Transactions-Materials Research Society of Japan最新文献

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Poly (N-isopropylacrylamide)-Clay Nanocomposite Hydrogels with Patterned Thermo-Responsive Behavior 具有模式热响应行为的聚n -异丙基丙烯酰胺-粘土纳米复合水凝胶
Transactions-Materials Research Society of Japan Pub Date : 2017-08-01 DOI: 10.14723/TMRSJ.42.119
Y. Maki, T. Dobashi
{"title":"Poly (N-isopropylacrylamide)-Clay Nanocomposite Hydrogels with Patterned Thermo-Responsive Behavior","authors":"Y. Maki, T. Dobashi","doi":"10.14723/TMRSJ.42.119","DOIUrl":"https://doi.org/10.14723/TMRSJ.42.119","url":null,"abstract":"Poly ( N -isopropylacrylamide) (PNIPA)-clay nanocomposite hydrogels (NC gels) having small patterns of several hundred micrometers were prepared by photoinitiated radical polymerization with the use of a patterned photomask. The irradiated region of the obtained gels became more opaque than the masked region at temperatures above its lower critical solution temperature (LCST), indicating that the small patterns with modulated thermo-responsive behavior can be fabricated in the stretchable and tough PNIPA-clay NC gels.","PeriodicalId":23220,"journal":{"name":"Transactions-Materials Research Society of Japan","volume":"56 1","pages":"119-122"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77634736","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Membrane Insertion for Direct Detection of Lipoteichoic Acid 插膜法直接检测脂磷胆酸
Transactions-Materials Research Society of Japan Pub Date : 2017-08-01 DOI: 10.14723/TMRSJ.42.101
Jessica Z. Kubicek-Sutherland, Astrid C. Hengartner, H. Mukundan
{"title":"Membrane Insertion for Direct Detection of Lipoteichoic Acid","authors":"Jessica Z. Kubicek-Sutherland, Astrid C. Hengartner, H. Mukundan","doi":"10.14723/TMRSJ.42.101","DOIUrl":"https://doi.org/10.14723/TMRSJ.42.101","url":null,"abstract":"The incorrect diagnosis of bacterial pathogens results in the misuse of antibiotics, a major contributor to the evolution of antibiotic resistance. The ability to rapidly identify a pathogen could facilitate more effective treatment strategies, reducing the unnecessary use of antibiotics. Current diagnostics of bacterial infections often require cell growth, and are therefore less capable of informing timely treatment options. Here, we describe the development of a rapid assay (<45 min) to identify Gram-positive bacteria directly in human serum without any growth or isolation required. We have developed a fluorescence-based immunoassay specifically targeting the Gram-positive bacterial biomarker lipoteichoic acid (LTA). LTA is an amphiphilic molecule with both hydrophobic and hydrophilic portions. Our approach, termed membrane insertion, exploits the amphiphilic biochemistry of the molecule by allowing it to passively insert itself into a lipid bilayer, thereby trapping it for subsequent probing with a fluorescently labeled α -LTA antibody. Using this assay, we have successfully detected less than 10 µ g/ml of LTA directly in spiked human serum. We intend to combine this rapid assay with others currently in development into a diagnostic tool for point-of-care detection of bacterial pathogens.","PeriodicalId":23220,"journal":{"name":"Transactions-Materials Research Society of Japan","volume":"134 1","pages":"101-105"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91461327","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Oxide Ion Conduction of BaCe0.80Zr0.10Y0.10O3-δ Thin Film with Oxygen Vacancies 含氧空位BaCe0.80Zr0.10Y0.10O3-δ薄膜的氧化离子传导
Transactions-Materials Research Society of Japan Pub Date : 2017-08-01 DOI: 10.14723/TMRSJ.42.97
Masanori Ochi, N. Miyakawa, M. Minohara, K. Horiba, H. Kumigashira, T. Higuchi
