Nagano Prefecture General Industrial Technology Center

Okaya, Japan

Nagano Prefecture General Industrial Technology Center

Okaya, Japan
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Kohyama K.,Japan National Agriculture and Food Research Organization | Hanyu T.,Nagano Prefecture General Industrial Technology Center | Hayakawa F.,Japan National Agriculture and Food Research Organization | Sasaki T.,Japan National Agriculture and Food Research Organization
Bioscience, Biotechnology and Biochemistry | Year: 2010

The objective of this study was to analyze human eating behaviors in chewing and slurping buckwheat noodles. We used electromyography to measure the activity of the jaw-closing, jaw-opening, and lip-closing muscles while healthy adults ate one mouthful of buckwheat noodles. Slurping the noodles required a longer mastication period but smaller muscle activity per movement than chewing the same samples. Total muscle activity was greater in slurping. Slurping also showed a longer average cycle time but greater variances in the cycle time than rhythmical chewing. The mechanical properties of buckwheat noodles significantly differed between the noodle types (half-raw and dry), but the human mastication variables for the two types of noodles were not significantly changed within a subject. Both types of noodles kept for 10 min at 23 °C after being cooked could be consumed with less mastication effort than those immediately served, and this observation corresponded to softening of the noodles during the standing time.


Hayashi R.,Okaya City Hospital | Aizawa J.,Nagano Prefecture General Industrial Technology Center | Nagase H.,Nagano Prefecture General Industrial Technology Center | Ohara S.,National Chushin Matsumoto Hospital
Electromyography and Clinical Neurophysiology | Year: 2010

Objective: To investigate clinical features of postural instability and the relationship between severity of instability and falls during daily living in patients with Parkinsons disease (PD). Methods and subjects: We recorded trunk movements of subjects maintaining a seated position for 2 minutes using both a force plate and a position sensor system. We compared 13 patients with falls (fallers), 7 without falls (non-fallers), and 8 age-matched normal controls. Results: The tendency for the values of both lateral COP displacement and trunk displacement was to increase in 1) patients compared with controls, and 2) fallers compared to non-fallers. Among patients who showed a large value of lateral COP displacement, greater than the value of the mean plus one standard deviation of controls, 90% had lumbar scoliosis and 60% of these patients fell down more than 5 times during the one-year follow-up period. Conclusion: We demonstrated that PD patients who had fallen frequently tended to have a 1) lumbar scoliosis, and 2) large value of lateral COP displacement. These results suggest that the measurement of both lateral COP displacement during sitting and spinal curvature would be useful in predicting the risk of falling in PD patients.


Takane N.,Nagano Prefecture General Industrial Technology Center | Takane N.,Shinshu University | Narita H.,Nagano Prefecture General Industrial Technology Center | Arai S.,Shinshu University
Electrochemistry | Year: 2011

The effectiveness of a coulomb controller in improving the uniformity of multilayer structures was investigated by electrodepositing Co-Cu/Cu multilayers by a potentiostatic single bath method with a target layer thickness of 5 nm. Current analysis and cross-sectional field-emission scanning electron microscopy observations revealed that the layer thickness fluctuated when it was controlled by the deposition time. However, the thickness variation obeyed Faraday's law. Another sample was electrodeposited using a coulomb controller, which controls the layer thickness by the quantity of electricity. The layer thickness was constant in this sample.


Nagaya S.,Nagano Prefecture General Industrial Technology Center | Nishikiori H.,Shinshu University | Mizusaki H.,Nagano Prefecture General Industrial Technology Center | Sato K.,Nagano Prefecture General Industrial Technology Center | And 2 more authors.
Applied Catalysis B: Environmental | Year: 2016

Eosin Y-adsorbing ZnO thin films were prepared on substrates by electroless deposition from aqueous solutions containing zinc nitrate, dimethylamine-borane, and eosin Y. The concentration of eosin Y in the solution changed the structure of the deposited ZnO particles on the substrate. In the absence of eosin Y in the solution, the ZnO crystals preferred to grow in the c-axis direction. In the presence of eosin Y in the solution, the orientation of the ZnO was in the a-axis direction. As the eosin Y concentration increased, the size of the ZnO crystallites decreased and they became aggregated due to a strong interaction between the eosin Y and the (0002) plane of the ZnO, and consequently, the film resistance increased due to their boundary. The electron injection efficiency increased due to the strong interaction although the electron transfer efficiency decreased. The ZnO crystallite size, eosin Y amount, and their interaction increased the energy conversion efficiency. © 2016 .


