Autonomous control of interfacial electron transfer and the activation of DNA machines by an oscillatory pH system.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 23988015.
- Also identified by DOI 10.1021/nl402873y.
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Abstract
An oscillatory pH system is implemented to drive oscillatory pH-switchable DNA machines and to control pH-stimulated electron transfer at electrode surfaces. The oscillatory pH system drives the autonomous opening and closure of DNA tweezers and activates a DNA pendulum by the pH-stimulated formation and dissociation of i-motif structures. Also, a sequence-programmed nucleic acid monolayer-functionalized electrode undergoes autonomous oscillatory pH transitions between random coil and i-motif configurations, leading to the control of electron transfer at electrode surfaces.
Medical subject headings
- DNA
- Electrons
- Nucleic Acid Conformation