ATTO 390

ATTO 390 from ATTO-TEC has an excitation peak at 390 nm and an emission peak at 448 nm. It is a novel fluorescent label with a coumarin structure. Characteristic features of the label are high fluorescence quantum yield, large Stokes-shift, good photo-stability, and low molecular weight. see less ATTO 390 from ATTO-TEC has an excitation peak at 390 nm and an emission peak at 448 nm. It is a novel fluorescent label with a coumarin structure. Characteristic features of the label are high fluorescence quantum yield, large Stokes-shift, good photo-stability, and low molecular weight.