Silk patterns made by direct femtosecond laser writing

Ksenia Maximova, Xuewen Wang, Armandas Balčytis, Linpeng Fan, Jingliang Li, Saulius Juodkazis

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)

Abstract

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 photoinitiators. 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.

Original languageEnglish
Article number054101
JournalBiomicrofluidics
Volume10
Issue number5
DOIs
Publication statusPublished - 1 Sept 2016
Externally publishedYes

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