Takane N.,Nagano Prefecture General Industrial Technology Center | Takane N.,Shinshu University | Narita H.,Nagano Prefecture General Industrial Technology Center | Kurogouchi Y.,Nagano Prefecture General Industrial Technology Center | Arai S.,Shinshu University
AIP Advances | Year: 2013

Co/Cu multilayers were electrodeposited in a single electrolyte using the pulse potential method and the layer thickness was precisely controlled in accordance with Faraday's law. X-ray diffraction revealed that multilayers with layer thicknesses in the range of 25-100 nm consisted of fcc-Co and fcc-Cu phases. For layers thinner than 10 nm, the fcc-Co and fcc-Cu phases merged to form a single crystal phase. When the layers were <1 nm, one diffraction peak of the single crystal phase became proportionally higher as the layer became thinner. The surface structure of multilayers also varied with the layer thickness. Copyright © 2013 Author(s).


Nagaya S.,Nagano Prefecture General Industrial Technology Center | Nishikiori H.,Shinshu University
ACS Applied Materials and Interfaces | Year: 2013

Dye-adsorbing ZnO thin films were prepared on ITO films by electroless deposition. The films were formed in an aqueous solution containing zinc nitrate, dimethylamine-borane, and eosin Y at 328 K. The film thickness was 1.2-2.0 μm. Thinner and larger-plane hexagonal columns were produced from the solution containing a higher concentration of eosin Y. A photocurrent was observed in the electrodes containing such ZnO films during light irradiation. The photoelectrochemical performance of the film was improved by increasing the concentration of eosin Y because of increases in the amount of absorbed photons and the electronic conductivity of ZnO. © 2013 American Chemical Society.


Nagaya S.,Nagano Prefecture General Industrial Technology Center | Nishikiori H.,Shinshu University
Chemistry Letters | Year: 2012

Zinc oxide (ZnO) particles were deposited on a very thin titanium dioxide film by a photocatalytic reaction. The particles were formed in an aqueous solution of 0.10moldm -3 zinc nitrate at 343 K. The particles consisted of crystals with 0.20-1.0jim-sized hexagonal columns. A photocurrent was observed in the electrodes containing such ZnO crystals during light irradiation. © 2012 The Chemical Society of Japan.


Sato K.,Nagano Prefecture General Industrial Technology Center | Sato T.,Shinshu University | Sonehara M.,Shinshu University
INTELEC, International Telecommunications Energy Conference (Proceedings) | Year: 2016

This paper describes transient response improvement of digital PID and I-PD controlled synchronous rectification buck-type dc-dc converter using feedforward compensator. Numerical formulae of the feedforward compensator were introduced by taking into account the relational expression including input voltage, output voltage, load current and ON-time of high-side switch. The steady-state characteristics of the converter with feedforward compensator were the same as the converter without one. However, input and load transient response were significantly improved. © 2015 IEEE.


Takizawa R.,Nagano Prefecture General Industrial Technology Center
Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C | Year: 2013

An easy simulation method makes it possible to introduce an environment-conscious manufacturing process. By considering the production flow to the mass flow, a process can be described as a block which calculates from in and out cost ratio. The manufacturing process can be described in a block diagram by connecting these blocks. The block diagram is turned into one block by equivalent transformations. It facilitates the comparison of cost at a manufacturing process change. And it is able to apply to CO2 emissions of a manufacturing process, too. This paper proposes the idea of a simple method to calculate costs and CO2 emissions on the process change. © 2013 The Japan Society of Mechanical Engineers.


Kasai K.,University of Tokyo | Takano J.,Hokkaido University | Miwa K.,University of Tokyo | Miwa K.,Hokkaido University | And 5 more authors.
Journal of Biological Chemistry | Year: 2011

Boron homeostasis is important for plants, as boron is essential but is toxic in excess. Under high boron conditions, the Arabidopsis thaliana borate transporter BOR1 is trafficked from the plasma membrane (PM) to the vacuole via the endocytic pathway for degradation to avoid excess boron transport. Here, we show that boron-induced ubiquitination is required for vacuolar sorting of BOR1. We found that a substitution of lysine 590 with alanine (K590A) in BOR1 blocked degradation. BOR1 was mono- or diubiquitinated within several minutes after applying a high concentration of boron, whereas the K590A mutant was not. The K590A mutation abolished vacuolar transport of BOR1 but did not apparently affect polar localization to the inner PM domains. Furthermore, brefeldin A and wortmannin treatment suggested that Lys-590 is required for BOR1 translocation from an early endosomal compartment to multivesicular bodies. Our results show that boron-induced ubiquitination of BOR1 is not required for endocytosis from the PM but is crucial for the sorting of internalized BOR1 to multivesicular bodies for subsequent degradation in vacuoles. © 2011 by The American Society for Biochemistry and Molecular Biology, Inc.

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