Maximising imaging volumes of expanded tissues for inverted fluorescence microscopy www.biorxiv.org/content/10.1101/2025.09....
Posts by David Corcoran
I think expansion only "clears" the sample because it dilutes it. E.g. 4x expansion is 4x4x4=64 times dilution. I'm guessing the proteases/heat used in expansion don't contribute much, if at all, to clearing.
Expansion microscopy is sort of like a clearing technique. Also ideal for lightsheets with water dipping objectives as the expanded sample ends up with a similar refractive index to water.
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