Physical Review Letters 2000-08-14

Charge transport along the lambda-DNA double helix.

P Tran, B Alavi, G Gruner

Index: Phys. Rev. Lett. 85(7) , 1564-7, (2000)

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Abstract

We have measured the conductivity sigma along the lambda phage DNA (lambda-DNA) double helix at microwave frequencies using lyophilized DNA in and also without a buffer. The conductivity is strongly temperature dependent around room temperature with a crossover to a weakly temperature dependent conductivity at low temperatures. Removal of the water mantle around the double helix leads to reduced conductivity.