在他们的试验中，化学家能够开发出可以选择性地与蛋白质结合的合成酶，并进行标记，以便让生物学家能识别它们。

In their tests, the chemists were able to develop synthetic enzymes that could selectively bind with proteins and attach tags that would allow biologists to identify them.

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设计合成了含有活性基-羧基、氨基、羟基的尼罗红和尼罗兰衍生物，用来标记生物分子。

Nile red and Nile blue derivatives with carboxyl or amino or hydroxyl group were synthesized, which were used to tag biological molecules.

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