Variation of biocompatibility of titanium dioxide film by femtosecond laser irradiation

Togo Shinonaga, Masahiro Tsukamoto, Naoto Horigutchi, Yuichiro Ito, Akiko Nagai, Kimihiro Yamashita, Takao Hanawa, Nobuhiro Matsushita, Xie Guoqiang, Masanari Takahashi, Nobuyuki Abe

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Periodic nanostructures formation on Titanium dioxide (TiO2) film by scanning of femtosecond laser beam spot is reported. Cell attachment could be controlled by periodic nanostructures formation on the film. Then, biocompatibility of the film could be improved. The film was formed on Ti plate by aerosol beam irradiation. Periodic nanostructures, lying perpendicular to the laser electric field polarization vector, were formed on large areas of the film by femtosecond laser irradiation for scanning speed of 1mm/sec at laser fluence of 0.35 J/cm2. The period of periodic nanostructures on the film was about 200 nm. The period of periodic nanostructures on the film was much shorter than the period on Ti plate. By cell test, cells were attached to periodic nanostructures of the film. Then, cells were formed periodically on the film.

Original languageEnglish
Title of host publicationICALEO 2012 - 31st International Congress on Applications of Lasers and Electro-Optics
Pages705-709
Number of pages5
Publication statusPublished - 2012
Externally publishedYes
Event31st International Congress on Applications of Lasers and Electro-Optics, ICALEO 2012 - Anaheim, CA, United States
Duration: Sep 23 2012Sep 27 2012

Other

Other31st International Congress on Applications of Lasers and Electro-Optics, ICALEO 2012
CountryUnited States
CityAnaheim, CA
Period9/23/129/27/12

Fingerprint

Laser beam effects
Ultrashort pulses
Biocompatibility
Titanium dioxide
Nanostructures
Scanning
titanium dioxide
Lasers
Aerosols
Laser beams
Electric fields
Irradiation
Polarization

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

Cite this

Shinonaga, T., Tsukamoto, M., Horigutchi, N., Ito, Y., Nagai, A., Yamashita, K., ... Abe, N. (2012). Variation of biocompatibility of titanium dioxide film by femtosecond laser irradiation. In ICALEO 2012 - 31st International Congress on Applications of Lasers and Electro-Optics (pp. 705-709)

Variation of biocompatibility of titanium dioxide film by femtosecond laser irradiation. / Shinonaga, Togo; Tsukamoto, Masahiro; Horigutchi, Naoto; Ito, Yuichiro; Nagai, Akiko; Yamashita, Kimihiro; Hanawa, Takao; Matsushita, Nobuhiro; Guoqiang, Xie; Takahashi, Masanari; Abe, Nobuyuki.

ICALEO 2012 - 31st International Congress on Applications of Lasers and Electro-Optics. 2012. p. 705-709.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Shinonaga, T, Tsukamoto, M, Horigutchi, N, Ito, Y, Nagai, A, Yamashita, K, Hanawa, T, Matsushita, N, Guoqiang, X, Takahashi, M & Abe, N 2012, Variation of biocompatibility of titanium dioxide film by femtosecond laser irradiation. in ICALEO 2012 - 31st International Congress on Applications of Lasers and Electro-Optics. pp. 705-709, 31st International Congress on Applications of Lasers and Electro-Optics, ICALEO 2012, Anaheim, CA, United States, 9/23/12.
Shinonaga T, Tsukamoto M, Horigutchi N, Ito Y, Nagai A, Yamashita K et al. Variation of biocompatibility of titanium dioxide film by femtosecond laser irradiation. In ICALEO 2012 - 31st International Congress on Applications of Lasers and Electro-Optics. 2012. p. 705-709
Shinonaga, Togo ; Tsukamoto, Masahiro ; Horigutchi, Naoto ; Ito, Yuichiro ; Nagai, Akiko ; Yamashita, Kimihiro ; Hanawa, Takao ; Matsushita, Nobuhiro ; Guoqiang, Xie ; Takahashi, Masanari ; Abe, Nobuyuki. / Variation of biocompatibility of titanium dioxide film by femtosecond laser irradiation. ICALEO 2012 - 31st International Congress on Applications of Lasers and Electro-Optics. 2012. pp. 705-709
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AU - Shinonaga, Togo

AU - Tsukamoto, Masahiro

AU - Horigutchi, Naoto

AU - Ito, Yuichiro

AU - Nagai, Akiko

AU - Yamashita, Kimihiro

AU - Hanawa, Takao

AU - Matsushita, Nobuhiro

AU - Guoqiang, Xie

AU - Takahashi, Masanari

AU - Abe, Nobuyuki

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AB - Periodic nanostructures formation on Titanium dioxide (TiO2) film by scanning of femtosecond laser beam spot is reported. Cell attachment could be controlled by periodic nanostructures formation on the film. Then, biocompatibility of the film could be improved. The film was formed on Ti plate by aerosol beam irradiation. Periodic nanostructures, lying perpendicular to the laser electric field polarization vector, were formed on large areas of the film by femtosecond laser irradiation for scanning speed of 1mm/sec at laser fluence of 0.35 J/cm2. The period of periodic nanostructures on the film was about 200 nm. The period of periodic nanostructures on the film was much shorter than the period on Ti plate. By cell test, cells were attached to periodic nanostructures of the film. Then, cells were formed periodically on the film.

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