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Bolze, J.*; Takahashi, Masamitsu; Mizuki, Junichiro; Baumgart, T.*; Knoll, W.*
Journal of the American Chemical Society, 124(32), p.9412 - 9421, 2002/08
Times Cited Count：13 Percentile：45.98(Chemistry, Multidisciplinary)Synchrotron X-ray reflectivity and grazing incidence diffraction were applied to study the structures of phospholipid Langmuir-Blodgett films under controlled humidity. DSPE and DSPE-PEO lipopolymers, in which a PEO chain with n= 8, 17, or 45 EO units is covalently linked to the polar headgroup of DSPE, were used. When the relative humidity was changed from below 2 to 97%, the phosphate headgroup in a DSPE film was hydrated with a concomitant thickness increase of 0.42 nm. The swelling of the monolayer was found to be a reversible process without any significant roughening of the film. Subtle differences in the film thickness could be detected for DSPE monolayers transferred under various lateral pressures. The degree of lateral ordering of the alkyl chains in DSPE monolayers increased considerably when the humidity was raised. In the case of DSPE-PEO with eight EO units, the hydration of the monolayer was also found to be reversible, but the water uptake was larger due to the presence of the hydrophilic polymer interlayer.
Sobajima, Makoto
JAERI-Review 2001-011, 90 Pages, 2001/03
JAERI-Review-2001-011.pdf:6.49MB
no abstracts in English
Yoshii, Fumio
Kino Zairyo, 20(6), p.36 - 41, 2000/06
no abstracts in English
Makuuchi, Keizo
Porima Daijesuto, 51(6), p.73 - 90, 1999/06
no abstracts in English
Sawa, Kazuhiro; Murata, Isao; Shiozawa, Shusaku; *
Nuclear Technology, 106, p.265 - 273, 1994/06
Times Cited Count：2 Percentile：28.05(Nuclear Science & Technology)no abstracts in English
*; *; Hitoki, Shigehisa*; Fujisawa, Noboru; Sugihara, Masayoshi; Yamamoto, Shin; Mizoguchi, Tadanori*; Abe, Mitsushi*; *; *; et al.
JAERI-M 87-119, 19 Pages, 1987/08
no abstracts in English
Oba, Kyoko; Yoshizawa, Atsufumi*; Kitamura, Masaharu*
no journal, ,
This study introduces the necessity of stepping up the concept from Safety-I, risk removal type of safety, to the Safety-II, which aims to enhance system flexibility and resilience. In order to achieve Safety-II, the Fukushima Daiichi Nuclear Power Plant accident was investigated by using Resilience Engineering, which is the methodology going toward Safety-II. Focusing on responding, which is one of the four cornerstones of Resilience Engineering, workers in the Fukushima Daiichi Nuclear Power Plants executed flexible ideas to prevent catastrophic damage of the accident. Those responding were created by human with strong attitude in which few investigation reports mentioned. Those approaches show the importance of the Safety-II concept and Resilience Engineering methodology.
