CFEL-I

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2019-11-05
11:47
DBCoverage [PUBDB-2019-03909] Journal Article
et al
Membrane protein megahertz crystallography at the European XFEL
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ddc:500
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2019-09-05
09:45
OpenAccess [PUBDB-2019-03228] Journal Article
et al
Aerodynamically stabilized Taylor cone jets
We introduce a way to stabilize steady micro/nanoliquid jets issuing from Taylor cones together with coflowing gas streams. We study the dripping-jetting transition of this configuration theoretically through a global stability analysis as a function of the governing parameters involved [...]
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ddc:530
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2019-08-30
14:01
OpenAccess [PUBDB-2019-03156] Journal Article
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XGANDALF – extended gradient descent algorithm for lattice finding
Serial crystallography records still diffraction patterns from single, randomly oriented crystals, then merges data from hundreds or thousands of them to form a complete data set. To process the data, the diffraction patterns must first be indexed, equivalent to determining the orientation of each crystal. [...]
Fulltext: publ. Gevorkov, XGANDLALF, an EW 28.05.2019 - Download fulltextPDF Download fulltextPDF (PDFA); DEAL-Wiley - Download fulltextPDF Download fulltextPDF (PDFA); OpenAccess: Download fulltextPDF Download fulltextPDF (PDFA);
ddc:530
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2019-08-29
15:33
[PUBDB-2019-03146] Journal Article
et al
New insights into the crystallization of polymorphic materials: from real-time serial crystallography to luminescence analysis
Reaction chemistry & engineering advance Article, 10.1039.C9RE00191C () [10.1039/C9RE00191C]  GO
Detailed analysis of reaction mechanisms by in situ techniques are important for detecting metastable intermediates, analysing polymorphic transitions and thereby for the discovery of new compounds. This article presents the first combination of serial crystallography with in situ luminescence and X-ray diffraction (XRD) measurements to monitor the synthesis of [Eu(phen)2(NO3)3] (phen = 1,10-phenanthroline). [...]
ddc:540
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2019-08-23
14:12
OpenAccess [PUBDB-2019-03098] Journal Article
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1 kHz fixed-target serial crystallography using a multilayer monochromator and an integrating pixel detector
IUCrJ 6(5), 927 - 937 () [10.1107/S205225251900914X]  GO
Reliable sample delivery and efficient use of limited beam time have remained bottlenecks for serial crystallography (SX). Using a high-intensity polychromatic X-ray beam in combination with a newly developed charge-integrating JUNGFRAU detector, we have applied the method of fixed-target SX to collect data at a rate of 1 kHz at a synchrotron-radiation facility [...]
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2019-08-22
18:18
OpenAccess [PUBDB-2019-03088] Journal Article
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Megahertz x-ray microscopy at x-ray free-electron laser and synchrotron sources
Optica 6(9), 1106 - 1109 () [10.1364/OPTICA.6.001106]  GO
Modern emerging technologies, such as additive manufacturing, bioprinting, and new material production, require novel metrology tools to probe fundamental high-speed dynamics happening in such systems. Here we demonstrate the application of the megahertz (MHz) European X-ray Free-Electron Laser (EuXFEL) to image the fast stochastic processes induced by a laser on water-filled capillaries with micrometer-scale spatial resolution. [...]
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2019-07-17
18:38
[PUBDB-2019-02740] Journal Article
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Co-crystal structure of the Fusobacterium ulcerans ZTP riboswitch using an X-ray free-electron laser
Riboswitches are conformationally dynamic RNAs that regulate gene expression by binding specific small molecules. ZTP riboswitches bind the purine-biosynthetic intermediate 5-aminoimidazole-4-carboxamide riboside 5′-monophosphate (ZMP) and its triphosphorylated form (ZTP). [...]
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2019-07-04
14:20
Embargoed OpenAccess [PUBDB-2019-02643] Journal Article
et al
Computed stereo lensless X-ray imaging
Nature photonics 13(7), 449 - 453 () [10.1038/s41566-019-0419-1]  GO
Recovering the three-dimensional (3D) properties of artificial or biological systems using low X-ray doses is challenging as most techniques are based on computing hundreds of two-dimensional (2D) projections. The requirement for a low X-ray dose also prevents single-shot 3D imaging using ultrafast X-ray sources. [...]
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2019-06-25
09:30
OpenAccess [PUBDB-2019-02574] Journal Article
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Wavefront sensing at X-ray free-electron lasers
Here a direct comparison is made between various X-ray wavefront sensing methods with application to optics alignment and focus characterization at X-ray free-electron lasers (XFELs). Focus optimization at XFEL beamlines presents unique challenges due to high peak powers as well as beam pointing instability, meaning that techniques capable of single-shot measurement and that probe the wavefront at an out-of-focus location are desirable. [...]
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2019-05-15
22:40
[PUBDB-2019-02291] Conference Presentation (After Call)
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Focusing of an Aerosolized Beam of Virus Particles with an Optical Funnel
EOS Optical Technologies: Optofluidics and Manufacturing, Tolerancing, and Testing of Optical Systems, MunichMunich, Germany, 24 Jun 2019 - 27 Jun 20192019-06-242019-06-27
X-ray free-electron lasers have enabled the possibility of “single particle imaging”, in which the morphology of aerosolized particles may be uncovered through lensless diffractive imaging using intense femtosecond x-ray pulses that “freeze” atomic motion. Diffraction patterns are produced from a stream of particles such as atmospheric aerosol particulates or viruses that are intercepted by x-ray pulses focused to a sub-micrometer spot. [...]
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