Highlighted Application

From Yan et al. 2012 (1) Fig. 2B: Guinea pig heart optical mapping using ElectroFluor560TM. Normalized fluorescence intensity maps of Vm at seven progressive time points during ventricular fibrillation.

Structure and Spectra of ElectroFluor560TM

Chemical structure of voltage-sensitive dye Di-4-AN(F)EP(F)PTEA from Potentiometric Probes
Spectra in MLVs of voltage-sensitive dye Di-4-AN(F)EP(F)PTEA from Potentiometric Probes
  • Absorbance, emission peaks in multilamellar lipid vesicles (MLVs) shown above: 465 nm, 638 nm.
  • Spectra available in the Semrock SearchLight spectra viewer
  • Absorbance, emission peaks in ethanol: 506 nm, 600 nm.
  • Recommended single excitation wavelength: 560 nm (more on excitation wavelengths).
  • Compatible with ratiometric voltage imaging
  • Recommended filters: Semrock filters from AVR-Optics (more on filter selection)
  • MW: 697.58 g/mol

Unique Packaging for Convenience and Reliability


  • Pre-dried aliquots (solid, solvent removed)
  • Easy to store and easy to use without refreezing or realiquoting
  • Quantity: 100 nmol / tube (70 μg)
  • 2.0-mL free standing polypropylene tubes
    • Sealed cap
    • Individually labeled
    • Bagged with desiccant
  • “Bulk” aliquots (also solid) also available, see pricing table

Order information

  • Order direct from us, we work with academic and industry labs worldwide
  • Payment options include credit cards, securely processed by Quickbooks
  • Contact sales@potentiometricprobes.com for a quote
  • Minimum order: 10 for domestic orders. Price break: 100 tubes
  • Shipping not included
  • Other quantities and formats available upon request
  • Inquire about “Academic Discount” for academic researchers


ElectroFluor560/Di-4-AN(F)EP(F)PTEA – 100 nmol Pre-dried Aliquot Pricing
Product Number Order Quantity (tubes) Price / Tube Order Total ($US)
31790 10 $25.00 $250
31790 100 $21.00 $2100


ElectroFluor560/Di-4-AN(F)EP(F)PTEA, Bulk Pricing
Product Number Order Quantity (mg) Price / mg Order Total ($US)
31795 1 $225 $225
31796 5 $180 $900



1. Yan, P., C. D. Acker, W. L. Zhou, P. Lee, C. Bollensdorff, A. Negrean, J. Lotti, L. Sacconi, S. D. Antic, P. Kohl, H. D. Mansvelder, F. S. Pavone, and L. M. Loew. 2012. Palette of fluorinated voltage-sensitive hemicyanine dyes. Proceedings of the National Academy of Sciences of the United States of America. Pubmed