The researchers say their study shows a vaginal gel substance reduced the risk of HIV infection among women who used it.

VOA: special.2010.07.21

That matrix has properties that vary in different locations in the body, but basically it's a highly hydrated or water-rich gel.

这种基质的性质,随其所在身体部位的不同而不同,但基本是高度水合的,即富含水的凝胶

耶鲁公开课 - 生物医学工程探索课程节选

We'll talk about exactly what a gel is later when we talk about biomechanics and cells are suspended within it.

之后当我们谈到生物力学的时候,会具体讲讲这个凝胶是什么,以及细胞是怎样悬浮在其中的

耶鲁公开课 - 生物医学工程探索课程节选

The gel contains tenofovir. This is a common anti-retroviral drug used to treat people with HIV, the virus that causes AIDS.

VOA: special.2010.07.21

This collagen is highly hydrated, it forms a gel that has water-like properties but it also has solid properties.

这些胶原蛋白是高度水合的,形成了既有水的特性,又具有固体特性的胶体

耶鲁公开课 - 生物医学工程探索课程节选

A new study in the journal Nature has shown some hopeful results from an experimental gel that might protect women from H.I.V.

VOA: special.2009.03.16

They're going to move from a negative pole to a positive pole, so they're going to move through this gel.

它们会从负极移向正极,会通过这块凝胶板

耶鲁公开课 - 生物医学工程探索课程节选

Women who used the gel more than eighty percent of the times when they had sex had fifty-four percent fewer HIV infections.

VOA: special.2010.07.21

The extracellular matrix or the collagen gel gives the tissue integrity, and in part, determines its mechanical properties.

细胞外基质或者说胶原蛋白凝胶,使组织成为一个整体,在某种程度上,决定了组织的机械性能

耶鲁公开课 - 生物医学工程探索课程节选

And the study found that the women who used the gel more often had even better results.

VOA: special.2010.07.21

If I can run the gel for some period of time, run the electrical field, spread it out.

我将凝胶通电一段时间后,在电场作用下,就会分散开来

耶鲁公开课 - 生物医学工程探索课程节选

Health experts say the results of the study show that tenofovir gel can empower women.

VOA: special.2010.07.21

We talked last time about extracellular matrix and this complex protein-carbohydrate gel that surrounds all cells.

我们上次谈到过的细胞外基质,是一种蛋白和碳水化合物的复合物胶冻,它环绕在细胞周围

耶鲁公开课 - 生物医学工程探索课程节选

Women who used the tenofovir gel reduced their risk of HIV infection by thirty-nine percent.

VOA: special.2010.07.21

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

耶鲁公开课 - 生物医学工程探索课程节选

However,researchers say they will study why the gel did not protect in all cases.

VOA: special.2010.07.21

Because it's a gel electricity is going to move through the gel because there are ions in it the same way - for the same reason you don't drop an electrical device into the bathtub because charge moves through water that has ions in it.

由于凝胶中存在离子,电流会通过凝胶,同样--,因为同样的原因你不会把电器扔进浴缸里,因为水里也有离子,所以水可以导电

耶鲁公开课 - 生物医学工程探索课程节选

Some scientists say the amount of tenofovir in the gel may be too low.

VOA: special.2010.07.21

If this was a sickle patient, so they had this gene instead it wouldn't get cut and when I went to look for that presence of that gene on this gel, it would appear as one large segment instead of a large one and a smaller one.

而如果是个镰状红细胞贫血的病人,他们的基因是不会被限制酶切割的,因此他们基因的凝胶电泳结果就不会呈现,一大一小的结果,而只有一个大的片段

耶鲁公开课 - 生物医学工程探索课程节选

The scientists say the tenofovir gel was also effective against another sexually spread disease.

VOA: special.2010.07.21

Charge is going to move through this gel and DNA is charged.

电流会通过凝胶而DNA是带有电荷的

耶鲁公开课 - 生物医学工程探索课程节选

The gel reduced the rate of infection of herpes simplex-two by fifty-one percent.

VOA: special.2010.07.21

So the DNA is going to get spread out on this gel according to size, with the small ones going farther and the large ones not going as far.

因此DNA会根据大小,在凝胶上分散开,小的片段会快一些,大的片段不那么快

耶鲁公开课 - 生物医学工程探索课程节选

More studies are needed to know if the gel could work for humans.

VOA: special.2009.03.16

Now if I can stain in some way, if I can somehow label the DNA fragments that I'm interested in, I could find out where those fragments are on this gel.

那如果我有某种染色的方法,对我感兴趣的DNA片段进行标记,我就能知道这些片段在凝胶板上的位置

耶鲁公开课 - 生物医学工程探索课程节选

The other half were given a gel without an active substance.

VOA: special.2010.07.21

We're going to take a chromosomal DNA, we're going to digest it with this restriction enzyme, we're going to put it in this tube and run it on a gel, and we're going to see what results down here.

我们取一条染色体DNA,然后用限制酶进行分解,接着再放,在凝胶上进行电泳,之后看看结果如何

耶鲁公开课 - 生物医学工程探索课程节选

Half were given the gel containing tenofovir.

VOA: special.2010.07.21

The gel is made from glycerol monolaurate.

VOA: special.2009.03.16

Other people saying the treatment programs that have been scaled-up over the last number of years have been the best investments in building health systems, while also dealing with the AIDS epidemic, One of the major announcements expected at the 18th International AIDS conference is about a microbicide gel called CAPRISA 004.

VOA: standard.2010.07.15