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( Takeshi Suzuki ),( Yosuke Seki ),( Tomoaki Matsumura ),( Makoto Arai ),( Toyoyuki Hanazawa ),( Yoshitaka Okamoto ),( Haruhiko Suzuki ),( Kazunori Kasama ),( Akiko Umezawa ),( Yoshimoti Kurokawa ),( 대한소화기기능성질환·운동학회 2022 Journal of Neurogastroenterology and Motility (JNM Vol.28 No.1
Background/Aims The Lyon Consensus defined parameters based on upper endoscopy and 24-hour combined multichannel intraluminal impedancepH (MII-pH), that conclusively establish the presence of gastroesophageal reflux disease (GERD). However, the true role of upper endoscopy and MII-pH to evaluate patients with extraesophageal symptoms (EES) has not been well established. Hypopharyngeal MII (HMII), which directly measures laryngopharyngeal reflux (LPR) events, has been utilized to evaluate patients with EES suggestive of LPR. Methods This was a retrospective study involving patients with EES for > 12 weeks despite proton pump inhibitor therapy, and had no endoscopic confirmatory evidence for GERD and negative MII-pH. All patients were subsequently referred for further evaluation of EES with “unknown” etiology and underwent laryngoscopy and HMII. Based on HMII, abnormal proximal exposure (APE) was defined as LPR ≥ 1/day and/or full column reflux (reflux 2 cm distal to the upper esophageal sphincter) > 4/day. Patients with APE were offered antireflux surgery (ARS) and the outcome of ARS was objectively assessed using Reflux Symptom Index. Results Of 21 patients with EES which was thought to be GERD-unrelated based on endoscopy and MII-pH, 17 patients (81%) had APE. Eight patients with APE who had undergone ARS had significant symptomatic improvement in the Reflux Symptom Index score (19.6 ± 4.9 pre-ARS to 5.8 ± 1.4 post-ARS, P = 0.008). Conclusions A conventional diagnostic approach using endoscopy and MII-pH may not be sufficient to evaluate patients with EES suggestive of LPR. HMII is essential to evaluate patients with EES, and APE could be a reliable indicator for successful treatment outcomes. (J Neurogastroenterol Motil 2022;28:69-77)
Ohkubo, Kei,Mizushima, Kentaro,Iwata, Ryosuke,Souma, Kazunori,Suzuki, Nobuo,Fukuzumi, Shunichi Royal Society of Chemistry 2010 Chemical communications Vol.46 No.4
<P>Photooxygenation of <I>p</I>-xylene by oxygen occurs efficiently under photoirradiation of 9-mesityl-2,7,10-trimethylacridinium ion (Me<SUB>2</SUB>Acr<SUP>+</SUP>–Mes) to yield <I>p</I>-tolualdehyde and hydrogen peroxide, which is initiated <I>via</I> photoinduced electron transfer of Me<SUB>2</SUB>Acr<SUP>+</SUP>–Mes to produce the electron-transfer state.</P> <P>Graphic Abstract</P><P>Photooxygenation of <I>p</I>-xylene by oxygen occurs efficiently under photoirradiation of mesitylacridinium in an O<SUB>2</SUB>-saturated acetonitrile solution to yield <I>p</I>-tolualdehyde and hydrogen peroxide. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=b920606j'> </P>
A Sensor Network using Content-Aware Messaging Network Architecture
Junya Terazono,Hideyuki Fukuhara,Takuto Yamada,Toshiaki Nihei,Kazunori Suzuki,Isamu Koseda,Ryutaro Fujita,Toshiaki Miyazaki,Senroh Saito,Atsushi Kara,Takafumi Hayashi 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
The present paper describes an approach to the construction of a sensor network using a messaging network. A messaging network is an over lay network with a set of content-aware message handling ca-pabilities. The use of a messaging network can reduce the complexity and maintenance burden of integrated sensor information systems. Message mediation(afunction of the messaging network) enables interoperation of various applications and integration of diverse sensor data. Subscription(an other concept in the messaging network) enables proper information delivery of the sensor data to each user. The proposed approach is helpful in implementing an SOA-based sensor network and enables flexible sensor network configuration and utilization.
Masatoshi Sato,Yoshiaki Kobayashi,Takayuki Kawamata,Yukio Yasui,Kazunori Suzuki,M. Itoh,Ryoichi Kajimoto,Kazuhiko Ikeuchi,M. Arai,Phillipe Bourges 한국물리학회 2013 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.62 No.12
To identify the superconducting symmetry of Fe-based superconductors, we studied effects ofnonmagnetic-impurities on Tc, magnetic excitation spectra 00 and NMR 1/T1 − T curve, whichare sensitive to the relative signs between the order parameters on the disconnected Fermi surfacesin reciprocal space, because the symmetry is closely connected with the pairing mechanism:If the signs are opposite (symmetry S±), the mechanism is considered to be a magneticone, but when the signs are the same (symmetry S++), a novel mechanism is plausible becausethe ordinary phonon mechanism cannot realize the Tc value as high as 55 K found in Ln1111(Ln=lanthanide). Results are as follows: (a) The very small rates of Tc-suppression by impurityatoms M of LnFe1−yMyAs0.89−xF0.11+x (M=Ni, Co, Ru) can be explained only by S++. (b) The00-data for Ba(Fe, Co)2As2 (Tc 23 K) and Ca-Fe-Pt-As crystals seem to be well explained byS++ rather than by S±. (c) The nuclear magnetic resonance data can be consistently understoodby S++, too. These results suggest the S++ symmetry and a novel pairing mechanism, which canbe considered to be related to the elastic softening of C66 induced by the orbital fluctuation of thesystem.