Tissue optimization strategies for high-quality ex vivo diffusion imaging.
SNR efficiency
diffusion MRI
ex vivo
fixed tissue preparation
high resolution
tractography
Journal
NMR in biomedicine
ISSN: 1099-1492
Titre abrégé: NMR Biomed
Pays: England
ID NLM: 8915233
Informations de publication
Date de publication:
03 2023
03 2023
Historique:
revised:
09
09
2022
received:
13
01
2022
accepted:
03
10
2022
pubmed:
3
11
2022
medline:
7
2
2023
entrez:
2
11
2022
Statut:
ppublish
Résumé
Ex vivo diffusion imaging can be used to study healthy and pathological tissue microstructure in the rodent brain with high resolution, providing a link between in vivo MRI and ex vivo microscopy techniques. Major challenges for the successful acquisition of ex vivo diffusion imaging data however are changes in the relaxivity and diffusivity of brain tissue following perfusion fixation. In this study we address this question by examining the combined effects of tissue preparation factors that influence signal-to-noise ratio (SNR) and consequently image quality, including fixative concentration, contrast agent concentration and tissue rehydration time. We present an optimization strategy combining these factors to manipulate the
Identifiants
pubmed: 36321360
doi: 10.1002/nbm.4866
pmc: PMC10078604
doi:
Substances chimiques
Fixatives
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
e4866Subventions
Organisme : Medical Research Council
ID : MR/N026063/1
Pays : United Kingdom
Organisme : Wellcome Trust
Pays : United Kingdom
Informations de copyright
© 2022 The Authors. NMR in Biomedicine published by John Wiley & Sons Ltd.
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