Hand-held electron spin resonance scanner for subcutaneous oximetry using OxyChip.
OxyChip
compact magnet
oximetry
pulsed ESR
tissue pO2
Journal
Magnetic resonance in medicine
ISSN: 1522-2594
Titre abrégé: Magn Reson Med
Pays: United States
ID NLM: 8505245
Informations de publication
Date de publication:
27 Feb 2024
27 Feb 2024
Historique:
revised:
07
02
2024
received:
05
01
2024
accepted:
08
02
2024
medline:
27
2
2024
pubmed:
27
2
2024
entrez:
27
2
2024
Statut:
aheadofprint
Résumé
Electron spin resonance (ESR) is used to measure oxygen partial pressure (pO We introduce a new scanner, tailored for subcutaneous measurements up to 2 mm beneath the skin's surface. This scanner captures pulsed ESR signals from embedded approximate 1-mm oxygen-sensing solid paramagnetic implant, OxyChip. The scanner features a static magnetic field source, producing a uniform region outside its surface, and a compact microwave resonator, for exciting and receiving ESR signals. ESR readings derived from an OxyChip, positioned approximately 1.5 mm from the scanner's surface, embedded in ATE phantom, exhibited a linear relation of 1/T The compact ESR scanner can report pO
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Subventions
Organisme : NIH HHS
ID : R01 EB004031
Pays : United States
Informations de copyright
© 2024 The Authors. Magnetic Resonance in Medicine published by Wiley Periodicals LLC on behalf of International Society for Magnetic Resonance in Medicine.
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