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Frontiers in Energy 2021年第3期15卷 568-576页

作者： Yuichi YAMAGUCHI akihiko kudo Department of Applied Chemistry Faculty of ScienceTokyo University of ScienceTokyo 162-8601Japan

To solve resource,energy,and environmental issues,development of sustainable clean energy system is strongly *** recent years,hydrogen has been paid much attention to as a clean *** hydrogen production by water splitting using a photocatalyst as artificial photosynthesis is a promising method to solve these *** utilization of visible light comprised of solar light is essential for practical *** strategies,i.e.,doping,control of valence band,and formation of solid solution are often utilized as the useful methods to develop visible light responsive *** minireview introduces the recent work on visible-light-driven photocatalysts developed by substitution with metal cations of those strategies.

关键词： visible light responsive photocatalyst water splitting artificial photosynthesis:metal ion substitution

Photocatalysis:from solar light to hydrogen energy

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Frontiers in Energy 2021年第3期15卷 565-567页

作者： Wenfeng SHANGGUAN akihiko kudo Zhi JIANG Yuichi YAMAGUCHI Research Center for Combustion and Environment Technology Shanghai Jiao Tong UniversityShanghai 200240China Department of Applied Chemistry Faculty of ScienceTokyo University of ScienceTokyo 162-8601Japan

The exploitation and utilization of fossil energy has caused serious problems such as environmental pollution and climate *** is imperative to develop renewable and clean energy *** energy is recognized as one of the most superior energy carriers in the world because of its characteristics of high energy density,convenient storage and transportation,and pollution-free energy conversion *** energy sources could be converted to hydrogen energy,of which,solar energy is abundant and ***,nowadays,the efficient conversion of solar energy to hydrogen energy has become one of the hot topics in the renewable energy *** based on the principles of Honda-Fujishima effect provides an opportunity to address the above *** recent years have witnessed the rapid growth of photocatalytic hydrogen production from photocatalysis and photoelectrocatalysis via solar light.

关键词： catalysis pollution convenient

Photocatalytic and photoelectrochemical water splitting using metal oxide and sulfide materials

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Photocatalytic and photoelectrochemical water splitting usin...

Dynamic ultrasonography for optimizing treatment position in superior mesenteric artery syndrome:Two case reports and review of literature

第十三届全国太阳能光化学与光催化学术会议

作者： akihiko kudo Department of Applied Chemistry Tokyo University of Science

＜正＞The importance of hydrogen energy has recently been re-recognized because of the interest in clean *** is mainly produced by steam reforming of hydrocarbons such as methane in *** must be produced from water using a renewable energy source,if one considers the energy and environmental ***,photocatalytic water splitting is still a

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World Journal of Gastroenterology 2024年第5期30卷 499-508页

作者： Nobuaki Hasegawa akihiko Oka Muyiwa Awoniyi Yuri Yoshida Hiroshi Tobita Norihisa Ishimura Shunji Ishihara Department of Internal Medicine II Shimane University Faculty of MedicineIzumo 693-8501ShimaneJapan Department of Gastroenterology Hepatology and NutritionDigestive Disease and Surgery InstituteHepatology SectionCleveland ClinicClevelandOH 44195United States Clinical Laboratory Division Shimane University HospitalIzumo 693-8501ShimaneJapan Division of Hepatology Shimane University HospitalIzumo 693-8501Japan

