An Experimental Study on the Passage of a colloidal Gold through the Placenta.
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概要
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As the passage of the heterogenous substances, such as bacteria and metal particle, through the placenta were thought for a long time generally very hard, I made an attempt to solve this question with a new colloidal compound.<BR>A certain dose of colloidal gold "Orsol" were divided into several portions and injected in a definite interval into the muscle of the pregnant guinea-pigs in their full stage and then they were killed. The gold in several organs of the foetus and the mothers were extreme finely examined by the method of micro-analysis, originated by Prof. Haber and Prof. Asada.<BR>The results of the e x periments proved the passage of Orsol through the placenta clearly. Gold was found in all of the foetus, and the gold content of the lungs were enormously larger than that of the liver and the other organs, quite different from that of their mothers. Large quantity of gold was found also in the placenta.
- 一般社団法人 日本結核病学会の論文