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Terahertz spectroscopic imaging and properties of gastrointestinal tract in a rat model

 Young Bin Ji  ;  Sang-Hoon Kim  ;  Kiyoung Jeong  ;  Yuna Choi  ;  Joo-Hiuk Son  ;  Dong Woo Park  ;  Sam Kyu Noh  ;  Tae-In Jeon  ;  Yong-Min Huh  ;  Seungjoo Haam  ;  Sang Kil Lee  ;  Seung Jae Oh  ;  Jin-Suck Suh 
 BIOMEDICAL OPTICS EXPRESS, Vol.5(12) : 4162-4170, 2014 
Journal Title
Issue Date
(170.3880) Medical and biological imaging ; (170.6510) Spectroscopy, tissue diagnostics ; (170.6795) Terahertz imaging ; (300.6495) Spectroscopy, terahertz
We have investigated basic properties of normal gastrointestinal (GI) tract tissues, including glandular stomach (GS), fore stomach (FS), large intestine (LI), small intestine (SI), and esophagus (ESO), from a rat model using terahertz (THz) reflection imaging and spectroscopy. The THz images collected from stratified squamous epithelia (SSE) of FS and ESO show a lower peak-to-peak value compared to those from columnar epithelia (CE) of GS, LI, or SI because the SSE contains less water than CE. The refractive index and absorption coefficient of FS were less than those of GS or LI, both having values similar to those of water. Additionally, we report internal reflection THz signals from ESO, although we were unable to determine the exact interface for this internal reflection.
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1. College of Medicine (의과대학) > Yonsei Biomedical Research Center (연세의생명연구원) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
5. Research Institutes (연구소) > Institute for Medical Convergence (연의-생공연 메디컬융합연구소) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Sang Hoon(김상훈)
Suh, Jin Suck(서진석) ORCID logo https://orcid.org/0000-0001-9455-9240
Oh, Seung Jae(오승재)
Lee, Sang Kil(이상길) ORCID logo https://orcid.org/0000-0002-0721-0364
Jeong, Ki Young(정기영)
Choi, Yu Na(최유나)
Huh, Yong Min(허용민) ORCID logo https://orcid.org/0000-0002-9831-4475
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