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Aoyagi, Kazuhei; Sakurai, Akitaka; Miyara, Nobukatsu; Sugita, Yutaka; Tanai, Kenji
Shigen, Sozai Koenshu (Internet), 6(2), 7 Pages, 2019/09
no abstracts in English
Bandodkar, A. J.*; Gutruf, P.*; Choi, J.*; Lee, K.-H.*; Sekine, Yurina; Reeder, J. T.*; Jeang, W. J.*; Aranyosi, A. J.*; Lee, S. P.*; Model, J. B.*; et al.
Science Advances (Internet), 5(1), p.eaav3294_1 - eaav3294_15, 2019/01
Times Cited Count:451 Percentile:99.88(Multidisciplinary Sciences)Interest in advanced wearable technologies increasingly extends beyond systems for biophysical measurements to those that enable continuous, non-invasive monitoring of biochemical markers in biofluids. Here, we introduce battery-free, wireless microelectronic platforms that perform sensing via schemes inspired by the operation of biofuel cells. Combining these systems in a magnetically releasable manner with chrono-sampling microfluidic networks that incorporate assays based on colorimetric sensing yields thin, flexible, lightweight, skin-interfaced technologies with broad functionality in sweat analysis. A demonstration device allows simultaneous monitoring of sweat rate/loss, along with quantitative measurements of pH and of lactate, glucose and chloride concentrations using biofuel cell and colorimetric approaches.
Sato, Yuki; Torii, Tatsuo
Isotope News, (757), p.44 - 47, 2018/06
no abstracts in English
Abderrahmane, A.*; Ko, P. J.*; Okada, Hiroshi*; Sato, Shinichiro; Oshima, Takeshi; Shibasaki, Ichiro*; Sandhu, A.*
IEEE Electron Device Letters, 35(12), p.1305 - 1307, 2014/12
Times Cited Count:1 Percentile:9.41(Engineering, Electrical & Electronic)Tolerance of AlInSb/InAsSb/AlInSb heterostructures quantum-well-based micro-Hall sensors against proton irradiation of 380 keV and proton fluence in the range 10 and 10 (proton/cm) is reported. Defects and deep levels induced by proton irradiation into the heterostructures caused decreases in the mobility of the micro-Hall sensors. Degradation of the magnetic sensitivity started at a proton fluence of 10 (proton/cm) and continued with increasing proton fluence. The variation of the micro-Hall sensors sensitivity was minimal in low doped AlInSb/InAsSb/AlInSb heterostructure quantum wells. These micro-Hall sensors were operable even at proton fluence of 10 (proton/cm), which makes these devices suitable for space applications with lifetime of thousands of years in the outer space.
Hanawa, Satoshi; Hata, Kuniki; Shibata, Akira; Chimi, Yasuhiro; Kasahara, Shigeki; Tsutsui, Nobuyuki*; Iwase, Akihiro*; Nishiyama, Yutaka
Proceedings of 2014 Nuclear Plant Chemistry Conference (NPC 2014) (USB Flash Drive), 9 Pages, 2014/10
no abstracts in English
Nishimura, Akihiko; Terada, Takaya; Takenaka, Yusuke*; Furuyama, Takehiro*; Shimomura, Takuya
Proceedings of 22nd International Conference on Nuclear Engineering (ICONE-22) (DVD-ROM), 6 Pages, 2014/07
Since 2007, JAEA has been developing laser based technologies of structural health monitoring. The FBG sensor made by femtosecond laser processing will be the best candidate. To make the best use of the heat resistant characteristic, the FBG sensor was embedded in metal mold by laser cladding. A groove was processed to the surface of a SUS metal plate. We used a QCW laser to weld a filler wire on the plate. A series of weld beads perfectly formed a sealing clad on the groove. Though the FBG sensor was buried tightly, no degradation on the reflection spectrum was detected after the processing. The FBG sensor could detect the vibration of the plate caused by impact shocks and audio vibration. The reflection peak of the FBG sensor under laser cladding condition was shifted to be 6 nm. We demonstrated that the corresponded temperature derive from the reflection peak shift reached 600 degrees in heat shock experiments. The installation procedure of a FBG sensor using a portable laser cladding machine was described.
