With an activated receptor, the second dye will be attached nearby and so will absorb some of the energy given off by the first.

受体被激活之后，第二个燃料分子将被粘附在前者周围，如此一来它将吸收到第一个燃料分子释放出来的能量。

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For example, in our sinuses, there are millions of receptor proteins that detect different odor molecules by switching from an 'off state' to an 'on state.

比如，鼻窦就有几百万个检测不同气味分子的受体蛋白，可实现从‘关闭状态’到‘开启状态’的转换。

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Use of single-ligand formulations led to a reduction in viability (increased toxicity) not only in target KB cells but also in off-target cells with the targeted receptor available.

使用单配体配方不仅会导致靶向KB细胞活性的减少（增强了毒性），同时也使含有靶向受体的非靶向细胞活性降低。

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For example, a recent study by researchers at the University of Pennsylvania and the Monell Center showed that supertasters were better able to fend off bacterial sinus infections because of a particular bitter-taste receptor in their nose.

WSJ: People Who Taste Too Much