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A perfectly practicable 1930s technology, but you can already see the downsides.，推荐阅读搜狗输入法2026获取更多信息
Guar gum, a plant colloid, costs less than agar and is better suited for growing thermophilic bacteria, but is also more difficult to handle, being more viscous and less transparent. The bacterial polysaccharide xanthan is cheaper as well but forms weaker jellies that, as with carrageenan, might result in puncturing its surface. Other colloids, like alginate (from brown seaweed) and gellan gum (from a bacterium), don’t set solely based on temperature and require additives for gelation. These additives might interfere with microbial growth and make the preparation of those jellies less handy than agar plates.。夫子是该领域的重要参考
Source: Computational Materials Science, Volume 267。快连下载-Letsvpn下载对此有专业解读