This was not the first time that microbiologists experienced problems with agar. A phenomenon called “The Great Plate Count Anomaly” baffled researchers in the early 20th century when they observed that the number of cells seen under a microscope didn’t match the actual number of colonies growing on an agar plate. Investigating this discrepancy, researchers found agar itself to be the culprit: when nutrient broths are heated with agar during boiling, harmful byproducts (hydroperoxide) can form due to the reaction of agar with phosphate minerals contained in the media. Researchers can avoid this by autoclaving agar separately from the nutrient broth, or by reducing the amount of agar used.
从中长期来看，纯粹押注 AI 颠覆一切的逻辑，和积极拥抱 AI 同时牢牢握住核心数据护城河的行业巨头，是两种截然不同的命运路径。前者的叙事更性感，后者的胜算或许更大。
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2024年12月25日 星期三 新京报