2019
DOI: 10.1101/605493
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Light-sheet microscopy with isotropic, sub-micron resolution and solvent-independent large-scale imaging

Abstract: We present cleared tissue Axially Swept Light-Sheet Microscopy (ctASLM), which achieves sub-micron isotropic resolution, high optical sectioning capability, and large field of view imaging (870×870 µm 2 ) over a broad range of immersion media. ctASLM can image live, expanded, and both aqueous and organic chemically cleared tissue preparations and provides 2-to 5-fold better axial resolution than confocal or other reported cleared tissue light-sheet microscopes. We image millimeter-sized tissues with sub-micron… Show more

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Cited by 6 publications
(4 citation statements)
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“…Furthermore, we demonstrate a method for dual-view registration and deconvolution of images after remapping into an inverted RGB colorspace to simulate the appearance of brightfield H&E images. It should be mentioned that isotropic resolution can also be achieved by axially swept light sheet microscopy (ASLM) without the need of deconvolution [37,38]. ASLM leverages axial sweeping of a scanned light sheet, with only signals excited by the diffraction-limited beam waist area being collected via an electronic confocal slit detection scheme, and with the axial resolution being mainly dependent on how thin the illumination beam waist is.…”
Section: Discussionmentioning
confidence: 99%
“…Furthermore, we demonstrate a method for dual-view registration and deconvolution of images after remapping into an inverted RGB colorspace to simulate the appearance of brightfield H&E images. It should be mentioned that isotropic resolution can also be achieved by axially swept light sheet microscopy (ASLM) without the need of deconvolution [37,38]. ASLM leverages axial sweeping of a scanned light sheet, with only signals excited by the diffraction-limited beam waist area being collected via an electronic confocal slit detection scheme, and with the axial resolution being mainly dependent on how thin the illumination beam waist is.…”
Section: Discussionmentioning
confidence: 99%
“…Furthermore, several post-acquisition image processing techniques have been made accessible to microscopists in open source software platforms such as MATLAB and Im-ageJ (also known as Fiji). Image deblurring is performed via deconvolution using an optical system point spread function (PSF), obtained from imaging diffraction-limited beads embedded in agar-or resin-based embedding media [85,91]. Isotropic image contrast across an attenuated FOV is restored using intensity thresholding techniques such as histogram equalization or nonlinear haze removal [60].…”
Section: Light Sheet Modality Considerationsmentioning
confidence: 99%
“…Among these methods, the SLM is the most practical beam shaper, because it offers a versatile application for beam shaping as well as beam aberration correction and beam aperture controlling simultaneously with the tiling technique [15]. All of these approaches were successfully applied to the basic configuration of the SPIM with two or three objective lenses [10,11,13,14,[16][17][18][19][20][21] to imaging a small transparent specimen or cleared fixed sample, but are not optimized for high resolution whole functional imaging of an opaque live sample. This analysis revealed the temporal sequence of dynamic MyoII-GFP localization in distinct morphogenetic movements during gastrulation in the Drosophila embryo.…”
Section: Introductionmentioning
confidence: 99%