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Prevalence of Pachinko-Pachislot Playing Disorder and the Characteristics of Individuals with the Disorder: Analysis of National Pachinko/Pachislot Survey Results

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Open Journal of Psychiatry 2018年第2期8卷 120-130页

作者： Yukiko Horiuchi Akira Sakamoto kumiko akiyama Akiyo Shoun Naoyuki Nishimura Kikunori Shinohara Yasunobu Komoto Taku Sato Hitoshi Ishida Nobuo Makino Letters and Education Ochanomizu University Tokyo Japan Faculty of Core Research Human Science Division Ochanomizu University Tokyo Japan The Nikkoso Foundation for Safe Society Tokyo Japan Graduate School of Humanities and Sciences Ochanomizu University Tokyo Japan Recovery Support Network Okinawa Japan Tokyo University of Science SUWA Nagano Japan Yoshino Hospital Tokyo Japan Naruse Mental Clinic Tokyo Japan Japan Women’s University Tokyo Japan

To understand the reality of gambling disorder caused by playing pachinko/pachislot, a national pachinko/pachislot survey was conducted. Based on the survey result, we examined the appearance ratio and the characteristics of individuals with a suspected pachinko-pachislot playing disorder. The analysis result indicated that approximately 0.4% of survey respondents were suspected to have the disorder. This appearance ratio was comparable to the prevalence of gambling disorder in the general population. Those who had a suspected disorder were likely to be divorced, and have no savings. Meanwhile, no distinctive characteristics were found in their gender, annual household income, or the highest educational attainment.

关键词： Gambling Disorder Pachinko/Pachislot Playing Disorder National Survey Japan

Large Mesoporous Tin Dioxide Powders for Gas Sensor Materials-Effects of Various Additives on the Mesostructure and the H_2 Sensing Properties

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稀有金属材料与工程 2006年第A03期35卷 455-458页

作者： Takeo Hyodo kumiko Murayama Yasuhiro Shimizu Makoto Egashira Department of Materials Science and Engineering Faculty of EngineeringNagasaki University1-14 Bunkyo-machiNagasaki 852-8521Japan

Preparation of large mesoporous tin dioxide (lm-SnO_2) under various conditions was attempted by utilizing a self-assembly of a triblock copolymer,P123:(EO)_(20)(PO)_(70)(EO)_(20) or F127:(EO)_(106)(PO)_(70)(EO)_(106)(EO:ethylene oxide and PO: propylene oxide).The sensor fabricated from calcined lm-SnO_2 powder,which had been prepared by using P123 as a template,Na_2SnO_3 as a tin source,and TEOS as an additive ([TEOS]/[Na_2SnO_3]=0.5 in the precursor solution),showed the largest response to 1×10^(-3) hydrogen at 350℃among the sensors *** existence of two kinds of SnO_2 particles with different sizes (ca.100 nm and several nm in diameter) may be important to improve the hydrogen sensing properties drastically.

关键词： mesoporous tin dioxide triblock copolymer triethoxyorthosilicate hydrogen gas sensor

Simultaneous removal of dissolved organic matter and bromide from drinking water source by anion exchange resins for controlling disinfection by-products

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Journal of Environmental Sciences 2014年第6期26卷 1294-1300页

作者： Athit Phetrak Jenyuk Lohwacharin Hiroshi Sakai Michio Murakami kumiko Oguma Satoshi Takizawa Department of Urban Engineering Graduate School of Engineering The University of Tokyo Institute of Industrial Science The University of Tokyo

Anion exchange resins （AERs） with different properties were evaluated for their ability to remove dissolved organic matter （DOM） and bromide, and to reduce disinfection by-product （DBP） formation potentials of water collected from a eutrophic surface water source in Japan. DOM and bromide were simultaneously removed by all selected AERs in batch adsorption experiments. A polyacrylic magnetic ion exchange resin （MIEX） showed faster dissolved organic carbon （DOC） removal than other AERs because it had the smallest resin bead size. Aromatic DOM fractions with molecular weight larger than 1600 Da and fluorescent organic fractions of fulvic acid- and humic acid-like compounds were efficiently removed by all AERs. Polystyrene AERs were more effective in bromide removal than polyacrylic AERs. This result implied that the properties of AERs, i.e. material and resin size, influenced not only DOM removal but also bromide removal efficiency, MIEX showed significant chlorinated DBP removal because it had the highest DOC removal within 30 rain, whereas polystyrene AERs efficiently removed brominated DBPs, especially brominated trihalomethane species. The results suggested that, depending on source water DOM and bromide concentration, selecting a suitable AER is a key factor in effective control of chlorinated and brominated DBPs in drinking water.

