Structure and Spectra of Di-8-ANEPPS

  • Absorbance, emission peaks in multilamellar lipid vesicles (MLVs) shown above: 456 nm, 618 nm.
  • Absorbance, emission peaks in ethanol: 500 nm, 721 nm.
  • Recommended excitation range: 510-530 nm (click here for more on how to choose the wavelength).
  • MW: 592.89 g/mol

Unique Packaging for Convenience and Reliability

  • Pre-dried aliquots (solid, solvent removed)
  • Quantity: 100 nmol / tube (59 μg)
  • 2.0-mL free standing polypropylene tubes
    • Sealed cap
    • Individually labeled
    • Bagged with desiccant

Order information

  • See table for pricing
  • Contact sales@potentiometricprobes.com for a quote
  • Minimum order: 20. Price break: 100 tubes
  • Shipping not included
  • Other quantities and formats available upon request
  • Inquire about “Academic Discount” for academic researchers
Di-8-ANEPPS, 100 nmol Pre-dried Aliquot Pricing
Order Quantity (tubes) Price / Tube Order Total ($US)
20 $7.50 $150
100 $6.50 $650
Di-8-ANEPPS, Bulk Pricing
Order Quantity (mg) Price / mg Order Total ($US)
1 $100 $100
5 $80 $400


  1. Hassner, A., D. Birnbaum, and L. M. Loew. 1984. Charge-shift probes of membrane potential. Synthesis. The Journal of Organic Chemistry 49:2546-2551. DOI
  2. Fluhler, E., V. G. Burnham, and L. M. Loew. 1985. Spectra, membrane binding, and potentiometric responses of new charge shift probes. Biochemistry 24:5749-5755. Pubmed 
  3. Lojewska, Z., and L. M. Loew. 1987. Insertion of amphiphilic molecules into membranes is catalyzed by a high molecular weight non-ionic surfactant. Biochim Biophys Acta 899:104-112. Pubmed
  4. Loew, L. M., L. B. Cohen, J. Dix, E. N. Fluhler, V. Montana, G. Salama, and J. Y. Wu. 1992. A naphthyl analog of the aminostyryl pyridinium class of potentiometric membrane dyes shows consistent sensitivity in a variety of tissue, cell, and model membrane preparations. The Journal of membrane biology 130:1-10. Pubmed
  5. Bedlack, R. S., Jr., M. D. Wei, S. H. Fox, E. Gross, and L. M. Loew. 1994. Distinct electric potentials in soma and neurite membranes. Neuron 13:1187-1193. Pubmed
  6. Montana, V., D. L. Farkas, and L. M. Loew. 1989. Dual-wavelength ratiometric fluorescence measurements of membrane potential. Biochemistry 28:4536-4539.  Pubmed
  7. Bedlack, R. S., Jr., M. Wei, and L. M. Loew. 1992. Localized membrane depolarizations and localized calcium influx during electric field-guided neurite growth. Neuron 9:393-403. Pubmed