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. 2018 Jan 17;9(1):8. doi: 10.3390/jfb9010008

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© 2018 by the author.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

Conductance measurements of poly(GC)₄ DNA under a structural transition from B- to Z-form. (a) Schematic of STM-BJ method; (b) Example conductance histograms and traces of B-DNA (upper) and Z-DNA (lower) in 1 M MgCl₂ solution; (c) CD spectra measured in 0–2 M MgCl₂ solutions; (d) Transition degree vs. log MgCl₂ concentration plot, showing the entire transition process monitored by conductance measurement. Reprinted with permission from ref. [79]. Copyright (2014) Royal Society of Chemistry.