CFEL-I

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2019-02-25
10:28
OpenAccess [PUBDB-2019-01243] Journal Article
et al
Multilayer Laue lenses at high x-ray energies: Performance and applications
Optics express 27(5), 7120 - 7138 () [10.1364/OE.27.007120]  GO
X-ray microscopy at photon energies above 15 keV is very attractive for the investigation of atomic and nanoscale properties of technologically relevant structural and bio materials. This method is limited by the quality of X-ray optics [...]
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ddc:530
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2019-02-07
09:27
Embargoed OpenAccess [PUBDB-2019-00970] Contribution to a book

Climbing the Data Mountain: Processing of SFX Data
X-ray Free Electron Lasers / Boutet, Sébastien (Editor) ; Cham : Springer International Publishing, 2018, Chapter 7 ; ISBN: 978-3-030-00550-4 ; doi:10.1007/978-3-030-00551-1 Cham : Springer International Publishing 209-233 () [10.1007/978-3-030-00551-1_7]  GO
Serial femtosecond crystallography experiments produce mountains of data that require FEL facilities to provide many petabytes of storage space and large compute clusters for timely processing of user data. The route to reach the summit of the data mountain requires peak finding, indexing, integration, refinement, and phasing. [...]
Published on 2018-12-28. Available in OpenAccess from 2020-12-28.: Download fulltextPDF Download fulltextPDF (PDFA); Restricted: Download fulltextPDF Download fulltextPDF (PDFA);

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2019-02-07
09:24
[PUBDB-2019-00969] Contribution to a book
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Sample Delivery Techniques for Serial Crystallography
X-ray Free Electron Lasers / Boutet, Sébastien (Editor) ; Cham : Springer International Publishing, 2018, Chapter 5 ; ISBN: 978-3-030-00550-4 ; doi:10.1007/978-3-030-00551-1 Cham : Springer International Publishing 109-184 () [10.1007/978-3-030-00551-1_5]  GO
In serial femtosecond crystallography (SFX), protein microcrystals and nanocrystals are introduced into the focus of an X-ray free electron laser (FEL) beam ideally one-by-one in a serial fashion. The high photon density in each pulse is the double-edged sword that necessitates the serial nature of the experiments. [...]
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2019-02-07
09:21
[PUBDB-2019-00968] Contribution to a book

Single Molecule Imaging Using X-ray Free Electron Lasers
X-ray Free Electron Lasers / Boutet, Sébastien (Editor) ; Cham : Springer International Publishing, 2018, Chapter 14 ; ISBN: 978-3-030-00550-4 ; doi:10.1007/978-3-030-00551-1 Cham : Springer International Publishing 401-426 () [10.1007/978-3-030-00551-1_14]  GO
The potential to image single molecules in action with a resolution sufficiently high to reveal atomic information at room temperature without the need for crystallization is one of the most exciting applications of X-ray free electron lasers. Significant progress has been made towards this goal over the past years. [...]
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2019-02-07
08:39
Embargoed OpenAccess [PUBDB-2019-00967] Journal Article
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X-ray Emission Spectroscopy at X-ray Free Electron Lasers: Limits to Observation of the Classical Spectroscopic Response for Electronic Structure Analysis
X-ray free electron lasers (XFELs) provide ultrashort intense X-ray pulses suitable to probe electron dynamics but can also induce a multitude of nonlinear excitation processes. These affect spectroscopic measurements and interpretation, particularly for upcoming brighter XFELs. [...]
Published on 2018-12-19. Available in OpenAccess from 2019-12-19.: Download fulltextPDF; Restricted: Download fulltextPDF Download fulltextPDF (PDFA);
ddc:530
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2019-02-03
21:55
OpenAccess [PUBDB-2019-00931] Journal Article

Processing serial crystallography data with CrystFEL : a step-by-step guide
This article provides a step-by-step guide to the use of the CrystFEL software for processing serial crystallography data from an X-ray free-electron laser or a synchrotron light source. Whereas previous papers have described the theory and algorithms and their rationale, this paper describes the steps to be performed from a user perspective, including command-line examples..
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ddc:530
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2019-01-07
18:49
Embargoed OpenAccess [PUBDB-2019-00073] Contribution to a book
et al
Structure Determination by Continuous Diffraction from Imperfect Crystals
[Ebook] X-ray Free Electron Lasers : A Revolution in Structural Biology / Boutet, Sébastien ; Fromme, Petra ; Hunter, Mark S. , Cham : Springer International Publishing, 2018, Cham : Springer Nature 253-300 () [10.1007/978-3-030-00551-1_9]  GO
The coherent diffraction pattern of a non-periodic finite object does not consist of Bragg peaks but is continuously and smoothly varying. Such patterns do not suffer from the well-known phase problem of crystallography. [...]
Published on 2018-12-28. Available in OpenAccess from 2020-12-28.: Download fulltextPDF; Restricted: Download fulltextPDF Download fulltextPDF (PDFA);
ddc:660.63
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2019-01-07
18:39
[PUBDB-2019-00072] Journal Article

X-Ray Free-Electron Lasers for the Structure and Dynamics of Macromolecules
Annual review of biochemistry 88(1), annurev-biochem-013118-110744 () [10.1146/annurev-biochem-013118-110744]  GO
X-ray free-electron lasers provide femtosecond-duration pulses of hard X-rays with a peak brightness approximately one billion times greater than is available at synchrotron radiation facilities. One motivation for the development of such X-ray sources was the proposal to obtain structures of macromolecules, macromolecular complexes, and virus particles, without the need for crystallization, through diffraction measurements of single non- crystalline objects [...]
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ddc:540
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2019-01-04
15:46
OpenAccess [PUBDB-2019-00046] Journal Article
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Ab initio phasing of the diffraction of crystals with translational disorder
To date X-ray protein crystallography is the most successful technique available for the determination of high-resolution 3D structures of biological molecules and their complexes. In X-ray protein crystallography the structure of a protein is refined against the set of observed Bragg reflections from a protein crystal. [...]
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ddc:530
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2018-12-20
17:48
[PUBDB-2018-05837] Journal Article
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Retinal isomerization in bacteriorhodopsin captured by a femtosecond x-ray laser
Science 361(6398), eaat0094 () [10.1126/science.aat0094]  GO
Ultrafast isomerization of retinal is the primary step in photoresponsive biological functions including vision in humans and ion transport across bacterial membranes. We used an x-ray laser to study the subpicosecond structural dynamics of retinal isomerization in the light-driven proton pump bacteriorhodopsin. [...]
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ddc:500
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