Optically Fabricated Three Dimensional Nanofluidic Mixers for Microfluidic Devices

Seokwoo Jeon, Viktor Malyarchuk, Jeffrey O. White, John A. Rogere*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

63 Scopus citations

Abstract

This paper describes a simple technique for fabricating complex, but well defined, three-dimensional (3D) networks of nanoscale flow paths in the channels of microfluidic systems. Near field scanning optical measurements reveal the optics associated with the fabrication process and the key features that enable its application to the area of microfluidics. Confocal studies of microfluidic devices that incorporate 3D nanostructures formed using this approach show that they function as efficient passive mixing elements, particularly at low Reynolds numbers. This application and others such as separation and extraction in microfluidic total analysis systems or lab on a chip devices represent promising areas for 3D nanostructures of this general type.

Original languageEnglish (US)
Pages (from-to)1351-1356
Number of pages6
JournalNano letters
Volume5
Issue number7
DOIs
StatePublished - Jul 1 2005

ASJC Scopus subject areas

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering

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