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Readability Comparison of Pro- and Anti-Cancer Screening Online Messages in Japan
Okuhara, Tsuyoshi,Ishikawa, Hirono,Okada, Masahumi,Kato, Mio,Kiuchi, Takahiro Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.12
Background: Cancer screening rates are lower in Japan than those in western countries. Health professionals publish procancer screening messages on the internet to encourage audiences to undergo cancer screening. However, the information provided is often difficult to read for lay persons. Further, anti-cancer screening activists warn against cancer screening with messages on the Internet. We aimed to assess and compare the readability of pro- and anti-cancer screening online messages in Japan using a measure of readability. Methods: We conducted web searches at the beginning of September 2016 using two major Japanese search engines (Google.jp and Yahoo!.jp). The included websites were classified as "anti", "pro", or "neutral" depending on the claims, and "health professional" or "non-health professional" depending on the writers. Readability was determined using a validated measure of Japanese readability. Statistical analysis was conducted using two-way ANOVA. Results: In the total 159 websites analyzed, anti-cancer screening online messages were generally easier to read than pro-cancer screening online messages, Messages written by health professionals were more difficult to read than those written by non-health professionals. Claim ${\times}$ writer interaction was not significant. Conclusion: When health professionals prepare pro-cancer screening materials for publication online, we recommend they check for readability using readability assessment tools and improve text for easy comprehension when necessary.
Okuhara, Tsuyoshi,Ishikawa, Hirono,Okada, Hiroko,Kiuchi, Takahiro Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.15
Background: The objective of this study was to assess the readability, suitability, and health content of cancer screening information in municipal newspapers in Japan. Materials and Methods: Suitability Assessment of Materials (SAM) and the framework of Health Belief Model (HBM) were used for assessment of municipal newspapers that were published in central Tokyo (23 wards) from January to December 2013. Results: The mean domain SAM scores of content, literacy demand, and layout/typography were considered superior. The SAM scores of interaction with readers, an indication of the models of desirable actions, and elaboration to enhance readers' self-efficacy were low. According to the HBM coding, messages of medical/clinical severity, of social severity, of social benefits, and of barriers of fear were scarce. Conclusions: The articles were generally well written and suitable. However, learning stimulation/motivation was scarce and the HBM constructs were not fully addressed. Practice implications: Articles can be improved to motivate readers to obtain cancer screening by increasing interaction with readers, introducing models of desirable actions and devices to raise readers' self-efficacy, and providing statements of perceived barriers of fear for pain and time constraints, perceived severity, and social benefits and losses.
A comparative study of bi-directional airflow turbines
Manabu Takao,Seisuke Fukuma,Shinya Okuhara,M. M. Ashraful Alam,Yoichi Kinoue 한국유체기계학회 2019 International journal of fluid machinery and syste Vol.12 No.3
In an oscillating water column (OWC) based wave energy plant, a bi-directional airflow is generated in the air chamber. To harness energy, the bi-directional airflow turbines that rotate in the same direction are used in such wave energy conversion devices. Till date, some turbines for bi-directional airflow have been proposed, and their performance were investigated by wind tunnel tests and CFD analyses. Some of the typical turbines have inherent disadvantages, such as severe stall problem and low efficiency. Therefore, authors proposed two unique turbines for bi-directional flow: Wells turbine with booster and counter-rotating impulse turbine. An extensive computational work was conducted to perform a comparative study between the conventional and proposed turbines for bi-directional airflow.
Manabu Takao,Haruka Katsube,M. M. A. Alam,Seisuke Fukuma,Shinya Okuhara,Yoichi Kinoue 한국유체기계학회 2018 International journal of fluid machinery and syste Vol.11 No.1
Wells turbine, widely used to harness the wave energy, has high efficiency at a low flow rate. However, it has severe stall problem. In order to alleviate this problem, a dual-turbine system of Wells turbine with a booster impulse turbine was proposed. In the present study, the effect of impulse turbine geometries on the performance of combined turbine system was investigated by CFD analysis. As a result, the boosting effect of impulse turbine depends on the pressure differences that caused by the setting angles at a high flow rate. Moreover, the decrease of flow rate with the setting angle has a significant influence on the efficiency.
A Twin Impulse Turbine for Wave Energy Conversion
M M Ashraful Alam,Hideki Sato,Manabu Takao,Shinya Okuhara,Toshiaki Setoguchi 한국유체기계학회 2016 International journal of fluid machinery and syste Vol.9 No.4
A twin unidirectional impulse turbine for wave energy conversion has been suggested in our previous study, and the performance under unsteady flow has been investigated by quasi-steady analysis. In the present study, the performance of twin impulse turbine under unsteady flow condition has been investigated by unsteady analysis of Computational fluid dynamics. As a result, the mean efficiency of twin unidirectional impulse turbine under unsteady flow is lower than the maximum efficiency of unidirectional impulse turbine. Moreover, it is verified that airflow goes backward in the reverse turbine in low flow rates.
A New Potent Angiogenesis Inhibitor, FR-118487
TAKANAO, OTSUKA,OHKAWA, TAKEHIKO,SHIBATA, TOSHIHIRO,OKU, TERUO,OKUHARA, MASAKUNI,TERANO, HIROSHI,MASANOBU KOHSAKA,IMANAKA, HIROSHI 한국미생물 · 생명공학회 1991 Journal of microbiology and biotechnology Vol.1 No.3
A new angiogenesis inhibitor, FR-118487 was obtained by chemical modification of FR-111142 which was isolated from the fermentation products of Scolecobasidium arenarium F-2015. The antiangiogenic activity of FR-118487 was compared with that of the parent compound, FR-111142. In the endothelial cell proliferation test in vitro and the anglogenesis in the chick embryo chorioallantoic membrane assay, FR-118487 had about 5∼10 times stronger antiangiogenic activities than FR-111142. In addition, FR-118487 inhibited the angiogenesis in the rabbit corneal assay and suppressed the solid tumor growth in mice. These findings showed that FR-118487 would be a unique antiangiogenic agent with promising antitumor activity.