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Quasi-elastic neutron scattering study of hydrated DNA.

Beta, I. A.; Michalarias, I.; Ford, R. C.; Li, J. C.; Bellissent-Funel, M.-C

Chemical Physics. 2003;292:451-454.

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Abstract

Dynamics of water around DNA mols. was studied by incoherent quasi-elastic neutron scattering. The mean residence time is about 10 times higher than for liq. water indicating that mobility of water adsorbed on DNA is reduced very significantly. The mean residence time increases from 10 ps for the sample with 2.5 g water/g DNA to 18 ps for a water content of 0.31 g water/g DNA. The activation energy of diffusion for water in hydrated DNA samples detd. by the Arrhenius plot is Ea=6.9 kcal/mol, a value significantly higher than 4.2 kcal/mol estd. for liq. water. [on SciFinder (R)]

Keyword(s)

Biological transport (diffusion quasi-elastic neutron scattering study of hydrated DNA) Hydration (quasi-elastic neutron scattering study of hydrated DNA) DNA Role: BSU (Biological study, unclassified), PRP (Properties), BIOL (Biological study) (quasi-elastic neutron scattering study of hydrated DNA)

Bibliographic metadata

Type of resource:
Content type:
Journal article
Author list:
Beta, I. A.; Michalarias, I.; Ford, R. C.; Li, J. C.; Bellissent-Funel, M.-C.
Published date:
2003
Article title:
Quasi-elastic neutron scattering study of hydrated DNA.
Journal title:
Chemical Physics
ISSN:
0301-0104
Volume:
292
Start page:
451
End page:
454
Pagination:
451-454
Digital Object Identifier:
10.1016/S0301-0104(03)00231-3
Access state:
Active

Institutional metadata

University researcher(s):
Academic department(s):

Record metadata

Manchester eScholar ID:
uk-ac-man-scw:1a4944
Created:
6th August, 2009, 10:39:09
Last modified:
30th March, 2013, 19:08:01

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