Vol.15　No.5　　September, 2004

Contents

Preface
Eco Premium, a new concept of industrial goals……Itaru Yasui　223

Special Issues: Bioassay with Molecular Techniques
Evaluation of Waste Toxicity with Yeast DNA Microarray……Emiko Kitagawa and Hitoshi Iwahashi　225 abst
Bioassay of Dioxins……Hajime Watanabe　232 abst
Potential Application of Molecular Techniques for the Evaluation of Endocrine-disrupting Chemicals in Leachate from Waste Landfill……Hiroshi Ishibashi, Nobuaki Tominaga and Koji Arizono　240 abst
A Transgenic Plant that Detects Estrogenic Activity……Takuto Tojo, Kenichi Tsuda, Tomoko Wada and Ken-ichi Yamazaki　247 abst