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Four-dimensional in vivo X-ray microscopy with projection-guided gating


Mokso, Rajmund; Schwyn, Daniel A; Walker, Simon M; Doube, Michael; Wicklein, Martina; Müller, Tonya; Stampanoni, Marco; Taylor, Graham K; Krapp, Holger G (2015). Four-dimensional in vivo X-ray microscopy with projection-guided gating. Scientific Reports, 5(8727):online.

Abstract

Visualizing fast micrometer scale internal movements of small animals is a key challenge for functional anatomy, physiology and biomechanics. We combine phase contrast tomographic microscopy (down to 3.3 μm voxel size) with retrospective, projection-based gating (in the order of hundreds of microseconds) to improve the spatiotemporal resolution by an order of magnitude over previous studies. We demonstrate our method by visualizing 20 three-dimensional snapshots through the 150 Hz oscillations of the blowfly flight motor.

Abstract

Visualizing fast micrometer scale internal movements of small animals is a key challenge for functional anatomy, physiology and biomechanics. We combine phase contrast tomographic microscopy (down to 3.3 μm voxel size) with retrospective, projection-based gating (in the order of hundreds of microseconds) to improve the spatiotemporal resolution by an order of magnitude over previous studies. We demonstrate our method by visualizing 20 three-dimensional snapshots through the 150 Hz oscillations of the blowfly flight motor.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Institute of Biomedical Engineering
Dewey Decimal Classification:170 Ethics
610 Medicine & health
Language:English
Date:2015
Deposited On:08 Feb 2016 15:27
Last Modified:07 Aug 2017 00:17
Publisher:Nature Publishing Group
ISSN:2045-2322
Free access at:PubMed ID. An embargo period may apply.
Publisher DOI:https://doi.org/10.1038/srep08727
PubMed ID:25762080

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