Carbon nanotube based X-ray sources: Applications in pre-clinical and medical imaging

被引：18
|
作者：
Lee, Yueh Z. [1 ,2 ]
Burk, Laurel [2 ]
Wang, Ko-han [1 ]
Cao, Guohua [2 ]
Lu, Jianping [3 ]
Zhou, Otto [2 ]
机构：
[1] Univ N Carolina, Dept Radiol, Chapel Hill, NC 27599 USA
[2] Univ N Carolina, Dept Phys & Astron, Chapel Hill, NC 27599 USA
[3] Univ N Carolina, Curriculum Appl Sci & Engn, Chapel Hill, NC 27599 USA
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2011年 / 648卷
关键词：
Micro-computed tomography; Pre-clinical imaging; Tomosynthesis; TOMOSYNTHESIS;
D O I：
10.1016/j.nima.2010.11.053
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Field emission offers an alternate method of electron production for Bremsstrahlung based X-ray tubes. Carbon nanotubes (CNTs) serve as very effective field emitters, allowing them to serve as electron sources for X-ray sources, with specific advantages over traditional thermionic tubes. CNT derived X-ray sources can create X-ray pulses of any duration and frequency, gate the X-ray pulse to any source and allow the placement of many sources in close proximity. We have constructed a number of micro-CT systems based on CNT X-ray sources for applications in small animal imaging, specifically focused on the imaging of the heart and lungs. This paper offers a review of the pre-clinical applications of the CNT based micro-CT that we have developed. We also discuss some of the current and potential clinical applications of the CNT X-ray sources. (c) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：S281 / S283
页数：3
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