Zobrazeno 1 - 10
of 93
pro vyhledávání: '"Yuji Ohkubo"'
Publikováno v:
Nanomaterials, Vol 12, Iss 22, p 4106 (2022)
Pd nanoparticles were directly immobilized on acrylonitrile–butadiene–styrene copolymer (ABS), acrylonitrile–styrene copolymer (AS), polystyrene (PS), polyphenylene sulfide (PPS), poly(vinyl chloride) (PVC), polypropylene (PP), and polyethylene
Externí odkaz:
https://doaj.org/article/fb728bd9e191468196e91112b1419c10
Autor:
Satoshi Seino, Yuji Ohkubo, Tomonari Magara, Hiroki Enomoto, Eri Nakajima, Tomoki Nishida, Yasuo Imoto, Takashi Nakagawa
Publikováno v:
Nanomaterials, Vol 12, Iss 17, p 3046 (2022)
A new method has been developed to impart the antimicrobial activity of silver nanoparticles to resin substrates. A resin substrate immersed in an aqueous solution of silver nitrate was irradiated with gamma ray or high energy electron beams. Silver
Externí odkaz:
https://doaj.org/article/8c5e60dfddb0475290493fcc0dd1624b
Publikováno v:
Nanomaterials, Vol 12, Iss 9, p 1463 (2022)
Pd nanoparticles were immobilized on an acrylonitrile–butadiene–styrene copolymer (ABS) substrate using ionizing radiation. The samples were prepared by irradiating plastic zipper packs containing ABS substrates and a Pd(NO3)2 aqueous solution wi
Externí odkaz:
https://doaj.org/article/60db4a1742a1461493b8d5634672e47a
Autor:
Misa Nishino, Yuki Okazaki, Yosuke Seto, Tsuyoshi Uehara, Katsuyoshi Endo, Kazuya Yamamura, Yuji Ohkubo
Publikováno v:
Polymers, Vol 14, Iss 3, p 394 (2022)
In this study, the effect of plasma treatment on glass-cloth-containing polytetrafluoroethylene (GC–PTFE) was investigated. Previous plasma studies investigated pure PTFE (which does not contain glass cloth) but not GC–PTFE. The effect of Ar + H2
Externí odkaz:
https://doaj.org/article/e0e1122d614245a0b6fde2f7e8751212
Autor:
Yuji Ohkubo, Yuki Okazaki, Masafumi Shibahara, Misa Nishino, Yosuke Seto, Katsuyoshi Endo, Kazuya Yamamura
Publikováno v:
Polymers, Vol 13, Iss 23, p 4266 (2021)
Heat-assisted plasma (HAP) treatment using He gas is known to improve the adhesive-bonding and adhesive-free adhesion properties of polytetrafluoroethylene (PTFE). In this study, we investigated the effects of He and Ar gaseous species on the HAP-tre
Externí odkaz:
https://doaj.org/article/bf32606342254c409666208cf0b597a8
Autor:
Yuji Ohkubo, Tomonori Aoki, Daisuke Kaibara, Satoshi Seino, Osamu Mori, Rie Sasaki, Katsuyoshi Endo, Kazuya Yamamura
Publikováno v:
Nanomaterials, Vol 10, Iss 1, p 114 (2020)
Polydopamine (PDA)—a known adhesive coating material—was used herein to strongly immobilize a Pt-particle catalyst on an acrylonitrile−butadiene−styrene copolymer (ABS) substrate. Previous studies have shown that the poor adhesion between Pt
Externí odkaz:
https://doaj.org/article/22479aaea37645208a77eace31548746
Autor:
Yuji Ohkubo, Tomonori Aoki, Satoshi Seino, Osamu Mori, Issaku Ito, Katsuyoshi Endo, Kazuya Yamamura
Publikováno v:
Nanomaterials, Vol 9, Iss 3, p 342 (2019)
In a previous study, Pt nanoparticles were supported on a substrate of acrylonitrile–butadiene–styrene copolymer (ABS) to give the ABS surface catalytic activity for H2O2 decomposition during contact lens cleaning. Although the Pt-particle/ABS ca
Externí odkaz:
https://doaj.org/article/596c375f81104e72a05cf66178cd5700
Autor:
Yuji Ohkubo, Tomonori Aoki, Satoshi Seino, Osamu Mori, Issaku Ito, Katsuyoshi Endo, Kazuya Yamamura
Publikováno v:
Nanomaterials, Vol 7, Iss 9, p 235 (2017)
A container used in contact lens cleaning requires a Pt plating weight of 1.5 mg for H2O2 decomposition although Pt is an expensive material. Techniques that decrease the amount of Pt are therefore needed. In this study, Pt nanoparticles instead of P
Externí odkaz:
https://doaj.org/article/bde896796ac241b092f686710d39d75b
Autor:
Erika Miyake, Misa Nishino, Yosuke Seto, Izuru Komatsu, Katsuyoshi Endo, Kazuya Yamamura, Yuji Ohkubo
Publikováno v:
RSC Advances. 13:1834-1841
The adhesion strength of PTFE/silicone gel assembly was 0.01 N mm−1 when untreated, but 0.05 N mm−1 and cohesion failure of gel occurred when plasma-treated. When adding SiO2 powder to gel, the adhesion strength increased from 0.05 to 1.13 N mm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f55def9329eb61f7fd294a2d9fd457a7
https://doi.org/10.1039/d2ra05749b
https://doi.org/10.1039/d2ra05749b
Autor:
Yuji Ohkubo
Publikováno v:
Seikei-Kakou. 34:410-414
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::caec2c91f1ce4a4fa92fffbe7ab4b357
https://doi.org/10.4325/seikeikakou.34.410
https://doi.org/10.4325/seikeikakou.34.410