BACKGROUND Superior mesenteric artery(SMA)syndrome is a rare cause of duodenal obstruction by extrinsic compression between the SMA and the aorta(SMA-Ao).Although the left lateral recumbent position is considered effective in the treatment of SMA syndrome,individual variations in the optimal patient position have been *** this report,we present two elderly cases of SMA syndrome that exhibited rapid recovery due to ultrasonographic dynamic evaluation of the optimal position for each *** SUMMARY Case 1:A 90-year-old man with nausea and *** diagnosis of SMA syndrome by computed tomography(CT),ultrasonography(US)revealed the SMA-Ao distance in the supine position(4 mm),which slightly improved in the lateral position(5.7–7.0 mm)without the passage of duodenal ***,in the sitting position,the SMA-Ao distance was increased to 15 mm accompanied by improved content ***,US indicated enhanced passage upon abdominal massage on the right *** day 2,the patient could eat comfortably with the optimal position and *** 2:An 87-year-old woman with *** the diagnosis of SMA syndrome and aspiration pneumonia by CT,dynamic US confirmed the optimal position(SMA-Ao distance was improved to 7 mm in forward-bent position,whereas it remained at 5 mm in the supine position).By day 7 when her pneumonia recovered,she could eat with the optimal *** The optimal position for SMA syndrome varies among *** US appears to be a valuable tool in improving patient outcomes.

关键词： Superior mesenteric artery syndrome Wilkie’s syndrome Cast syndrome Aorto-mesenteric compass syndrome Ultrasonography Case report

Activation of cerebral Ras-related C3 botulinum toxin substrate(Rac) 1 promotes post-ischemic stroke functional recovery in aged mice

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Neural Regeneration Research 2024年第4期19卷 881-886页

作者： Fan Bu Jia-Wei Min Md Abdur Razzaque Ahmad El Hamamy Anthony Patrizz Li Qi akihiko Urayama Jun Li Department of Neurology University of Texas Health Science Center Department of Neurology&Psychology The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine

Brain functional impairment after stroke is common;however,the molecular mechanisms of post-stroke recovery remain *** is well-recognized that age is the most important independent predictor of poor outcomes after stroke as older patients show poorer functional outcomes following *** evidence suggests that axonal regeneration and angiogenesis,the major forms of brain plasticity responsible for post-stroke recovery,diminished with advanced *** studies suggest that Ras-related C3 botulinum toxin substrate(Rac)1 enhances stroke recovery as activation of Rac1 improved behavior recovery in a young mice stroke ***,we investigated the role of Rac1 signaling in long-term functional recovery and brain plasticity in an aged(male,18 to 22 months old C57BL/6J)brain after ischemic *** found that as mice aged,Rac1 expression declined in the *** overexpression of Rac1,using lentivirus encoding Rac1 injected day 1 after ischemic stroke,promoted cognitive(assessed using novel object recognition test)and sensorimotor(assessed using adhesive removal tests)recovery on days 14–*** was accompanied by the increase of neurite and proliferative endothelial cells in the periinfarct zone assessed by *** a reverse approach,pharmacological inhibition of Rac1 by intraperitoneal injection of Rac1 inhibitor NSC23766 for 14 successive days after ischemic stroke worsened the outcome with the reduction of neurite and proliferative endothelial ***,Rac1 inhibition reduced the activation of p21-activated kinase 1,the protein level of brain-derived neurotrophic factor,and increased the protein level of glial fibrillary acidic protein in the ischemic brain on day 28 after *** work provided insight into the mechanisms behind the diminished plasticity after cerebral ischemia in aged brains and identified Rac1 as a potential therapeutic target for improving functional recovery in the older adults after stroke.

关键词： aging angiogenesis brain-derived neurotrophic factor(BDNF) cerebral ischemia cognitive recovery neurite Pak1 Rac1 sensorimotor recovery

BiVO_4-MCM-41复合催化剂的制备及其对亚甲基蓝降解的光催化活性

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催化学报 2008年第7期29卷 624-628页

作者：张妍于建强工藤昭彦赵修松青岛大学化学化工与环境学院山东青岛266071 东京理科大学理学部应用化学系

将单斜白钨矿结构的BiVO4固载于中孔MCM-41分子筛上,制备了BiVO4-MCM-41复合催化剂,并对催化剂进行了表征,考察了催化剂在光催化亚甲基蓝降解反应中的催化活性.结果表明,BiVO4首先在MCM-41分子筛上形成锆石结构或四面体白钨矿结构的结晶... 详细信息

将单斜白钨矿结构的BiVO4固载于中孔MCM-41分子筛上,制备了BiVO4-MCM-41复合催化剂,并对催化剂进行了表征,考察了催化剂在光催化亚甲基蓝降解反应中的催化活性.结果表明,BiVO4首先在MCM-41分子筛上形成锆石结构或四面体白钨矿结构的结晶,通过水热处理之后转变为单斜结构的结晶.BiVO4-MCM-41催化剂不仅保持了BiVO4较高的光催化活性,而且提高了对亚甲基蓝的吸附性能,从而提高了对亚甲基蓝降解反应的光催化活性.

