Modulating DNA adsorption on silica beads using an electrical switch

Tao Geng, Ning Bao, Oren Z. Gall, Chang Lu

Research output: Contribution to journalArticle

10 Scopus citations

Abstract

We demonstrate active tuning of DNA adsorption on silica beads using an electrical switch in a microfluidic device; we use electrolysis of water to alter pH in a packed bed of silica beads and switch the silica bead surface between being adsorptive and desorptive for DNA molecules.

Original languageEnglish (US)
Pages (from-to)800-802
Number of pages3
JournalChemical Communications
Issue number7
DOIs
StatePublished - 2009

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

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