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

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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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background extraction in microscope analysis

I have taken microscope pictures for proteins in HeLa cells, in order to quantify the intensity (immunofluorescence). The proteins are both at the nuclear envelope, and in order to quantify the ...
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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 ...
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Possible to remove accumulated haze on fluorescence interference filters?

I have a few different fluorescent microscopes, the two that use Mercury lamps are older than 7 years. I notice on those that the thin film filters in the filter cubes (green, red, blue) have ...