关键词：钒酸铋 MCM-41分子筛复合催化剂光催化亚甲基蓝降解

BiVO4纳米颗粒的合成、表征及光催化性能研究

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BiVO4纳米颗粒的合成、表征及光催化性能研究

Cellulosomal hemicellulases:Indispensable players for ensuring effective lignocellulose bioconversion

第十一届全国青年催化学术会议

作者：于建强张妍 akihiko kudo 赵修松青岛大学化学化工与环境学院青岛大学化学化工与环境学院东京理科大学理学部应用化学科青岛大学化学化工与环境学院青岛大学多功能材料研究所

＜正＞单斜白钨矿（monoclinic scheelite）结构的BiVO4是典型的可见光响应的光催化材料,在可见光（≥420nm）的照射下,BiVO4能以很高的活性从稀AgNO3水溶液中释放出O2。自从其可见光光催化性能被发现以来,BiVO4的研究备受关注[1]。

关键词： BiVO4 纳米颗粒光催化 O2生成有机物降解

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Green Carbon 2024年第1期2卷 57-69页

作者： Min Xiao Ya-Jun Liu Edward A.Bayer akihiko Kosugi Qiu Cui Yingang Feng CAS Key Laboratory of Biofuels Qingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao 266101China Shandong Provincial Key Laboratory of Synthetic Biology Qingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao 266101China Shandong Engineering Laboratory of Single Cell Oil Qingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao 266101China Shandong Energy Institute Qingdao 266101China Qingdao New Energy Shandong Laboratory Qingdao 266101China University of Chinese Academy of Sciences Beijing 100049China Department of Biomolecular Sciences The Weizmann Institute of ScienceRehovot 7610001Israel Department of Life Sciences and the National Institute for Biotechnology in the Negev Ben-Gurion University of the NegevBeer-Sheva 8499000Israel Biological Resources and Post-harvest Division Japan International Research Center for Agricultural Sciences(JIRCAS)1-1 OhwashiTsukubaIbaraki 305-8686Japan

The bioconversion of lignocellulose has attracted global attention,due to the significant potential of agricultural and forestry wastes as renewable zero-carbon resources and the urgent need for substituting fossil *** cellulosome system is a multi-enzyme complex produced by anaerobic bacteria,which comprises cellulases,hemicellulases,and associated enzymatic and non-enzymatic components that promote biomass *** enhance their efficiency in degrading recalcitrant lignocellulosic matrices,cellulosomes have been employed to construct biocatalysts for lignocellulose bioconversion,such as consolidated bioprocessing and consolidated ***,the second most abundant polysaccharides in plant cell walls,hold valuable application potential but can also induce inhibitory effects on cellulose hydrolysis,thus highlighting the indispensable roles of hemicellulases within the cellulosome *** review evaluated current research on cellulosomal hemicellulases,comparing their types,abundance,and regulation,primarily focusing on eight known cellulosome-producing species of different *** also reviewed their growth conditions,their hemicellulose-degrading capabilities,and the inhibitory effects of hemicellulose on cellulosome-based lignocellulose ***,we proposed strategies for targeted enhancement of hemicellulase in cellulosomes to improve lignocellulose bioconversion in future studies.