{"title":"Oxide Ion Conduction of BaCe0.80Zr0.10Y0.10O3-δ Thin Film with Oxygen Vacancies","authors":"Masanori Ochi, N. Miyakawa, M. Minohara, K. Horiba, H. Kumigashira, T. Higuchi","doi":"10.14723/TMRSJ.42.97","DOIUrl":"https://doi.org/10.14723/TMRSJ.42.97","url":null,"abstract":"(cid:3) A BaCe 0.80 Zr 0.10 Y 0.10 O 3-  (BCZY) thin film with a - and c -axes orientations has been deposited on Al 2 O 3 (0001) substrates by Radio Frequency magnetron sputtering. The lattice constants of a and c -axes decrease with increasing the substrate temperature ( T sub ) during sputtering deposition. The as-prepared BCZY thin film has the mixed valence states of Ce 4+ (4 f 0 ) and Ce 3+ (4 f 1 L ) with oxygen vacancies created by high T sub . The electrical conductivity increases with increasing T sub , but it does not depend on oxygen partial pressure in the intermediate temperature (IMT) region between 400 and 600  C. The Ce 3+ state at the LUMO level of the BCZY thin film is larger than that of BCZY bulk ceramic in which oxide ion conduction has not been observed. These results indicate that the BCZY thin film with oxygen vacancies has the high oxide ion conduction, which is required for electrolytes of solid oxide fuel cells","PeriodicalId":23220,"journal":{"name":"Transactions-Materials Research Society of Japan","volume":"64 1","pages":"97-100"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84273927","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of Crystal Status Transformation on the Thermal Shrinkage Characteristics and Extensional Characteristics of Acetaldehyde Solvent-Induced Crystalization PET Film 结晶状态转变对乙醛溶剂结晶PET膜热收缩特性和拉伸特性的影响
Transactions-Materials Research Society of Japan Pub Date : 2017-08-01 DOI: 10.14723/TMRSJ.42.107
M. Ishinabe, Y. Yamashita, K. Tsutsumiuchi, K. Tashiro, K. Imaeda, Masunori Kawamura
{"title":"Effect of Crystal Status Transformation on the Thermal Shrinkage Characteristics and Extensional Characteristics of Acetaldehyde Solvent-Induced Crystalization PET Film","authors":"M. Ishinabe, Y. Yamashita, K. Tsutsumiuchi, K. Tashiro, K. Imaeda, Masunori Kawamura","doi":"10.14723/TMRSJ.42.107","DOIUrl":"https://doi.org/10.14723/TMRSJ.42.107","url":null,"abstract":"It was previously reported acetaldehyde-induced crystallization of PET film wherein the original unoriented film is dipped in acetaldehyde for 5 min to drastically enhance its crystallinity. It was conducted additional experiments and evaluated this crystallinity by infrared, X-ray analyses. We report here a type of T X (a so-called middle crystal status) that does not lead to complete thermal shrinkage proof. By the acetaldehyde-induced process, CH 2 -wagging at 1340cm -1 is activated. However, the degree that a carbonyl group and a benzene ring are packed on the same plane by this solvent processing is reduced. These results are related to the improvement of heat resistance after stretching at 80°C and the highly extensional characteristics at 20°C of this stretched film after placing in boiling water.","PeriodicalId":23220,"journal":{"name":"Transactions-Materials Research Society of Japan","volume":"8 1","pages":"107-111"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91121681","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Nitridation of metal salen-derived ZnGa2O4 particles using a solid nitrogen source 用固体氮源氮化金属salen衍生ZnGa2O4颗粒
Transactions-Materials Research Society of Japan Pub Date : 2017-06-01 DOI: 10.14723/TMRSJ.42.89
Amelia Amir, Kazuhiro Manseki, T. Sugiura
{"title":"Nitridation of metal salen-derived ZnGa2O4 particles using a solid nitrogen source","authors":"Amelia Amir, Kazuhiro Manseki, T. Sugiura","doi":"10.14723/TMRSJ.42.89","DOIUrl":"https://doi.org/10.14723/TMRSJ.42.89","url":null,"abstract":"Zinc gallium oxynitride, (Ga 1-x Zn x )(N 1-x O x ), was synthesized by the reaction of zinc gallium oxynitride, ZnGa 2 O 4 , with a solid nitrogen source of Li 3 N at 823 K. A thermolysis of the mixture of gallium salen and zinc acetate produced ZnGa 2 O 4 particles with a 2D morphology. The optimization of zinc and gallium ratio was examined in synthesizing ZnGa 2 O 4 . After nitridation, zinc gallium oxynitride with a cauliflower-like morphology was produced as a major product for zinc-rich precursor, whereas LiGaO 2 and GaN were the major products for zinc-poor precursor.","PeriodicalId":23220,"journal":{"name":"Transactions-Materials Research Society of Japan","volume":"42 1","pages":"89-92"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77192094","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Preparation of Sn doped SiO2 films using SiO2 and SnO2 mixture powder target by magnetron sputtering deposition 磁控溅射沉积SiO2和SnO2混合粉末靶材制备锡掺杂SiO2薄膜
