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  1. Article

    Open Access

    Scintillation of polyester fabric and clothing via proton irradiation and its utilization in surface imaging of proton pencil beams

    In the realm of radiation therapy, a conspicuous obstacle lies in the dearth of external observation concerning radiation beams aimed at the patient. While real-time monitoring of such beams on the patient's s...

    Seiichi Yamamoto, Tomohiro Yamashita, Masao Yoshino, Kei Kamada in Scientific Reports (2024)

  2. Article

    Open Access

    Relationship among muscle strength, muscle endurance, and skeletal muscle oxygenation dynamics during ramp incremental cycle exercise

    Peak oxygen uptake (VO2), evaluated as exercise tolerance, is a strong predictor of life prognosis regardless of health condition. Several previous studies have reported that peak VO2 is higher in those with a gr...

    Shinji Nemoto, Tohru Nakabo, Naonori Tashiro, Asami Kishino in Scientific Reports (2024)

  3. No Access

    Article

    Integrating cytology into routine digital pathology workflow: a 5-year journey

    Despite recent advances in digital imaging, the adoption of digital cytology is challenging due to technical limitations. This study describes our 5-year institutional experience with the implementation of dig...

    Andrey Bychkov, Akira Yoshikawa, Jijgee Munkhdelger, Takashi Hori in Virchows Archiv (2023)

  4. Article

    Open Access

    Development of an ultrahigh resolution real time alpha particle imaging system for observing the trajectories of alpha particles in a scintillator

    High-resolution imaging of alpha particles is required in the detection of alpha radionuclides in cells or small organs for the development of radio-compounds for targeted alpha-particle therapy or other purpo...

    Seiichi Yamamoto, Masao Yoshino, Kei Kamada, Ryuga Yajima in Scientific Reports (2023)

  5. Article

    Open Access

    Reading on a smartphone affects sigh generation, brain activity, and comprehension

    Electronic devices have become an indispensable part of our daily lives, while their negative aspects have been reported. One disadvantage is that reading comprehension is reduced when reading from an electron...

    Motoyasu Honma, Yuri Masaoka, Natsuko Iizuka, Sayaka Wada in Scientific Reports (2022)

  6. Article

    Open Access

    Cascade process mediated by left hippocampus and left superior frontal gyrus affects relationship between aging and cognitive dysfunction

    Cognitive function declines with age and has been shown to be associated with atrophy in some brain regions, including the prefrontal cortex. However, the details of the relationship between aging and cognitiv...

    Yumika Kokudai, Motoyasu Honma, Yuri Masaoka, Masaki Yoshida in BMC Neuroscience (2021)

  7. Article

    Open Access

    Investigation of the effects of urea cycle amino acids on the expression of ALB and CEBPB in the human hepatocellular carcinoma cell line FLC-4

    Cell lines are powerful tools for research into liver function at the molecular level. However, they are generally unsuitable for rigorously assessing the effects of amino acid composition, because many lines ...

    Takahiko J. Fujimi, Yoshihiro Mezaki, Takahiro Masaki, Ayasa Tajima in Human Cell (2020)

  8. Article

    Open Access

    New Synthesis Route for Complex Borides; Rapid Synthesis of Thermoelectric Yttrium Aluminoboride via Liquid-Phase Assisted Reactive Spark Plasma Sintering

    YxAlyB14 ceramics are of high interest as high temperature thermoelectric materials with excellent p, n control. In this study, direct synthesis of dense polycrystalline YxAlyB14 (x ~0.64, 0.52 ≤ y ≤ 0.67) cerami...

    Hyoung-Won Son, David Berthebaud, Kunio Yubuta, Akira Yoshikawa in Scientific Reports (2020)

  9. No Access

    Article

    Thermoelectric Properties of Nb-Doped SrTiO3/TiO2 Eutectic Solids Fabricated by Unidirectional Solidification

    Undoped and Nb-doped SrTiO3/TiO2 (STO/TO) eutectic solids were fabricated from the melt at a eutectic point of STO and TO by unidirectional solidification. Fabricated undoped and Nb:STO/TO eutectic solids were co...

    Yuui Yokota, Shigeru Horii, Hiraku Ogino, Masao Yoshino in Journal of Electronic Materials (2019)

  10. Article

    Open Access

    Ultrahigh resolution radiation imaging system using an optical fiber structure scintillator plate

    High resolution imaging of radiation is required for such radioisotope distribution measurements as alpha particle detection in nuclear facilities or high energy physics experiments. For this purpose, we devel...