关键词： Cellulosome Lignocellulose Hemicellulase Saccharification Biocatalyst

Current perspectives of viral

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World Journal of Gastroenterology 2024年第18期30卷 2402-2417页

作者： Daisuke Usuda Yuki Kaneoka Rikuo Ono Masashi Kato Yuto Sugawara Runa Shimizu Tomotari Inami Eri Nakajima Shiho Tsuge Riki Sakurai Kenji Kawai Shun Matsubara Risa Tanaka Makoto Suzuki Shintaro Shimozawa Yuta Hotchi Ippei Osugi Risa Katou Sakurako Ito Kentaro Mishima akihiko Kondo Keiko Mizuno Hiroki Takami Takayuki Komatsu Tomohisa Nomura Manabu Sugita Department of Emergency and Critical Care Medicine Juntendo University Nerima HospitalNerima 177-8521TokyoJapan Department of Sports Medicine Faculty of MedicineJuntendo UniversityBunkyo 113-8421TokyoJapan

Viral hepatitis represents a major danger to public health,and is a globally leading cause of *** five liver-specific viruses:Hepatitis A virus,hepatitis B virus,hepatitis C virus,hepatitis D virus,and hepatitis E virus,each have their own unique epidemiology,structural biology,transmission,endemic patterns,risk of liver complications,and response to antiviral *** remain few options for treatment,in spite of the increasing prevalence of viral-hepatitiscaused liver ***,chronic viral hepatitis is a leading worldwide cause of both liver-related morbidity and mortality,even though effective treatments are available that could reduce or prevent most patients’*** 2016,the World Health Organization released its plan to eliminate viral hepatitis as a public health threat by the year 2030,along with a discussion of current gaps and prospects for both regional and global eradication of viral ***,treatment is sufficiently able to prevent the disease from reaching advanced ***,future therapies must be extremely safe,and should ideally limit the period of treatment necessary.A better understanding of pathogenesis will prove beneficial in the development of potential treatment strategies targeting infections by viral *** review aims to summarize the current state of knowledge on each type of viral hepatitis,together with major innovations.

关键词： Hepatitis A virus Hepatitis B virus Hepatitis C virus Hepatitis D virus Hepatitis E virus Current perspectives

Effect of mechanical ball milling on the electrical and powder bed properties of gas-atomized Ti-48Al-2Cr-2Nb and elucidation of the smoke mechanism in the powder bed fusion electron b eam melting process

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Journal of Materials Science & Technology 2023年第6期137卷 36-55页

作者： Seungkyun Yim Kenta Aoyagi Keiji Yanagihara Huakang Bian akihiko Chiba Institute for Materials Research Tohoku University2-1-1 KatahiraSendaiMiyagi 980-8577Japan

Smoke is unexpected powder-splashing caused by electrostatic force and is one of the main problems hindering the process stability and applicability of the powder bed fusion electron beam(PBF-EB)*** this study,mechanical stimulation was suggested to suppress smoke of gas-atomized(GA)Ti-48Al-2Cr-2Nb powder using Al_(2)O_(3) and WC ball *** deformation mechanism of the GA powder depending on the ball milling media was discussed based on the developed particle morphology distribu-tion map and contact mechanics *** was revealed that the rapid decrement of flowability and packing density after WC ball milling owing to the formation of angular fragments by the brittle *** variation of surface and electrical properties by mechanical stimulation was investigated via XPS,TEM,and Impedance *** electrical resistivity of the ball-milled powders gradually decreased with increasing milling duration,despite the increased oxide film thickness,and the capacitive response disappeared in Al-60 and WC-30 via metal-insulator *** could be due to the accumulation of strain and defects on the oxide film via mechanical *** smoke mechanism of ball-milled powders was discussed based on the percolation *** the smoke experiment,smoke was more suppressed for WC-10 and WC-20 than that for Al-40 and Al-50,respectively,despite the longer charge dissipation *** could be due to the high probability of contact with conductive *** the Al-60 and WC-30 powders,smoke was further restricted by the formation of a percolation cluster with metal-like electrical *** believe that this study will contribute to a better understanding of the smoke mechanism and process optimization of the PBF-EB.

关键词： Metal-insulator transition Electron beam melting additive manufacturing Packing density Flowability Smoke mechanism Percolation theory