HAYASHI

HAYASHI Haruo (Haruo Hayashi; born in 1874), professor at the university in Tokyo. Graduated in 1897 from the medical faculty of Tokyo University. In 1905, he took up the professorship of pharmacology at Kyushu, and in 1908 he moved to the chair at Tokyo University. Among his scientific works, the most important relate to determining the chemical nature of tetanus toxin, andromedotoxin, to the study of the action of cyclic isoximes, to the study of the composition of wheat bran; Hayashi studied the action of phosphorus, conducted studies on substances of the thyroid gland, the function of endocrine glands and the influence of their secretions on the body. In Hayashi's institute, a large number of various questions are studied: pharmacodynamics of selenium aromatic compounds, the effect of thallium on the function of sex organs, the causes of paralysis of respiration from coniine and hydrocyanic acid, pharmacological properties and composition of some folk medicinal plants used in Japan or China, the value of foxglove leaves and galenic preparations from foxglove, the diuretic action of foxglove, kidney function, perspiration (agaricic acid), the mechanism of excretion of medicinal substances by urine (atophan) and many others.