关键词： adsorption dissolved organic carbon drinking water treatment ion exchange

Human pluripotent stem cells:Towards therapeutic development for the treatment of lifestyle diseases

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World Journal of Stem Cells 2016年第2期8卷 56-61页

作者： Miwako Nishio Masako Nakahara Akira Yuo kumiko Saeki Research Institute National Center for Global Health and Medicine PRESTO Japan Science and Technology Agency

There are two types of human pluripotent stem cells: Embryonic stem cells(ESCs) and induced pluripotent stem cells(iPSCs),both of which launched themselves on clinical trials after having taken measures to overcome problems: Blocking rejections by immunosuppressants regarding ESCs and minimizing the risk of tumorigenicity by depleting exogenous gene components regarding iP *** is generally assumed that clinical applications of human pluripotent stem cells should be limited to those cases where there are no alternative measures for treatments because of the risk in transplanting those cells to living *** lifestyle diseases,we have already several therapeutic options,and thus,development of human pluripotent stem cell-based therapeutics tends to be ***,human pluripotent stem cells can contribute to the development of new therapeutics in this *** we will show,there is a case where only a short-term presence of human pluripotent stem-derived cells can exert long-term therapeutic effects even after they are *** those cases,immunologically rejections of ESC-or allogenic iP SC-derived cells may produce beneficial outcomes by nullifying the risk of tumorigenesis without deterioration of therapeutic *** utility of human pluripotent stem cells is the provision of an innovative tool for drug discovery that are otherwise *** example,clinical specimens of human classical brown adipocytes(BAs),which has been attracting a great deal of attention as a new target of drug discovery for the treatment of metabolic disorders,are unobtainable from living individuals due to scarcity,fragility and ethical ***,BA can easily be produced from human pluripotent stem *** this review,we will contemplate potential contribution of human pluripotent stem cells to therapeutic development for lifestyle diseases.

关键词： Arteriostenosis Human embryonic stem cells Glucose intolerance Human induced pluripotent stem cells Brown adipose tissue

LC-MS/MS method for the quantitation of serum tocilizumab in rheumatoid arthritis patients using rapid tryptic digestion without IgG purification

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Journal of Pharmaceutical Analysis 2022年第6期12卷 852-859页

作者： Takashi Mochizuki Kaito Shibata Takafumi Naito kumiko Shimoyama Noriyoshi Ogawa Masato Maekawa Junichi Kawakami Department of Hospital Pharmacy Hamamatsu University School of MedicineHamamatsu431-3192Japan Department of Pharmacy Shinshu University HospitalMatsumotoNagano390-8621Japan Third Division Department of Internal MedicineHamamatsu University School of MedicineHamamatsu431-3192Japan Department of Laboratory Medicine Hamamatsu University School of MedicineHamamatsu431-3192Japan

The quantitation of serum tocilizumab using liquid chromatography tandem-mass spectrometry(LC-MS/MS)method has not been widely applied in clinical settings because of its time-consuming and costly sample *** present study aimed to develop a validated LC-MS/MS method for detecting serum tocilizumab by utilizing immobilized trypsin without an immunoglobulin G purification step and evaluate its applicability in the treatment of rheumatoid arthritis(RA)patients administered intravenously or subcutaneously with *** tocilizumab-derived signature peptide was deciphered using a nano-LC system coupled to a hybrid quadrupole-orbitrap mass *** serum tocilizumab was rapidly digested by immobilized trypsin for 30 *** chromatographic peak of the signature peptide and that of the internal standard were separated from the serum digests for a total run time of 15 *** calibration curve of serum tocilizumab concentration was linear with a range of 2-200 μg/*** intra-and inter-day accuracy and relative standard deviation(RSD)were 90.7%-109.4%and<10%,*** serum tocilizumab concentrations in the RA patients receiving intravenous and subcutaneous injections were 5.8-28.9 and 2.4-63.5 μg/mL,*** serum tocilizumab concentrations using the current method positively correlated with those using the enzyme-linked immunosorbent assay,although a systematic error was observed between these *** conclusion,a validated LC-MS/MS method with minimal sample pretreatments for monitoring serum tocilizumab concentrations in RA patients was developed.

