分子伴侣一词最初是指一类在细胞核内介导蛋白和核酸相互作用的生物分子。
The term "molecular chaperone" was originally used to describe a class of biomolecules, which mediate interactions between nuclear acids and proteins in the nucleus.
由于菁染料能与很多生物分子，如蛋白、核酸相互作用，并引起光谱的移动、强度的变化，因而这类染料在生物领域应用极为广泛。
Cyanine dyes can also be applied in biological yields since they can associate with many bio-molecules such as protein or nucleic acid with changes of spectra in wavelength and intensity.
荧光共振能量转移(FRET)技术作为一种高效的光学“分子尺”，在生物大分子相互作用、免疫分析、核酸检测等方面有广泛的应用。
Fluorescence resonance energy transfer (FRET) has broad applications in the study of the interactions of biological macromolecules, immunoassay, nucleic acid detection and so on.
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