Na+ Indicator Probes
SBFI-AM
- Formula: C56H58N2O23
- Molecular Weight: 1127.06
SBFI-AM is a Na+ selective fluorescent indicator. SBFI-AM shows selectivity for Na+ over K+ with Kd values of 6.7 and 166 mM, respectively (Ex = 340/380 nm; Em = 500 nm).
SBFI tetraammonium
- Formula: C44H54N6O15
- Molecular Weight: 906.93
SBFI (tetraammonium), the tetraammonium salt of SBFI, is a cell-impermeant sodium fluorescence indicator. SBFI (tetraammonium) is sodium-sensitive dye. The excitation wavelength is set 333 nm, and the emission wavelength is 539 nm for SBFI.
