| Issue |
Eur. Phys. J. AP
Volume 12, Number 2, November 2000
|
|
|---|---|---|
| Page(s) | 99 - 103 | |
| DOI | https://doi.org/10.1051/epjap:2000102 | |
| Published online | 15 November 2000 | |
https://doi.org/10.1051/epjap:2000102
A study of X-ray induced disorder in oligonucleotide single crystals
1
Department of Physics, Indian Institute of Science Bangalore 560 012, India
2
Tokyo University of Agriculture and Technology, Tokyo, 184-8588, Japan
3
Department of Studies in Physics, University of Mysore, Mysore 570 006, India
4
Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore 560 064, India
Corresponding authors: sshekar@bgl.vsnl.net.in shekarrs@cc.tuat.ac.jp
Received:
14
September
1999
Revised:
19
November
1999
Revised:
6
March
2000
Accepted:
22
September
2000
Published online: 15 November 2000
On the basis of one-dimensional paracrystalline model, we have calculated the linear disorder when oligonucleotide single crystals of DNA are irradiated by X-rays. For this purpose, the noticeable broadening of the meridional reflection at 3.2 Å was used as a marker to quantify the disorder, induced in the linear array of base pairs as one travels along the helical axis of DNA molecule.
PACS: 61.80.-x – Physical radiation effects, radiation damage / 61.80.Az – Theory and models of radiation effects / 61.80.Cb – X-ray effects
© EDP Sciences, 2000
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