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Image contrast between tissue types can be generated based on their T1/T2 ratio using spin-lock MRI techniques. An interesting application of such a concept would be to generate contrast in tissue with tissue relaxation times modified using exogenous contrast agents. An amplitude-modulated adiabatic waveform has been shown in the past to perform spin-lock MRI. However, implementation of this waveform...
The purpose of this study was to show the T 1ρ dispersion profile in various rat tissues (liver, brain, spleen, kidney, heart and skeletal muscle) at low (0.1 T) B 0 field at very low locking field B 1 , starting from 10 μT. The T 1ρ dispersion profile showed a quite similar pattern in all tissues. The highest R 1ρ relaxation rates were seen in the liver and...
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