Search Results:　 1-20 of 238

1

Enhanced productivity of electrospun polyvinyl alcohol nanofibrous mats using aqueous N,N-dimethylformamide solution and their application to lipase-immobilizing membrane-shaped catalysts(BIOCHEMICAL ENGINEERING)

Sawada Koichi , Sakai Shinji , Taya Masahito

… Electrospun polyvinyl alcohol (PVA) nanofibrous non-woven fabrics have been widely used for cell and enzyme immobilization. … In this study, a mixture of water and N,N-dimethylformamide (DMF) was used as a solvent of PVA. …

Journal of bioscience and bioengineering 114(2), 204-208, 2012-08-00

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2

Adhesion of Wood Species with Poor Bonding Capability Using Phase-separated Blends of Polyvinyl Alcohol (PVA) I : Phase Structure of Blended PVA [in Japanese]

YAMADA Masaaki , KATO Hayato , TAKI Kinji

日本接着学会誌 = Journal of the Adhesion Society of Japan 48(6), 193-203, 2012-06-01

References (14)
3

The Reproducible Experiments of the Earth's Phenomenon : The Reproduction of the Viscoelastic Fluid using Polyvinyl Alcohol (PVA) [in Japanese]

谷口英嗣 , 町田嗣樹 , 齋藤洋輔

城西大学研究年報. 自然科学編 (35), 13-22, 2012-03-00

IR
4

Electrochemical Performance of Polyvinyl Alcohol Nano-fiber based Nonwoven Separator for Lithium ion Battery [in Japanese]

TANAKA Masanao , CHO Tae-Hyung , NAKAMURA Tatsuo , TARAO Takashi , KAWABE Masaaki , SAKAI Tetsuo

Fiber : Sen-i Gakkai 68(1), 1-5, 2012-01-10

References (10)
5

Adhesion of Woods with Poor Bonding Capacity Using Phase-separated Blends of Polyvinyl Alcohol (PVA) (2) Improved Adhesion Performance of Wood Species with Poor Bonding Capacity [in Japanese]

山田雅章 , 加藤隼人 , 滝欽二

日本接着学会誌 = Journal of the Adhesion Society of Japan : adhesion 48(7), 222-228, 2012-00-00
6

Adhesion of Wood Species with Poor Bonding Capability Using Phase-separated Blends of Polyvinyl Alcohol (PVA) (1) Phase Structure of Blended PVA [in Japanese]

山田雅章 , 加藤隼人 , 滝欽二

日本接着学会誌 = Journal of the Adhesion Society of Japan : adhesion 48(6), 193-203, 2012-00-00
7

Newly developed mineral trioxide aggregate containing polyvinyl alcohol

YAMAMOTO Mitsunori , WANIBE Harumasa , NAKATA Kazuhiko , TSURUTA Shozo , KAWAI Tatsushi , NAKAMURA Hiroshi

… The purpose of this study was to examine the apatite-formation ability and the viscosity of a mineral trioxide aggregate (MTA)polyvinyl alcohol (PVA) paste prepared. … The MTA-PVA paste immersed in an artificial body fluid generated carbon apatite containing magnesium. … The MTA-PVA paste exhibited fluidity and increased compressive strengths. …

Dental Materials Journal 31(6), 1014-1020, 2012

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8

Preoperative Endovascular Embolization for Hemangioblastoma in the Posterior Fossa

SAKAMOTO Noriaki , ISHIKAWA Eiichi , NAKAI Yasunobu , AKUTSU Hiroyoshi , YAMAMOTO Tetsuya , NAKAI Kei , SHIIGAI Masanari , TSURUSHIMA Hideo , ISOBE Tomonori , TAKANO Shingo , TSUBOI Koji , MATSUMURA Akira

… Surgical excision without presurgical embolization was performed in 8 cases, and excision with presurgical embolization was performed in 7 cases, using Guglielmi detachable coils with or without polyvinyl alcohol (GDC ± PVA) in 4 cases and only n-butyl 2-cyanoacrylate (NBCA) in 3 cases. … The mean volume of intraoperative blood loss was clearly less in the NBCA group than in the GDC ± PVA group. …

Neurologia medico-chirurgica 52(12), 878-884, 2012

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9

Fabrication of a mesophase pitch-based submicron carbon-fiber web [in Japanese]

Kitano Takahiro , Iwata Akira , Okino Fujio

… A mesophase pitch-based submicron carbon-fiber web, non-woven fabric, was prepared using an aqueous solution of polyvinyl alcohol (PVA). … The dispersion of mesophase pitch in the PVA solution was electrospun to form a web of submicron carbon fibers. … TEM observation indicated that the fiber consists of aggregates of mesophase pitch-derived small graphitic particles surrounded by an amorphous substance likely originating from the PVA. …

TANSO 2012(254), 160-164, 2012

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10

Improved Adhesion Properties of Wood with Low Adhesivity Using Polyvinyl Alcohol with Different Degrees of Saponification [in Japanese]

YAMADA Masaaki , ORIYAMA Masashi , TAKI Kinji

日本接着学会誌 = Journal of the Adhesion Society of Japan 47(12), 471-477, 2011-12-01

References (30)
11

Humidity Detection by Using a Hybrid Sensor Employing Optical Waveguide Spectroscopy and Quartz Crystal Microbalance

SHINBO Kazunari , IWASAKI Makoto , OHDAIRA Yasuo , BABA Akira , KATO Keizo , KANEKO Futao

… A polyvinyl alcohol (PVA) film with CoCl2 was deposited on the OWG, and humidity sensing characteristics were investigated. …

IEICE Transactions on Electronics 94(12), 1851-1854, 2011-12-01

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12

Evaluation of Inhomogeneity in Trehalose Glass by Red-Edge Effect [in Japanese]

