It is difficult to know exactly when the shift from gelatine to agar occurred. As often happens for scientific breakthroughs, agar was likely adopted incrementally alongside the use of other growth media. In 1913, for example, the first diagnosis of Serratia marcescens as a human pathogen was made by growing it on agar as well as on potatoes.
Sketches of Japanese algae, by Kintaro Okamura (1913).
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Мир Российская Премьер-лига|19-й тур
清晨7点,潮白河大桥上车流不息。家住河北省廊坊市大厂回族自治县、在北京市上班的李彤晖驶上厂通路,约40分钟后抵达单位。“以前上班得绕行武兴路或走京哈高速,不仅远,交通高峰期还特别堵。”李彤晖说,自从厂通路通车后,通勤时间缩短了近半小时。