Optical properties

  • λ abs = 390 nm
  • ε max = 2.4×104 M -1 cm -1
  • λ fl = 476 nm
  • n fl = 90 %
  • τ fl = 5.0 ns
  • CF 260 = ε 260max = 0.46
  • CF 280 = ε 280 / ε max = 0.09

ATTO 390 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. ATTO 390 is moderately hydrophilic. Its fluorescence can be excited efficiently in the range 360 - 410 nm. A useful excitation source is, e.g., a Mercury Arc Lamp with its lines at 365 nm and 405 nm.

ATTO 390

ATTO 390 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. ATTO 390 is moderately hydrophilic. Its fluorescence can be excited efficiently in the range 360 - 410 nm. A useful excitation source is, e.g., a Mercury Arc Lamp with its lines at 365 nm and 405 nm.

Fields of Application

Life Science Research

Leica Microsystems’ life science research microscopes support the imaging needs of the scientific community with advanced innovation and technical expertise for the visualization, measurement and…
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