A5061028833- Pharmaceutical studies and practices
- Neural dynamics and brain function
- Neuroscience and Music Perception
- Advanced Fiber Laser Technologies
- Advanced Optimization Algorithms Research
- Risk and Portfolio Optimization
- Photonic Crystal and Fiber Optics
- Cultural Heritage Materials Analysis
- Game Theory and Applications
- Epilepsy research and treatment
- Mental Health Research Topics
- DNA Repair Mechanisms
- X-ray Spectroscopy and Fluorescence Analysis
- Advanced Control Systems Optimization
- Carcinogens and Genotoxicity Assessment
- Schizophrenia research and treatment
- Advanced biosensing and bioanalysis techniques
- Optimization and Variational Analysis
- Mineralogy and Gemology Studies
- Pigment Synthesis and Properties
- Optical Network Technologies
- Solid State Laser Technologies
- Analog and Mixed-Signal Circuit Design
- Image Processing and 3D Reconstruction
- Conservation Techniques and Studies
The University of Tokyo
2023-2024
BoZo Research Center (Japan)
2021
Fujikura (Japan)
2018-2020
National Epilepsy Center
2020
Keio University
2016
Kyoto University
2007-2012
Abstract In this research, we succeeded in controlling the light-emitting color obtained from surface of an organic electrochemiluminescence (ECL) device with a duty ratio applied voltage. The change was based on absorption light by layer. Because were able to control relative quantities each electrode changing ratio. Long lifetime will be expected future, because material used poly(3-hexylthiophene-2,5-diyl) (P3HT), conductive polymer. We fabricated ECL layer thickness 25.0 µm. device,...
Adolescence is a critical period for psychological difficulties. Auditory mismatch negativity (MMN) and gamma-band auditory steady-state response (ASSR) are representative electrophysiological indices that mature during adolescence. However, the longitudinal association between MMN/ASSR difficulties among adolescents remains unclear. We measured MMN amplitude duration frequency changes ASSR twice in subsample (n = 67, mean age 13.4 16.1 years, respectively) from large-scale population-based...
This study demonstrates that phosphorus-related radiation-induced absorption (RIA) bands such as P-OHC and P1 in erbium/ytterbium-doped optical fibers (EYDFs) are effectively decreased by germanium (Ge) co-doping. The suppression of the generation both during X-ray irradiation glass preforms gamma-ray was measured for Ge concentrations between 0 wt% 6.7 wt%. For 10 krad preforms, it found RIA from 5.6 dB/cm to 1.3 when concentration increased 0.79 more than 4.4 Furthermore, multimode (MMFs)...
Abstract The gamma-band auditory steady-state response (ASSR), primarily generated from the cortex, has received substantial attention as a potential brain marker indicating pathophysiology of schizophrenia. Previous studies have shown reduced ASSR in patients with schizophrenia and demonstrated correlations impaired neurocognition psychosocial functioning. Recent clinical healthy populations suggested that neural substrates may be distributed throughout cortices surrounding especially right...
Erbium (Er)- and Ytterbium (Yb)-doped optical fibers (EYDFs) have been used in various industrial fields as the only technology suitable for >1 W high-power amplifiers 1550-nm band. The output power is mainly limited by unwanted 1-μm band amplified spontaneous emissions from excited Yb <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3+</sup> ; however, factors affecting performance remain unclear. Here, we quantitatively systematically reveal...
Abstract Background Conflicting results between bacterial mutagenicity tests (the Ames test) and mammalian carcinogenicity might be due to species differences in metabolism, genome structure, DNA repair systems. Mutagenicity assays using human cells are thought an advantage as follow-up studies for positive tests. In this collaborative study, a thymidine kinase gene mutation study (TK6 assay) lymphoblastoid TK6 cells, established OECD TG490, was used examine 10 chemicals that have...
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