Issue 15, 2010

Embellishment of microfluidic devices via femtosecond laser micronanofabrication for chip functionalization

Abstract

This paper demonstrates the embellishment of existing microfluidic devices with integrated three dimensional (3D) micronanostructures via femtosecond laser micronanofabrication, which, for the first time, proves two-photon photopolymerization (TPP) to be a powerful technology for chip functionalization. As representative examples, microsieves with various pore shape and adjustable pore size were successfully fabricated inside a conventional glass-based microfluidic channel prepared by wet etching for microparticle separation. Moreover, a fish scale like microfilter was also fabricated and appointed as a one-way valve, which showed excellent performance as we expected. These results indicate that such embellishment of microfluidic devices is simple, low cost, flexible and easy to access. We believe that, combined with TPP, the application of lab-on-chip devices would be further extended.

Graphical abstract: Embellishment of microfluidic devices via femtosecond laser micronanofabrication for chip functionalization

Supplementary files

Article information

Article type
Technical Note
Submitted
16 Feb 2010
Accepted
27 Apr 2010
First published
27 May 2010

Lab Chip, 2010,10, 1993-1996

Embellishment of microfluidic devices via femtosecond laser micronanofabrication for chip functionalization

J. Wang, Y. He, H. Xia, L. Niu, R. Zhang, Q. Chen, Y. Zhang, Y. Li, S. Zeng, J. Qin, B. Lin and H. Sun, Lab Chip, 2010, 10, 1993 DOI: 10.1039/C003264F

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