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.
cost to Microsoft: approximately zero.
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2021年底，据彭博社报道，TA曾与花旗银行合作，考虑在2022年将贡茶进行出售或IPO，当时该业务的估值至少为6亿美元（约合人民币42亿元），但后续并无相关进展。
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