This would give doctors a new chemical target in the brain in their effort to develop drugs that fight depression and anxiety in people.

这一发现将为医生提供一种新的大脑化学指标，通过他们的努力将有望开发出治疗人类抑郁症和焦虑症的药物。

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But the oil price hike has also fueled a race to find new sources for chemical intermediates - compounds that are the raw material for many modern plastics, drugs and fuels.

但是，高涨的油价还激发了寻找新的化学中间品来源的竞争——这些化合物是许多现代材料的原料，比如塑料、药品以及燃料等等。

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The new lenses, which slowly release the drugs and hold them in place, could vastly improve treatment, an American Chemical Society conference has heard.

美国化学学会的一次会议上介绍了这种新型的隐形眼镜，它们附在眼球表面，缓慢释放出药物，可以有效改善治疗。

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Dr. Schneider points out that the drug Dimebon bears some chemical similarity to various antidepressants and anti-psychotic drugs that improve behavior.

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Drug companies and researchers are trying to find new drugs to restore the brain's chemical balance -- ones that work more quickly and with fewer side effects than the ones available now.

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The firm develops biocatalysts for use in making drugs as a complement to other chemical and separation technologies.

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