Fluo-4 AM

Fluo-4 stock
Invitrogen F14217 500 µL

Calcium indicator (fluoresces when bound to Calcium ions)

Ex 494 nm; Em 516 nm

1mM in DMSO
Protect from light
Store in dissicator.
20 µL aliquots. Each makes 10 mL of 2 µM solution

Fluo-4 staining solution
2 µM Fluo-4 + 0.02% pluronic in HBS

Incubate 15 - 60 min at 20 - 37C. Wash before viewing.

20 % w/v Pluoronic

plus HBS to final volume

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