Possible Link between Nitrous Acid and Asthma Induced by Fine Particles

Masayuki Ohyama^1*, Norimichi Takenaka² and Hiroshi Bandow²

¹Department of Environmental Health, Osaka Prefectural Institute of Public Health, Japan

²Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, Japan

^*Corresponding Author: Masayuki Ohyama, Department of Environmental Health, Osaka Prefectural Institute of Public Health, 1-3-69, Nakamichi, Higashinari-ku, Osaka 537-0025, Japan, Tel: +81-6-6972-1321, Fax: +81-6-6972-2393 Email: