Periodic nanostructures formed on a poly-methyl methacrylate surface with a femtosecond laser for biocompatibility improvement
Periodic nanostructures formed on a poly-methyl methacrylate surface with a femtosecond laser for biocompatibility improvement
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用飞秒激光在聚甲基丙烯酸甲酯表面形成周期性纳米结构以改善生物相容性
DOI：
10.1007/s00339-018-1813-0
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发表时间：
2018
期刊：
影响因子：
--
通讯作者：
K. Murai
中科院分区：
文献类型：
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作者：
K. Takenaka;M. Tsukamoto;Yuji Sato;T. Ooga;S. Asai;K. Murai
聚甲基丙烯酸甲酯（PMMA）被广泛用作生物材料。在表面形成周期性纳米结构对于提高生物相容性是必要的。提出并开发了一种在 PMMA 表面形成周期性纳米结构的方法。将PMMA板放置在钛(Ti)板上，然后通过PMMA板用激光照射Ti板。我们尝试通过增加接触压力和使用钛 (Ti) 板，使用基本波长的飞秒激光在 PMMA 上有效地产生周期性纳米结构。形成周期性纳米结构所需的PMMA和Ti之间的接触压力为300 kPa，对于2400 kPa的接触压力，PMMA表面上62%的激光照射区域形成周期性纳米结构。这些结果表明周期性纳米结构的形成效率取决于激光条件和接触压力。
Poly(methyl methacrylate) (PMMA) is widely used as a biomaterial. The formation of periodic nanostructures on the surface is necessary to improve the biocompatibility. A method was proposed and developed to form periodic nanostructures on a PMMA surface. A PMMA plate was placed on titanium (Ti) plate, and then the Ti plate was irradiated with a laser through the PMMA plate. We try to effectively produce periodic nanostructures on PMMA with a femtosecond laser at a fundamental wavelength by increasing the contact pressure and using titanium (Ti) plate. The contact pressure between PMMA and Ti required to form a periodic nanostructure is 300 kPa, and for a contact pressure of 2400 kPa, periodic nanostructures are formed in 62% of the laser-irradiated area on the PMMA surface. These results suggest that the formation efficiency of the periodic nanostructure depends on the laser conditions and the contact pressure.