    Seiichi Yamamoto, Kei Kamada, Akira Yoshikawa in Scientific Reports (2018)

  11. No Access

    Article

    Growth and scintillation properties of Eu and Ce doped LiSrI3 single crystals

    In this study, Eu and Ce doped LiSrI3 single crystals were explored and the scintillation performance was reported at the first time. Eu and Ce doped LiSrI3 single crystals were grown by the Bridgman–Stockbarger ...

    Kei Kamada, Masao Yoshino, Rikito Murakami in Journal of Materials Science: Materials in… (2017)

  12. No Access

    Article

    Effects of dopant distribution improvement on optical and scintillation properties for Ce-doped garnet-type single crystals

    Ce-doped garnet-type single crystals with improved dopant distribution were grown by the micro-pulling-down method using a modified Iridium crucible and effects of dopant distribution improvement on the optica...

    Yuui Yokota, Tetsuo Kudo, Yuji Ohashi in Journal of Materials Science: Materials in… (2017)

  13. No Access

    Article

    Growth of LiF/LiBaF3 eutectic scintillator crystals and their optical properties

    Li-containing materials can be applied as neutron scintillators, and LiBaF3 can discriminate neutron and gamma rays. Moreover, LIF/LiBaF3 can have higher cross section of thermal-neutron capture compared with LiB...

    Shunsuke Kurosawa, Akihiro Yamaji, Jan Pejchal, Yuui Yokota in Journal of Materials Science (2017)

  14. Article

    Coupling of dyspnea perception and occurrence of tachypnea during exercise

    During exercise, tidal volume initially contributes to ventilatory responses more than respiratory frequency, and respiratory frequency then increases rapidly while tidal volume stabilizes. Dyspnea intensity i...

    Setsuro Tsukada, Yuri Masaoka, Akira Yoshikawa in The Journal of Physiological Sciences (2017)

  15. Article

    Open Access

    Molecular and serological epidemiology of Japanese encephalitis virus (JEV) in a remote island of western Japan: an implication of JEV migration over the East China Sea

    Japanese encephalitis (JE) is a mosquito-borne infectious disease caused by Japanese encephalitis virus (JEV). About 1–10 cases with severe central nervous system symptoms have been constantly reported every y...

    Akira Yoshikawa, Takeshi Nabeshima, Shingo Inoue in Tropical Medicine and Health (2016)

  16. Article

    Open Access

    Seroepidemiological evidence of severe fever with thrombocytopenia syndrome virus infections in wild boars in Nagasaki, Japan

    Severe fever with thrombocytopenia syndrome (SFTS) is an emerging disease in East Asia. It is thought that the SFTS virus (SFTSV) circulates between ticks and animals in nature and that the virus is transmitte...

    Daisuke Hayasaka, Yu Fuxun, Akira Yoshikawa in Tropical Medicine and Health (2016)

  17. No Access

    Article

    Simulation on Thermocapillary-Driven Drop Coalescence by Hybrid Lattice Boltzmann Method

    A hybrid two-phase model, incorporating lattice Boltzmann method (LBM) and finite difference method (FDM), was developed to investigate the coalescence of two drops during their thermocapillary migration. The ...

    Haiqiong **e, Zhong Zeng, Liangqi Zhang, Yuui Yokota in Microgravity Science and Technology (2016)

  18. No Access

    Article

    PACAP Stimulates Functional Recovery after Spinal Cord Injury through Axonal Regeneration

    Pituitary adenylate cyclase-activating polypeptide (PACAP) is a neuroprotective peptide expressed in the central nervous system. Although many studies have shown a neuroprotective effect of PACAP, the mechanis...

    Masashi Tsuchida, Tomoya Nakamachi, Kouichi Sugiyama in Journal of Molecular Neuroscience (2014)

  19. No Access

    Article

    Polycrystalline Yb3+–Er3+-co-doped YAG: Fabrication, TEM-EDX characterization, spectroscopic properties, and comparison with the single crystal

    Yttrium aluminum garnet (YAG)-based ceramics represent a valuable alternative to single crystals as active media in laser devices for specific applications. In this connection, the 1.5–1.65 µm emission channel...

    Jan Hostaša, Laura Esposito, Annie Malchère in Journal of Materials Research (2014)

  20. No Access

    Article

    PACAP Attenuates NMDA-Induced Retinal Damage in Association with Modulation of the Microglia/Macrophage Status into an Acquired Deactivation Subtype

    Pituitary adenylate cyclase-activating polypeptide (PACAP) has been known as a neuroprotectant agent in several retinal injury models. However, a detailed mechanism of this effect is still not well understood....

    Yoshihiro Wada, Tomoya Nakamachi, Kimi Endo in Journal of Molecular Neuroscience (2013)

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