Kawamata, Yoichi; Yonekawa, Izuru; Kurihara, Kenichi
Heisei-16-Nendo Osaka Daigaku Sogo Gijutsu Kenkyukai Hokokushu (CD-ROM), 4 Pages, 2005/03
no abstracts in English
Tsukada, Takashi; Miwa, Yukio; Ugachi, Hirokazu; Matsui, Yoshinori; Itabashi, Yukio; Nagata, Nobuaki*; Dozaki, Koji*
Proceedings of International Conference on Water Chemistry of Nuclear Reactor Systems (CD-ROM), 5 Pages, 2004/10
IASCC initiation and propagation tests will be performed on the per-irradiated specimen in the Japan Materials Testing Reactor (JMTR). Since in core, the radiolysis of water causes a generation of various kind of radical species and some oxidizing species such as hydrogen peroxide, the water chemistry in irradiation capsules must be assessed by measurements of the electrochemical corrosion potential (ECP). For the in-core measurement of ECP in JMTR, we fabricated and tested the Fe/FeO type ECP sensor. After the fabrication, the function of each sensor was examined in high temperature water by out-of-core thermal cycling and high temperature holding tests.
Ishiyama, Shintaro
Nihon Kikai Gakkai Rombunshu, A, 69(686), p.102 - 107, 2003/10
no abstracts in English
Ishiyama, Shintaro
Materia, 42(1), p.58 - 60, 2003/01
no abstracts in English
Chen, J.*; Tsubokawa, Norio*; Maekawa, Yasunari; Yoshida, Masaru
Carbon, 40(9), p.1597 - 1617, 2002/08
Times Cited Count:21 Percentile:73.45(Chemistry, Physical)no abstracts in English
Kasai, Satoshi; Nakayama, Takahide*; Ishitsuka, Etsuo
JAERI-Tech 2001-082, 23 Pages, 2001/12
The improved mechnical sensor, jB has been desiged and developed. Materials of a load cell (strain gauge and sensor beam) and sensing coil/frame are selected to be neutron resistance. In order to reduce temperature drift of the sensor signal, four strain gauges with the same electrical property and geometrical size are bonded on the sensor beam by AlO spraying process. These gauges form an electrical bridge circuit. The zero-level drift of the output of the load cell was reduced to about 1/20 compared with the old sensor. Non-linearity of the output of load cell and sensitivity of the jB sensor was observed. The deviation of sensitivity from the fitting line was less than 7 % in high magnetic field region. The sensitivity of the sensor was gradually decreased by about 30 % at neutron fluence of (1.82.8)10 n/m in high magnetic field region.
Chen, J.; Yoshida, Masaru; Maekawa, Yasunari; Tsubokawa, Norio*
Polymer, 42(23), p.9361 - 9365, 2001/11
Times Cited Count:31 Percentile:72.19(Polymer Science)no abstracts in English
Goto, Masahiro; Hobley, J.; Kawanishi, Shunichi; Fukumura, H.
Applied Physics A, 69(suppl.), p.S257 - S261, 1999/12
Times Cited Count:8 Percentile:39.82(Materials Science, Multidisciplinary)no abstracts in English
Ozu, Akira; Ito, Kazunori*; Matoba, Toru; Kawanishi, Shunichi; Arisawa, Takashi
Review of Scientific Instruments, 70(9), p.3776 - 3777, 1999/09
Times Cited Count:1 Percentile:20.54(Instruments & Instrumentation)no abstracts in English
Obara, Kenjiro; Kakudate, Satoshi; Oka, Kiyoshi; *; *; Koizumi, Koichi; Shibanuma, Kiyoshi; Yagi, Toshiaki; Morita, Yosuke; ; et al.
JAERI-Tech 99-003, 312 Pages, 1999/02
[This article is unavailable to download the full text due to various reasons.]
*; Nagashima, Akira; *; Kasai, Satoshi
JAERI-Tech 98-057, 12 Pages, 1998/12
no abstracts in English
*; Nakazawa, Masaharu*; Sakasai, Kaoru; Kakuta, Tsunemi; ; Katagiri, Masaki
Nuclear Instruments and Methods in Physics Research A, 389, p.513 - 522, 1997/00
Times Cited Count:1 Percentile:23.14(Instruments & Instrumentation)no abstracts in English
Saito, Junichi; Hoshiya, Taiji; ;
JAERI-Tech 96-015, 58 Pages, 1996/03
no abstracts in English
Obara, Kenjiro; Kakudate, Satoshi; Oka, Kiyoshi; Furuya, Kazuyuki; *; Tada, Eisuke; Shibanuma, Kiyoshi; Koizumi, Koichi; Okawa, Yoshinao; Morita, Yosuke; et al.
JAERI-Tech 96-011, 111 Pages, 1996/03
no abstracts in English