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One-dimensional photoconductivity in DNA

✍ Scribed by J.D. Magan; W. Blau; D.T. Croke; D.J. McConnell; J.M. Kelly

Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
344 KB
Volume
141
Category
Article
ISSN
0009-2614

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✦ Synopsis

The photoconductive response of dry, solid calf thymus DNA is measured after excitation with a KrF excimer laser. Both temporal decay of the photoconductive signal and the voltage dependence of the decay show one-dimensional carrier transport characteristics for long strands (5.4 pm long). Short-chain samples (190 nm long) show three-dimensional behaviour with a considerably shorter decay time.

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