NDLI: A new dedicated double-tuned (100 MHz-27 MHz) volume RF coil actively-decoupled form a receive-only simple-tuned (27 MHz) coil: application to the MRI experiments of hyperpolarized $^{129}Xe$ in the rat brain

Content Provider	IEEE Xplore Digital Library
Author	Asfour, A. Auboiroux, V.
Copyright Year	2008
Description	Author affiliation: INSERM, Grenoble (Asfour, A.; Auboiroux, V.)
Abstract	This paper describes the design and development of a new specific RF probe dedicated for the MRI of both proton ( H) and hyperpolarized Xenon-129 (HP $^{129}$ Xe) in the rat brain. This probe consists of a double-tuned (100 MHz-27 MHz) volume coil, that could be used for both transmitting and receiving, and of a receive-only simple-tuned (27 MHz). The receive-only coil is a surface coil which is decoupled form the volume coil by an active decoupling circuitry based on the use of PIN diodes. The double-tuned volume coil consists of two concentric birdcage resonators. The inner one is of type low-pass and tuned to 27 MHz, while the outer one, tuned to 100 MHz, is of type high-pass. A transmit/Receive (T/R) driver was realized to bias the PIN diodes in both volume and surface coils. The developed prototype was validated at 100 MHz and at 26.4 MHz. First obtained MRI images show the feasibility of our approach.
Starting Page	945
Ending Page	950
File Size	4527802
Page Count	6
File Format	PDF
ISBN	9781424415403
ISSN	10915281
DOI	10.1109/IMTC.2008.4547172
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-12
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Coils Radio frequency Magnetic resonance imaging Nuclear magnetic resonance Magnetization Magnetic fields Polarization Probes Protons Instruments active decoupling Hyperpolarized xenon-129 MRI RF double-tuned coils
Content Type	Text
Resource Type	Article
Subject	Instrumentation Electrical and Electronic Engineering

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