Observation of significant signal voids in images of large biological samples at 11.1 T

Barbara L. Beck; Kelly Jenkins; Jim Caserta; Kyle Padgett; Jeffrey Fitzsimmons; S. J. Blackband

doi:10.1002/mrm.20120

Observation of significant signal voids in images of large biological samples at 11.1 T

Barbara L. Beck, Kelly Jenkins, Jim Caserta, Kyle Padgett, Jeffrey Fitzsimmons, S. J. Blackband

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

Proton MRI of large biological samples were obtained on an 11.1 T /40 cm instrument. Images were obtained of a fixed human brain and a large piece of fresh beef. The proton MR images demonstrate severe distortions within these conductive samples, indicative of shortened electrical wavelengths and wave behavior within the sample. These observations have significant implications with respect to the continuing evolution of MR to higher magnetic field strengths on large samples, particularly on humans.

Original language	English (US)
Pages (from-to)	1103-1107
Number of pages	5
Journal	Magnetic Resonance in Medicine
Volume	51
Issue number	6
DOIs	https://doi.org/10.1002/mrm.20120
State	Published - Jun 2004
Externally published	Yes

Keywords

Excised brain
High magnetic fields
Image artifacts

ASJC Scopus subject areas

Radiology Nuclear Medicine and imaging
Radiological and Ultrasound Technology

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abstract = "Proton MRI of large biological samples were obtained on an 11.1 T /40 cm instrument. Images were obtained of a fixed human brain and a large piece of fresh beef. The proton MR images demonstrate severe distortions within these conductive samples, indicative of shortened electrical wavelengths and wave behavior within the sample. These observations have significant implications with respect to the continuing evolution of MR to higher magnetic field strengths on large samples, particularly on humans.",

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AU - Beck, Barbara L.

AU - Jenkins, Kelly

AU - Caserta, Jim

AU - Padgett, Kyle

AU - Fitzsimmons, Jeffrey

AU - Blackband, S. J.

PY - 2004/6

Y1 - 2004/6

N2 - Proton MRI of large biological samples were obtained on an 11.1 T /40 cm instrument. Images were obtained of a fixed human brain and a large piece of fresh beef. The proton MR images demonstrate severe distortions within these conductive samples, indicative of shortened electrical wavelengths and wave behavior within the sample. These observations have significant implications with respect to the continuing evolution of MR to higher magnetic field strengths on large samples, particularly on humans.

AB - Proton MRI of large biological samples were obtained on an 11.1 T /40 cm instrument. Images were obtained of a fixed human brain and a large piece of fresh beef. The proton MR images demonstrate severe distortions within these conductive samples, indicative of shortened electrical wavelengths and wave behavior within the sample. These observations have significant implications with respect to the continuing evolution of MR to higher magnetic field strengths on large samples, particularly on humans.

KW - Excised brain

KW - High magnetic fields

KW - Image artifacts

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Observation of significant signal voids in images of large biological samples at 11.1 T

Abstract

Keywords

ASJC Scopus subject areas

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