NAGASAWA Yutaka , KATAYAMA Genki , ASAKAWA Naomi , MIYASAKA Hiroshi

… "Red-edge effect" was measured for trehalose glass, polymethyl methacrylate (PMMA), polyvinyl alcohol (PVA), and 1-propanol (PrOH) at different temperatures utilizing coumarin 153 (C153) as a fluorescent probe molecule. … However, the vibrational structure was not clear and the spectral feature was closer to those in PMMA and PVA. …

Cryobiology and cryotechnology 57(2), 121-124, 2011-10-15

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13

A Novel Photoactive Nano-Filtration Module Composed of a TiO_2 Loaded PVA Nano-Fibrous Membrane on Sponge Al_2O_3 Scaffolds and Al_2O_3-(m-ZrO_2)/t-ZrO_2 Composites

LINH Nguyen Thuy Ba , LEE Kap-Ho , LEE Byong-Taek

Materials Transactions 52(7), 1452-1456, 2011-07-01

References (16)
14

Biodegradation of polyvinyl alcohol by Flammulina velutipes in an unsubmerged culture(ENVIRONMENTAL BIOTECHNOLOGY)

Tsujiyama Sho-ichi , Nitta Tomoko , Maoka Takashi

… To examine the biodegradation of polyvinyl alcohol (PVA), Flammulina velutipes (Enokitake) was cultivated in both liquid and quartz sand cultures. … Gel permeation chromatography showed that the PVA recovered from the quartz sand culture was depolymerized and yielded low-molecular-weight portions. …

Journal of bioscience and bioengineering 112(1), 58-62, 2011-07-00

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15

Influence of Concrete Strength on the Bond Characteristics of Reinforcing Fibers [in Japanese]

DONG Hexiang , OKUBO Seisuke , FUKUI Katsunori

… Four polyolefin (PO) fibers were evaluated together with a steel fiber and a polyvinyl alcohol (PVA) fiber. …

Journal of MMIJ 127(6), 249-255, 2011-05-25

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16

Basic Examination for Three-dimensional Phase-sensitive Inversion Recovery (3D PSIR) Method by Late Gadolinium Enhancement of Non-breath-hold Cardiac Magnetic Resonance Image [in Japanese]

SUZUKI Yoshinori , TERAOKA Kunihiko , KAWADE Masashi , KOIZUMI Kiyoshi , KOMORI Yoshiaki , ZUEHLSDORFF Sven

… Method: In the 3D PSIR method using a 1.5 Tesla MRI system and a polyvinyl alcohol (PVA) gel phantom, we evaluated the relation of the signal intensity at multiple inversion times (TI), 100–500 ms; …

Japanese Journal of Radiological Technology 67(1), 41-50, 2011-01-20

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17

Formation of cobalt ferrites from aqueous solutions of metal nitrates containing PVA: effects of the amount of PVA and annealing temperature

HUNYEK Anuchit , SIRISATHITKUL Chitnarong , HARDING Phimphaka

… Controlling magnetic properties of sol–gel synthesized cobalt ferrites (CoFe2O4) have been studied by variations in amount of polyvinyl alcohol (PVA) and annealing temperature. … PVA of 24, 32, 40 and 48 g in 10% w/v aqueous solutions was used in the reaction between 10.592 g of Co(NO3)2·6H2O and 29.407 g of Fe(NO3)3·9H2O. … The decrease in PVA led to the reductions in coercive field and squareness. …

Journal of the Ceramic Society of Japan 119(1390), 541-543, 2011

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18

Fabrication and characterization of highly porous calcium phosphate (CaP) ceramics by freezing foamed aqueous CaP suspensions

YOON He-Jin , KIM Uoong-Chul , KIM Ji-Hwan , KOH Young-Hag , CHOI Won-Young , KIM Hyoun-Ee

… Highly porous calcium phosphate (CaP) ceramics were fabricated by freezing foamed aqueous CaP suspensions with various CaP contents (15, 20, and 25 vol %) containing polyvinyl alcohol (PVA) as the binder and emulsifying agent. …

Journal of the Ceramic Society of Japan 119(1391), 573-576, 2011

J-STAGE CrossRef
19

Rheological behaviors of ball-milled and wet-jet milled ZnO slurries with polyvinyl alcohol as an organic binder

SATO Katsuya , SATO Kimiyasu , HOTTA Yuji

… Fluidity of wet-jet milled and ball-milled ZnO slurries containing polyvinyl alcohol (PVA) was investigated from rheological behaviors and centrifugal separation. … The viscosities of wet-jet milled ZnO slurries were much small as compared to ball-milled ones irrespective of the solids loading and PVA contents. … At 30 vol % of high solids loading, the viscosity of wet-jet milled slurry with PVA was decreased to one-ninth of ball-milled one. …

Journal of the Ceramic Society of Japan 119(1387), 203-207, 2011

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20

Hydrophilic and Hydrophobic Double MPL Coated Gas Diffusion Layer for Enhanced PEFC Performance under No-Humidification at the Cathode(Thermal Engineering) [in Japanese]

KITAHARA Tatsumi , KONOMI Toshiaki , NAKAJIMA Hironori , SHIRAISHI Junichiro

… The hydrophobic MPL using a PTFE (polytetrafluoroethylene) binder and the hydrophilic MPL using a PVA (polyvinyl alcohol) binder were coated on the carbon paper GDL substrate. … Appropriate enhancement of hydrophilicity by increasing the PVA content to 5mass% is also effective for enhancing PEFC performance. …

Transactions of the Japan Society of Mechanical Engineers. B 76(772), 2218-2226, 2010-12-25

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