Specifications
Excitation:
490 nm 
Emission:
515 nm
Kd:
290 nM
MW:
891 g/mol
Solubility:
H2O
Purity:
>90%
Synonyms: Fluo-2 High Affinity, Fluo-2 HA
Product code: 1mg: 1022B/ 20 x 50ug: 1022E
product description
Fluo-2 is a green fluorescent, calcium (Ca²⁺) indicator. Fluo-2 has higher Ca²⁺ affinity (Kd = 290 nM), superior cell loading and comparable spectral properties compared to Fluo-4. Offers superior sensitivity versus other Fluo analogues at lower Ca²⁺ concentrations.
Fluo-2 K⁺ salt is a membrane impermeable form of Fluo-2 that can be used in lipid membrane-free systems, in liposomes, or can be introduced into cells by electroporation, microinjection or other methods.
documentation
