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Yuliya Koudryashova, Tatiana Chizhova, Mutsuo Inoue, Kazuichi Hayakawa, Seiya Nagao, Evgeniya Marina and Rodrigo Mundo
A vertical pattern of fractionated polycyclic aromatic hydrocarbons (PAH) was studied in the Japan Basin in the Sea of Japan. The highest PAH concentration was found in the mesopelagic realm, possibly resulting from deep convection and/or subduction of i...
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Kazuichi Hayakawa
Nitropolycyclic aromatic hydrocarbons (NPAHs) are derivatives of PAHs and contain one or more nitro functional groups (-NO2). Some NPAHs are classified as possible or probable human carcinogens and are more mutagenic than PAHs. Although the atmospheric c...
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Hiroshi Odajima, Hiroshi Matsuzaki, Yuko Akamine, Kaoru Kojima, Yoko Murakami, Ayako Yoshino, Akinori Takami, Kazuichi Hayakawa, Akinori Hara and Hiroyuki Nakamura
Few studies have examined the efficacy of masks in preventing the effects of ionic components of air pollution on health. The results of this study should serve as a base for future research.
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