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Koichi Kubo,Yohei Hano,Hiromi Mitarai,Kiyotaka Hirano,Toshiaki Kanemoto,Ahmed Mohamed Galal 한국물리학회 2010 Current Applied Physics Vol.10 No.2
The authors had invented the unique wind turbine unit composed of the large-sized front wind rotor, the small-sized rear wind rotor and the peculiar generator with the inner and the outer rotational armatures. The rotational torques of both armatures/wind rotors are counter-balanced, while the rotational speeds and the directions are adjusted automatically in response to the wind conditions. The prototype unit is composed of the tandem wind rotors, whose front and rear diameters are 2 m and 1.33 m, and the double rotational armatures type synchronous generator. The unit was boarded on a pick-up type vehicle in the field test. The performance of the unit is significantly affected not only by the blade setting angles of both wind rotors, but also by the bulb load. The test results suggest that more improvement is necessary for the blade profiles as tandem wind rotors taking account of the flow interaction between both wind rotors.
Uchino, Junji,Hirano, Ryosuke,Tashiro, Naoki,Yoshida, Yuji,Ushijima, Shinichiro,Matsumoto, Takemasa,Ohta, Keiichi,Nakatomi, Keita,Takayama, Koichi,Fujita, Masaki,Nakanishi, Yoichi,Watanabe, Kentaro Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.8
Aims and Background: To evaluate the efficacy of a combination of aprepitant and conventional antiemetic therapy in patients with advanced or recurrent lung cancer receiving moderately emetogenic chemotherapy (MEC). Methods: Patients with advanced or recurrent lung cancer who were treated with MEC regimens at the Department of Respiratory Medicine, Fukuoka University Hospital, were included and classified into the following groups: control group (treatment: 5-HT3 receptor antagonists + dexamethasone) and aprepitant group (treatment: 5-HT3 receptor antagonists + dexamethasone + aprepitant). The presence or absence of chemotherapy-induced nausea and vomiting (CINV) was evaluated according to the Common Terminology Criteria for Adverse Events (CTCAE) v4.0; patients with grade 1 or above were considered positive for CINV. Food intake per day, completion of planned chemotherapy, and progression-free survival (PFS) achieved by chemotherapy were investigated. Results: The complete suppression rate of nausea in the aprepitant group was significantly higher than that in the control group (p = 0.0043). Throughout the study, the food intake in the aprepitant group was greater than that in the control group, with the rate being significantly higher, in particular, on day 5 (p = 0.003). The completion rate of planned chemotherapy was also higher in the aprepitant group (p = 0.042). PFS did not differ significantly, but tended to be improved in the aprepitant group. Conclusions: The aprepitant group showed significantly higher complete suppression of nausea, food intake on day 5, and completion of planned chemotherapy than the control group.
A New Cancer Cell Detection Method Using an Infectivity-enhanced Adenoviral Vector
Uchino, Junji,Takayama, Koichi,Nakagaki, Noriaki,Shuo, Wang,Hisasue, Junko,Nakatom, Keita,Ohta, Keiichi,Hirano, Ryosuke,Tashiro, Naoki,Miiru, Izumi,Fujita, Masaki,Watanabe, Kentaro,Nakanishi, Yoichi Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.11
Cytological examination is widely used as a diagnostic tool because of the ease of collecting cells from the involved area. However, the diagnostic yield of cytological examination is unsatisfactory; the reasons include sampling error, poorly prepared samples, small numbers of malignant cells, and low grades of cellular atypia. In this study, we focused on the high infectivity of adenovirus towards epithelial cells and applied the luciferase-expressing adenoviral vector to a new cancer cell detection tool. In addition, adenoviral infectivity was enhanced by modifying viral fiber proteins. The sensitivity of the diagnostic tool was tested using the NCI-H1299 lung cancer cell line, and validated in body fluid samples from cancer patients with a variety of etiology. Results showed that the adenovirus efficiently transfected NCI-H1299 with high sensitivity. Only 10 cancer cells were sufficient for detection of luciferase signals. In body fluid samples, the adenovirus confirmed the diagnosis for malignant and benign cancer, but not in non-epithelial cell derived samples. This study provides proof-of-concept for a more reliable and sensitive diagnostic tool for epithelium-derived cancer.
CONSTRAINTS ON A-DECAYING COSMOLOGY FROM OBSERVATIONAL POINT OF VIEW
KOMIYA ZEN,KAWABATA KIYOSHI,HIRANO KOICHI,BUNYA HIROSHI,YAMAMOTO NAOTAKA The Korean Astronomical Society 2005 Journal of The Korean Astronomical Society Vol.38 No.2
To constrain the values of the model parameters for the cosmological models involving the time-decaying $\Lambda$ term, we have computed sets of theoretical predictions for the N-m relation of galaxies as well as the CMB angular power spectrum: three types of variation, viz., ${\Lambda}{\propto} T^{-1},\;a^{-m}$, and $H^n$ are thereby assumed following Overduin & Cooperstock (1998), although we concentrate here on the discussion of the results obtained from the first type. Our results for the N-m relation indicate that the observed excess of the galaxy counts N in the faint region beyond the blue apparent magnitude 24 can be reasonably well accounted for with the value of ${\iota}$ in the range between 0.2 and 1. Furthermore, a comparison of our computational results of the CMB spectra with the observational data shows that the models with a mild degree of the $\Lambda$ term decay, viz., with the value of ${\iota}{\le}$0.4, are favorable. In this case, the age of our universe turns out to be larger than or equal to 14 Gyr, the lower limit inferred from some Uranium datings.