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It’s also worth noting that even if alternatives superior to agar were found, scientists are reluctant to abandon established protocols (even when microbiologists do use other jellies, they often still add agar to the mix, for example, to increase the gel strength of the solid media). As agar has been the standard gelling agent in microbiology for around 150 years, an enormous infrastructure of standardized methods, reference values, and quality control procedures has emerged around its specific properties. Switching to a different medium (even a superior one) means results may not be directly comparable to decades of published literature or to other laboratories’ findings.,推荐阅读旺商聊官方下载获取更多信息
美股三大指数收盘涨跌不一,英伟达跌超5%,市值蒸发1.77万亿元。关于这个话题,51吃瓜提供了深入分析
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