Observation of significant signal voids in images of large biological samples at 11.1 T
Barbara L. Beck
The McKnight Brain Institute, University of Florida, Gainesville, Florida
Search for more papers by this authorKelly Jenkins
The McKnight Brain Institute, University of Florida, Gainesville, Florida
Search for more papers by this authorKyle Padgett
Department of Nuclear and Radiological Sciences, University of Florida, Gainesville, Florida
Search for more papers by this authorJeffrey Fitzsimmons
The McKnight Brain Institute, University of Florida, Gainesville, Florida
Department of Neuroscience, University of Florida, Gainesville, Florida
Search for more papers by this authorCorresponding Author
S.J. Blackband
The McKnight Brain Institute, University of Florida, Gainesville, Florida
Department of Radiology, University of Florida, Gainesville, Florida
The Center for Structural Biology, University of Florida, Gainesville, Florida
The National High Magnetic Field Laboratory, Tallahassee, Florida
Department of Neuroscience, University of Florida, Gainesville, FL 32610===Search for more papers by this authorBarbara L. Beck
The McKnight Brain Institute, University of Florida, Gainesville, Florida
Search for more papers by this authorKelly Jenkins
The McKnight Brain Institute, University of Florida, Gainesville, Florida
Search for more papers by this authorKyle Padgett
Department of Nuclear and Radiological Sciences, University of Florida, Gainesville, Florida
Search for more papers by this authorJeffrey Fitzsimmons
The McKnight Brain Institute, University of Florida, Gainesville, Florida
Department of Neuroscience, University of Florida, Gainesville, Florida
Search for more papers by this authorCorresponding Author
S.J. Blackband
The McKnight Brain Institute, University of Florida, Gainesville, Florida
Department of Radiology, University of Florida, Gainesville, Florida
The Center for Structural Biology, University of Florida, Gainesville, Florida
The National High Magnetic Field Laboratory, Tallahassee, Florida
Department of Neuroscience, University of Florida, Gainesville, FL 32610===Search for more papers by this authorAbstract
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. Magn Reson Med 51:1103–1107, 2004. © 2004 Wiley-Liss, Inc.
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