NDLI: The phasel-contrast CT imaging and X-ray fluorescence analysis of Zusanli acupuncture point (ST 36) based on synchrotron radiation

Content Provider	IEEE Xplore Digital Library
Author	Chenglin, Liu Xiaohua, Wang Hua, Xu Dongming, Zhang Xingyi, Zhang
Copyright Year	2015
Description	Author affiliation: Research Center of Synchrotron Radiation, Fudan University, Shanghai 200433, China (Dongming, Zhang; Xingyi, Zhang) \|\| School of Physics and Electronics, Yancheng Teachers University, Yancheng 224051, China (Chenglin, Liu; Xiaohua, Wang; Hua, Xu)
Abstract	In this paper, the micro-structure of Zusanli acupuncture point was studied using synchrotron radiation-based phase contrast CT imaging (PCI-CT) method and X-ray fluorescence (XRF) analysis method. The micro-structures of the point were displayed through the topography and trace elements distributions. In this experiment, there are good results for PCI-CT method based on synchrotron radiation; the special resolution reached the dimension of micrometer. Compared to the images of the PCI-CT, which were taken at acupuncture points and non-acupuncture point areas, we find the micro vessels gather in the acupuncture points. In addition, the structures of acupuncture points are different from the surrounding tissues through XRF mapping method. The acupuncture points' structure is different from that of the non-acupuncture points. In the acupuncture point area there is some micro-vascular aggregation, which reveals the differences of the acupoints and non-acupoints. The content of trace elements at the acupuncture points are more than those in the surrounding tissues, which can be inferred that there were the accumulation of trace elements at the acupuncture points' area. The XRF mapping shows that the distributions of Ca, Fe, Cu and Zn elements were similar to their morphology. These differences demonstrate the existence of the acupuncture points. We hope that these results can provide a new basis for our scientific understanding of acupuncture points.
Starting Page	240
Ending Page	244
File Size	532605
Page Count	5
File Format	PDF
e-ISBN	9781509000227
DOI	10.1109/BMEI.2015.7401508
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-10-14
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	topography Fluorescence Blood vessels phase contrast CT imaging X-ray imaging Zusanli acupoint micro-structure XRF mapping trace elements Computed tomography synchrotron radiation Synchrotron radiation Biomedical imaging
Content Type	Text
Resource Type	Article

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