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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-6172

De Zanche, N; Chhina, N; Teh, K; Randell, C; Pruessmann, K P; Wild, J M (2008). Asymmetric quadrature split birdcage coil for hyperpolarized 3He lung MRI at 1.5T. Magnetic Resonance in Medicine, 60(2):431-438.

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An asymmetric quadrature birdcage body coil for hyperpolarized (HP) (3)He lung imaging at 1.5T is presented. The coil is designed to rest on top of the patient support and be used as a temporary insert in a clinical system. A two-part construction facilitates patient access and the asymmetric design makes maximal use of available bore space to ensure comfort. Highly homogeneous, circularly polarized RF magnetic fields are produced at 48.5 MHz using a conformal mapping method for the geometrical design, combined with an algebraic method to calculate the individual capacitance values on the birdcage coil's ladder network. Efficiency and isolation from the system's proton body coil are ensured by an integrated RF screen. The design methodology is readily applicable to other field strengths or nuclei. Improvements over existing (3)He coils were found in terms of sensitivity and transmit field homogeneity, an important feature in HP MRI.


18 citations in Web of Science®
21 citations in Scopus®
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1 download since deposited on 03 Dec 2008
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Institute of Biomedical Engineering
Dewey Decimal Classification:170 Ethics
610 Medicine & health
Deposited On:03 Dec 2008 16:35
Last Modified:05 Apr 2016 12:36
Publisher DOI:10.1002/mrm.21664
PubMed ID:18666111

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