Transactions-Materials Research Society of Japan Pub Date : 2017-06-01 DOI: 10.14723/TMRSJ.42.73
Hiroharu Kawasaki, T. Ohshima, Y. Yagyu, T. Ihara, Y. Suda
{"title":"Preparation of Sn doped SiO2 films using SiO2 and SnO2 mixture powder target by magnetron sputtering deposition","authors":"Hiroharu Kawasaki, T. Ohshima, Y. Yagyu, T. Ihara, Y. Suda","doi":"10.14723/TMRSJ.42.73","DOIUrl":"https://doi.org/10.14723/TMRSJ.42.73","url":null,"abstract":"Sn doped SiO2 thin films, which show strong luminescence by UV excitation , were prepared by a sputtering deposition method using a SnO 2 and SiO 2 powder mixed target. Optical emission spectrum of the plasma using powder target was almost same compared with the conventional sputtering deposition method SiO2 bulk target and Sn atoms were identified in the emission spectrum. XRD and XPS measurements suggest that Sn doped SiO 2 thin films can be prepared using SnO 2 and SiO 2 mixture powder target, and their properties depend on the SiO 2 mixture in the target.","PeriodicalId":23220,"journal":{"name":"Transactions-Materials Research Society of Japan","volume":"30 1","pages":"73-76"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83904709","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Effects of Heat-treatment Temperature on Shape Memory Characteristics of a Tape-shaped Ti-Ni Alloy Element Fabricated by a Centrifugal Casting Method 热处理温度对离心铸造带状Ti-Ni合金元件形状记忆特性的影响
Transactions-Materials Research Society of Japan Pub Date : 2017-06-01 DOI: 10.14723/TMRSJ.42.69
Chikara Nakagawa, H. Fujiki, Hiroki Cho
{"title":"Effects of Heat-treatment Temperature on Shape Memory Characteristics of a Tape-shaped Ti-Ni Alloy Element Fabricated by a Centrifugal Casting Method","authors":"Chikara Nakagawa, H. Fujiki, Hiroki Cho","doi":"10.14723/TMRSJ.42.69","DOIUrl":"https://doi.org/10.14723/TMRSJ.42.69","url":null,"abstract":"growing SBO crystals. (A) Voids appear on a growing SBO crystal. Circles and diamonds indicate voids and impurities, respectively. White and black arrows correspond to the directions of crystal growth (the opposite of pulling-down direction) and escape of voids. VG: growth rate; VC: constant rate of voids. (B)–(D) Two modes of inclusion occurrence. Growth conditions: (B) VG < VC; (C) VG ≓ VC; (D) VG > VC.","PeriodicalId":23220,"journal":{"name":"Transactions-Materials Research Society of Japan","volume":"8 1","pages":"69-72"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73367234","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Complex Flocculation of Biofilm-forming Bacteria in the Presence of Flocculating Bacteria Isolated from Activated Sludge 活性污泥中分离絮凝菌存在下生物成膜菌的复合絮凝作用
Transactions-Materials Research Society of Japan Pub Date : 2017-06-01 DOI: 10.14723/TMRSJ.42.77
C. Okano, Koki Chiba, E. Nasuno, K. Iimura, N. Kato
