TY - JOUR
T1 - Femtosecond laser-induced periodic nanostructure creation on PET surface for controlling of cell spreading
AU - Sato, Yuji
AU - Tsukamoto, Masahiro
AU - Shinonaga, Togo
AU - Kawa, Takuya
N1 - Publisher Copyright:
© 2016, Springer-Verlag Berlin Heidelberg.
PY - 2016/3/1
Y1 - 2016/3/1
N2 - A new method of periodic nanostructure formation on a polyethylene terephthalate (PET) surface has been developed, employing a femtosecond laser with a wavelength of 1045 nm. To generate structured films, the PET was placed in contact with a silicon (Si) wafer, followed by irradiation with the laser focused on the Si wafer, passing through the PET film. In order to evaluate the surface morphology, atomic force microscopy analysis was conducted on both treated and untreated PET surfaces. From the results, nanostructures with a period of 600 nm and height of 100 nm were formed on the PET film surface by laser treatment. A cell cultivation test was carried out on PET films with and without periodic nanostructures, showing that for nanostructured films, the cells (MG-63) were spread along the periodic grooves; in contrast, random cell spreading was observed for cultures grown on the untreated PET film.
AB - A new method of periodic nanostructure formation on a polyethylene terephthalate (PET) surface has been developed, employing a femtosecond laser with a wavelength of 1045 nm. To generate structured films, the PET was placed in contact with a silicon (Si) wafer, followed by irradiation with the laser focused on the Si wafer, passing through the PET film. In order to evaluate the surface morphology, atomic force microscopy analysis was conducted on both treated and untreated PET surfaces. From the results, nanostructures with a period of 600 nm and height of 100 nm were formed on the PET film surface by laser treatment. A cell cultivation test was carried out on PET films with and without periodic nanostructures, showing that for nanostructured films, the cells (MG-63) were spread along the periodic grooves; in contrast, random cell spreading was observed for cultures grown on the untreated PET film.
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U2 - 10.1007/s00339-016-9716-4
DO - 10.1007/s00339-016-9716-4
M3 - Article
AN - SCOPUS:84975745642
SN - 0947-8396
VL - 122
SP - 1
EP - 6
JO - Applied Physics A: Materials Science and Processing
JF - Applied Physics A: Materials Science and Processing
IS - 3
M1 - 184
ER -