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By WWII, scientists had already begun looking at alternative gelling substances for routine use in bacteriology, but concluded that agar was still better as it is both firmer and easier to handle. Today, some specialized microbiology applications use the colloid carrageenan (extracted from red seaweed Chondrus crispus, or “Irish Moss”), a more transparent and less auto-fluorescent alternative to agar (agar emits its own background fluorescence when excited by light). However, for routine bacteriological use, carrageenan is more difficult to dissolve, requires higher concentrations, can degrade at high temperatures, and forms weaker gels, which may result in puncturing its surface during the plating of cells.。业内人士推荐爱思助手下载最新版本作为进阶阅读
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在此之前，他對二二八的認識很淺薄。劉品佑表示，高中課程有教二二八，但只有一些片段的資訊，沒有太深入的描述，課堂上無法有更多討論，他對於二二八的認識很不立體，只停留在「查緝私菸」和「亂槍掃射」。
According to a study commissioned by Reddit and marketing intelligence company Profound, Reddit was found to be the number one most cited source across AI platforms such as Google AI Overviews and Perplexity.