Self-assembled heterogeneous integrated fluorescence detection system

Samuel S. Kim, Ehsan Saeedi, Deirdre Meldrum, Babak A. Parviz

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Scopus citations

Abstract

We present the current progress towards a fully integrated fluorescence detection system constructed via self-assembly of independently microfabricated excitation sources and photosensors onto a common template. The system template contains specifically shaped binding sites for micron-scale components and electrical interconnects. The self-assembly process allows for using materials such as plastic or glass for constructing the template that are incompatible with conventional microfabrication processes. The excitation sources are AlGaAs light emitting diodes and the photosensors are silicon pn junctions. These microcomponents are independently microfabricated and released from their respective substrates to yield a powder-like collection. The microcomponents are introduced over the template in a heated fluidic slurry and allowed to self-assemble onto the complementary-shaped binding sites. The self-assembly process is driven by capillary forces resultant from low melting point alloy coated on the electrical contact pads, fluidic forces, shape matching, and gravity. The final system offers a 3 × 3 array of individually addressable complete fluorescence detection units.

Original languageEnglish (US)
Title of host publicationProceedings of the 2nd IEEE International Conference on Nano/Micro Engineered and Molecular Systems, IEEE NEMS 2007
Pages927-931
Number of pages5
DOIs
Publication statusPublished - 2007
Externally publishedYes
Event2007 2nd IEEE International Conference on Nano/Micro Engineered and Molecular Systems, IEEE NEMS 2007 - Bangkok, Thailand
Duration: Jan 16 2007Jan 19 2007

Other

Other2007 2nd IEEE International Conference on Nano/Micro Engineered and Molecular Systems, IEEE NEMS 2007
CountryThailand
CityBangkok
Period1/16/071/19/07

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Keywords

  • Fluorescence detection
  • Integrated opto-electronics
  • Lab-on-a-chip
  • Self-assembly

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Computer Science Applications
  • Electrical and Electronic Engineering

Cite this

Kim, S. S., Saeedi, E., Meldrum, D., & Parviz, B. A. (2007). Self-assembled heterogeneous integrated fluorescence detection system. In Proceedings of the 2nd IEEE International Conference on Nano/Micro Engineered and Molecular Systems, IEEE NEMS 2007 (pp. 927-931). [4160473] https://doi.org/10.1109/NEMS.2007.352170