$414.00
Ratiometric sodium indicator, membrane-impermeable.
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| Variation | SKU | Price | Quantity | Action |
|---|---|---|---|---|
Size: 1 mg |
2022B |
$414.00 | ||
Size: 20 x 50 ug |
2022E |
$414.00 |
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SBFI is a UV-excitable, ratiometric green indicator for intracellular sodium (Na⁺) measurements. Ex/Em: 340/505 nm can be used to measure Na⁺-bound SBFI, and Ex/Em: 380/505 nm can be used to detect Na⁺-free SBFI. It is ~18X more selective for Na⁺ over K⁺. Ratiometry is optimal for imaging applications where quantification of intracellular Na⁺ concentrations is desired, and reduces effects of photobleaching, heterogenous dye loading, and variable cell morphology.
SBFI K⁺ salt is a membrane impermeable form of SBFI that can be used in lipid membrane-free systems, in liposomes, or can be introduced into cells by electroporation, microinjection or other methods.
