The invention describes the preparation and use of fluorescent stains for nucleic acids derived from unsymmetrical cyanine dyes. In particular, the invention describes unsymmetrical cyanine dyes having a saturated or unsaturated cyclic substituent. The dyes of the invention possess superior fluorescent characteristics when complexed with nucleic acids, and have utility in any application which requires detection of nucleic acids. The presence of the cyclic substituent results in improved permeability in a wide range of living cells, resulting in improved detection of intracellular nucleic acids.
该发明描述了从不对称青光菌素
染料派生的核酸荧光
染料的制备和使用。特别是,该发明描述了具有饱和或不饱和环状取代基的不对称青光菌素
染料。该发明的
染料在与核酸结合时具有优越的荧光特性,并在需要检测核酸的任何应用中有用。环状取代基的存在导致在广泛的活细胞中改善了渗透性,从而改善了细胞内核酸的检测。