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Fast Spin-echo for Multiple Mouse Magnetic Resonance Phenotyping by Brian J. Nieman; Nicholas A. Bock; Johnathan Bishop; John G. Sled; X. Josette Chen; R. Mark Henkelman is a Medicine article available to read on EtoBox.

What is Fast Spin-echo for Multiple Mouse Magnetic Resonance Phenotyping about?

## Abstract High‐resolution magnetic resonance imaging is emerging as a powerful tool for phenotyping mice in biologic studies of genetic expression, development, and disease progression. In several applications, notably random mutagenesis trials, large cohorts of mice must be examined for abnormalities that may occur in any part of the body. In the aim of establishing a protocol for imaging multiple mice simultaneously in a standardized high‐throughput fashion, this study investigates variations of a three‐dimensional fast spin‐echo sequence that implements driven equilibrium, modified refocusing, and partial excitation pulses. Sequence variations are compared by simulated and experimental measurements in phantoms and mice. Results indicate that when using a short repetition time (TR ≤ __T__~1~) a sequence employing a partial excitation tip angle provides both improved signal and good __T__~2~ contrast compared with standard fast spin‐echo imaging. This sequence is used to simultaneously acquire four live mouse head images at 100 μm isotropic resolution with a scan time under 3 h at 7 T. Magn Reson Med, 2005. © 2005 Wiley‐Liss, Inc.

Who reads Fast Spin-echo for Multiple Mouse Magnetic Resonance Phenotyping?

Author

Brian J. Nieman; Nicholas A. Bock; Johnathan Bishop; John G. Sled; X. Josette Chen; R. Mark Henkelman

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0740-3194)

Published

2005

Language

EN

Field

Medicine (Health Sciences)