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If you make Jell-o and you make it right, then once it's set or gelled, it has mechanical properties.
如果你用正确方法做出了吉露果冻,它一旦凉下来定了型,就有了机械性能
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Jell-o is just a hydrated solution of collagen and it contains a lot of water.
吉露果冻就是一种水合的胶原蛋白溶液,它含水极多
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A piece of Jell-o has probably 99% water in it, but it has a shape.
一块果冻里可能99%都是水,但它有固定形状
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You load them into the top of a gel and a gel is - in this case it's synthetic polymer gel but it looks very much like Jell-O.
你把它安置在一段凝胶上,凝胶是--,这种合成凝胶聚合物看上去很像吉露果冻
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Now you apply electrical charge across that Jell-O.
然后在"果冻"两边加上电压
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Anybody's mother make Jell-o with fruit in it?
有谁的妈妈也做过这种果冻么
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Everybody knows what Jell-o is, right?
每个人都知道吉露果冻,对吧
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Because of this my mother used to make Jell-o that had fruit suspended in it, and the fruit doesn't sink to the bottom like you'd expect it to sink through water, but it stays suspended inside.
正因为如此,当我母亲以前做,那种加水果的果冻的时候,水果并不会沉到果冻底部来,你以为它会像在水里那样,但水果是悬在果冻里的
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You know what Jell-o is?
你们都知道吉露果冻吧
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I'm sure some of you have dealt with electrophoresis gels in the past and it's really just a slab of something like Jell-O where you can put a sample at one end of the Jell-O, your sample of fragmented DNA.
我相信在座肯定有些已经接触过电泳凝胶,真的挺像一块板状果冻的,你可以把一段样本放在"果冻"的一端,你的DNA片段样本
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