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Short-Time Preparation of NaOH-Activated Carbon from Sugar Cane Bagasse Using Microwave Plasma Heating

Green and Sustainable Chemistry 2017年第4期7卷 259-269页

作者： Katsuya Konno yusuke oike Yasutaka Ohba Osamu Sasaki Yasuyuki Takiguchi Kaoru Onoe Tatsuaki Yamaguchi Department of Life and Environmental Sciences Faculty of Engineering Chiba Institute of Technology Chiba Japan (Present Address) Hitachi Automotive Systems Ltd. Advanced Development Centre Kawasaki Japan

The microwave induced argon plasma was applied to the preparation of NaOH-activated carbon from sugar cane bagasse. The distinguished feature of the heating technique with this cold plasma is the short operation time. The carbonization and the activation process were finalized in one step within 3 min. The prepared activated carbon with NaOH ratio 3 to bagasse characterized using N2 adsorption of type IV (IUPAC classification) to give specific surface area of 1980 m2/g and mesopore volume of 0.73 ml/g. It also showed a higher specific capacitance of 201 F/g in 1 M H2SO4 solution (with standard three electrodes) than the corresponding one by the conventional heating, previously reported. The other features were the absence of oxygen groups and the presence of carbon centered stable radicals, detected by ESR spectra, on the surface.

关键词： Bagasse Plasma Heating NaOH Activated Carbon EDLC Free Radical

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Protocol for laparoscopic cholecystectomy: Is it rocket science?

引用

World Journal of Gastroenterology 2016年第47期22卷 10287-10303页

作者： Tomohide Hori Fumitaka oike Hiroaki Furuyama Takafumi Machimoto Yoshio Kadokawa Toshiyuki Hata Shigeru Kato Daiki Yasukawa Yuki Aisu Maho Sasaki yusuke Kimura Yuichiro Takamatsu Masato Naito Masaya Nakauchi Takahiro Tanaka Daigo Gunji Kiyokuni Nakamura Kiyoko Sato Masahiro Mizuno Taku Iida Shintaro Yagi Shinji Uemoto Tsunehiro Yoshimura Department of Gastrointestinal and General Surgery Tenriyorodusoudanjyo Hospital Department of Gastrointestinal Surgery Mitsubishi Kyoto Hospital Department of Anesthesiology Mitsubishi Kyoto Hospital Department of Gastroenterology and Hepatology Mitsubishi Kyoto Hospital Department of Hepatobiliary Pancreatic Surgery Kyoto University Hospital

Laparoscopic cholecystectomy(LC) does not require advanced techniques, and its performance has therefore rapidly spread worldwide. However, the rate of biliary injuries has not decreased. The concept of the critical view of safety(CVS) was first documented two decades ago. Unexpected injuries are principally due to misidentification of human factors. The surgeon's assumption is a major cause of misidentification, and a high level of experience alone is not sufficient for successful LC. We herein describe tips and pitfalls of LC in detail and discuss various technical considerations.Finally, based on a review of important papers and our own experience, we summarize the following mandatory protocol for safe LC:(1) consideration that a high level of experience alone is not enough;(2) recognition of the plateau involving the common hepatic duct and hepatic hilum;(3) blunt dissection until CVS exposure;(4) Calot's triangle clearance in the overhead view;(5) Calot's triangle clearance in the view from underneath;(6) dissection of the posterior right side of Calot's triangle;(7) removal of the gallbladder body; and(8) positive CVS exposure. We believe that adherence to this protocol will ensure successful and beneficial LC worldwide, even in patients with inflammatory changes and rare anatomies.

关键词： Laparoscopic 胆囊炎胆囊安全的批评看法胆汁的损害协议

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