 Research at the Sasaki Institute covers a wide variety of biomedical fields, including biochemistry, cell biology, pathology, and oncology.Among these research areas, one notable work was "Induction of hepatic cancer in rats by o-aminoazotoluene, one of the azo dyes".This study, published in 1932 by Takaoki Sasaki and Tomizo Yoshida, was the first scientific report in the world on a successful method for induction of cancer in animal organs by feeding chemicals.