关键词： Tocilizumab LC-MS/MS Immobilized trypsin IgG purification Proteomics Rheumatoid arthritis

Examination of in vivo mutagenicity of sodium arsenite and dimethylarsinic acid in gpt delta rats

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Journal of Environmental Sciences 2016年第11期28卷 125-130页

作者： Masaki Fujioka Min Gi Satoko Kawachi kumiko Tatsumi Naomi Ishii Kenichiro Doi Anna Kakehashi Hideki Wanibuchi Department of Molecular Pathology Osaka City University Graduate School of Medicine

Arsenic is a well-known human bladder and liver carcinogen, but its exact mechanism of carcinogenicity is not fully understood. Dimethylarsinic acid（DMAV） is a major urinary metabolite of sodium arsenite（i As~Ⅲ） and induces urinary bladder cancers in rats. DMAVand i As~Ⅲare negative in in vitro mutagenicity tests. However, their in vivo mutagenicities have not been determined. The purpose of present study is to evaluate the in vivo mutagenicities of DMAVand i As~Ⅲin rat urinary bladder epithelium and liver using gpt delta F344 ***-week old male gpt delta F344 rats were randomized into 3 groups and administered 0,92 mg/L DMAV, or 87 mg/L i As~Ⅲ（each 50 mg/L As） for 13 weeks in the drinking water. In the mutation assay, point mutations are detected in the gpt gene by 6-thioguanine selection（gpt assay） and deletion mutations are identified in the red/gam genes by Spi-selection（Spi-assay）. Results of the gpt and Spi-assays showed that DMAVand i As~Ⅲhad no effects on the mutant frequencies or mutation spectrum in urinary bladder epithelium or liver. These findings indicate that DMAVand i As~Ⅲare not mutagenic in urinary bladder epithelium or liver in rats.

关键词： Dimethylarsinic acid Sodium arsenite In vivo mutagenicity Urinary bladder epithelium gpt delta rat

A Study on Cyclone Aila Recovery in Koyra, Bangladesh:Evaluating the Inclusiveness of Recovery with Respect to Predisaster Vulnerability Reduction

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International Journal of Disaster Risk Science 2018年第1期9卷 28-43页

作者： Md.Shibly Sadik Hajime Nakagawa Rezaur Rahman Rajib Shaw Kenji Kawaike kumiko Fujita Department of Civil and Earth Resources Engineering Kyoto University Center for Environmental and Geographic Information Services (CEGIS) Disaster Prevention Research Institute (DPRI) Kyoto University Institute of Water and Flood Management Bangladesh University of Engineering and Technology Graduate School of Media and Governance Shonan Fujisawa Campus (SFC) Keio University

The need to consider disaster risk reduction at the time of recovery is well-recognized. Viable disaster risk reduction measures should resolve the root causes of predisaster vulnerabilities. Accordingly, we investigated the recovery from the impact of Cyclone Aila in Koyra Upazila, Bangladesh, which was severely damaged by this2009 cyclone. Our research focused on understanding preAila vulnerabilities to cyclone impact and examined the degree of inclusion of vulnerability reduction measures within the recovery process. A composite methodology that included an institutional survey, key informant interviews,collection of the judgment of experts, focus group discussions, and a score-based quantification technique was adopted. Through a process of understanding pre-Aila vulnerabilities, recognition of the root causes of these inherent weaknesses, and identification of appropriate measures for pre-Aila vulnerability reduction, a set of 23 indicators were selected to represent the most desirable vulnerability reduction measures to implement duringrecovery. A score-based technique was applied to measure the degree of inclusion of vulnerability reduction within the recovery with respect to the indicators. The scoring result shows that the degree of inclusion of vulnerability reduction within the recovery was poor. The result specifies that among the 23 indicators of potential vulnerability reduction measures, 10 are completely missing and the rest are only partially included. The overall findings imply that the Koyra community continues to live with a vulnerability similar to that of the pre-Aila period.

