PTI, Photon Technology International, The Fluorescence Solutions Company

The Fluorescence Solutions Company




QuantaMaster™ 800
High Speed Spectrofluorometer

QM-80 Fluorescence Spectrofluorometer Quote
Fluorescence Spectroscopy Brochure
Fluorescence Spectroscopy One Page Flyer


  • Intracellular ion concentrations (Ca++, pH, etc.)
  • FRET
  • Membrane fluidity
  • Beta blockers
  • RNA and DNA
  • Membrane potential
  • Multiple probe experiments
  • Oxidants
  • Steady state fluorometry


Rabbit atruim

Freshly isolated rabbit atrium was stimulated with 90 mM KCL. 2 µM nicardipine was added and returned to normal Tryode medium, followed by the addition of 20 mM caffeine. The Fura-2 excitation ratio signal follows the kinetics of free Ca++ in the tissue.



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