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  4. Diffusion Tensor Echo Planar Imaging Using Surface Coil Transceiver with a Semiadiabatic RF Pulse Sequence at 14.1T
 
research article

Diffusion Tensor Echo Planar Imaging Using Surface Coil Transceiver with a Semiadiabatic RF Pulse Sequence at 14.1T

van de Looij, Yohan  
•
Kunz, Nicolas  
•
Hueppi, Petra
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2011
Magnetic Resonance in Medicine

Diffusion magnetic resonance studies of the brain are typically performed using volume coils. Although in human brain this leads to a near optimal filling factor, studies of rodent brain must contend with the fact that only a fraction of the head volume can be ascribed to the brain. The use of surface coil as transceiver increases Signal-to-Noise Ratio (SNR), reduces radiofrequency power requirements and opens the possibility of parallel transmit schemes, likely to allow efficient acquisition schemes, of critical importance for reducing the long scan times implicated in diffusion tensor imaging. This study demonstrates the implementation of a semiadiabatic echo planar imaging sequence (echo time = 40 ms, four interleaves) at 14.1T using a quadrature surface coil as transceiver. It resulted in artifact free images with excellent SNR throughout the brain. Diffusion tensor derived parameters obtained within the rat brain were in excellent agreement with reported values. Magn Reson Med 65:732-737, 2011. (C) 2010 Wiley-Liss, Inc.

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Type
research article
DOI
10.1002/mrm.22656
Web of Science ID

WOS:000287929800015

Author(s)
van de Looij, Yohan  
Kunz, Nicolas  
Hueppi, Petra
Gruetter, Rolf  
Sizonenko, Stephane
Date Issued

2011

Publisher

Wiley-Blackwell

Published in
Magnetic Resonance in Medicine
Volume

65

Start page

732

End page

737

Subjects

diffusion tensor imaging

•

ultra-high magnetic field

•

adiabatic radiofrequency pulse

•

rat brain

•

surface coil

•

Rat-Brain

•

In-Vivo

•

Mri

•

Stroke

•

Glioma

•

Cortex

•

Time

•

CIBM-AIT

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
CIBM  
LIFMET  
Available on Infoscience
December 16, 2011
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/74386
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