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.
第四十六条 仲裁员有下列情形之一的，必须回避，当事人也有权提出回避申请：
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Javier Milei’s boosters say law will revive employment, but critics decry cuts to severance and longer working hours