forthcoming articles

The following articles are a selection of those recently accepted for publication in Journal of Synchrotron Radiation.

See also Forthcoming articles in all IUCr journals.

Accepted 17 June 2021

Development and application of tender X-ray ptychographic coherent diffraction imaging system at BL27SU of SPring-8

Accepted 9 June 2021

Performance and characterization of the FinEstBeAMS beamline at the MAX IV Laboratory

Performance of the new Finnish–Estonian Beamline for Atmospheric and Materials Sciences is characterized and discussed.

Accepted 9 June 2021

Toward High Spatial Resolution Tissue-Equivalent Dosimetry for Microbeam Radiation Therapy Using Organic Semiconductors

This work presents the first characterization of a thin organic semiconductor photodiode for dosimetry in Microbeam Radiation Therapy carried out at the Australian Synchrotron Imaging and Medical Beamline.

Accepted 8 June 2021

Direct cross-sectional imaging using X-ray Compton scattering: application to commercial batteries

Compton scattering imaging has been applied to coin batteries to obtain their cross-sectional images directly.

Accepted 8 June 2021

High accuracy mass attenuation coefficients and X-ray absorption spectroscopy of zinc - the first X-ray Extended Range Technique-like experiment in Australia

Accepted 8 June 2021

High accuracy measurement of mass attenuation coefficients and the imaginary component of the atomic form factor of zinc from 8.51 keV to 11.59 keV, and X-ray absorption fine structure with investigation of zinc theory and nanostructure

Accepted 7 June 2021

Transverse bunch-by-bunch feedback system for time-resolved experiments at PLS-II

A description of the upgraded bunch-by-bunch feedback system for time-resolved experiments at Pohang Light Source II (PLS-II) is provided. The project is part of the SPring-8 and PLS-II collaboration.

Accepted 7 June 2021

A new imaging technology based on Compton X-ray scattering

A feasible implementation of a novel X-ray detector for highly energetic X-ray photons with a large solid angle coverage, optimal for the detection of Compton X-ray scattered photons, is described. The device, consisting of a 20 cm-thick sensitive volume filled with xenon at atmospheric pressure, forms photoelectron images by resorting to the electroluminescence produced in a custom-made multi-hole acrylic structure. Photon-by-photon counting can be achieved by processing the resulting images, taken in a continuous readout mode. Based on Geant4 simulations, by considering a realistic detector design and response, it is shown that photon rates up to at least 1011 ph/s on-sample (5 µm water-equivalent cell) can be processed, limited by the spatial diffusion of the photoelectrons in the gas. Illustratively, if making use of the Rose criterion and assuming the dose partitioning theorem, such a detector would allow obtaining 3 d images of 5 µm unstained cells in their native environment in about 24 h, with a resolution of 36 nm.

Accepted 6 June 2021

Helicity-dependent resonant X-ray scattering in CuB2O4

Exploitation of X-ray circular polarized beams to study forbidden Bragg reflections and new information that could be obtained in these experiments are discussed in the paper.

Accepted 15 May 2021

Tools for supporting solution scattering during the COVID-19 pandemic

The development of instrumentation and software to support mail-in solution scattering is presented.

Accepted 11 May 2021

New high-throughput endstation to accelerate the experimental optimization pipeline for synchrotron X-ray footprinting

The design of a new high-throughput X-ray footprinting endstation and its application to footprinting experimental optimization is described.

Accepted 11 May 2021

PyPhase – a Python package for X-ray phase imaging

PyPhase is a free and open-source Python package for propagation-based near-field phase reconstructions, which implements some of the most popular phase-retrieval algorithms in a highly modular framework supporting the deployment on large-scale computing facilities. This makes integration, development of new phase-retrieval algorithms, and the deployment on different computing infrastructures straightforward.

Accepted 4 May 2021

Hydroxyl radical mediated damage of proteins in low oxygen solution investigated using X-ray footprinting mass spectrometry

The method of X-ray footprinting mass spectrometry was used to investigate the effect of X-ray irradiation on various proteins in solution under both fully aerated and low dissolved oxygen conditions, and as a function of protein concentration.

Accepted 29 April 2021

Qu­antitative phase measurements of human cell nuclei using X-ray ptychography

X-ray ptychography was applied to assess the masses of human cell nuclei using phase shift information. A modified ptychography algorithm that improves the quality of the reconstruction for weak scattering samples was applied to calculate the mass of several human nuclei.

Accepted 15 April 2021

A SAXS-based approach to rationally evaluate radical scavengers – toward eliminating radiation damage in solution and crystallographic studies

A system engineered to produce a large-scale structural change from X-ray-induced di­sulfide bond cleavage allows residue-specific changes to be interpreted with SAXS. This system is used to investigate how radical scavengers reduce bond breakage during data collection at 10°C with the results providing insight into mitigation strategies for crystallographic and solution experiments.

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