Super-resolved live imaging of thick biological samples with 3D Random Illumination Microscopy (3D-RIM)
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Super-resolved volume imaging of thick, live specimens is greatly hampered by sample induced aberrations and out-of-focus fluorescence. In this work, using a combination of speckled illuminations, three-dimensional photon reassignement and variance processing, we obtained volume images with super-resolution (110 nm transverse, 270 nm axial) on thin samples and maintained a high contrast and high resolution level throughout tens of microns of highly aberrant tissues and up to hundreds of microns in collagen scaffolds.
