Effects of humidity and depurination on the charge transport in DNA films

E. Lee, J. H. Han, Dong Ju Kim, G. W. Jeon, Cheol Eui Lee, Y. J. Park, H. D. Kim, Joon Kim

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We have investigated the humidity and depurination (creating apurinic sites) effects on the electrical conduction in the λ-DNA films at different relative humidities and depurination times. The DNA films were found to follow the polaron hopping model, and the polaron hopping distance turned out to decrease at the higher relative humidity, more water molecules supposedly being adsorbed on the film. The activation energy showed little dependence on the depurination time at the higher relative humidity, whereas at the lower humidity it increased sharply with increasing depurination time.

Original languageEnglish
Article number014701
JournalJournal of Applied Physics
Volume117
Issue number1
DOIs
Publication statusPublished - 2015 Jan 7

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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