The dc conductivity of hydrated Li-DNA and Na-DNA powdered samples has been detected in a composite capacitor without electrode contacts. In all slightly hydrated samples the conductivity increases exponentially along with the water content with the same exponential factor, confirming initial suggestions of an intrinsic semiconductivity. Above about 25% water content, capillary condensation produces an additional relaxation effect. © 1988 The American Physical Society.
Water-induced dc conductivity of DNA: A dielectric-gravimetric study / Bonincontro, Adalberto; G., Careri; Giansanti, Andrea; F., Pedone. - In: PHYSICAL REVIEW A, GENERAL PHYSICS. - ISSN 0556-2791. - STAMPA. - 38:12(1988), pp. 6446-6447. [10.1103/physreva.38.6446]
Water-induced dc conductivity of DNA: A dielectric-gravimetric study
BONINCONTRO, Adalberto;GIANSANTI, Andrea;
1988
Abstract
The dc conductivity of hydrated Li-DNA and Na-DNA powdered samples has been detected in a composite capacitor without electrode contacts. In all slightly hydrated samples the conductivity increases exponentially along with the water content with the same exponential factor, confirming initial suggestions of an intrinsic semiconductivity. Above about 25% water content, capillary condensation produces an additional relaxation effect. © 1988 The American Physical Society.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
