PBFI AM

$168.00$420.00

PBFI AM is a ratiometric potassium indicator, membrane-permeable.

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Variation SKU Price Quantity Action
Size: 5 x 50 ug
3031G
$168.00
Size: 1 mg
3031B
$420.00
Size: 20 x 50 ug
3031E
$420.00

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SKU: 3031 Categories: , Synonyms: , ,

Specifications

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Product Description

PBFI is a UV-excitable, green ratiometric indicator for intracellular potassium (K⁺) measurements. Ex/Em: 340/505 nm can be used to measure K⁺-bound PBFI, and Ex/Em: 380/505 nm can be used to detect K⁺-free PBFI. It is 1.5X more selective for K⁺ over Na⁺, and works well in cytosolic conditions where [K⁺]/[Na⁺] is ~10. Ratiometry is optimal for imaging applications where quantification of intracellular K⁺ concentrations is desired, and reduces effects of photobleaching, heterogenous dye loading, and variable cell morphology.