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RISS 인기검색어
- 검색키워드
- 저자 : Fuminori Ito (검색결과 3 건)
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Fuminori Ito,Yuriko Nishiyama,Shuhong Duan,Hidetaka Yamada 한국고분자학회 2020 Macromolecular Research Vol.28 No.4
In the present study, the selection and combination of the water-absorbing agent to blend with polyvinyl alcohol (PVA) for the preparation of a high-performance CO2-separation membrane were examined by evaluating the separation performance of the resulting membrane. The separation performance of a two-layer membrane prepared by stacking and a single-layer membrane prepared by blending were also compared, where the latter was found to be superior. The selection of a water-absorbing agent with higher water absorption and compatibility with PVA is important in the preparation of a high-performance separation membrane by blending. The highperformance CO2-separation membrane was prepared by blending PVA with two types of water-absorbing agents. In addition, the variation in the composition ratio of two water-absorbing agents further improved the CO2-separation performance. Accordingly, the highperformance CO2-separation membrane was successfully prepared by combining PVA with two water-absorbing agents.
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Yuji Ikeda,Akiko Furusawa,Ryo Kitagawa,Aya Tokinaga,Fuminori Ito,Masayo Ukita,Hidetaka Nomura,Wataru Yamagami,Hiroshi Tanabe,Mikio Mikami,Nobuhiro Takeshima,Nobuo Yaegashi 대한부인종양학회 2016 Journal of Gynecologic Oncology Vol.27 No.3
Objective: Although radiation therapy (RT) and concurrent chemoradiotherapy (CCRT)are the global standards for adjuvant therapy treatment in cervical cancer, many Japaneseinstitutions choose chemotherapy (CT) because of the low frequency of irreversible adverseevents. In this study, we aimed to clarify the trends of adjuvant therapy for intermediate/highriskcervical cancer after radical surgery in Japan. Methods: A questionnaire survey was conducted by the Japanese Gynecologic OncologyGroup to 186 authorized institutions active in the treatment of gynecologic cancer. Results: Responses were obtained from 129 facilities. Adjuvant RT/CCRT and intensitymodulatedRT were performed in 98 (76%) and 23 (18%) institutions, respectively. On theother hand, CT was chosen as an alternative in 93 institutions (72%). The most commonregimen of CT, which was used in 66 institutions (51%), was a combination of cisplatin/carboplatin with paclitaxel. CT was considered an appropriate alternative option to RT/CCRTin patients with risk factors such as bulky tumors, lymph node metastasis, lymphovascularinvasion, parametrial invasion, and stromal invasion. The risk of severe adverse events wasconsidered to be lower for CT than for RT/CCRT in 109 institutions (84%). Conclusion: This survey revealed a variety of policies regarding adjuvant therapy amonginstitutions. A clinical study to assess the efficacy or non-inferiority of adjuvant CT iswarranted.
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Estimating colonization and invasion risk maps for Linepithema humile, in Japan
Sachiko Moriguchi,Maki N. Inoue,Toshio Kishimoto,Takeshi Kameyama,Fuminori Ito,Koichi Goka 한국응용곤충학회 2015 Journal of Asia-Pacific Entomology Vol.18 No.2
Our goal was to create colonization and invasion risk maps for the Argentine ant, Linepithema humile, based on occurrence data in Japan, by combining colonization- and invasion-related variables and spatial filters that alleviate spatial autocorrelation. With these data, we will be better able to implement surveillance and control programs. Species distribution models were generated, using the maximum entropy approach, from presence-only data collected from 12 locations. Colonization-related variables (e.g., temperature, precipitation) and invasionrelated variables (e.g., urban area, distance from ports) were used as environmental variables and spatial filters that alleviate spatial autocorrelation were included at the same time. The high invasion risk area was restricted to coastal areas, whereas high colonization risk applied to a broader area. Elevation, minimum temperature, and flowaccumulationwere themost effective variables for predicting colonization risk,whereas urban area, elevation, and the port distance index were the most effective variables for predicting invasion risk. The invasion risk map had a higher level of accuracy than the colonization risk map. We identified those areas with a high risk of invasion in the early stages and strong propagule pressure with a model using both invasion-related variables and colonization-related variables to accurately estimate the initial invasion distributions. We found that high colonization risk areas were concentrated in the Okinawa and Ogasawara Islands; ecosystems with highly endemic ant species that are likely to have a high sensitivity to L. humile introduction. Our data will aid in strengthening both domestic and international quarantine systems to prevent such introductions.
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