Silk patterns made by direct femtosecond laser writing

被引：22
|
作者：
Maximova, Ksenia [1 ]
Wang, Xuewen [1 ]
Balcytis, Armandas [1 ,2 ]
Fan, Linpeng [3 ]
Li, Jingliang [3 ]
Juodkazis, Saulius [1 ,4 ]
机构：
[1] Swinburne Univ Technol, Ctr Microphoton, John St, Hawthorn, Vic 3122, Australia
[2] Ctr Phys Sci & Technol, Dept Laser Technol, Savanoriu Ave 231, LT-02300 Vilnius, Lithuania
[3] Deakin Univ, Inst Frontier Mat, Australian Future Fibers Res & Innovat Ctr, Geelong, Vic 3220, Australia
[4] Australian Natl Fabricat Facil, Melbourne Ctr Nanofabricat, Victorian Node, 151 Wellington Rd, Clayton, Vic 3168, Australia
来源：
BIOMICROFLUIDICS | 2016年 / 10卷 / 05期
基金：
澳大利亚研究理事会;
关键词：
SURFACE; LITHOGRAPHY; BEHAVIOR;
D O I：
10.1063/1.4962294
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
Silk patterns in a film of amorphous water-soluble fibroin are created by tailored exposure to femtosecond-laser pulses (1030 nm/230 fs) without the use of photo-initiators. This shows that amorphous silk can be used as a negative tone photoresist. It is also shown that water insoluble crystalline silk films can be precisely ablated from a glass substrate achieving the patterns of crystalline silk gratings on a glass substrate. Bio-compatible/degradable silk can be laser structured to achieve conformational transformations as demonstrated by infrared spectroscopy. Published by AIP Publishing.
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收藏
页数：6
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