Faculty and research guide

Laboratory of Environmental Science

Yasuji Kamaya, Hiromu Watanabe

Research efforts in this laboratory are focused on the evaluation and reduction of impacts of harmful chemical contaminants in our indoor and aquatic environments, through the following two study fields: indoor air quality and aquatic ecotoxicology.

Indoor air quality (volatile organic compounds (VOCs) in indoor air)
We measure the concentration of VOCs, including formaldehyde, which cause sick building syndrome in houses and offices, and we find out what’s really happening. We have found a way to adsorb VOCs like formaldehyde using carbon derived from biomass, and are exploring the possibility of reducing VOC concentrations in buildings.

Aquatic Ecotoxicology
Aquatic environment is a main sink for most pollutants, and understanding their environmental fate and toxic effects is necessary to evaluate, manage, and reduce their probable risk to aquatic life as well as human health.
The research in this field is ecotoxicological characterization of organic contaminants by bioassay methods using aquatic organisms such as green algae and waterflea. Furthermore, laboratory studies are made on the photochemical transformation processes of compounds concerned and the ecotoxicological characterization of their estimated intermediates.

 

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