Single molecule nanometronome

Chittanon Buranachai, Sean A. McKinney, Taekjip Ha

Research output: Contribution to journalArticle

Abstract

We constructed a DNA-based nanomechanical device called the nanometronome. Our device is made by introducing complementary single-stranded overhangs at the two arms of the DNA four-way junction. The ticking rates of this stochastic metronome depend on ion concentrations and can be changed by a set of DNA-based switches to deactivate/reactivate the sticky end. Since the device displays clearly distinguishable responses even with a single base pair difference, it may lead to a single molecule sensor of minute sequence differences of a target DNA.

Original languageEnglish (US)
Pages (from-to)496-500
Number of pages5
JournalNano Letters
Volume6
Issue number3
DOIs
StatePublished - Mar 2006
Externally publishedYes

Fingerprint

DNA
deoxyribonucleic acid
Molecules
molecules
display devices
ion concentration
switches
Display devices
Switches
Ions
sensors
Sensors

ASJC Scopus subject areas

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

Cite this

Buranachai, C., McKinney, S. A., & Ha, T. (2006). Single molecule nanometronome. Nano Letters, 6(3), 496-500. https://doi.org/10.1021/nl052492p

Single molecule nanometronome. / Buranachai, Chittanon; McKinney, Sean A.; Ha, Taekjip.

In: Nano Letters, Vol. 6, No. 3, 03.2006, p. 496-500.

Research output: Contribution to journalArticle

Buranachai, C, McKinney, SA & Ha, T 2006, 'Single molecule nanometronome', Nano Letters, vol. 6, no. 3, pp. 496-500. https://doi.org/10.1021/nl052492p
Buranachai C, McKinney SA, Ha T. Single molecule nanometronome. Nano Letters. 2006 Mar;6(3):496-500. https://doi.org/10.1021/nl052492p
Buranachai, Chittanon ; McKinney, Sean A. ; Ha, Taekjip. / Single molecule nanometronome. In: Nano Letters. 2006 ; Vol. 6, No. 3. pp. 496-500.
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