Skip to main content
Journal cover image

Microwave-field-driven acoustic modes in DNA.

Publication ,  Journal Article
Edwards, GS; Davis, CC; Saffer, JD; Swicord, ML
Published in: Biophysical journal
June 1985

The direct coupling of a microwave field to selected DNA molecules is demonstrated using standard dielectrometry. The absorption is resonant with a typical lifetime of 300 ps. Such a long lifetime is unexpected for DNA in aqueous solution at room temperature. Resonant absorption at fundamental and harmonic frequencies for both supercoiled circular and linear DNA agrees with an acoustic mode model. Our associated acoustic velocities for linear DNA are very close to the acoustic velocity of the longitudinal acoustic mode independently observed on DNA fibers using Brillouin spectroscopy. The difference in acoustic velocities for supercoiled circular and linear DNA is discussed in terms of solvent shielding of the nonbonded potentials in DNA.

Duke Scholars

Altmetric Attention Stats
Dimensions Citation Stats

Published In

Biophysical journal

DOI

EISSN

1542-0086

ISSN

0006-3495

Publication Date

June 1985

Volume

47

Issue

6

Start / End Page

799 / 807

Related Subject Headings

  • Solutions
  • Nucleic Acid Conformation
  • Microwaves
  • Mathematics
  • Kinetics
  • Escherichia coli
  • DNA, Circular
  • DNA, Bacterial
  • Biophysics
  • 51 Physical sciences
 

Citation

APA
Chicago
ICMJE
MLA
NLM
Edwards, G. S., Davis, C. C., Saffer, J. D., & Swicord, M. L. (1985). Microwave-field-driven acoustic modes in DNA. Biophysical Journal, 47(6), 799–807. https://doi.org/10.1016/s0006-3495(85)83984-9
Edwards, G. S., C. C. Davis, J. D. Saffer, and M. L. Swicord. “Microwave-field-driven acoustic modes in DNA.Biophysical Journal 47, no. 6 (June 1985): 799–807. https://doi.org/10.1016/s0006-3495(85)83984-9.
Edwards GS, Davis CC, Saffer JD, Swicord ML. Microwave-field-driven acoustic modes in DNA. Biophysical journal. 1985 Jun;47(6):799–807.
Edwards, G. S., et al. “Microwave-field-driven acoustic modes in DNA.Biophysical Journal, vol. 47, no. 6, June 1985, pp. 799–807. Epmc, doi:10.1016/s0006-3495(85)83984-9.
Edwards GS, Davis CC, Saffer JD, Swicord ML. Microwave-field-driven acoustic modes in DNA. Biophysical journal. 1985 Jun;47(6):799–807.
Journal cover image

Published In

Biophysical journal

DOI

EISSN

1542-0086

ISSN

0006-3495

Publication Date

June 1985

Volume

47

Issue

6

Start / End Page

799 / 807

Related Subject Headings

  • Solutions
  • Nucleic Acid Conformation
  • Microwaves
  • Mathematics
  • Kinetics
  • Escherichia coli
  • DNA, Circular
  • DNA, Bacterial
  • Biophysics
  • 51 Physical sciences