Assessment of radiation damage in single-shot coherent diffraction of DNA molecules by an extreme-ultraviolet free-electron laser
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SCOPUS
- Title
- Assessment of radiation damage in single-shot coherent diffraction of DNA molecules by an extreme-ultraviolet free-electron laser
- Authors
- Park, J; Nam, D; Kohmura, Y; Nagasono, M; Jeon, Y; Lee, JB; Ishikawa, T; Song, C
- Date Issued
- 2012-10-25
- Publisher
- Americal physical society
- Abstract
- We have investigated the progress of structural distortions in DNA molecules by single-shot coherent diffraction using extreme-ultraviolet radiation from a free-electron laser. A speckle pattern of DNA molecules was successfully acquired using photons in a single pulse with a 100 fs pulse width. The radiation damage was assessed by a cross correlation, revealing that the first exposure has significantly deformed most of the original structures. Molecules were not completely destroyed by the first single-shot exposure and underwent subsequent distortions through continued exposure, until eventually deforming into a radiation-hard structure.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/13276
- DOI
- 10.1103/PhysRevE.86.042901
- ISSN
- 1539-3755
- Article Type
- Article
- Citation
- Physical review E, vol. 86, no. 4, 2012-10-25
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