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On Univalence of the Power Deformation z（f（z）/z）c

Chinese Annals of Mathematics,Series B 2012年第6期33卷 823-830页

作者： Yong Chan KIM toshiyuki sugawa Department of Mathematics Education Yeungnam University Graduate School of Information Sciences Tohoku University

The authors mainly concern the set Uf of c E C such that the power deformation z（f-（z）/z）c is univalent in the unit disk ｜z｜〈 1 for a given analytic univalent function f（z） = z ＋ a2z2 ＋ ... in the unit disk. It is shown that Uf is a compact, polynomially convex subset of the complex plane C unless f is the identity function. In particular, the interior of Uf is simply connected. This fact enables us to apply various versions of the X-lemma for the holomorphic family z（f（z）/z）c of injections parametrized over the interior of Uf. The necessary or sufficient conditions for Uf to contain 0 or 1 as an interior point are also given.

关键词： Univalent function Holomorphic motion Quasiconformal extension Grunsky inequality Univalence criterion

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Hydrogen peroxide ingestion with injury to upper gastrointestinal tract

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World Journal of Clinical Cases 2017年第10期5卷 378-380页

作者： Jonathan V Martin Choichi sugawa Michael and Marian Ilitch Department of Surgery 6-C University Health Center

Hydrogen peroxide is a common over-the-counter solution that has developed a growing body of literature regarding toxic ingestion. Intentional ingestion of high concentration hydrogen peroxide for health purposes has gained popularity in certain patient populations; purported benefits are due to the increased oxygen released into the blood stream. We present for evaluation one such case with associated imaging that presented to our urban medical center. A brief review of the literature was also performed noting current recommendations regarding both outcomes and indications for endoscopy as well as hyperbaric oxygen therapy following ingestion of hydrogen peroxide. Our patient was a 51-year-old white female who presented with foamy hematemesis after ingesting 10 drops of 35% hydrogen peroxide as part of a home remedy to cleanse her colon and improve blood oxygenation. In addition to hematemesis,she also reported diffuse abdominal pain with sore throat and hoarse voice. Her imaging demonstrated portal venous gas and gastric edema. She was admitted for hyperbaric oxygen therapy and underwent upper endoscopy demonstrating diffuse esophagitis and gastritis with white exudate and multiple petechiae. She was later discharged home in stable condition and was lost to follow-up.

关键词： Hydrogen peroxide Caustic injury Hyperbaric oxygen therapy Ingestion of hydrogen peroxide Arterial gas emboli

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Anthradithiophene based hole-transport material for efficient and stable perovskite solar cells

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Journal of Energy Chemistry 2020年第9期29卷 293-298,I0009页

作者： Guohua Wu Yaohong Zhang Ryuji Kaneko Yoshiyuki Kojima Ashraful Islam Kosuke sugawa Joe Otsuki Shengzhong Liu Key Laboratory of Applied Surface and Colloid Chemistry National Ministry of EducationShaanxi Key Laboratory for Advanced Energy DevicesShaanxi Engineering Laboratory for Advanced Energy TechnologySchool of Materials Science and EngineeringShaanxi Normal UniversityXi'an 710119China College of Science and Technology Nihon UniversityChiyoda-ku101-8308 TokyoJapan Department of Engineering Science Faculty of Informatics and EngineeringThe University of Electro-CommunicationsChofu182-8585 TokyoJapan Photovoltaic Materials Group National Institute for Materials Science(NIMS)Tsukuba 305-0047Japan

A novel hole-transport material(HTM)based on an anthradithiophene central bridge named BTPA-7 is *** comparison to spiro-OMeTAD(2,2’,7,7’-tetrakis-(N,N-di-p-methoxyphenylamine)-9,9’-spirobifluorene),the synthetic steps of BTPA-7 are greatly reduced from 6 to 3 and the synthetic cost of BTPA-7 is nearly a half that of ***,BTPA-7 exhibits a relatively lower conductivity but higher hole mobility and higher glass transition temperature(Tg)than *** with the photovolatic performance for spiro-OMeTAD,FA0.85MA0.15PbI3 and MAPbI3 PSC devices based on BTPA-7 exhibit slightly lower PCEs with the values of 17.58%(18.88%for spiro-OMeTAD)and 11.90%(13.25%for spiro-OMeTAD),***,a dramatically higher JSC of PSC based on BTPA-7is achieved,which arises from the higher hole mobility of *** addition,the relatively hydrophobic character of BTPA-7 eventually enhances the PSC device *** cost,higher hole mobility,higher Tg,satisfactory photovoltaic performance,and superior device stability of BTPA-7 can be utilized as a substitute for spiro-OMeTAD in PSCs.

关键词： Anthradithiophene Hole-transport material Stability Synthetic cost

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Effect of Water Depth on Seasonal Variation in the Chemical Composition of Akamoku, Sargassum horneri (Turner) C. Agardh

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Natural Resources 2016年第4期7卷 147-156页

作者： Kaori Murakami Yoko Yamaguchi Yohko sugawa-Katayama Masayuki Katayama Department of Food Sciences and Biotechnology Faculty of Life Sciences Hiroshima Institute of Technology Hiroshima Japan Department of Environmental Science Faculty of International College of Arts and Sciences Fukuoka Women’s University Fukuoka Japan Department of Health and Nutrition Osaka Aoyama University Osaka Japan

The brown alga, Akamoku, also known as Sargassum horneri, was harvested at depths of 1 - 2 and 5 m in the oceanic areas of the Chikuzen Sea off the coast of Fukuoka, Japan, and its chemical composition (moisture, protein, lipid, ash, carbohydrate and total dietary fiber content) was investigated. The aim of this study was to elucidate the relationship between the chemical components and the growth of S. horneri as recyclable resource for a sustainable future. S. horneri at an ocean depth of 5 m grew rapidly. The biomass was abundant from January until April. After maturation and gamete release at the middle of April, plant senescence began occurring, and only short plants remained at the sea bottom. On the other hand, S. horneri at an ocean depth of 1 - 2 m grew slowly and could be harvested until early June. The protein, lipid and total dietary fiber content of S. horneri at an ocean depth of 5 m showed apparent gender-based differences.

关键词： Seaweed Chemical Composition Total Dietary Fiber Seasonal Variation Sargassum horneri

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Endoscopic management of foreign bodies in the upper gastrointestinal tract:A review

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World Journal of Gastrointestinal Endoscopy 2014年第10期6卷 475-481页

作者： Choichi sugawa Hiromi Ono Mona Taleb Charles E Lucas The Michael and Marian Ilitch Department of Surgery Wayne State University Detroit MI 48201 United States Department of Internal Medicine Seiwa Memorial Hospital Sapporo 063-0811Japan

Foreign body ingestion is a common condition, es-pecially among children who represent 80% of these emergencies. The most frequently ingested foreign bodies in children are coins, toys, magnets and batter-ies. Most foreign body ingestions in adults occur while eating, leading to either bone or meat bolus impaction. Flexible endoscopy is the therapeutic method of choice for relieving food impaction and removing true foreign bodies with a success rate of over 95% and with mini-mal complications. This review describes a comprehen-sive approach towards patients presenting with foreign body ingestion. Recommendations are based on a review of the literature and extensive personal experi-ence.

关键词： Foreign body Endoscopic management Esophageal stricture Food bolus impaction True foreign body

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