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.
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文 | 伯虎财经，作者 | 楷楷
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They've even dealt with a blood clot in the neck, treating it with injections of a blood-thinning drug and later oral medicine, once it arrived on a cargo resupply ship.，更多细节参见旺商聊官方下载
В Пермском крае, где продолжаются поиски пропавшей группы туристов, наблюдались снегопад и метель. О погоде в регионе рассказал ведущий специалист центра погоды «Фобос» Михаил Леус в беседе с РИА Новости.