Solid-phase purification of gene synthesis products using magnetic beads

Mo Chao Huang, Mo Huang Li, Jackie Y. Ying

Research output: Contribution to journalConference articlepeer-review

Abstract

Herein we report three novel methods which utilize chemical conjugated magnetic beads to purify synthetic gene from its synthesis solution and prepare the synthesized gene in suitable buffer for downstream applications. Silica-coated magnetic beads are applied for non-specific DNA purification to remove short oligonucleotides and monomers. Streptavidin conjugated magnetic beads and (dT)25 Oligo immobilized magnetic beads are introduced for specific DNA extraction. The performances of these methods are investigated and compared using gel electrophoresis. The optimal conditions for enhancing the extraction efficiency are discussed. In addition, the approach to integrate these solid-phase purification methods into microfluidic devices is presented.

Original languageEnglish
Article number72690A
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume7269
DOIs
StatePublished - 2008
Externally publishedYes
EventMicro- and Nanotechnology: Materials, Processes, Packaging, and Systems IV - Melbourne, VIC, Australia
Duration: 10 Dec 200812 Dec 2008

Keywords

  • DNA extraction
  • Gene synthesis
  • Magnetic beads
  • PCR purification
  • Solid-phase purification

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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