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A Microfluidic Chip for the Versatile Chemical Analysis of Single Cells
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Programmable parylene-C bonding layer fluorescence for storing information on microfluidic chips.

Ata Tuna Ciftlik1, Diego Gabriel Dupouy, Martin A M Gijs

  • 1Laboratory of Microsystems 2, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland. martin.gijs@epfl.ch

Lab on a Chip
|February 22, 2013
PubMed
Summary

We developed a novel method for data storage on microfluidic devices using parylene-C bonding layer fluorescence. This technique allows data to be written, read, and erased on-chip using a standard fluorescent microscope.

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Area of Science:

  • Microfluidics
  • Materials Science
  • Data Storage Technologies

Background:

  • Microfluidic devices are crucial for various applications, but lack integrated data storage.
  • Storing operational parameters or identification data directly on-chip is a significant challenge.

Purpose of the Study:

  • To demonstrate data storage capabilities on glass/silicon microfluidic devices.
  • To utilize intermediate parylene-C bonding layer fluorescence (iPBLF) as an on-chip data medium.

Main Methods:

  • Fabrication of microfluidic devices using parylene-C as a bonding layer.
  • Dynamic programming of iPBLF intensity via alternating UV and Green light exposure.
  • Data manipulation (read, write, erase) using a standard fluorescent microscope.

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Last Updated: May 14, 2026

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Main Results:

  • Successful demonstration of data storage, retrieval, and erasure on microfluidic chips.
  • iPBLF serves as a viable on-chip medium for dynamic data programming.
  • Application of iPBLF for channel dimension detection and on-chip zone marking.

Conclusions:

  • Parylene-C bonding layer fluorescence offers a novel solution for on-chip data storage in microfluidics.
  • This technology can enhance automation in industrial applications by providing on-chip information.
  • iPBLF has potential applications beyond data storage, including device characterization and zone identification.