{"title":"Complex Flocculation of Biofilm-forming Bacteria in the Presence of Flocculating Bacteria Isolated from Activated Sludge","authors":"C. Okano, Koki Chiba, E. Nasuno, K. Iimura, N. Kato","doi":"10.14723/TMRSJ.42.77","DOIUrl":"https://doi.org/10.14723/TMRSJ.42.77","url":null,"abstract":"We demonstrated that complex flocculation of biofilm-forming Pseudomonas aeruginosa PAO1 and Bacillus cereus SM-5 occurred in the presence of floc-forming Pseudomonas oryzihabitans AO-363 isolated from activated sludge. Laser diffraction analysis showed a drastic decrease in the detected frequency of planktonic PAO1 cells (1.3 µ m) after they were mixed with AO-363 flocs. In addition, the most frequent diameter of SM-5 flocs shifted from 152 to 175 µ m after mixing with the AO-363 culture. Complex flocculation was also supported by analysis of the bacterial composition of the floc fraction obtained by low-speed centrifugation. Such complex microbial flocs could contribute to the development of biofilms on polystyrene surfaces. When AO-363 was co-cultured with PAO1 or SM-5, the amount of biofilm formation increased by 3–4 times compared to that in the absence of the floc-forming AO-363 cells. These results suggest that microbial flocs containing extracellular polymeric substances (EPS) could increase the development of biofilms that contain bacterial colonies and the EPS components.","PeriodicalId":23220,"journal":{"name":"Transactions-Materials Research Society of Japan","volume":"24 1","pages":"77-80"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87672275","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Surface Electronic Structure of Proton-doped YSZ Thin Film by Soft-X-ray Photoemission Spectroscopy 光子掺杂YSZ薄膜表面电子结构的软x射线光谱学研究
Transactions-Materials Research Society of Japan Pub Date : 2017-06-01 DOI: 10.14723/TMRSJ.42.61
M. Takayanagi, T. Tsuchiya, M. Minohara, Masaki Kobayashi, K. Horiba, H. Kumigashira, T. Higuchi
{"title":"Surface Electronic Structure of Proton-doped YSZ Thin Film by Soft-X-ray Photoemission Spectroscopy","authors":"M. Takayanagi, T. Tsuchiya, M. Minohara, Masaki Kobayashi, K. Horiba, H. Kumigashira, T. Higuchi","doi":"10.14723/TMRSJ.42.61","DOIUrl":"https://doi.org/10.14723/TMRSJ.42.61","url":null,"abstract":"Makoto Takayanagi1*, Takashi Tsuchiya2, Makoto Minohara3, Masaki Kobayashi3, Koji Horiba3, Hiroshi Kumigashira3, and Tohru Higuchi1 1 Department of Applied Physics, Tokyo University of Science, Katsushika, Tokyo 125-8585, Japan 2 International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0044, Japan 3 Photon Factory, KEK, Tsukuba, Ibaraki 305-0801, Japan * Makoto Takayanagi: e-mail: TAKAYANAGI.Makoto@nims.go.jp","PeriodicalId":23220,"journal":{"name":"Transactions-Materials Research Society of Japan","volume":"16 1","pages":"61-64"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87366472","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Growth of transparent SrB4O7 crystal fiber by the μ-PD method μ-PD法制备SrB4O7透明晶体光纤
Transactions-Materials Research Society of Japan Pub Date : 2017-06-01 DOI: 10.14723/TMRSJ.42.65
Takaaki Machida, Shouichi Inaba, Maki Ueda, Harutoshi Asakawa, R. Komatsu
{"title":"Growth of transparent SrB4O7 crystal fiber by the μ-PD method","authors":"Takaaki Machida, Shouichi Inaba, Maki Ueda, Harutoshi Asakawa, R. Komatsu","doi":"10.14723/TMRSJ.42.65","DOIUrl":"https://doi.org/10.14723/TMRSJ.42.65","url":null,"abstract":"We grew transparent SrB4O7 (SBO) crystal fibers by the micro-pulling-down (μ-PD) method at pulling rates (VP) of 0.01–0.40 mm/min. We observed the SBO crystals by optical microscopy. The SBO crystal fiber at VP of 0.40 mm/min was cloudy due to the incorporation of voids. In contrast, transparent single-crystal fibers were obtained at VP of less than 0.02 mm/min. This is the first time that transparent SBO crystal fibers have been grown with a length of several centimeters. These results demonstrate that it is crucial to grow SBO crystals at a low VP to obtain transparent crystal fibers. In addition, we considered the generation mechanism of voids in the SBO crystals by using the relation between the growth rate of SBO crystals and the diffusion rate of voids.","PeriodicalId":23220,"journal":{"name":"Transactions-Materials Research Society of Japan","volume":"123 1","pages":"65-68"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75799248","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
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