Fura-2 LR AM

$150.00

Leakage-resistant, ratiometric calcium (Ca²⁺) indicator, membrane permeable

Clear

SPECIFICATIONS

Excitation:

340  380 nm 

Emission:

505 nm 

Kd:

145 nM

MW:

1132

Solubility:

DMSO

Purity:

>95%
Synonyms: Fura-2 Leakage Resistant, Fura-PE3
Product code: 1mg: 1061B/ 20 x 50ug: 1061E

product description

UV-excitable, ratiometric green indicator for intracellular calcium (Ca²⁺) measurements with longer cellular retention compared to Fura-2 AM and similar spectral properties. Ex/Em: 340/505 nm can be used to measure Ca²⁺-bound Fura-2, and Ex/Em: 380/505 nm can be used to detect Ca²⁺-free Fura-2. Ratiometry is optimal for imaging applications where quantification of intracellular Ca²⁺ concentrations is desired, and reduces effects of photobleaching, heterogenous dye loading, and variable cell morphology.

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