SPY700-FastAct™

SPY700-FastAct™ is a bright, far red, fluorogenic & non toxic F-actin stain based on our SPY™ dyes series. Its optimized structure allows to label F-actin in live cells with high specificity and low background. The unique and unmatched feature of SPY700-FastAct™ is its ability to label very fast actin dynamics. The probe does not require any genetic manipulation, transfection or overexpression of fluorescent proteins. SPY700-FastAct™ is based on our bright, photostable & far red SPY700 fluorophore which is far superior than fluorescent proteins. SPY700-FastAct™ enables multicolor imaging with SPY505, SPY555, SPY595, SPY650, SiR, GFP or m-cherry. SPY700-FastAct™ can be imaged with standard Cy5 filterset Cy5 filtersets but using a 700nm LP emission filter is best. It can be used for widefield, confocal, SIM or STED imaging in living cells and tissue. Contains 1 vial of SPY700-FastAct™ (lyophilized).

Absorbance maximum λabs: 696 nm
Fluorescence maximum λfl: 718 nm
Works on fixed cells? No
Probe quantity: 100 stainings
Fluorescence lifetime: 2.2 ns
STED depletion wavelength: >800 nm
Shipping: room temperature
Storage: -20°C

Please contact us at for specific academic pricing.