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Hani Abutalib,Tomonori Yano,Satoshi Shinozaki,Alan Kawarai Lefor,Hironori Yamamoto 대한소화기내시경학회 2020 Clinical Endoscopy Vol.53 No.4
The small bowel had long been considered a dark unapproachable tunnel until the invention of capsule endoscopy and doubleballoon enteroscopy in the 21st century, which revolutionized the diagnosis and management of small bowel diseases, includingbleeding. Various imaging modalities such as computed tomographic enterography, angiography, capsule endoscopy, and balloonassisted enteroscopy play vital roles in the diagnosis and management of small bowel bleeding. The choice of modality to use andtiming of application differ according to the availability of the modalities, patient’s history, and physician’s experience. Small bowelbleeding is managed using different strategies as exemplified by medical treatment, interventional radiology, endoscopic therapy,or surgical intervention. Balloon-assisted enteroscopy enables endoscopic interventions to control small bowel bleeding, includingelectrocautery, argon plasma coagulation, clip application, and tattooing as a prelude to surgery. In this article, we clarify the recentapproaches to the optimal diagnosis and management of patients with small bowel bleeding.
Fundamental Understanding of Nanoporous Carbons for Energy Application Potentials
Katsumi Kaneko,Miki Arai,Masahiro Yamamoto,Tomonori Ohba,Jun-Ichi Miyamoto,Dong-Young Kim,Yousheng Tao,Cheol-Min Yang,Kouki Urita,Toshihiko Fujimori,Hideki Tanaka,Takahiro Ohkubo,Shigenori Utsumi,Yosh 한국탄소학회 2009 Carbon Letters Vol.10 No.3
The importance of nanopore structures of carbons is shown in terms of interaction potential for various molecules including supercritical gases such as H2 and CH4. The key factors for adsorption of supercritical H2 and CH4 are shown for single wall carbon nanohorn, single wall carbon nanotube, and double wall carbon nanotube. The cluster formation of molecules is a key process for water adsorption on hydrophobic carbon nanopores. The X-ray absorption spectroscopic examination elucidates an explicit dehydration structure of ions confined in carbon nanopores.