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BFP anyone?

ronlab ronlab at UIC.EDU
Thu Aug 7 10:53:04 EST 1997


Hi!

I used EBFP that I recloned into retroviral vectors. It gave very bright (but not very stable under UV) 
blue signal that was detectable by microscopy (infected or transfected cells, DAPI filters, CMV and SV40 
promoters) or FACS (transfected cells, CMV promoter). I noticed that EBFP/EGFP double marked cells appear 
to have a peculiar color, but I am still working on a reliable test (filter setup), to unambiguously tell 
them from single infectants or transfectants: there is a great variability in the color and intensity of 
the signal.
My impression is that EBFP works, although not as well as EGFP. My concern about FRET would be that, due 
to rapid BFP bleaching, efficiency of FRET may greatly depend on precise timing of UV irradiation.

Eugene Kandel.
U09577 at uic.edu



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