Российские ученые разработали способ отслеживать загрязнение водоемов по активности белков в печени рыб. Об этом говорится в статье, опубликованной в журнале Veterinary Sciences.
12:49, 27 февраля 2026Силовые структуры
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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.
有分析稱，北京視歐洲為「自信合作夥伴」而非純粹「朋友」或「敵友」：一方面利用跨大西洋裂痕拉攏歐洲，另一方面在貿易、科技領域保持強勢姿態，透過高水平開放與市場准入談判，鞏固全球貿易主導地位，與美國抗衡。，推荐阅读爱思助手下载最新版本获取更多信息