关键词： Bangladesh Cyclone Aila Diagnostic analysis Disaster risk reduction Post-disaster reconstruction

Predictive model of risk factors of High Flow Nasal Cannula using machine learning in COVID-19

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Infectious Disease Modelling 2022年第3期7卷 526-534页

作者： Nobuaki Matsunaga Keisuke Kamata Yusuke Asai Shinya Tsuzuki Yasuaki Sakamoto Shinpei Ijichi Takayuki akiyama a Jiefu Yu Gen Yamada Mari Terada Setsuko Suzuki kumiko Suzuki Sho Saito Kayoko Hayakawa Norio Ohmagari AMR Clinical Reference Center National Center for Global Health and MedicineTokyoJapan DataRobot Inc. TokyoJapan Disease Control and Prevention Center National Center for Global Health and MedicineTokyoJapan Biostatistics Division Center for Research Administration and SupportNational Cancer CenterTokyoJapan

With the rapid increase in the number of COVID-19 patients in Japan,the number of patients receiving oxygen at home has also increased rapidly,and some of these patients have *** efficient approach to identify high-risk patients with slowly progressing and rapidly worsening COVID-19,and to avoid missing the timing of therapeutic intervention will improve patient prognosis and prevent medical *** admitted to medical institutions in Japan from November 14,2020 to April 11,2021 and registered in the COVID-19 Registry Japan were *** factors for patients with High Flow Nasal Cannula invasive respiratory management or higher were comprehensively explored using machine ***-specific cohorts were created,and severity prediction was performed for the patient surge *** were able to obtain a model that was able to predict severe disease with a sensitivity of 57%when the specificity was set at 90%for those aged 40e59 years,and with a specificity of 50%and 43%when the sensitivity was set at 90%for those aged 60e79 years and 80 years and older,*** were able to identify lactate dehydrogenase level(LDH)as an important factor in predicting the severity of illness in all age *** machine learning,we were able to identify risk factors with high accuracy,and predict the severity of the *** plan to develop a tool that will be useful in determining the indications for hospitalisation for patients undergoing home care and early hospitalisation.

关键词： COVID-19 Machine learning Severity Risk prediction Japan

The Power Shift： National Anxiety, Territorial Dispute, and Trans-Regional Cooperation in Asia and the US Role

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International Relations and Diplomacy 2015年第3期3卷 209-219页

作者： kumiko Haba Aoyama Gakuin University Tokyo Japan

＂Power Shift＂ is used as the emerging Asia （emerging China and India） and declining US, European Union （EU） and Japan in the contemporary world. In parallel, it is used as raising territorial disputes and Xenophobia in Asia and Europe, especially in East Asia, Japan, China, and Korea. However, Asian economic development and high economic growth rate attracts the US and the EU to Asian region, not a conflict, and it demands Asian stable development, rather than unstable territorial disputes. Angas Maddison Statistics, International Monetary Fund （IMF） and World Bank also shows that China will surpass the USA by Purchasing power parity （PPP） based Gross domestic product （GDP） economically in 2015. The world of the 21st century is not unilateral, but multilateral or multipolar system, and the sift is already starting from the American continent to the Asian continent. How does it ensure the Asian stability and how does it guarantee the collaboration and prosperity between Asian countries and the world？ And how does the United States uses Asian pivot and Asian rebalance strategy？ The analysis of these policies are extremely important for considering the future of the world system. In this article, the author investigates the rise and fall of the great powers in the transition era, and develops economics, knowledge and science technology in the near future. Especially the author investigates the importance of making networks of the think-tanks, and to strengthen the relationship between nation states and regions under the conflict and antagonism.

关键词： power shift xenophobia emerging Asia territorial dispute US rebalance and pivot strategy AngusMaddison statistics multipolar system