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Applications of X-ray Phase Contrast Imaging

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Optics and Lasers".

Deadline for manuscript submissions: closed (31 March 2022) | Viewed by 2984

Special Issue Editor


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Guest Editor
1. Inserm UA7 Strobe, French Institute of Health and Medical Research, 75654 Paris, France
2. Department of Synchrotron Radiation and Medical Research, Universite Grenoble Alpes, 38400 Saint Martin d'Heres, France
Interests: X-ray phase contrast imaging; computed tomography, osteo-articular imaging; virtual histology; image segmentation

Special Issue Information

Dear Colleagues,

X-ray Phase Contrast Imaging appeared few decades ago as an alternative to standard absorption-based Imaging. With X-rays, the refractive index of materials can be a thousand times greater than its counterpart absorption factor for light elements. This translates into a much greater contrast for soft tissues with X-ray imaging methods based on the sensing of the phase. This property becomes highly interesting when one wants to image with high-resolution biological tissue or light material that are generally admitted to be transparent to X-rays. With the emergence of partially coherent X-ray sources twenty years ago, expectations regarding PCI turned into a reality with the development at synchrotrons of several advanced PCI methods, some of them even later being adapted to laboratory sources.

In this Special Issue, we invite submissions exploring cutting-edge research and recent advances in the fields of X-ray Phase Contrast Imaging. Both theoretical and experimental studies are welcome, as well as comprehensive review and survey papers.

Dr. Emmanuel Brun
Guest Editor

Manuscript Submission Information

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Keywords

  • X-ray phase contrast imaging
  • micro and nanocomputed tomography
  • virtual histology
  • radiation dose reduction
  • grating interferometry
  • analyzer-based imaging
  • edge illumination
  • speckle-based imaging

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Published Papers (1 paper)

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Research

14 pages, 3740 KiB  
Article
Synchrotron Based X-ray Microtomography Reveals Cellular Morphological Features of Developing Wheat Grain
by David Legland, Camille Alvarado, Eric Badel, Fabienne Guillon, Andrew King, Thang Duong Quoc Le, Camille Rivard, Louis Paré, Anne-Laure Chateigner-Boutin and Christine Girousse
Appl. Sci. 2022, 12(7), 3454; https://doi.org/10.3390/app12073454 - 29 Mar 2022
Cited by 7 | Viewed by 2225
Abstract
Wheat is one of the most important crops in the world, mainly used for human consumption and animal feed. To overcome the increasing demand in wheat production, it is necessary to better understand the mechanisms involved in the growth of the wheat grain. [...] Read more.
Wheat is one of the most important crops in the world, mainly used for human consumption and animal feed. To overcome the increasing demand in wheat production, it is necessary to better understand the mechanisms involved in the growth of the wheat grain. X-ray computed tomography is an efficient method for the non-destructive investigation of the 3D architecture of biological specimens, which does not require staining, sectioning, or inclusion. In particular, phase-contrast tomography results in images with better contrast and an increased resolution compared to that obtained with laboratory tomography devices. The aim of this study was to investigate the potential of phase-contrast tomography for the study of the anatomy of the wheat grain at early stages of development. We provided 3D images of entire grains at various development stages. The image analysis allowed identifying a large number of tissues, and to visualize individual cells. Using a high-resolution setup, finer details were obtained, making it possible to identify additional tissues. Three-dimensional rendering of the grain also revealed the pattern resulting from the epidermis cells. X-ray phase-contrast tomography appears as a promising imaging method for the study of the 3D anatomy of plant organs and tissues. Full article
(This article belongs to the Special Issue Applications of X-ray Phase Contrast Imaging)
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