Development of particle induced X-ray emission-computed tomography in Takasaki Advanced Radiation Research Institute, Japan Atomic Energy Agency-Reference-Cited by-同舟云学术

Development of particle induced X-ray emission-computed tomography in Takasaki Advanced Radiation Research Institute, Japan Atomic Energy Agency

Published:2015-01 Issue:03n04 Volume:25 Page:147-152
ISSN:0129-0835
Container-title:International Journal of PIXE
language:en
Short-container-title:Int. J. PIXE

Author:

Satoh Takahiro¹

Affiliation:

1. Takasaki Advanced Radiation Research Institute, National Institute for Quantum and Radiological Science and Technology (QST), 1233 Watanuki-machi, Takasaki, Gumma 370-1292, Japan

Abstract

A new micro-particle induced X-ray emission-computed tomography (PIXE-CT) system was developed at Takasaki Ion Accelerators for Advanced Radiation Application in Japan Atomic Energy Agency. In this system, scanning transmission ion microscopy-CT was performed as well as PIXE-CT for three-dimensional (3D) measurement of major elements' distributions, which are required for corrections of X-ray yields due to energy losses of projectiles and absorption of X-rays. Moreover, maximum likelihood expectation maximization algorithm has been introduced to image reconstruction because higher spatial resolution can be obtained even with less X-ray yields. Consequently, 3D distribution of trace elements in a minute biological cell less than 100 μm has been successfully obtained.

Publisher

World Scientific Pub Co Pte Lt

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0129083515500151

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