Evidence map›Paper›PMID 30104610›Full record

ArticleScientific reports2018

Optimising complementary soft tissue synchrotron X-ray microtomography for reversibly-stained central nervous system samples.

Merrick C Strotton, Andrew J Bodey, Kazimir Wanelik, Michele C Darrow, Esau Medina, Carl Hobbs, Christoph Rau, Elizabeth J Bradbury

Abstract read
In one paragraph

Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

24 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Merrick C StrottonKing's College London, Wolfson Centre for Age Related Diseases, Institute of Psychiatry, Psychology & Neuroscience, Guy's Campus, London Bridge, London, SE1 1UL, UK.
Andrew J BodeyDiamond-Manchester Imaging Branchline I13-2, Diamond Light Source, Oxfordshire, OX11 0DE, UK.
Kazimir WanelikDiamond-Manchester Imaging Branchline I13-2, Diamond Light Source, Oxfordshire, OX11 0DE, UK.
Michele C DarrowBeamline B24, Diamond Light Source, Oxfordshire, OX11 0DE, UK.
Esau MedinaKing's College London, Wolfson Centre for Age Related Diseases, Institute of Psychiatry, Psychology & Neuroscience, Guy's Campus, London Bridge, London, SE1 1UL, UK.ORCID 0000-0002-1379-0801
Carl HobbsKing's College London, Wolfson Centre for Age Related Diseases, Institute of Psychiatry, Psychology & Neuroscience, Guy's Campus, London Bridge, London, SE1 1UL, UK.
Christoph RauDiamond-Manchester Imaging Branchline I13-2, Diamond Light Source, Oxfordshire, OX11 0DE, UK.
Elizabeth J BradburyKing's College London, Wolfson Centre for Age Related Diseases, Institute of Psychiatry, Psychology & Neuroscience, Guy's Campus, London Bridge, London, SE1 1UL, UK. elizabeth.bradbury@kcl.ac.uk.

Funding

Medical Research Council G1002055
6 · The paper itself

Abstract

Synchrotron radiation microtomography (SRμCT) is a nominally non-destructive 3D imaging technique which can visualise the internal structures of whole soft tissues. As a multi-stage technique, the cumulative benefits of optimising sample preparation, scanning parameters and signal processing can improve SRμCT imaging efficiency, image quality, accuracy and ultimately, data utility. By evaluating different sample preparations (embedding media, tissue stains), imaging (projection number, propagation distance) and reconstruction (artefact correction, phase retrieval) parameters, a novel methodology (combining reversible iodine stain, wax embedding and inline phase contrast) was optimised for fast (~12 minutes), high-resolution (3.2-4.8 μm diameter capillaries resolved) imaging of the full diameter of a 3.5 mm length of rat spinal cord. White-grey matter macro-features and micro-features such as motoneurons and capillary-level vasculature could then be completely segmented from the imaged volume for analysis through the shallow machine learning SuRVoS Workbench. Imaged spinal cord tissue was preserved for subsequent histology, establishing a complementary SRμCT methodology that can be applied to study spinal cord pathologies or other nervous system tissues such as ganglia, nerves and brain. Further, our 'single-scan iterative downsampling' approach and side-by-side comparisons of mounting options, sample stains and phase contrast parameters should inform efficient, effective future soft tissue SRμCT experiment design.

Indexed as

AnimalsImaging, Three-DimensionalMaleMicroscopy, Phase-ContrastRatsSpinal CordStaining and LabelingSynchrotronsTime FactorsTissue EmbeddingX-Ray Microtomography

Identifiers

PMID30104610
PMCPMC6089931

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.