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3D Spatial Distribution of Nanoparticles in Mice Brain Metastases by X-ray Phase-Contrast Tomography

Longo E.
•
Sancey L.
•
Cedola A.
altro
Zeitoun P.
2021
  • journal article

Periodico
FRONTIERS IN ONCOLOGY
Abstract
Characterizing nanoparticles (NPs) distribution in multiple and complex metastases is of fundamental relevance for the development of radiological protocols based on NPs administration. In the literature, there have been advances in monitoring NPs in tissues. However, the lack of 3D information is still an issue. X-ray phase-contrast tomography (XPCT) is a 3D label-free, non-invasive and multi-scale approach allowing imaging anatomical details with high spatial and contrast resolutions. Here an XPCT qualitative study on NPs distribution in a mouse brain model of melanoma metastases injected with gadolinium-based NPs for theranostics is presented. For the first time, XPCT images show the NPs uptake at micrometer resolution over the full brain. Our results revealed a heterogeneous distribution of the NPs inside the melanoma metastases, bridging the gap in spatial resolution between magnetic resonance imaging and histology. Our findings demonstrated that XPCT is a reliable technique for NPs detection and can be considered as an emerging method for the study of NPs distribution in organs.
DOI
10.3389/fonc.2021.554668
WOS
WOS:000658692600001
Archivio
http://hdl.handle.net/11368/2991617
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85107454785
https://www.frontiersin.org/articles/10.3389/fonc.2021.554668/full
Diritti
open access
FVG url
https://arts.units.it/bitstream/11368/2991617/1/2021_LongoEtAl_FrontiersInOncology.pdf
Soggetti
  • 3D visualization

  • brain

  • melanoma metastase

  • nanoparticle

  • synchrotron radiation...

  • X-ray phase-contrast ...

Web of Science© citazioni
4
Data di acquisizione
Mar 24, 2024
Visualizzazioni
2
Data di acquisizione
Apr 19, 2024
Vedi dettagli
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