Cited by 2,022Advanced X-ray Imaging TechniquesEnzyme Structure and FunctionProtein Structure and Dynamics

Potential for biomolecular imaging with femtosecond X-ray pulses

Neutze, Richard, Wouts, Remco, van der Spoel, David, Weckert, Edgar, Hajdu, Janos·2000·Nature

Abstract

Sample damage by X-rays and other radiation limits the resolution of structural studies on non-repetitive and non-reproducible structures such as individual biomolecules or cells. Cooling can slow sample deterioration, but cannot eliminate damage-induced sample movement during the time needed for conventional measurements. Analyses of the dynamics of damage formation suggest that the conventional damage barrier (about 200 X-ray photons per A2 with X-rays of 12 keV energy or 1 A wavelength) may be extended at very high dose rates and very short exposure times. Here we have used computer simulations to investigate the structural information that can be recovered from the scattering of intense femtosecond X-ray pulses by single protein molecules and small assemblies. Estimations of radiation damage as a function of photon energy, pulse length, integrated pulse intensity and sample size show that experiments using very high X-ray dose rates and ultrashort exposures may provide useful structural information before radiation damage destroys the sample. We predict that such ultrashort, high-intensity X-ray pulses from free-electron lasers that are currently under development, in combination with container-free sample handling methods based on spraying techniques, will provide a new approach to structural determinations with X-rays.

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Crossref · 10.1038/35021099

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  • The 40 fs XFEL laser pulse enables 'diffraction before destruction' data collection, whereby the diffraction pattern is recorded before the sample is destroyed.

    “Nonetheless, the 40 fs laser pulse enables the so-called “diffraction before destruction” data collection58,59, whereby the diffraction pattern is recorded before the sample is destroyed.”

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Authors
Neutze, R., Wouts, R., van der Spoel, D., Weckert, E., & Hajdu, J.
Affiliations
  • Uppsala University (SE)
  • Karlsruhe Institute of Technology (DE)
Venue
Nature
Published
2000-08-17
Volume
406
Issue
6797
Pages
752-757
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W1625860372
Cited by
2,022
References
0
Citations by year
2026: 46 · 2025: 74 · 2024: 69 · 2023: 77 · 2022: 86 · 2021: 87 · 2020: 118 · 2019: 107 · 2018: 97 · 2017: 142 · 2016: 128 · 2015: 151 · 2014: 123 · 2013: 93 · 2012: 91
FWCI
22.44
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • Desy Publications Database (Deutsches Elektronen-Synchrotron DESY) (submittedVersion)
Topics
  • Physical Sciences › Physics and Astronomy › Radiation › Advanced X-ray Imaging Techniques
  • Physical Sciences › Materials Science › Materials Chemistry › Enzyme Structure and Function
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
Keywords
radiation damage, femtosecond X-ray pulses, free-electron laser, protein structure determination, high dose rate
MeSH terms
Computer Simulation, Electron Probe Microanalysis, Muramidase, Proteins, Scattering, Radiation, Software, Bacteriophage T4

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