| Literature DB >> 15244846 |
Stefan P Hau-Riege1, Richard A London, Abraham Szoke.
Abstract
Very short and intense x-ray pulses can be used for diffraction imaging of single biological molecules. Inevitably, x-ray absorption initiates damage that degrades the molecule's image. This paper presents a continuum model of the physics that leads to damage when a small particle absorbs a large x-ray dose. The main processes are found to be ionization and Coulomb-force driven atomic motion. Trapping of electrons, Debye shielding, and nonuniform collisional ionization all have a significant effect on the overall damage kinetics.Entities:
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Year: 2004 PMID: 15244846 DOI: 10.1103/PhysRevE.69.051906
Source DB: PubMed Journal: Phys Rev E Stat Nonlin Soft Matter Phys ISSN: 1539-3755