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Advanced x-ray imaging and computed tomography

Advanced x-ray imaging and computed tomography
先进的 X 射线成像和计算机断层扫描
批准号：
8746579
负责人：
HAN WEN
金额：
$113.72万
依托单位：
NATIONAL HEART, LUNG, AND BLOOD INSTITUTE
依托单位国家：
美国
项目类别：
财政年份：
--
资助国家：
美国
项目状态：
未结题
起止时间：
至
来源：
https://reporter.nih.gov/project-details/8746579
关键词：
ArteriesCollimatorDevelopmentDoseGoalsImageLaboratoriesMagnetic Resonance ImagingMicroscopicMolecularPathologyRadiationResolutionSourceStructureSystemTechniquesTechnologyX-Ray Computed Tomographybasebioimagingclinical applicationheart functioninterestpre-clinicalwater diffusion

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中文摘要
翻译
今年，在这个项目下，我们开发了一种新型的x射线成像系统，能够以亚纳米辐射的分辨率检测x射线的折射弯曲。它是基于我们最近开发的纳米x射线光栅。这种成像仪有可能看到传统x光机无法看到的透明结构。在过去，这种灵敏度是用非常窄带宽的特殊x射线源实现的。新系统消除了对x射线束带宽和准直的限制，将概念推向了台式临床前应用的紧凑型系统。
英文摘要
This year, under this project we developed a new form of x-ray imaging system capable of detecting the refractive bending of x-rays at sub-nanoradian resolution. It is based on the nanometric x-ray gratings we have developed in the recent past. This type of imager can potentially see structures that are transparent to conventional x-ray machines. In the past such sensitivity has been achieved with special x-ray sources of very narrow bandwidths. With the new system the restrictions on the bandwidth and collimation of the x-ray beam are removed, which advances the concept towards compact systems for benchtop pre-clinical applications.
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会议论文
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Advanced x-ray imaging and computed tomography
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