The quenching compounds of the invention are weakly luminescent cyanines that are substituted by one or more heteroaromatic quenching moieties. The quenching compounds of the invention exhibit little or no observable luminescence and efficiently quench a broad spectrum of luminescent compounds. The chemically reactive quenching compounds possess utility for labeling a wide variety of substances, including biomolecules. These labeled substances are highly useful for a variety of energy-transfer assays and applications.
本发明的淬火化合物是一种弱发光的靛烷类化合物,其被一个或多个杂环芳香基团取代。本发明的淬火化合物表现出很少或没有可观察到的发光,并有效地淬灭广谱的发光化合物。这些
化学反应性淬火化合物具有用于标记各种物质(包括
生物分子)的实用性。这些标记物质对于各种能量转移测定和应用非常有用。