Re: fluorescence quenching

From: Alice L. Givan (Alice.L.Givan@Dartmouth.EDU)
Date: Thu Feb 02 1995 - 16:45:30 EST


Read an article in a recent issue of Cytometry (17:294) by Amersfoort and
Strijp -- about  how different brands of Trypan Blue quench more or less
efficiently (Merck was best).  This explained to me why I  wasn't able to
quench FITC fluorescence well -- even with Trypan blue as thick as sludge.

We did have good luck quenching with an anti-FITC antibody from Molecular
Probes (an expensive way to go,  if Merck TB would do just as well....). 
Haven't tried it with beads.
Alice Givan
Englert Cell Analysis Laboratory
Dartmouth Medical School
Lebanon,  NH, USA
tel 603-650-7907


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