Atto Rho12 is a new rhodamine dye for application in life sciences, e.g. labelling of DNA, RNA or proteins. The label shows strong absorption, high fluorescence quantum yield, and high photostability. After coupling to a substrate Atto Rho12carries a net electrical charge of +1. The dye is moderately hydrophilic. Atto Rho12consists of a mixture of three isomers with practically identical absorption and fluorescence properties.
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