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Synapto Green

Synapto Green (Ex-Max 473 nm/Em-Max 579 nm)

Synapto Green (FM1-43) from Biotium is a lipophilic dye that intercalates into the cellular membrane and is often used to monitor endocytictic vesicles and membrane recyling. It has an excitation peak at 505 nm and an emission peak at 598 nm.

Excitation & emission spectra

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Key facts

Excitation maximum
473 nm
Emission maximum
598 nm
Optimal laser line
488
Optimal filter
585/42
Molecular weight
608

Synapto Green has an excitation maximum at 473 nm and an emission maximum at 598 nm, a Stokes shift of 125 nm. It is optimally excited by the 488 laser line.

Frequently asked questions

What is Synapto Green?
Synapto Green (FM1-43) from Biotium is a lipophilic dye that intercalates into the cellular membrane and is often used to monitor endocytictic vesicles and membrane recyling. It has an excitation peak at 505 nm and an emission peak at 598 nm.
What laser excites Synapto Green?
Synapto Green is optimally excited by the 488 laser line. Its excitation maximum is 473 nm.
What filter should I use to detect Synapto Green?
A 585/42 filter captures the peak of the Synapto Green emission near 598 nm with minimal spillover.