**Meet the editors**

Ismail Md. Mofizur Rahman received his Ph.D. degree in 2011 from the Kanazawa University, Japan. He is currently working as an Associate Professor in the Institute of Environmental Radioactivity, Fukushima University, Japan.

Zinnat Ara Begum received her Ph.D. degree in 2012 from the Kanazawa University, Japan. She is currently working as a researcher at the Institute of Environmental Radioactivity, Fukushima University, Japan. She is also affiliated with the Department of Civil Engineering, Southern University, Chittagong, Bangladesh, as an Assistant Professor.

Hiroshi Hasegawa received his D.Sc. Degree in 1997 from the Kyoto University, Japan. He is currently working as a Professor in the Faculty of Chemistry, Institute of Science and Engineering, Kanazawa University, Japan.
