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Probing neural tissue with airy light-sheet microscopy : investigation of imaging performance at depth within turbid media

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Nylk_2019_Probing_neural_tissue_SPIE_100700B.pdf (599.6Kb)
Date
17/02/2017
Author
Nylk, Jonathan
McCluskey, Kaley
Aggarwal, Sanya
Tello, Javier A.
Dholakia, Kishan
Keywords
Light-sheet microscopy
LSM
Airy beam
Tissue imaging
Turbid media
Neuroscience
QC Physics
QH301 Biology
RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
Biomaterials
Electronic, Optical and Magnetic Materials
Radiology Nuclear Medicine and imaging
Atomic and Molecular Physics, and Optics
NS
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Abstract
Light-sheet microscopy (LSM) has received great interest for fluorescent imaging applications in biomedicine as it facilitates three-dimensional visualisation of large sample volumes with high spatiotemporal resolution whilst minimising irradiation of, and photo-damage to the specimen. Despite these advantages, LSM can only visualize superficial layers of turbid tissues, such as mammalian neural tissue. Propagation-invariant light modes have played a key role in the development of high-resolution LSM techniques as they overcome the natural divergence of a Gaussian beam, enabling uniform and thin light-sheets over large distances. Most notably, Bessel and Airy beam-based light-sheet imaging modalities have been demonstrated. In the single-photon excitation regime and in lightly scattering specimens, Airy-LSM has given competitive performance with advanced Bessel-LSM techniques. Airy and Bessel beams share the property of self-healing, the ability of the beam to regenerate its transverse beam profile after propagation around an obstacle. Bessel-LSM techniques have been shown to increase the penetration-depth of the illumination into turbid specimens but this effect has been understudied in biologically relevant tissues, particularly for Airy beams. It is expected that Airy-LSM will give a similar enhancement over Gaussian-LSM. In this paper, we report on the comparison of Airy-LSM and Gaussian-LSM imaging modalities within cleared and non-cleared mouse brain tissue. In particular, we examine image quality versus tissue depth by quantitative spatial Fourier analysis of neural structures in virally transduced fluorescent tissue sections, showing a three-fold enhancement at 50 μm depth into non-cleared tissue with Airy-LSM. Complimentary analysis is performed by resolution measurements in bead-injected tissue sections.
Citation
Nylk , J , McCluskey , K , Aggarwal , S , Tello , J A & Dholakia , K 2017 , Probing neural tissue with airy light-sheet microscopy : investigation of imaging performance at depth within turbid media . in T G Brown , C J Cogswell & T Wilson (eds) , Three-Dimensional and Multidimensional Microscopy : Image Acquisition and Processing XXIV . , 100700B , Proceedings of SPIE , vol. 10070 , SPIE , pp. 1-7 , Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXIV 2017 , San Francisco , California , United States , 30/01/17 . https://doi.org/10.1117/12.2251921
 
conference
 
Publication
Three-Dimensional and Multidimensional Microscopy
DOI
https://doi.org/10.1117/12.2251921
ISSN
1605-7422
Type
Conference item
Rights
Copyright © 2017 SPIE. This work has been made available online in accordance with publisher policies or with permission. Permission for further reuse of this content should be sought from the publisher or the rights holder. This is the final published version of the work, which was originally published at https://doi.org/10.1117/12.2251921
Description
Funding: UK Engineering and Physical Sciences Research Council under grant EP/J01771X/1 (KD), the 'BRAINS' 600th anniversary appeal, and Dr. E. Killick; The Northwood Trust and The RS Macdonald Charitable Trust (JAT); Royal Society Leverhulme Trust Senior Fellowship (KD).
Collections
  • University of St Andrews Research
URI
http://hdl.handle.net/10023/18933

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