Akiko FURUYAMA Akiko Furuyama heads the Integrated Health Risk Research Section at the National Institute for Environmental Studies (NIES). She received her PhD from the Graduate School of Arts and Sciences at the University of Tokyo, Japan. Her general research interests include elucidating the underlying molecular mechanisms involved in PM2.5-mediated toxicity, developing a cell-based high-throughput screening technique for detecting oxidative stress, and evaluating the health effects of air pollution using laboratory animals. She has examined cell and tissue pathology, and cell biology and matrix biology in humans and laboratory animals to better understand how living cells respond to and function in the presence of inhaled environmental contaminants. Oxidative Stress Induction Ability of Particles Emitting from Agricultural Open Burning in Japan Seishiro HIRANO Seishiro Hirano is a visiting research scientist at the National Institute for Environmental Studies (NIES). After receiving his Bachelor’s and Master’s degrees from the School of Science and Engineering at Waseda University, Japan, he started his career as a toxicological scientist at NIES in 1981. He earned his PhD in Medical Science from the University of Tokyo in 1990. His research interests include: (1) the metabolism and toxicity of arsenic, (2) the interaction of cellular membranes with particulate substances, (3) inflammatory responses of macrophages to nanomaterials and secondary organic aerosols, and (4) the roles of autophagy, inflammasome and phase separation in cells exposed to harmful substances. Akihiro FUSHIMI Akihiro Fushimi is a chief senior researcher at the National Institute for Environmental Studies (NIES). He completed his Ph.D. (Engineering) in Material Engineering at Yokohama National University, Japan. His current research interests include emission/ formation mechanisms and toxicity/health risks of fine particles and nanoparticles emitted from various kinds of sources including vehicles, agricultural open burning and aircraft. To accomplish this he has been developing a sensitive organic analysis method based on techniques such as thermal desorption gas-chromatography/mass spectrometry. Katsumi SAITOH Katsumi Saitoh is a visiting researcher at the National Institute for Environmental Studies (NIES) and heads the Environmental Science Analysis & Research Laboratory (ESAR). He acquired his first PhD, in Medical Science, in 1994 from Akita University, Japan, and his second PhD, in Environmental Science, in 2015 from the University of Shiga Prefecture, Japan. His research interest lies in examining the characteristics of and factors in the generation of atmospheric aerosols containing nanoparticles in terms of elemental and ionic components. He is also developing high-sensitivity analysis, including sampling, for analyzing the elemental composition and ionic content of nanoparticles. apportionment, source effects of air pollution on urban air quality and human health. (Received 4 July 2023, Accepted 26 December 2023) Ayako YOSHINO Ayako Yoshino is a senior researcher at the National Institute for Environmental Studies (NIES). She completed her PhD (Engineering) in Atmospheric Chemistry at the Graduate School of Engineering, Tokyo Metropolitan University, Japan. Her current research interests include the Kei SATO Kei Sato heads the Regional Atmosphere Research Section of the National Institute for Environmental Studies (NIES). He acquired his PhD Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, Japan. His current research interests include laboratory chamber study of the formation and aging mechanisms of secondary organic aerosols from anthropogenic and biogenic volatile organic compounds and field observation of the dynamics of organic aerosols. He also conducts laboratory chamber studies on the mechanisms of photochemical ozone formation. Akinori TAKAMI Akinori Takami is director of the Regional Environment Conservative Division at the National Institute for Environmental Studies (NIES). He completed his D.Phil at the Department of Chemistry, Oxford University (UK). His current research interests include air pollution and its impact on air quality, human health and climate change. He also conducts research on sustainable society design. (in Science) at the 35

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