3D-imaging of thick tissue sections

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Joe Joe
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3D-imaging of thick tissue sections

Dear list,

I would like to take a 3D view of the branchial arches of 9.5 and 10.5 dpc mouse embryos. I would need to look approximately 400um into the tissue with three Alexa-conjugated fluorophores + DAPI.

My immunofluorescence protocol works with cryosections and I can cut at pretty much any thickness through the tissue.  The confocal microscope I have access to is the Leica TCS SP2.

So, my questions are:

1)  What is the maximum depth of a z-stack that can be imaged on this type of system?
2)  If I take thick cryosections (say around 100um), and image them individually would I be able to assemble a "stack of stacks" from the resulting data and generate a single, 3D view?
3)  More generally does anyone have any tips on how to approach such an imaging task?

Many thanks,

Joe