Fluorescent microscopy uses the emissions of fluorescently labelled probes to generate an image.

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Could the proteome of E. coli be fluorescently labelled?

What proportion of the total number of proteins in E. coli could be fluorescently labelled for PALM/STORM imaging?
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Does methanol fixation deform cultured cells?

I use methanol fixation (@ -20⁰C for 10 minutes) when performing immunofluorescence assays on cultured cells. Generally speaking, this results in very good antibody staining. However, the cells tend ...
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How to prevent e coli from clumping (for FACS)?

I'm performing FACS on e coli, but the cells are clumping together so each event is multiple cells. I ran a control where I had one flask of e coli expressing GFP, and one flask expressing RFP. Run ...
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Removal of the Initial Methionine in Venus for FRET

I'm working on building some FRET reporters. In addition to a cleavage site (of varying composition from 15-18AA), a 1 AA linker, I'm using Venus and Cerulean. Initially I was worried that 18AA ...