Before agar, microbiologists had experimented with other foodstuffs as microbial media. They turned to substances rich in the starches, proteins, sugars, fats, and minerals that organisms need for growth, testing with broths, bread, potatoes, polenta, egg whites, coagulated blood serums, and gelatine. However, none worked particularly well: all were easily broken down by heat and microbial enzymes, and their surface, once colonized, became mushy and unsuitable for isolating microbes.
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在无创血糖仪前，白俄罗斯驻上海总领事舍甫琴柯·亚历山大饶有兴致地体验了测量。用酒精消毒右手大鱼际，然后将手伸入仪器，短短两三分钟，屏幕上随即显示了两次测量结果并提供相应生活建议。他身旁的白俄罗斯驻华大使切尔维亚科夫不停追问：“检测原理是什么？采购价格是多少？对医护人员有何要求？”并当场索要了瑞金团队发表在《自然—代谢》杂志上的科学论文。，这一点在im钱包官方下载中也有详细论述
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