrogen-containing diamondlike carbon/tungsten carbide multilayer films prepared under low substrate temperature

Autor: Takafumi Toya, Shigeki Takago, Makoto Taki, Hidenobu Gonda, Shinsuke Kunitsugu, Masao Kamiya, Haruyuki Yasui, Toru Harigai, Tsuyoshi Tanimoto, Koki Tamekuni, Satoru Kaneko, Hirofumi Takikawa

Publikováno v: Journal of Vacuum Science & Technology B. 38:011801

Nitrogen-containing diamondlike carbon (N-DLC) films are excellent surface protection films with high wear resistance and low electrical resistivity. In this paper, N-DLC/tungsten (W) and N-DLC/tungsten carbide (WC) multilayer films with low-electric

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0db4f1c0705142d13d58395bf78aa995
https://doi.org/10.1116/1.5129700

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Improvement of adhesion of hydrogen-free DLC film by employing an interlayer of tungsten carbide

Autor: Masao Kamiya, Hirofumi Takikawa, Shinsuke Kunitsugu, Ryo Isono, Toru Harigai, Yushi Iijima, Sholihatta Aziz Kusumawan, Satoru Kaneko, Yoshiyuki Suda, Makoto Taki, Tsuyoshi Tanimoto

Publikováno v: AIP Conference Proceedings.

Materials with poor adhesion present a problem for the application of diamond-like carbon (DLC) films. As a method for solving this problem, there is a technique that deposits an interlayer of metal between the DLC film and substrate. A tungsten carb

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ee7d2e0fd59a7aec8d6c47ab37c739c3
https://doi.org/10.1063/1.5021932

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Preparation of multi-layer film consisting of hydrogen-free DLC and nitrogen-containing DLC for conductive hard coating

Autor: Ryo Isono, Masao Kamiya, Satoshi Degai, Haruyuki Yasui, Makoto Taki, Satoru Kaneko, Toru Harigai, Shinsuke Kunitsugu, Tsuyoshi Tanimoto, Hirofumi Takikawa, Yoshiyuki Suda, Yushi Iijima

Publikováno v: AIP Conference Proceedings.

Conductive hard-coating films have potential application as protective films for contact pins used in the electrical inspection process for integrated circuit chips. In this study, multi-layer diamond-like carbon (DLC) films were prepared as conducti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::80b4f92b6273f14f05ddea994be513da
https://doi.org/10.1063/1.5021937

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Wear-resistive and electrically conductive nitrogen-containing DLC film consisting of ultra-thin multilayers prepared by using filtered arc deposition

Autor: Shinsuke Kunitsugu, Masao Kamiya, Satoru Kaneko, Toru Harigai, Yushi Iijima, Hidenobu Gonda, Shigeki Takago, Hitoe Habuchi, Yoshiyuki Suda, Satoshi Degai, Hirofumi Takikawa, Makoto Taki, Tsuyoshi Tanimoto, Koki Tamekuni, Haruyuki Yasui

Publikováno v: Japanese Journal of Applied Physics. 58:SEED05

Nitrogen-containing diamond-like carbon (N-DLC) multilayer films approximately 500 nm thick were fabricated on tungsten carbide substrates as surface protective films with high wear-resistive and conductive properties. Each layer thickness of the N-D

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e2cfa84e38e4c9bcc4413277420f2ca5
https://doi.org/10.7567/1347-4065/ab1472

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