# CFEL-I

 2018-02-0216:01 [PUBDB-2018-01024] Journal Article et al Femtosecond X-ray diffraction from an aerosolized beam of protein nanocrystals Journal of applied crystallography 51(1), 133 - 139 (2018) [10.1107/S1600576717018131]   High-resolution Bragg diffraction from aerosolized single granulovirus nano-crystals using an X-ray free-electron laser is demonstrated. The outerdimensions of the in-vacuum aerosol injector components are identical toconventional liquid-microjet nozzles used in serial diffraction experiments,which allows the injector to be utilized with standard mountings. [...] OpenAccess: PDF PDF (PDFA); 2018-01-1114:38 [PUBDB-2018-00518] Journal Article et al Corrigendum: Double-flow focused liquid injector for efficient serial femtosecond crystallography Scientific reports 7, 46846 (2017) [10.1038/srep46846]   Serial femtosecond crystallography requires reliable and efficient delivery of fresh crystals across the beam of an X-ray free-electron laser over the course of an experiment. We introduce a double-flow focusing nozzle to meet this challenge, with significantly reduced sample consumption, while improving jet stability over previous generations of nozzles. [...] OpenAccess: PDF PDF (PDFA); 2018-01-1110:51 [PUBDB-2018-00440] Journal Article et al MHz frame rate hard X-ray phase-contrast imaging using synchrotron radiation Optics express 25(12), 13857 (2017) [10.1364/OE.25.013857]   Third generation synchrotron light sources offer high photon flux, partial spatial coherence, and ~10$^{−10}$ s pulse widths. These enable hard X-ray phase-contrast imaging (XPCI) with single-bunch temporal resolutions [...] OpenAccess: PDF PDF (PDFA); 2018-01-1110:49 [PUBDB-2018-00439] Journal Article et al Controlling Protein Orientation in Vacuum Using Electric Fields The journal of physical chemistry letters 8(18), 4540 - 4544 (2017) [10.1021/acs.jpclett.7b02005]   Single-particle imaging using X-ray free-electron lasers is an emerging technique that could provide high-resolution structures of macromolecules in the gas phase. One of the largest difficulties in realizing this goal is the unknown orientation of the individual sample molecules at the time of exposure. [...] Published on 2017-09-01. Available in OpenAccess from 2018-09-01.: PDF PDF (PDFA); Restricted: PDF PDF (PDFA); 2018-01-1017:50 [PUBDB-2018-00385] Journal Article Chandrasekaran, A. R. DNA-based construction at the nanoscale: emerging trends and applications Nanotechnology 29(6), 062001 (2018) [10.1088/1361-6528/aaa120]   The field of structural DNA nanotechnology has evolved remarkably—from the creation of artificial immobile junctions to the recent DNA–protein hybrid nanoscale shapes—in a span of about 35 years. It is now possible to create complex DNA-based nanoscale shapes and large hierarchical assemblies with greater stability and predictability, thanks to the development of computational tools and advances in experimental techniques. [...] Published on 2018-01-10. Available in OpenAccess from 2019-01-10.: PDF PDF (PDFA); Restricted: PDF; 2018-01-1014:41 [PUBDB-2018-00376] Journal Article et al Fabrication of diamond diffraction gratings for experiments with intense hard x-rays Microelectronic engineering 176, 75 - 78 (2017) [10.1016/j.mee.2017.02.002]   The demands on optical components to tolerate high radiation dose and manipulate hard x-ray beams that can fit the experiment requirements, are constantly increasing due to the advancements in the available x-ray sources. Here we have successfully fabricated the transmission type gratings using diamond, with structure sizes ranging from few tens of nanometres up to micrometres, and aspect ratio of up to 20. [...] Fulltext: PDF PDF (PDFA); Restricted: PDF PDF (PDFA); 2018-01-0208:52 [PUBDB-2018-00001] Journal Article et al Thermal x-ray diffraction and near-field phase contrast imaging epl 120(1), 16003 (2017) [10.1209/0295-5075/120/16003]   Using higher-order coherence of thermal light sources, the resolution power of standard x-ray imaging techniques can be enhanced. In this work, we applied the higher-order measurement to far-field x-ray diffraction and near-field phase contrast imaging (PCI), in order to achieve superresolution in x-ray diffraction and obtain enhanced intensity contrast in PCI. [...] Published on 2017-12-27. Available in OpenAccess from 2018-12-27.: PDF PDF (PDFA); Restricted: PDF PDF (PDFA); 2017-12-2222:02 [PUBDB-2017-14115] Journal Article et al Resolution extension by image summing in serial femtosecond crystallography of two-dimensional membrane-protein crystals IUCrJ 5(1), 103 - 117 (2018) [10.1107/S2052252517017043]   Previous proof-of-concept measurements on single-layer two-dimensional membrane-protein crystals performed at X-ray free-electron lasers (FELs) have demonstrated that the collection of meaningful diffraction patterns, which is not possible at synchrotrons because of radiation-damage issues, is feasible. Here, the results obtained from the analysis of a thousand single-shot, room-temperature X-ray FEL diffraction images from two-dimensional crystals of a bacteriorhodopsin mutant are reported in detail [...] OpenAccess: PDF PDF (PDFA); 2017-12-2210:33 [PUBDB-2017-14028] Journal Article et al Radiation damage free ghost diffraction with atomic resolution Journal of physics / B 51(2), 025503 - (2018) [10.1088/1361-6455/aa9737]   The x-ray free electron lasers can enable diffractive structural determination of protein nanocrystals and single molecules that are too small and radiation-sensitive for conventional x-ray diffraction. However the electronic form factor may be modified during the ultrashort x-ray pulse due to photoionization and electron cascade caused by the intense x-ray pulse. [...] OpenAccess: PDF PDF (PDFA); 2017-11-2612:49 [PUBDB-2017-12328] Journal Article et al Correlations in Scattered X-Ray Laser Pulses Reveal Nanoscale Structural Features of Viruses Physical review letters 119(15), 158102 (2017) [10.1103/PhysRevLett.119.158102]   We use extremely bright and ultrashort pulses from an x-ray free-electron laser (XFEL) to measure correlations in x rays scattered from individual bioparticles. This allows us to go beyond the traditional crystallography and single-particle imaging approaches for structure investigations [...] OpenAccess: PDF PDF (PDFA);