| Literature DB >> 12059589 |
D L Woolard1, T R Globus, B L Gelmont, M Bykhovskaia, A C Samuels, D Cookmeyer, J L Hesler, T W Crowe, J O Jensen, J L Jensen, W R Loerop.
Abstract
A detailed investigation of phonon modes in DNA macromolecules is presented. This work presents experimental evidence to confirm the presence of multiple dielectric resonances in the submillimeter-wave spectra (i.e., approximately 0.01-10 THz) obtained from DNA samples. These long-wave (i.e., approximately 1-30 cm(-1)) absorption features are shown to be intrinsic properties of the particular DNA sequence under study. Most importantly, a direct comparison of spectra between different DNA samples reveals a large number of modes and a reasonable level of sequence-specific uniqueness. This work establishes the initial foundation for the future use of submillimeter-wave spectroscopy in the identification and characterization of DNA macromolecules.Entities:
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Year: 2002 PMID： 12059589 DOI： 10.1103/PhysRevE.65.051903
Source DB: PubMed Journal: Phys Rev E Stat Nonlin Soft Matter Phys ISSN： 1539-3755