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cardiovascular events with every 1 mol/L increase in bilirubin in this study [ 4 ]. Obstructive sleep apnea (OSA) is a complex syndrome characterized by oxygen desaturation and sleep disorder as well as upper airway obstruction experienced recurrently during

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Az obstruktív alvási apnoe szindróma a felnőtt lakosság számottevő részét érintő, súlyos cardiovascularis szövődményekkel járó és a betegek életminőségét jelentősen rontó megbetegedés. A krónikus obstruktív tüdőbetegség szintén a középkorú korosztály legmagasabb prevalenciájú megbetegedései között szerepel. E két, népbetegségként számon tartott légúti szindróma együttes fennállása súlyos, kombinált alvás alatti légzészavart eredményez. Krónikus obstruktív tüdőbetegségben szenvedő betegek esetében az alvási apnoe fennállásának mielőbbi felismerése és a kevert légzészavar adekvát kezelése alapvető fontosságú. Orv. Hetil., 2012, 153, 892–897.

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online sexual activities (OSAs) over a 6-month period ( Li & Zheng, 2017 ; Zheng & Zheng, 2014 ). Many college students reported experience in accessing sexual information (89.8%) and sexual entertainment (76.5%) online, and almost half of them (48

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. Sleep Med Rev. 2008; 12: 481–496. 18 Joosten SA, Hamilton GS, Naughton MT. Impact of weight loss management in OSA. Chest 2017; 152: 194

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Journal of Radioanalytical and Nuclear Chemistry
Authors: Y. Toh, M. Koizumi, M. Oshima, A. Kimura, Y. Hatsukawa, A. Osa, and J. Goto

Abstract  

In order to improve the sensitivity for the quantification of trace elements, we propose the combination of prompt gamma-ray analysis (PGA) and a multiple gamma-ray detection method. A new Ge detector system for multiple prompt gamma-ray analysis (MPGA) was constructed at the neutron guide-hall of the JRR-3M reactor of the Japan Atomic Energy Agency (JAEA). The first demonstration of this system was given with a plastic sample containing traces of cadmium. The quantification limit of cadmium in a plastic sample was found to be about 0.1 ppm.

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Journal of Radioanalytical and Nuclear Chemistry
Authors: S. Watanabe, N. Ishioka, T. Sekine, A. Osa, M. Koizumi, H. Shimomura, K. Yoshikawa, and H. Muramatsu

Abstract  

Ion implantation was applied to the production of endohedral 133Xe-fullerene. Using an isotope separator, 133Xe ions were implanted into a fullerene target of C60 and C70 produced by vacuum evaporation on a Ni backing. An HPLC analysis following dissolution of the fullerene targets in o-dichlorobenzene corroborated the formation of 133Xe@C60 and 133Xe@C70, showing a strong correlation between C60/C70 and 133Xe. The observed tailing following 133Xe peaks in the elution curves suggests a possibility of the isolation of endohedral 133Xe-fullerene from empty fullerene.

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Journal of Radioanalytical and Nuclear Chemistry
Authors: N. Shigeta, H. Matsuoka, A. Osa, M. Koizumi, M. Izumo, K. Kobayashi, K. Hashimoto, T. Sekine, and R. Lambrecht

Abstract  

No-Carrier-Added186Re was produced using the186W(p,n)186Re nuclear reaction with 13.6 MeV protons on thick targets of 99.79% isotopically enriched186WO3. The theoretical excitation functions for producing186Re, and possible radionuclidic impurities of182Re,183Re, and184Re were calculated using the ALICE code. Cross-sections of the186W(p,n)186Re reaction were measured up to 20 MeV using the stacked target method with thin foils of natural composition tungsten metal. The experimental and theoretical excitation functions were in good agreement. Targetry used at the TIARA cyclotron, and a radiochemical separation scheme for186Re are described.

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Journal of Radioanalytical and Nuclear Chemistry
Authors: H. Muramatsu, H. Ishii, E. Tanaka, M. Misawa, H. Ito, T. Miura, S. Muto, M. Koizumi, A. Osa, T. Sekine, and M. Yanaga

Abstract  

Mössbauer effect measurements for the 81 keV transition in133Cs have been performed with133Xe-implanted sources prepared by means of an electromagnetic isotope separator. The behavior of the isomer shift of133Cs impurities was studied in various metals. Some correlations were found between measured isomer shifts and electronic properties of the host materials, and they show that the host conduction electrons have an important role in the determination of the isomer shift in metals.

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Journal of Radioanalytical and Nuclear Chemistry
Authors: N. Ishioka, H. Matsuoka, S. Watanabe, A. Osa, M. Koizumi, T. Kume, S. Matsuhashi, T. Fujimura, A. Tsuji, H. Uchida, and T. Sekine

Abstract  

The positron emitters11C,13N and18F and their labeled compounds have been produced for studies on plants using a newly developed positron emitting tracer imaging system. Although this system covers, at present, a limited area in a plant, the distribution of the positron emitter fed into the plant can be visualized dynamically. Further development of positron-emitter-labeled compounds is expected to elucidate the physiological function of plants in vivo.

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Journal of Radioanalytical and Nuclear Chemistry
Authors: T. Sekine, S. Ichikawa, A. Osa, M. Koizumi, H. Iimura, K. Tsukada, I. Nishinaka, Y. Hatsukawa, Y. Nagame, M. Asai, Y. Kojima, T. Hirose, M. Shibata, H. Yamamoto, and K. Kawade

Abstract  

Studies on the decay of unstable nuclei using the two on-line isotope separators of JAERI are reviewed for the past five years. With the previously established ion-source technique using mono-oxide ion formation in a thermal ion source, the new nuclides125Pr and127Pr have been identified in heavy-ion fusion residues. Further, with a newly developed gas-jet coupled thermal ion source, the new nuclides166Tb,165Gd,161Sm and236Am have been identified by bombarding238U and235U targets with a proton or6Li beam. Other studies, including off-line experiments, by decay spectroscopy, laser spectroscopy and Mössbauer spectroscopy are described.

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