a1 Laboratory of Biometabolic Chemistry, School of Health Sciences, University of the Ryukyus, Nishihara, Okinawa 903-0215, Japan.
a2 Department of Electrical and Electronic Engineering, Faculty of Science and Engineering, Saga University, Saga-city, Saga, 840-8502, Japan.
a3 NGK Insulators, Mizuho-ku, Nagoya 467-8530, Japan.
a4 Faculty of Science and Engineering, Chuo University, Bunkyo-ku, Tokyo 112-8551, Japan.
Using a N2 gas plasma apparatus (BLP-TES, NGK Insulators, Ltd), we showed that N2 gas plasma treatment of influenza A virus caused degradation of viral nucleoproteins. These findings suggest that N2 gas plasma treatment may contribute to infection prevention control for influenza.