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Light sheet microscopy with acoustic sample confinement

Yang, Z, Cole, KLH, Qiu, Y, Somorjai, IML, Wijesinghe, P, Nylk, J, Cochran, S, Spalding, GC, Lyons, DA and Dholakia, K (2019) Light sheet microscopy with acoustic sample confinement. Nature Communications, 10 (1). ISSN 2041-1723

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Abstract

Contactless sample confinement would enable a whole host of new studies in developmental biology and neuroscience, in particular, when combined with long-term, wide-field optical imaging. To achieve this goal, we demonstrate a contactless acoustic gradient force trap for sample confinement in light sheet microscopy. Our approach allows the integration of real-time environmentally controlled experiments with wide-field low photo-toxic imaging, which we demonstrate on a variety of marine animal embryos and larvae. To illustrate the key advantages of our approach, we provide quantitative data for the dynamic response of the heartbeat of zebrafish larvae to verapamil and norepinephrine, which are known to affect cardiovascular function. Optical flow analysis allows us to explore the cardiac cycle of the zebrafish and determine the changes in contractile volume within the heart. Overcoming the restrictions of sample immobilisation and mounting can open up a broad range of studies, with real-time drug-based assays and biomechanical analyses.

Item Type: Article
Uncontrolled Keywords: MD Multidisciplinary
Subjects: T Technology > T Technology (General)
Divisions: Electronics and Electrical Engineering
Publisher: Nature Publishing Group
Date Deposited: 12 Feb 2019 10:45
Last Modified: 12 Feb 2019 10:47
DOI or Identification number: 10.1038/s41467-019-08514-5
URI: http://researchonline.ljmu.ac.uk/id/eprint/10148

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