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Conductivity of single-stranded and double-stranded deoxyribose nucleic acid under ambient conditions: The dominance of water
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10.1063/1.2182027
/content/aip/journal/apl/88/10/10.1063/1.2182027
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/10/10.1063/1.2182027
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Current at a voltage of through nanocontacts with a gap covered with spots of denatured DNA. The five different symbols represent measurements obtained with different chips. The humidity has been reduced with a dry nitrogen gas flow starting with an initially saturated atmosphere. The dashed line represents a linear fit of the measurement data.

Image of FIG. 2.
FIG. 2.

Current at a voltage of through nanocontacts with a gap covered with spots of hybridized DNA. The four different symbols represent measurements obtained with different chips. The humidity has been reduced with a dry nitrogen gas flow starting with an initially saturated atmosphere. The solid line represents a linear fit of the measurement data. The linear fit for denatured DNA (dashed line) is shown for comparison.

Image of FIG. 3.
FIG. 3.

Current-voltage characteristics measured with hybridized DNA spotted onto nanocontacts with a gap spacing. The measured curve changes from linear to s shape with increasing relative humidity.

Image of FIG. 4.
FIG. 4.

Current-voltage characteristics for different kinds of samples spotted onto nanocontacts with a gap. Liquid hybridized DNA solution as well as hybridized DNA at a very high humidity level of 91.6% have characteristics similar to water. The TRIS buffer with a large ion concentration has an even higher conductivity, the nonpolar solvent DMF a much lower conductivity.

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/content/aip/journal/apl/88/10/10.1063/1.2182027
2006-03-06
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Conductivity of single-stranded and double-stranded deoxyribose nucleic acid under ambient conditions: The dominance of water
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/10/10.1063/1.2182027
10.1063/1.2182027
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